Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

341 files changed, 18129 insertions, 8773 deletions

diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 9691dd0966d7..d8af325a6bda 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -720,13 +720,13 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
 
 		/* FIXME: use a bounce buffer */
 		local_irq_save(flags);
-		buf = kmap_atomic(page, KM_IRQ0);
+		buf = kmap_atomic(page);
 
 		/* do the actual data transfer */
 		ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size,
 				       do_write);
 
-		kunmap_atomic(buf, KM_IRQ0);
+		kunmap_atomic(buf);
 		local_irq_restore(flags);
 	} else {
 		buf = page_address(page);
@@ -865,13 +865,13 @@ next_sg:
 
 		/* FIXME: use bounce buffer */
 		local_irq_save(flags);
-		buf = kmap_atomic(page, KM_IRQ0);
+		buf = kmap_atomic(page);
 
 		/* do the actual data transfer */
 		consumed = ap->ops->sff_data_xfer(dev,  buf + offset,
 								count, rw);
 
-		kunmap_atomic(buf, KM_IRQ0);
+		kunmap_atomic(buf);
 		local_irq_restore(flags);
 	} else {
 		buf = page_address(page);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 7050a75dde38..e28ce9898af4 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -18,6 +18,8 @@
 #include <linux/string.h>
 #include <linux/kdev_t.h>
 #include <linux/notifier.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/genhd.h>
 #include <linux/kallsyms.h>
 #include <linux/mutex.h>
@@ -267,6 +269,9 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj,
 	if (dev->driver)
 		add_uevent_var(env, "DRIVER=%s", dev->driver->name);
 
+	/* Add common DT information about the device */
+	of_device_uevent(dev, env);
+
 	/* have the bus specific function add its stuff */
 	if (dev->bus && dev->bus->uevent) {
 		retval = dev->bus->uevent(dev, env);
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index f0c605e99ade..a1a722502587 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -621,7 +621,7 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
 	int rc;
 
 	/* Some devices have extra OF data and an OF-style MODALIAS */
-	rc = of_device_uevent(dev,env);
+	rc = of_device_uevent_modalias(dev,env);
 	if (rc != -ENODEV)
 		return rc;
 
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 978bbf7ac6af..73ce9fbe9839 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -366,7 +366,7 @@ static int pm_genpd_poweroff(struct generic_pm_domain *genpd)
 	not_suspended = 0;
 	list_for_each_entry(pdd, &genpd->dev_list, list_node)
 		if (pdd->dev->driver && (!pm_runtime_suspended(pdd->dev)
-		    || pdd->dev->power.irq_safe))
+		    || pdd->dev->power.irq_safe || to_gpd_data(pdd)->always_on))
 			not_suspended++;
 
 	if (not_suspended > genpd->in_progress)
@@ -503,6 +503,9 @@ static int pm_genpd_runtime_suspend(struct device *dev)
 
 	might_sleep_if(!genpd->dev_irq_safe);
 
+	if (dev_gpd_data(dev)->always_on)
+		return -EBUSY;
+
 	stop_ok = genpd->gov ? genpd->gov->stop_ok : NULL;
 	if (stop_ok && !stop_ok(dev))
 		return -EBUSY;
@@ -764,8 +767,10 @@ static int pm_genpd_prepare(struct device *dev)
 
 	genpd_acquire_lock(genpd);
 
-	if (genpd->prepared_count++ == 0)
+	if (genpd->prepared_count++ == 0) {
+		genpd->suspended_count = 0;
 		genpd->suspend_power_off = genpd->status == GPD_STATE_POWER_OFF;
+	}
 
 	genpd_release_lock(genpd);
 
@@ -820,17 +825,16 @@ static int pm_genpd_suspend(struct device *dev)
 }
 
 /**
- * pm_genpd_suspend_noirq - Late suspend of a device from an I/O PM domain.
+ * pm_genpd_suspend_late - Late suspend of a device from an I/O PM domain.
  * @dev: Device to suspend.
  *
  * Carry out a late suspend of a device under the assumption that its
  * pm_domain field points to the domain member of an object of type
  * struct generic_pm_domain representing a PM domain consisting of I/O devices.
  */
-static int pm_genpd_suspend_noirq(struct device *dev)
+static int pm_genpd_suspend_late(struct device *dev)
 {
 	struct generic_pm_domain *genpd;
-	int ret;
 
 	dev_dbg(dev, "%s()\n", __func__);
 
@@ -838,14 +842,28 @@ static int pm_genpd_suspend_noirq(struct device *dev)
 	if (IS_ERR(genpd))
 		return -EINVAL;
 
-	if (genpd->suspend_power_off)
-		return 0;
+	return genpd->suspend_power_off ? 0 : genpd_suspend_late(genpd, dev);
+}
 
-	ret = genpd_suspend_late(genpd, dev);
-	if (ret)
-		return ret;
+/**
+ * pm_genpd_suspend_noirq - Completion of suspend of device in an I/O PM domain.
+ * @dev: Device to suspend.
+ *
+ * Stop the device and remove power from the domain if all devices in it have
+ * been stopped.
+ */
+static int pm_genpd_suspend_noirq(struct device *dev)
+{
+	struct generic_pm_domain *genpd;
 
-	if (dev->power.wakeup_path && genpd_dev_active_wakeup(genpd, dev))
+	dev_dbg(dev, "%s()\n", __func__);
+
+	genpd = dev_to_genpd(dev);
+	if (IS_ERR(genpd))
+		return -EINVAL;
+
+	if (genpd->suspend_power_off || dev_gpd_data(dev)->always_on
+	    || (dev->power.wakeup_path && genpd_dev_active_wakeup(genpd, dev)))
 		return 0;
 
 	genpd_stop_dev(genpd, dev);
@@ -862,13 +880,10 @@ static int pm_genpd_suspend_noirq(struct device *dev)
 }
 
 /**
- * pm_genpd_resume_noirq - Early resume of a device from an I/O power domain.
+ * pm_genpd_resume_noirq - Start of resume of device in an I/O PM domain.
  * @dev: Device to resume.
  *
- * Carry out an early resume of a device under the assumption that its
- * pm_domain field points to the domain member of an object of type
- * struct generic_pm_domain representing a power domain consisting of I/O
- * devices.
+ * Restore power to the device's PM domain, if necessary, and start the device.
  */
 static int pm_genpd_resume_noirq(struct device *dev)
 {
@@ -880,7 +895,8 @@ static int pm_genpd_resume_noirq(struct device *dev)
 	if (IS_ERR(genpd))
 		return -EINVAL;
 
-	if (genpd->suspend_power_off)
+	if (genpd->suspend_power_off || dev_gpd_data(dev)->always_on
+	    || (dev->power.wakeup_path && genpd_dev_active_wakeup(genpd, dev)))
 		return 0;
 
 	/*
@@ -890,13 +906,34 @@ static int pm_genpd_resume_noirq(struct device *dev)
 	 */
 	pm_genpd_poweron(genpd);
 	genpd->suspended_count--;
-	genpd_start_dev(genpd, dev);
 
-	return genpd_resume_early(genpd, dev);
+	return genpd_start_dev(genpd, dev);
 }
 
 /**
- * pm_genpd_resume - Resume a device belonging to an I/O power domain.
+ * pm_genpd_resume_early - Early resume of a device in an I/O PM domain.
+ * @dev: Device to resume.
+ *
+ * Carry out an early resume of a device under the assumption that its
+ * pm_domain field points to the domain member of an object of type
+ * struct generic_pm_domain representing a power domain consisting of I/O
+ * devices.
+ */
+static int pm_genpd_resume_early(struct device *dev)
+{
+	struct generic_pm_domain *genpd;
+
+	dev_dbg(dev, "%s()\n", __func__);
+
+	genpd = dev_to_genpd(dev);
+	if (IS_ERR(genpd))
+		return -EINVAL;
+
+	return genpd->suspend_power_off ? 0 : genpd_resume_early(genpd, dev);
+}
+
+/**
+ * pm_genpd_resume - Resume of device in an I/O PM domain.
  * @dev: Device to resume.
  *
  * Resume a device under the assumption that its pm_domain field points to the
@@ -917,7 +954,7 @@ static int pm_genpd_resume(struct device *dev)
 }
 
 /**
- * pm_genpd_freeze - Freeze a device belonging to an I/O power domain.
+ * pm_genpd_freeze - Freezing a device in an I/O PM domain.
  * @dev: Device to freeze.
  *
  * Freeze a device under the assumption that its pm_domain field points to the
@@ -938,7 +975,29 @@ static int pm_genpd_freeze(struct device *dev)
 }
 
 /**
- * pm_genpd_freeze_noirq - Late freeze of a device from an I/O power domain.
+ * pm_genpd_freeze_late - Late freeze of a device in an I/O PM domain.
+ * @dev: Device to freeze.
+ *
+ * Carry out a late freeze of a device under the assumption that its
+ * pm_domain field points to the domain member of an object of type
+ * struct generic_pm_domain representing a power domain consisting of I/O
+ * devices.
+ */
+static int pm_genpd_freeze_late(struct device *dev)
+{
+	struct generic_pm_domain *genpd;
+
+	dev_dbg(dev, "%s()\n", __func__);
+
+	genpd = dev_to_genpd(dev);
+	if (IS_ERR(genpd))
+		return -EINVAL;
+
+	return genpd->suspend_power_off ? 0 : genpd_freeze_late(genpd, dev);
+}
+
+/**
+ * pm_genpd_freeze_noirq - Completion of freezing a device in an I/O PM domain.
  * @dev: Device to freeze.
  *
  * Carry out a late freeze of a device under the assumption that its
@@ -949,7 +1008,6 @@ static int pm_genpd_freeze(struct device *dev)
 static int pm_genpd_freeze_noirq(struct device *dev)
 {
 	struct generic_pm_domain *genpd;
-	int ret;
 
 	dev_dbg(dev, "%s()\n", __func__);
 
@@ -957,20 +1015,33 @@ static int pm_genpd_freeze_noirq(struct device *dev)
 	if (IS_ERR(genpd))
 		return -EINVAL;
 
-	if (genpd->suspend_power_off)
-		return 0;
+	return genpd->suspend_power_off || dev_gpd_data(dev)->always_on ?
+		0 : genpd_stop_dev(genpd, dev);
+}
 
-	ret = genpd_freeze_late(genpd, dev);
-	if (ret)
-		return ret;
+/**
+ * pm_genpd_thaw_noirq - Early thaw of device in an I/O PM domain.
+ * @dev: Device to thaw.
+ *
+ * Start the device, unless power has been removed from the domain already
+ * before the system transition.
+ */
+static int pm_genpd_thaw_noirq(struct device *dev)
+{
+	struct generic_pm_domain *genpd;
 
-	genpd_stop_dev(genpd, dev);
+	dev_dbg(dev, "%s()\n", __func__);
 
-	return 0;
+	genpd = dev_to_genpd(dev);
+	if (IS_ERR(genpd))
+		return -EINVAL;
+
+	return genpd->suspend_power_off || dev_gpd_data(dev)->always_on ?
+		0 : genpd_start_dev(genpd, dev);
 }
 
 /**
- * pm_genpd_thaw_noirq - Early thaw of a device from an I/O power domain.
+ * pm_genpd_thaw_early - Early thaw of device in an I/O PM domain.
  * @dev: Device to thaw.
  *
  * Carry out an early thaw of a device under the assumption that its
@@ -978,7 +1049,7 @@ static int pm_genpd_freeze_noirq(struct device *dev)
  * struct generic_pm_domain representing a power domain consisting of I/O
  * devices.
  */
-static int pm_genpd_thaw_noirq(struct device *dev)
+static int pm_genpd_thaw_early(struct device *dev)
 {
 	struct generic_pm_domain *genpd;
 
@@ -988,12 +1059,7 @@ static int pm_genpd_thaw_noirq(struct device *dev)
 	if (IS_ERR(genpd))
 		return -EINVAL;
 
-	if (genpd->suspend_power_off)
-		return 0;
-
-	genpd_start_dev(genpd, dev);
-
-	return genpd_thaw_early(genpd, dev);
+	return genpd->suspend_power_off ? 0 : genpd_thaw_early(genpd, dev);
 }
 
 /**
@@ -1018,13 +1084,11 @@ static int pm_genpd_thaw(struct device *dev)
 }
 
 /**
- * pm_genpd_restore_noirq - Early restore of a device from an I/O power domain.
+ * pm_genpd_restore_noirq - Start of restore of device in an I/O PM domain.
  * @dev: Device to resume.
  *
- * Carry out an early restore of a device under the assumption that its
- * pm_domain field points to the domain member of an object of type
- * struct generic_pm_domain representing a power domain consisting of I/O
- * devices.
+ * Make sure the domain will be in the same power state as before the
+ * hibernation the system is resuming from and start the device if necessary.
  */
 static int pm_genpd_restore_noirq(struct device *dev)
 {
@@ -1040,23 +1104,35 @@ static int pm_genpd_restore_noirq(struct device *dev)
 	 * Since all of the "noirq" callbacks are executed sequentially, it is
 	 * guaranteed that this function will never run twice in parallel for
 	 * the same PM domain, so it is not necessary to use locking here.
+	 *
+	 * At this point suspended_count == 0 means we are being run for the
+	 * first time for the given domain in the present cycle.
 	 */
-	genpd->status = GPD_STATE_POWER_OFF;
-	if (genpd->suspend_power_off) {
+	if (genpd->suspended_count++ == 0) {
 		/*
-		 * The boot kernel might put the domain into the power on state,
-		 * so make sure it really is powered off.
+		 * The boot kernel might put the domain into arbitrary state,
+		 * so make it appear as powered off to pm_genpd_poweron(), so
+		 * that it tries to power it on in case it was really off.
 		 */
-		if (genpd->power_off)
-			genpd->power_off(genpd);
-		return 0;
+		genpd->status = GPD_STATE_POWER_OFF;
+		if (genpd->suspend_power_off) {
+			/*
+			 * If the domain was off before the hibernation, make
+			 * sure it will be off going forward.
+			 */
+			if (genpd->power_off)
+				genpd->power_off(genpd);
+
+			return 0;
+		}
 	}
 
+	if (genpd->suspend_power_off)
+		return 0;
+
 	pm_genpd_poweron(genpd);
-	genpd->suspended_count--;
-	genpd_start_dev(genpd, dev);
 
-	return genpd_resume_early(genpd, dev);
+	return dev_gpd_data(dev)->always_on ? 0 : genpd_start_dev(genpd, dev);
 }
 
 /**
@@ -1099,11 +1175,15 @@ static void pm_genpd_complete(struct device *dev)
 
 #define pm_genpd_prepare		NULL
 #define pm_genpd_suspend		NULL
+#define pm_genpd_suspend_late		NULL
 #define pm_genpd_suspend_noirq		NULL
+#define pm_genpd_resume_early		NULL
 #define pm_genpd_resume_noirq		NULL
 #define pm_genpd_resume			NULL
 #define pm_genpd_freeze			NULL
+#define pm_genpd_freeze_late		NULL
 #define pm_genpd_freeze_noirq		NULL
+#define pm_genpd_thaw_early		NULL
 #define pm_genpd_thaw_noirq		NULL
 #define pm_genpd_thaw			NULL
 #define pm_genpd_restore_noirq		NULL
@@ -1171,6 +1251,38 @@ int __pm_genpd_add_device(struct generic_pm_domain *genpd, struct device *dev,
 }
 
 /**
+ * __pm_genpd_of_add_device - Add a device to an I/O PM domain.
+ * @genpd_node: Device tree node pointer representing a PM domain to which the
+ *   the device is added to.
+ * @dev: Device to be added.
+ * @td: Set of PM QoS timing parameters to attach to the device.
+ */
+int __pm_genpd_of_add_device(struct device_node *genpd_node, struct device *dev,
+			     struct gpd_timing_data *td)
+{
+	struct generic_pm_domain *genpd = NULL, *gpd;
+
+	dev_dbg(dev, "%s()\n", __func__);
+
+	if (IS_ERR_OR_NULL(genpd_node) || IS_ERR_OR_NULL(dev))
+		return -EINVAL;
+
+	mutex_lock(&gpd_list_lock);
+	list_for_each_entry(gpd, &gpd_list, gpd_list_node) {
+		if (gpd->of_node == genpd_node) {
+			genpd = gpd;
+			break;
+		}
+	}
+	mutex_unlock(&gpd_list_lock);
+
+	if (!genpd)
+		return -EINVAL;
+
+	return __pm_genpd_add_device(genpd, dev, td);
+}
+
+/**
  * pm_genpd_remove_device - Remove a device from an I/O PM domain.
  * @genpd: PM domain to remove the device from.
  * @dev: Device to be removed.
@@ -1216,6 +1328,26 @@ int pm_genpd_remove_device(struct generic_pm_domain *genpd,
 }
 
 /**
+ * pm_genpd_dev_always_on - Set/unset the "always on" flag for a given device.
+ * @dev: Device to set/unset the flag for.
+ * @val: The new value of the device's "always on" flag.
+ */
+void pm_genpd_dev_always_on(struct device *dev, bool val)
+{
+	struct pm_subsys_data *psd;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->power.lock, flags);
+
+	psd = dev_to_psd(dev);
+	if (psd && psd->domain_data)
+		to_gpd_data(psd->domain_data)->always_on = val;
+
+	spin_unlock_irqrestore(&dev->power.lock, flags);
+}
+EXPORT_SYMBOL_GPL(pm_genpd_dev_always_on);
+
+/**
  * pm_genpd_add_subdomain - Add a subdomain to an I/O PM domain.
  * @genpd: Master PM domain to add the subdomain to.
  * @subdomain: Subdomain to be added.
@@ -1450,7 +1582,7 @@ static int pm_genpd_default_suspend_late(struct device *dev)
 {
 	int (*cb)(struct device *__dev) = dev_gpd_data(dev)->ops.suspend_late;
 
-	return cb ? cb(dev) : pm_generic_suspend_noirq(dev);
+	return cb ? cb(dev) : pm_generic_suspend_late(dev);
 }
 
 /**
@@ -1461,7 +1593,7 @@ static int pm_genpd_default_resume_early(struct device *dev)
 {
 	int (*cb)(struct device *__dev) = dev_gpd_data(dev)->ops.resume_early;
 
-	return cb ? cb(dev) : pm_generic_resume_noirq(dev);
+	return cb ? cb(dev) : pm_generic_resume_early(dev);
 }
 
 /**
@@ -1494,7 +1626,7 @@ static int pm_genpd_default_freeze_late(struct device *dev)
 {
 	int (*cb)(struct device *__dev) = dev_gpd_data(dev)->ops.freeze_late;
 
-	return cb ? cb(dev) : pm_generic_freeze_noirq(dev);
+	return cb ? cb(dev) : pm_generic_freeze_late(dev);
 }
 
 /**
@@ -1505,7 +1637,7 @@ static int pm_genpd_default_thaw_early(struct device *dev)
 {
 	int (*cb)(struct device *__dev) = dev_gpd_data(dev)->ops.thaw_early;
 
-	return cb ? cb(dev) : pm_generic_thaw_noirq(dev);
+	return cb ? cb(dev) : pm_generic_thaw_early(dev);
 }
 
 /**
@@ -1557,23 +1689,28 @@ void pm_genpd_init(struct generic_pm_domain *genpd,
 	genpd->poweroff_task = NULL;
 	genpd->resume_count = 0;
 	genpd->device_count = 0;
-	genpd->suspended_count = 0;
 	genpd->max_off_time_ns = -1;
 	genpd->domain.ops.runtime_suspend = pm_genpd_runtime_suspend;
 	genpd->domain.ops.runtime_resume = pm_genpd_runtime_resume;
 	genpd->domain.ops.runtime_idle = pm_generic_runtime_idle;
 	genpd->domain.ops.prepare = pm_genpd_prepare;
 	genpd->domain.ops.suspend = pm_genpd_suspend;
+	genpd->domain.ops.suspend_late = pm_genpd_suspend_late;
 	genpd->domain.ops.suspend_noirq = pm_genpd_suspend_noirq;
 	genpd->domain.ops.resume_noirq = pm_genpd_resume_noirq;
+	genpd->domain.ops.resume_early = pm_genpd_resume_early;
 	genpd->domain.ops.resume = pm_genpd_resume;
 	genpd->domain.ops.freeze = pm_genpd_freeze;
+	genpd->domain.ops.freeze_late = pm_genpd_freeze_late;
 	genpd->domain.ops.freeze_noirq = pm_genpd_freeze_noirq;
 	genpd->domain.ops.thaw_noirq = pm_genpd_thaw_noirq;
+	genpd->domain.ops.thaw_early = pm_genpd_thaw_early;
 	genpd->domain.ops.thaw = pm_genpd_thaw;
 	genpd->domain.ops.poweroff = pm_genpd_suspend;
+	genpd->domain.ops.poweroff_late = pm_genpd_suspend_late;
 	genpd->domain.ops.poweroff_noirq = pm_genpd_suspend_noirq;
 	genpd->domain.ops.restore_noirq = pm_genpd_restore_noirq;
+	genpd->domain.ops.restore_early = pm_genpd_resume_early;
 	genpd->domain.ops.restore = pm_genpd_resume;
 	genpd->domain.ops.complete = pm_genpd_complete;
 	genpd->dev_ops.save_state = pm_genpd_default_save_state;
diff --git a/drivers/base/power/generic_ops.c b/drivers/base/power/generic_ops.c
index 10bdd793f0bd..d03d290f31c2 100644
--- a/drivers/base/power/generic_ops.c
+++ b/drivers/base/power/generic_ops.c
@@ -92,59 +92,28 @@ int pm_generic_prepare(struct device *dev)
 }
 
 /**
- * __pm_generic_call - Generic suspend/freeze/poweroff/thaw subsystem callback.
- * @dev: Device to handle.
- * @event: PM transition of the system under way.
- * @bool: Whether or not this is the "noirq" stage.
- *
- * Execute the PM callback corresponding to @event provided by the driver of
- * @dev, if defined, and return its error code.    Return 0 if the callback is
- * not present.
+ * pm_generic_suspend_noirq - Generic suspend_noirq callback for subsystems.
+ * @dev: Device to suspend.
  */
-static int __pm_generic_call(struct device *dev, int event, bool noirq)
+int pm_generic_suspend_noirq(struct device *dev)
 {
 	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
-	int (*callback)(struct device *);
-
-	if (!pm)
-		return 0;
-
-	switch (event) {
-	case PM_EVENT_SUSPEND:
-		callback = noirq ? pm->suspend_noirq : pm->suspend;
-		break;
-	case PM_EVENT_FREEZE:
-		callback = noirq ? pm->freeze_noirq : pm->freeze;
-		break;
-	case PM_EVENT_HIBERNATE:
-		callback = noirq ? pm->poweroff_noirq : pm->poweroff;
-		break;
-	case PM_EVENT_RESUME:
-		callback = noirq ? pm->resume_noirq : pm->resume;
-		break;
-	case PM_EVENT_THAW:
-		callback = noirq ? pm->thaw_noirq : pm->thaw;
-		break;
-	case PM_EVENT_RESTORE:
-		callback = noirq ? pm->restore_noirq : pm->restore;
-		break;
-	default:
-		callback = NULL;
-		break;
-	}
 
-	return callback ? callback(dev) : 0;
+	return pm && pm->suspend_noirq ? pm->suspend_noirq(dev) : 0;
 }
+EXPORT_SYMBOL_GPL(pm_generic_suspend_noirq);
 
 /**
- * pm_generic_suspend_noirq - Generic suspend_noirq callback for subsystems.
+ * pm_generic_suspend_late - Generic suspend_late callback for subsystems.
  * @dev: Device to suspend.
  */
-int pm_generic_suspend_noirq(struct device *dev)
+int pm_generic_suspend_late(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_SUSPEND, true);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->suspend_late ? pm->suspend_late(dev) : 0;
 }
-EXPORT_SYMBOL_GPL(pm_generic_suspend_noirq);
+EXPORT_SYMBOL_GPL(pm_generic_suspend_late);
 
 /**
  * pm_generic_suspend - Generic suspend callback for subsystems.
@@ -152,7 +121,9 @@ EXPORT_SYMBOL_GPL(pm_generic_suspend_noirq);
  */
 int pm_generic_suspend(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_SUSPEND, false);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->suspend ? pm->suspend(dev) : 0;
 }
 EXPORT_SYMBOL_GPL(pm_generic_suspend);
 
@@ -162,17 +133,33 @@ EXPORT_SYMBOL_GPL(pm_generic_suspend);
  */
 int pm_generic_freeze_noirq(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_FREEZE, true);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->freeze_noirq ? pm->freeze_noirq(dev) : 0;
 }
 EXPORT_SYMBOL_GPL(pm_generic_freeze_noirq);
 
 /**
+ * pm_generic_freeze_late - Generic freeze_late callback for subsystems.
+ * @dev: Device to freeze.
+ */
+int pm_generic_freeze_late(struct device *dev)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->freeze_late ? pm->freeze_late(dev) : 0;
+}
+EXPORT_SYMBOL_GPL(pm_generic_freeze_late);
+
+/**
  * pm_generic_freeze - Generic freeze callback for subsystems.
  * @dev: Device to freeze.
  */
 int pm_generic_freeze(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_FREEZE, false);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->freeze ? pm->freeze(dev) : 0;
 }
 EXPORT_SYMBOL_GPL(pm_generic_freeze);
 
@@ -182,17 +169,33 @@ EXPORT_SYMBOL_GPL(pm_generic_freeze);
  */
 int pm_generic_poweroff_noirq(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_HIBERNATE, true);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->poweroff_noirq ? pm->poweroff_noirq(dev) : 0;
 }
 EXPORT_SYMBOL_GPL(pm_generic_poweroff_noirq);
 
 /**
+ * pm_generic_poweroff_late - Generic poweroff_late callback for subsystems.
+ * @dev: Device to handle.
+ */
+int pm_generic_poweroff_late(struct device *dev)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->poweroff_late ? pm->poweroff_late(dev) : 0;
+}
+EXPORT_SYMBOL_GPL(pm_generic_poweroff_late);
+
+/**
  * pm_generic_poweroff - Generic poweroff callback for subsystems.
  * @dev: Device to handle.
  */
 int pm_generic_poweroff(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_HIBERNATE, false);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->poweroff ? pm->poweroff(dev) : 0;
 }
 EXPORT_SYMBOL_GPL(pm_generic_poweroff);
 
@@ -202,17 +205,33 @@ EXPORT_SYMBOL_GPL(pm_generic_poweroff);
  */
 int pm_generic_thaw_noirq(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_THAW, true);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->thaw_noirq ? pm->thaw_noirq(dev) : 0;
 }
 EXPORT_SYMBOL_GPL(pm_generic_thaw_noirq);
 
 /**
+ * pm_generic_thaw_early - Generic thaw_early callback for subsystems.
+ * @dev: Device to thaw.
+ */
+int pm_generic_thaw_early(struct device *dev)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->thaw_early ? pm->thaw_early(dev) : 0;
+}
+EXPORT_SYMBOL_GPL(pm_generic_thaw_early);
+
+/**
  * pm_generic_thaw - Generic thaw callback for subsystems.
  * @dev: Device to thaw.
  */
 int pm_generic_thaw(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_THAW, false);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->thaw ? pm->thaw(dev) : 0;
 }
 EXPORT_SYMBOL_GPL(pm_generic_thaw);
 
@@ -222,17 +241,33 @@ EXPORT_SYMBOL_GPL(pm_generic_thaw);
  */
 int pm_generic_resume_noirq(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_RESUME, true);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->resume_noirq ? pm->resume_noirq(dev) : 0;
 }
 EXPORT_SYMBOL_GPL(pm_generic_resume_noirq);
 
 /**
+ * pm_generic_resume_early - Generic resume_early callback for subsystems.
+ * @dev: Device to resume.
+ */
+int pm_generic_resume_early(struct device *dev)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->resume_early ? pm->resume_early(dev) : 0;
+}
+EXPORT_SYMBOL_GPL(pm_generic_resume_early);
+
+/**
  * pm_generic_resume - Generic resume callback for subsystems.
  * @dev: Device to resume.
  */
 int pm_generic_resume(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_RESUME, false);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->resume ? pm->resume(dev) : 0;
 }
 EXPORT_SYMBOL_GPL(pm_generic_resume);
 
@@ -242,17 +277,33 @@ EXPORT_SYMBOL_GPL(pm_generic_resume);
  */
 int pm_generic_restore_noirq(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_RESTORE, true);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->restore_noirq ? pm->restore_noirq(dev) : 0;
 }
 EXPORT_SYMBOL_GPL(pm_generic_restore_noirq);
 
 /**
+ * pm_generic_restore_early - Generic restore_early callback for subsystems.
+ * @dev: Device to resume.
+ */
+int pm_generic_restore_early(struct device *dev)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->restore_early ? pm->restore_early(dev) : 0;
+}
+EXPORT_SYMBOL_GPL(pm_generic_restore_early);
+
+/**
  * pm_generic_restore - Generic restore callback for subsystems.
  * @dev: Device to restore.
  */
 int pm_generic_restore(struct device *dev)
 {
-	return __pm_generic_call(dev, PM_EVENT_RESTORE, false);
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	return pm && pm->restore ? pm->restore(dev) : 0;
 }
 EXPORT_SYMBOL_GPL(pm_generic_restore);
 
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index e2cc3d2e0ecc..b462c0e341cb 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -47,6 +47,7 @@ typedef int (*pm_callback_t)(struct device *);
 LIST_HEAD(dpm_list);
 LIST_HEAD(dpm_prepared_list);
 LIST_HEAD(dpm_suspended_list);
+LIST_HEAD(dpm_late_early_list);
 LIST_HEAD(dpm_noirq_list);
 
 struct suspend_stats suspend_stats;
@@ -246,6 +247,40 @@ static pm_callback_t pm_op(const struct dev_pm_ops *ops, pm_message_t state)
 }
 
 /**
+ * pm_late_early_op - Return the PM operation appropriate for given PM event.
+ * @ops: PM operations to choose from.
+ * @state: PM transition of the system being carried out.
+ *
+ * Runtime PM is disabled for @dev while this function is being executed.
+ */
+static pm_callback_t pm_late_early_op(const struct dev_pm_ops *ops,
+				      pm_message_t state)
+{
+	switch (state.event) {
+#ifdef CONFIG_SUSPEND
+	case PM_EVENT_SUSPEND:
+		return ops->suspend_late;
+	case PM_EVENT_RESUME:
+		return ops->resume_early;
+#endif /* CONFIG_SUSPEND */
+#ifdef CONFIG_HIBERNATE_CALLBACKS
+	case PM_EVENT_FREEZE:
+	case PM_EVENT_QUIESCE:
+		return ops->freeze_late;
+	case PM_EVENT_HIBERNATE:
+		return ops->poweroff_late;
+	case PM_EVENT_THAW:
+	case PM_EVENT_RECOVER:
+		return ops->thaw_early;
+	case PM_EVENT_RESTORE:
+		return ops->restore_early;
+#endif /* CONFIG_HIBERNATE_CALLBACKS */
+	}
+
+	return NULL;
+}
+
+/**
  * pm_noirq_op - Return the PM operation appropriate for given PM event.
  * @ops: PM operations to choose from.
  * @state: PM transition of the system being carried out.
@@ -374,21 +409,21 @@ static int device_resume_noirq(struct device *dev, pm_message_t state)
 	TRACE_RESUME(0);
 
 	if (dev->pm_domain) {
-		info = "EARLY power domain ";
+		info = "noirq power domain ";
 		callback = pm_noirq_op(&dev->pm_domain->ops, state);
 	} else if (dev->type && dev->type->pm) {
-		info = "EARLY type ";
+		info = "noirq type ";
 		callback = pm_noirq_op(dev->type->pm, state);
 	} else if (dev->class && dev->class->pm) {
-		info = "EARLY class ";
+		info = "noirq class ";
 		callback = pm_noirq_op(dev->class->pm, state);
 	} else if (dev->bus && dev->bus->pm) {
-		info = "EARLY bus ";
+		info = "noirq bus ";
 		callback = pm_noirq_op(dev->bus->pm, state);
 	}
 
 	if (!callback && dev->driver && dev->driver->pm) {
-		info = "EARLY driver ";
+		info = "noirq driver ";
 		callback = pm_noirq_op(dev->driver->pm, state);
 	}
 
@@ -399,13 +434,13 @@ static int device_resume_noirq(struct device *dev, pm_message_t state)
 }
 
 /**
- * dpm_resume_noirq - Execute "early resume" callbacks for non-sysdev devices.
+ * dpm_resume_noirq - Execute "noirq resume" callbacks for all devices.
  * @state: PM transition of the system being carried out.
  *
- * Call the "noirq" resume handlers for all devices marked as DPM_OFF_IRQ and
+ * Call the "noirq" resume handlers for all devices in dpm_noirq_list and
  * enable device drivers to receive interrupts.
  */
-void dpm_resume_noirq(pm_message_t state)
+static void dpm_resume_noirq(pm_message_t state)
 {
 	ktime_t starttime = ktime_get();
 
@@ -415,7 +450,7 @@ void dpm_resume_noirq(pm_message_t state)
 		int error;
 
 		get_device(dev);
-		list_move_tail(&dev->power.entry, &dpm_suspended_list);
+		list_move_tail(&dev->power.entry, &dpm_late_early_list);
 		mutex_unlock(&dpm_list_mtx);
 
 		error = device_resume_noirq(dev, state);
@@ -423,6 +458,80 @@ void dpm_resume_noirq(pm_message_t state)
 			suspend_stats.failed_resume_noirq++;
 			dpm_save_failed_step(SUSPEND_RESUME_NOIRQ);
 			dpm_save_failed_dev(dev_name(dev));
+			pm_dev_err(dev, state, " noirq", error);
+		}
+
+		mutex_lock(&dpm_list_mtx);
+		put_device(dev);
+	}
+	mutex_unlock(&dpm_list_mtx);
+	dpm_show_time(starttime, state, "noirq");
+	resume_device_irqs();
+}
+
+/**
+ * device_resume_early - Execute an "early resume" callback for given device.
+ * @dev: Device to handle.
+ * @state: PM transition of the system being carried out.
+ *
+ * Runtime PM is disabled for @dev while this function is being executed.
+ */
+static int device_resume_early(struct device *dev, pm_message_t state)
+{
+	pm_callback_t callback = NULL;
+	char *info = NULL;
+	int error = 0;
+
+	TRACE_DEVICE(dev);
+	TRACE_RESUME(0);
+
+	if (dev->pm_domain) {
+		info = "early power domain ";
+		callback = pm_late_early_op(&dev->pm_domain->ops, state);
+	} else if (dev->type && dev->type->pm) {
+		info = "early type ";
+		callback = pm_late_early_op(dev->type->pm, state);
+	} else if (dev->class && dev->class->pm) {
+		info = "early class ";
+		callback = pm_late_early_op(dev->class->pm, state);
+	} else if (dev->bus && dev->bus->pm) {
+		info = "early bus ";
+		callback = pm_late_early_op(dev->bus->pm, state);
+	}
+
+	if (!callback && dev->driver && dev->driver->pm) {
+		info = "early driver ";
+		callback = pm_late_early_op(dev->driver->pm, state);
+	}
+
+	error = dpm_run_callback(callback, dev, state, info);
+
+	TRACE_RESUME(error);
+	return error;
+}
+
+/**
+ * dpm_resume_early - Execute "early resume" callbacks for all devices.
+ * @state: PM transition of the system being carried out.
+ */
+static void dpm_resume_early(pm_message_t state)
+{
+	ktime_t starttime = ktime_get();
+
+	mutex_lock(&dpm_list_mtx);
+	while (!list_empty(&dpm_late_early_list)) {
+		struct device *dev = to_device(dpm_late_early_list.next);
+		int error;
+
+		get_device(dev);
+		list_move_tail(&dev->power.entry, &dpm_suspended_list);
+		mutex_unlock(&dpm_list_mtx);
+
+		error = device_resume_early(dev, state);
+		if (error) {
+			suspend_stats.failed_resume_early++;
+			dpm_save_failed_step(SUSPEND_RESUME_EARLY);
+			dpm_save_failed_dev(dev_name(dev));
 			pm_dev_err(dev, state, " early", error);
 		}
 
@@ -431,9 +540,18 @@ void dpm_resume_noirq(pm_message_t state)
 	}
 	mutex_unlock(&dpm_list_mtx);
 	dpm_show_time(starttime, state, "early");
-	resume_device_irqs();
 }
-EXPORT_SYMBOL_GPL(dpm_resume_noirq);
+
+/**
+ * dpm_resume_start - Execute "noirq" and "early" device callbacks.
+ * @state: PM transition of the system being carried out.
+ */
+void dpm_resume_start(pm_message_t state)
+{
+	dpm_resume_noirq(state);
+	dpm_resume_early(state);
+}
+EXPORT_SYMBOL_GPL(dpm_resume_start);
 
 /**
  * device_resume - Execute "resume" callbacks for given device.
@@ -716,21 +834,21 @@ static int device_suspend_noirq(struct device *dev, pm_message_t state)
 	char *info = NULL;
 
 	if (dev->pm_domain) {
-		info = "LATE power domain ";
+		info = "noirq power domain ";
 		callback = pm_noirq_op(&dev->pm_domain->ops, state);
 	} else if (dev->type && dev->type->pm) {
-		info = "LATE type ";
+		info = "noirq type ";
 		callback = pm_noirq_op(dev->type->pm, state);
 	} else if (dev->class && dev->class->pm) {
-		info = "LATE class ";
+		info = "noirq class ";
 		callback = pm_noirq_op(dev->class->pm, state);
 	} else if (dev->bus && dev->bus->pm) {
-		info = "LATE bus ";
+		info = "noirq bus ";
 		callback = pm_noirq_op(dev->bus->pm, state);
 	}
 
 	if (!callback && dev->driver && dev->driver->pm) {
-		info = "LATE driver ";
+		info = "noirq driver ";
 		callback = pm_noirq_op(dev->driver->pm, state);
 	}
 
@@ -738,21 +856,21 @@ static int device_suspend_noirq(struct device *dev, pm_message_t state)
 }
 
 /**
- * dpm_suspend_noirq - Execute "late suspend" callbacks for non-sysdev devices.
+ * dpm_suspend_noirq - Execute "noirq suspend" callbacks for all devices.
  * @state: PM transition of the system being carried out.
  *
  * Prevent device drivers from receiving interrupts and call the "noirq" suspend
  * handlers for all non-sysdev devices.
  */
-int dpm_suspend_noirq(pm_message_t state)
+static int dpm_suspend_noirq(pm_message_t state)
 {
 	ktime_t starttime = ktime_get();
 	int error = 0;
 
 	suspend_device_irqs();
 	mutex_lock(&dpm_list_mtx);
-	while (!list_empty(&dpm_suspended_list)) {
-		struct device *dev = to_device(dpm_suspended_list.prev);
+	while (!list_empty(&dpm_late_early_list)) {
+		struct device *dev = to_device(dpm_late_early_list.prev);
 
 		get_device(dev);
 		mutex_unlock(&dpm_list_mtx);
@@ -761,7 +879,7 @@ int dpm_suspend_noirq(pm_message_t state)
 
 		mutex_lock(&dpm_list_mtx);
 		if (error) {
-			pm_dev_err(dev, state, " late", error);
+			pm_dev_err(dev, state, " noirq", error);
 			suspend_stats.failed_suspend_noirq++;
 			dpm_save_failed_step(SUSPEND_SUSPEND_NOIRQ);
 			dpm_save_failed_dev(dev_name(dev));
@@ -776,10 +894,95 @@ int dpm_suspend_noirq(pm_message_t state)
 	if (error)
 		dpm_resume_noirq(resume_event(state));
 	else
+		dpm_show_time(starttime, state, "noirq");
+	return error;
+}
+
+/**
+ * device_suspend_late - Execute a "late suspend" callback for given device.
+ * @dev: Device to handle.
+ * @state: PM transition of the system being carried out.
+ *
+ * Runtime PM is disabled for @dev while this function is being executed.
+ */
+static int device_suspend_late(struct device *dev, pm_message_t state)
+{
+	pm_callback_t callback = NULL;
+	char *info = NULL;
+
+	if (dev->pm_domain) {
+		info = "late power domain ";
+		callback = pm_late_early_op(&dev->pm_domain->ops, state);
+	} else if (dev->type && dev->type->pm) {
+		info = "late type ";
+		callback = pm_late_early_op(dev->type->pm, state);
+	} else if (dev->class && dev->class->pm) {
+		info = "late class ";
+		callback = pm_late_early_op(dev->class->pm, state);
+	} else if (dev->bus && dev->bus->pm) {
+		info = "late bus ";
+		callback = pm_late_early_op(dev->bus->pm, state);
+	}
+
+	if (!callback && dev->driver && dev->driver->pm) {
+		info = "late driver ";
+		callback = pm_late_early_op(dev->driver->pm, state);
+	}
+
+	return dpm_run_callback(callback, dev, state, info);
+}
+
+/**
+ * dpm_suspend_late - Execute "late suspend" callbacks for all devices.
+ * @state: PM transition of the system being carried out.
+ */
+static int dpm_suspend_late(pm_message_t state)
+{
+	ktime_t starttime = ktime_get();
+	int error = 0;
+
+	mutex_lock(&dpm_list_mtx);
+	while (!list_empty(&dpm_suspended_list)) {
+		struct device *dev = to_device(dpm_suspended_list.prev);
+
+		get_device(dev);
+		mutex_unlock(&dpm_list_mtx);
+
+		error = device_suspend_late(dev, state);
+
+		mutex_lock(&dpm_list_mtx);
+		if (error) {
+			pm_dev_err(dev, state, " late", error);
+			suspend_stats.failed_suspend_late++;
+			dpm_save_failed_step(SUSPEND_SUSPEND_LATE);
+			dpm_save_failed_dev(dev_name(dev));
+			put_device(dev);
+			break;
+		}
+		if (!list_empty(&dev->power.entry))
+			list_move(&dev->power.entry, &dpm_late_early_list);
+		put_device(dev);
+	}
+	mutex_unlock(&dpm_list_mtx);
+	if (error)
+		dpm_resume_early(resume_event(state));
+	else
 		dpm_show_time(starttime, state, "late");
+
 	return error;
 }
-EXPORT_SYMBOL_GPL(dpm_suspend_noirq);
+
+/**
+ * dpm_suspend_end - Execute "late" and "noirq" device suspend callbacks.
+ * @state: PM transition of the system being carried out.
+ */
+int dpm_suspend_end(pm_message_t state)
+{
+	int error = dpm_suspend_late(state);
+
+	return error ? : dpm_suspend_noirq(state);
+}
+EXPORT_SYMBOL_GPL(dpm_suspend_end);
 
 /**
  * legacy_suspend - Execute a legacy (bus or class) suspend callback for device.
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index 9bf62323aaf3..eeb4bff9505c 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -71,6 +71,8 @@ extern void dpm_sysfs_remove(struct device *dev);
 extern void rpm_sysfs_remove(struct device *dev);
 extern int wakeup_sysfs_add(struct device *dev);
 extern void wakeup_sysfs_remove(struct device *dev);
+extern int pm_qos_sysfs_add(struct device *dev);
+extern void pm_qos_sysfs_remove(struct device *dev);
 
 #else /* CONFIG_PM */
 
@@ -79,5 +81,7 @@ static inline void dpm_sysfs_remove(struct device *dev) {}
 static inline void rpm_sysfs_remove(struct device *dev) {}
 static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
 static inline void wakeup_sysfs_remove(struct device *dev) {}
+static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
+static inline void pm_qos_sysfs_remove(struct device *dev) {}
 
 #endif
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index c5d358837461..71855570922d 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -41,6 +41,7 @@
 #include <linux/mutex.h>
 #include <linux/export.h>
 
+#include "power.h"
 
 static DEFINE_MUTEX(dev_pm_qos_mtx);
 
@@ -166,6 +167,12 @@ void dev_pm_qos_constraints_destroy(struct device *dev)
 	struct dev_pm_qos_request *req, *tmp;
 	struct pm_qos_constraints *c;
 
+	/*
+	 * If the device's PM QoS resume latency limit has been exposed to user
+	 * space, it has to be hidden at this point.
+	 */
+	dev_pm_qos_hide_latency_limit(dev);
+
 	mutex_lock(&dev_pm_qos_mtx);
 
 	dev->power.power_state = PMSG_INVALID;
@@ -445,3 +452,57 @@ int dev_pm_qos_add_ancestor_request(struct device *dev,
 	return error;
 }
 EXPORT_SYMBOL_GPL(dev_pm_qos_add_ancestor_request);
+
+#ifdef CONFIG_PM_RUNTIME
+static void __dev_pm_qos_drop_user_request(struct device *dev)
+{
+	dev_pm_qos_remove_request(dev->power.pq_req);
+	dev->power.pq_req = 0;
+}
+
+/**
+ * dev_pm_qos_expose_latency_limit - Expose PM QoS latency limit to user space.
+ * @dev: Device whose PM QoS latency limit is to be exposed to user space.
+ * @value: Initial value of the latency limit.
+ */
+int dev_pm_qos_expose_latency_limit(struct device *dev, s32 value)
+{
+	struct dev_pm_qos_request *req;
+	int ret;
+
+	if (!device_is_registered(dev) || value < 0)
+		return -EINVAL;
+
+	if (dev->power.pq_req)
+		return -EEXIST;
+
+	req = kzalloc(sizeof(*req), GFP_KERNEL);
+	if (!req)
+		return -ENOMEM;
+
+	ret = dev_pm_qos_add_request(dev, req, value);
+	if (ret < 0)
+		return ret;
+
+	dev->power.pq_req = req;
+	ret = pm_qos_sysfs_add(dev);
+	if (ret)
+		__dev_pm_qos_drop_user_request(dev);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(dev_pm_qos_expose_latency_limit);
+
+/**
+ * dev_pm_qos_hide_latency_limit - Hide PM QoS latency limit from user space.
+ * @dev: Device whose PM QoS latency limit is to be hidden from user space.
+ */
+void dev_pm_qos_hide_latency_limit(struct device *dev)
+{
+	if (dev->power.pq_req) {
+		pm_qos_sysfs_remove(dev);
+		__dev_pm_qos_drop_user_request(dev);
+	}
+}
+EXPORT_SYMBOL_GPL(dev_pm_qos_hide_latency_limit);
+#endif /* CONFIG_PM_RUNTIME */
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
index adf41be0ea66..95c12f6cb5b9 100644
--- a/drivers/base/power/sysfs.c
+++ b/drivers/base/power/sysfs.c
@@ -5,6 +5,7 @@
 #include <linux/device.h>
 #include <linux/string.h>
 #include <linux/export.h>
+#include <linux/pm_qos.h>
 #include <linux/pm_runtime.h>
 #include <linux/atomic.h>
 #include <linux/jiffies.h>
@@ -217,6 +218,31 @@ static ssize_t autosuspend_delay_ms_store(struct device *dev,
 static DEVICE_ATTR(autosuspend_delay_ms, 0644, autosuspend_delay_ms_show,
 		autosuspend_delay_ms_store);
 
+static ssize_t pm_qos_latency_show(struct device *dev,
+				   struct device_attribute *attr, char *buf)
+{
+	return sprintf(buf, "%d\n", dev->power.pq_req->node.prio);
+}
+
+static ssize_t pm_qos_latency_store(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t n)
+{
+	s32 value;
+	int ret;
+
+	if (kstrtos32(buf, 0, &value))
+		return -EINVAL;
+
+	if (value < 0)
+		return -EINVAL;
+
+	ret = dev_pm_qos_update_request(dev->power.pq_req, value);
+	return ret < 0 ? ret : n;
+}
+
+static DEVICE_ATTR(pm_qos_resume_latency_us, 0644,
+		   pm_qos_latency_show, pm_qos_latency_store);
 #endif /* CONFIG_PM_RUNTIME */
 
 #ifdef CONFIG_PM_SLEEP
@@ -490,6 +516,17 @@ static struct attribute_group pm_runtime_attr_group = {
 	.attrs	= runtime_attrs,
 };
 
+static struct attribute *pm_qos_attrs[] = {
+#ifdef CONFIG_PM_RUNTIME
+	&dev_attr_pm_qos_resume_latency_us.attr,
+#endif /* CONFIG_PM_RUNTIME */
+	NULL,
+};
+static struct attribute_group pm_qos_attr_group = {
+	.name	= power_group_name,
+	.attrs	= pm_qos_attrs,
+};
+
 int dpm_sysfs_add(struct device *dev)
 {
 	int rc;
@@ -530,6 +567,16 @@ void wakeup_sysfs_remove(struct device *dev)
 	sysfs_unmerge_group(&dev->kobj, &pm_wakeup_attr_group);
 }
 
+int pm_qos_sysfs_add(struct device *dev)
+{
+	return sysfs_merge_group(&dev->kobj, &pm_qos_attr_group);
+}
+
+void pm_qos_sysfs_remove(struct device *dev)
+{
+	sysfs_unmerge_group(&dev->kobj, &pm_qos_attr_group);
+}
+
 void rpm_sysfs_remove(struct device *dev)
 {
 	sysfs_unmerge_group(&dev->kobj, &pm_runtime_attr_group);
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index caf995fb774b..2a3e581b8dcd 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -53,6 +53,23 @@ static void pm_wakeup_timer_fn(unsigned long data);
 static LIST_HEAD(wakeup_sources);
 
 /**
+ * wakeup_source_prepare - Prepare a new wakeup source for initialization.
+ * @ws: Wakeup source to prepare.
+ * @name: Pointer to the name of the new wakeup source.
+ *
+ * Callers must ensure that the @name string won't be freed when @ws is still in
+ * use.
+ */
+void wakeup_source_prepare(struct wakeup_source *ws, const char *name)
+{
+	if (ws) {
+		memset(ws, 0, sizeof(*ws));
+		ws->name = name;
+	}
+}
+EXPORT_SYMBOL_GPL(wakeup_source_prepare);
+
+/**
  * wakeup_source_create - Create a struct wakeup_source object.
  * @name: Name of the new wakeup source.
  */
@@ -60,37 +77,44 @@ struct wakeup_source *wakeup_source_create(const char *name)
 {
 	struct wakeup_source *ws;
 
-	ws = kzalloc(sizeof(*ws), GFP_KERNEL);
+	ws = kmalloc(sizeof(*ws), GFP_KERNEL);
 	if (!ws)
 		return NULL;
 
-	spin_lock_init(&ws->lock);
-	if (name)
-		ws->name = kstrdup(name, GFP_KERNEL);
-
+	wakeup_source_prepare(ws, name ? kstrdup(name, GFP_KERNEL) : NULL);
 	return ws;
 }
 EXPORT_SYMBOL_GPL(wakeup_source_create);
 
 /**
+ * wakeup_source_drop - Prepare a struct wakeup_source object for destruction.
+ * @ws: Wakeup source to prepare for destruction.
+ *
+ * Callers must ensure that __pm_stay_awake() or __pm_wakeup_event() will never
+ * be run in parallel with this function for the same wakeup source object.
+ */
+void wakeup_source_drop(struct wakeup_source *ws)
+{
+	if (!ws)
+		return;
+
+	del_timer_sync(&ws->timer);
+	__pm_relax(ws);
+}
+EXPORT_SYMBOL_GPL(wakeup_source_drop);
+
+/**
  * wakeup_source_destroy - Destroy a struct wakeup_source object.
  * @ws: Wakeup source to destroy.
+ *
+ * Use only for wakeup source objects created with wakeup_source_create().
  */
 void wakeup_source_destroy(struct wakeup_source *ws)
 {
 	if (!ws)
 		return;
 
-	spin_lock_irq(&ws->lock);
-	while (ws->active) {
-		spin_unlock_irq(&ws->lock);
-
-		schedule_timeout_interruptible(msecs_to_jiffies(TIMEOUT));
-
-		spin_lock_irq(&ws->lock);
-	}
-	spin_unlock_irq(&ws->lock);
-
+	wakeup_source_drop(ws);
 	kfree(ws->name);
 	kfree(ws);
 }
@@ -105,6 +129,7 @@ void wakeup_source_add(struct wakeup_source *ws)
 	if (WARN_ON(!ws))
 		return;
 
+	spin_lock_init(&ws->lock);
 	setup_timer(&ws->timer, pm_wakeup_timer_fn, (unsigned long)ws);
 	ws->active = false;
 
@@ -152,8 +177,10 @@ EXPORT_SYMBOL_GPL(wakeup_source_register);
  */
 void wakeup_source_unregister(struct wakeup_source *ws)
 {
-	wakeup_source_remove(ws);
-	wakeup_source_destroy(ws);
+	if (ws) {
+		wakeup_source_remove(ws);
+		wakeup_source_destroy(ws);
+	}
 }
 EXPORT_SYMBOL_GPL(wakeup_source_unregister);
 
@@ -349,7 +376,6 @@ static void wakeup_source_activate(struct wakeup_source *ws)
 {
 	ws->active = true;
 	ws->active_count++;
-	ws->timer_expires = jiffies;
 	ws->last_time = ktime_get();
 
 	/* Increment the counter of events in progress. */
@@ -370,9 +396,14 @@ void __pm_stay_awake(struct wakeup_source *ws)
 		return;
 
 	spin_lock_irqsave(&ws->lock, flags);
+
 	ws->event_count++;
 	if (!ws->active)
 		wakeup_source_activate(ws);
+
+	del_timer(&ws->timer);
+	ws->timer_expires = 0;
+
 	spin_unlock_irqrestore(&ws->lock, flags);
 }
 EXPORT_SYMBOL_GPL(__pm_stay_awake);
@@ -438,6 +469,7 @@ static void wakeup_source_deactivate(struct wakeup_source *ws)
 		ws->max_time = duration;
 
 	del_timer(&ws->timer);
+	ws->timer_expires = 0;
 
 	/*
 	 * Increment the counter of registered wakeup events and decrement the
@@ -492,11 +524,22 @@ EXPORT_SYMBOL_GPL(pm_relax);
  * pm_wakeup_timer_fn - Delayed finalization of a wakeup event.
  * @data: Address of the wakeup source object associated with the event source.
  *
- * Call __pm_relax() for the wakeup source whose address is stored in @data.
+ * Call wakeup_source_deactivate() for the wakeup source whose address is stored
+ * in @data if it is currently active and its timer has not been canceled and
+ * the expiration time of the timer is not in future.
  */
 static void pm_wakeup_timer_fn(unsigned long data)
 {
-	__pm_relax((struct wakeup_source *)data);
+	struct wakeup_source *ws = (struct wakeup_source *)data;
+	unsigned long flags;
+
+	spin_lock_irqsave(&ws->lock, flags);
+
+	if (ws->active && ws->timer_expires
+	    && time_after_eq(jiffies, ws->timer_expires))
+		wakeup_source_deactivate(ws);
+
+	spin_unlock_irqrestore(&ws->lock, flags);
 }
 
 /**
@@ -534,7 +577,7 @@ void __pm_wakeup_event(struct wakeup_source *ws, unsigned int msec)
 	if (!expires)
 		expires = 1;
 
-	if (time_after(expires, ws->timer_expires)) {
+	if (!ws->timer_expires || time_after(expires, ws->timer_expires)) {
 		mod_timer(&ws->timer, expires);
 		ws->timer_expires = expires;
 	}
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index ec246437f5a4..531ceb31d0ff 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -242,9 +242,9 @@ static void copy_to_brd(struct brd_device *brd, const void *src,
 	page = brd_lookup_page(brd, sector);
 	BUG_ON(!page);
 
-	dst = kmap_atomic(page, KM_USER1);
+	dst = kmap_atomic(page);
 	memcpy(dst + offset, src, copy);
-	kunmap_atomic(dst, KM_USER1);
+	kunmap_atomic(dst);
 
 	if (copy < n) {
 		src += copy;
@@ -253,9 +253,9 @@ static void copy_to_brd(struct brd_device *brd, const void *src,
 		page = brd_lookup_page(brd, sector);
 		BUG_ON(!page);
 
-		dst = kmap_atomic(page, KM_USER1);
+		dst = kmap_atomic(page);
 		memcpy(dst, src, copy);
-		kunmap_atomic(dst, KM_USER1);
+		kunmap_atomic(dst);
 	}
 }
 
@@ -273,9 +273,9 @@ static void copy_from_brd(void *dst, struct brd_device *brd,
 	copy = min_t(size_t, n, PAGE_SIZE - offset);
 	page = brd_lookup_page(brd, sector);
 	if (page) {
-		src = kmap_atomic(page, KM_USER1);
+		src = kmap_atomic(page);
 		memcpy(dst, src + offset, copy);
-		kunmap_atomic(src, KM_USER1);
+		kunmap_atomic(src);
 	} else
 		memset(dst, 0, copy);
 
@@ -285,9 +285,9 @@ static void copy_from_brd(void *dst, struct brd_device *brd,
 		copy = n - copy;
 		page = brd_lookup_page(brd, sector);
 		if (page) {
-			src = kmap_atomic(page, KM_USER1);
+			src = kmap_atomic(page);
 			memcpy(dst, src, copy);
-			kunmap_atomic(src, KM_USER1);
+			kunmap_atomic(src);
 		} else
 			memset(dst, 0, copy);
 	}
@@ -309,7 +309,7 @@ static int brd_do_bvec(struct brd_device *brd, struct page *page,
 			goto out;
 	}
 
-	mem = kmap_atomic(page, KM_USER0);
+	mem = kmap_atomic(page);
 	if (rw == READ) {
 		copy_from_brd(mem + off, brd, sector, len);
 		flush_dcache_page(page);
@@ -317,7 +317,7 @@ static int brd_do_bvec(struct brd_device *brd, struct page *page,
 		flush_dcache_page(page);
 		copy_to_brd(brd, mem + off, sector, len);
 	}
-	kunmap_atomic(mem, KM_USER0);
+	kunmap_atomic(mem);
 
 out:
 	return err;
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 912f585a760f..3030201c69d8 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -289,25 +289,25 @@ static unsigned int bm_bit_to_page_idx(struct drbd_bitmap *b, u64 bitnr)
 	return page_nr;
 }
 
-static unsigned long *__bm_map_pidx(struct drbd_bitmap *b, unsigned int idx, const enum km_type km)
+static unsigned long *__bm_map_pidx(struct drbd_bitmap *b, unsigned int idx)
 {
 	struct page *page = b->bm_pages[idx];
-	return (unsigned long *) kmap_atomic(page, km);
+	return (unsigned long *) kmap_atomic(page);
 }
 
 static unsigned long *bm_map_pidx(struct drbd_bitmap *b, unsigned int idx)
 {
-	return __bm_map_pidx(b, idx, KM_IRQ1);
+	return __bm_map_pidx(b, idx);
 }
 
-static void __bm_unmap(unsigned long *p_addr, const enum km_type km)
+static void __bm_unmap(unsigned long *p_addr)
 {
-	kunmap_atomic(p_addr, km);
+	kunmap_atomic(p_addr);
 };
 
 static void bm_unmap(unsigned long *p_addr)
 {
-	return __bm_unmap(p_addr, KM_IRQ1);
+	return __bm_unmap(p_addr);
 }
 
 /* long word offset of _bitmap_ sector */
@@ -543,15 +543,15 @@ static unsigned long bm_count_bits(struct drbd_bitmap *b)
 
 	/* all but last page */
 	for (idx = 0; idx < b->bm_number_of_pages - 1; idx++) {
-		p_addr = __bm_map_pidx(b, idx, KM_USER0);
+		p_addr = __bm_map_pidx(b, idx);
 		for (i = 0; i < LWPP; i++)
 			bits += hweight_long(p_addr[i]);
-		__bm_unmap(p_addr, KM_USER0);
+		__bm_unmap(p_addr);
 		cond_resched();
 	}
 	/* last (or only) page */
 	last_word = ((b->bm_bits - 1) & BITS_PER_PAGE_MASK) >> LN2_BPL;
-	p_addr = __bm_map_pidx(b, idx, KM_USER0);
+	p_addr = __bm_map_pidx(b, idx);
 	for (i = 0; i < last_word; i++)
 		bits += hweight_long(p_addr[i]);
 	p_addr[last_word] &= cpu_to_lel(mask);
@@ -559,7 +559,7 @@ static unsigned long bm_count_bits(struct drbd_bitmap *b)
 	/* 32bit arch, may have an unused padding long */
 	if (BITS_PER_LONG == 32 && (last_word & 1) == 0)
 		p_addr[last_word+1] = 0;
-	__bm_unmap(p_addr, KM_USER0);
+	__bm_unmap(p_addr);
 	return bits;
 }
 
@@ -970,11 +970,11 @@ static void bm_page_io_async(struct bm_aio_ctx *ctx, int page_nr, int rw) __must
 		 * to use pre-allocated page pool */
 		void *src, *dest;
 		page = alloc_page(__GFP_HIGHMEM|__GFP_WAIT);
-		dest = kmap_atomic(page, KM_USER0);
-		src = kmap_atomic(b->bm_pages[page_nr], KM_USER1);
+		dest = kmap_atomic(page);
+		src = kmap_atomic(b->bm_pages[page_nr]);
 		memcpy(dest, src, PAGE_SIZE);
-		kunmap_atomic(src, KM_USER1);
-		kunmap_atomic(dest, KM_USER0);
+		kunmap_atomic(src);
+		kunmap_atomic(dest);
 		bm_store_page_idx(page, page_nr);
 	} else
 		page = b->bm_pages[page_nr];
@@ -1163,7 +1163,7 @@ int drbd_bm_write_page(struct drbd_conf *mdev, unsigned int idx) __must_hold(loc
  * this returns a bit number, NOT a sector!
  */
 static unsigned long __bm_find_next(struct drbd_conf *mdev, unsigned long bm_fo,
-	const int find_zero_bit, const enum km_type km)
+	const int find_zero_bit)
 {
 	struct drbd_bitmap *b = mdev->bitmap;
 	unsigned long *p_addr;
@@ -1178,7 +1178,7 @@ static unsigned long __bm_find_next(struct drbd_conf *mdev, unsigned long bm_fo,
 		while (bm_fo < b->bm_bits) {
 			/* bit offset of the first bit in the page */
 			bit_offset = bm_fo & ~BITS_PER_PAGE_MASK;
-			p_addr = __bm_map_pidx(b, bm_bit_to_page_idx(b, bm_fo), km);
+			p_addr = __bm_map_pidx(b, bm_bit_to_page_idx(b, bm_fo));
 
 			if (find_zero_bit)
 				i = find_next_zero_bit_le(p_addr,
@@ -1187,7 +1187,7 @@ static unsigned long __bm_find_next(struct drbd_conf *mdev, unsigned long bm_fo,
 				i = find_next_bit_le(p_addr,
 						PAGE_SIZE*8, bm_fo & BITS_PER_PAGE_MASK);
 
-			__bm_unmap(p_addr, km);
+			__bm_unmap(p_addr);
 			if (i < PAGE_SIZE*8) {
 				bm_fo = bit_offset + i;
 				if (bm_fo >= b->bm_bits)
@@ -1215,7 +1215,7 @@ static unsigned long bm_find_next(struct drbd_conf *mdev,
 	if (BM_DONT_TEST & b->bm_flags)
 		bm_print_lock_info(mdev);
 
-	i = __bm_find_next(mdev, bm_fo, find_zero_bit, KM_IRQ1);
+	i = __bm_find_next(mdev, bm_fo, find_zero_bit);
 
 	spin_unlock_irq(&b->bm_lock);
 	return i;
@@ -1239,13 +1239,13 @@ unsigned long drbd_bm_find_next_zero(struct drbd_conf *mdev, unsigned long bm_fo
 unsigned long _drbd_bm_find_next(struct drbd_conf *mdev, unsigned long bm_fo)
 {
 	/* WARN_ON(!(BM_DONT_SET & mdev->b->bm_flags)); */
-	return __bm_find_next(mdev, bm_fo, 0, KM_USER1);
+	return __bm_find_next(mdev, bm_fo, 0);
 }
 
 unsigned long _drbd_bm_find_next_zero(struct drbd_conf *mdev, unsigned long bm_fo)
 {
 	/* WARN_ON(!(BM_DONT_SET & mdev->b->bm_flags)); */
-	return __bm_find_next(mdev, bm_fo, 1, KM_USER1);
+	return __bm_find_next(mdev, bm_fo, 1);
 }
 
 /* returns number of bits actually changed.
@@ -1273,14 +1273,14 @@ static int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
 		unsigned int page_nr = bm_bit_to_page_idx(b, bitnr);
 		if (page_nr != last_page_nr) {
 			if (p_addr)
-				__bm_unmap(p_addr, KM_IRQ1);
+				__bm_unmap(p_addr);
 			if (c < 0)
 				bm_set_page_lazy_writeout(b->bm_pages[last_page_nr]);
 			else if (c > 0)
 				bm_set_page_need_writeout(b->bm_pages[last_page_nr]);
 			changed_total += c;
 			c = 0;
-			p_addr = __bm_map_pidx(b, page_nr, KM_IRQ1);
+			p_addr = __bm_map_pidx(b, page_nr);
 			last_page_nr = page_nr;
 		}
 		if (val)
@@ -1289,7 +1289,7 @@ static int __bm_change_bits_to(struct drbd_conf *mdev, const unsigned long s,
 			c -= (0 != __test_and_clear_bit_le(bitnr & BITS_PER_PAGE_MASK, p_addr));
 	}
 	if (p_addr)
-		__bm_unmap(p_addr, KM_IRQ1);
+		__bm_unmap(p_addr);
 	if (c < 0)
 		bm_set_page_lazy_writeout(b->bm_pages[last_page_nr]);
 	else if (c > 0)
@@ -1342,13 +1342,13 @@ static inline void bm_set_full_words_within_one_page(struct drbd_bitmap *b,
 {
 	int i;
 	int bits;
-	unsigned long *paddr = kmap_atomic(b->bm_pages[page_nr], KM_IRQ1);
+	unsigned long *paddr = kmap_atomic(b->bm_pages[page_nr]);
 	for (i = first_word; i < last_word; i++) {
 		bits = hweight_long(paddr[i]);
 		paddr[i] = ~0UL;
 		b->bm_set += BITS_PER_LONG - bits;
 	}
-	kunmap_atomic(paddr, KM_IRQ1);
+	kunmap_atomic(paddr);
 }
 
 /* Same thing as drbd_bm_set_bits,
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index af2a25049bce..e09f9cebbb20 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -2526,10 +2526,10 @@ void drbd_bcast_ee(struct drbd_conf *mdev,
 
 	page = e->pages;
 	page_chain_for_each(page) {
-		void *d = kmap_atomic(page, KM_USER0);
+		void *d = kmap_atomic(page);
 		unsigned l = min_t(unsigned, len, PAGE_SIZE);
 		memcpy(tl, d, l);
-		kunmap_atomic(d, KM_USER0);
+		kunmap_atomic(d);
 		tl = (unsigned short*)((char*)tl + l);
 		len -= l;
 		if (len == 0)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index cd504353b278..bbca966f8f66 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -93,16 +93,16 @@ static int transfer_none(struct loop_device *lo, int cmd,
 			 struct page *loop_page, unsigned loop_off,
 			 int size, sector_t real_block)
 {
-	char *raw_buf = kmap_atomic(raw_page, KM_USER0) + raw_off;
-	char *loop_buf = kmap_atomic(loop_page, KM_USER1) + loop_off;
+	char *raw_buf = kmap_atomic(raw_page) + raw_off;
+	char *loop_buf = kmap_atomic(loop_page) + loop_off;
 
 	if (cmd == READ)
 		memcpy(loop_buf, raw_buf, size);
 	else
 		memcpy(raw_buf, loop_buf, size);
 
-	kunmap_atomic(loop_buf, KM_USER1);
-	kunmap_atomic(raw_buf, KM_USER0);
+	kunmap_atomic(loop_buf);
+	kunmap_atomic(raw_buf);
 	cond_resched();
 	return 0;
 }
@@ -112,8 +112,8 @@ static int transfer_xor(struct loop_device *lo, int cmd,
 			struct page *loop_page, unsigned loop_off,
 			int size, sector_t real_block)
 {
-	char *raw_buf = kmap_atomic(raw_page, KM_USER0) + raw_off;
-	char *loop_buf = kmap_atomic(loop_page, KM_USER1) + loop_off;
+	char *raw_buf = kmap_atomic(raw_page) + raw_off;
+	char *loop_buf = kmap_atomic(loop_page) + loop_off;
 	char *in, *out, *key;
 	int i, keysize;
 
@@ -130,8 +130,8 @@ static int transfer_xor(struct loop_device *lo, int cmd,
 	for (i = 0; i < size; i++)
 		*out++ = *in++ ^ key[(i & 511) % keysize];
 
-	kunmap_atomic(loop_buf, KM_USER1);
-	kunmap_atomic(raw_buf, KM_USER0);
+	kunmap_atomic(loop_buf);
+	kunmap_atomic(raw_buf);
 	cond_resched();
 	return 0;
 }
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index d59edeabd93f..ba66e4445f41 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -987,14 +987,14 @@ static void pkt_copy_bio_data(struct bio *src_bio, int seg, int offs, struct pag
 
 	while (copy_size > 0) {
 		struct bio_vec *src_bvl = bio_iovec_idx(src_bio, seg);
-		void *vfrom = kmap_atomic(src_bvl->bv_page, KM_USER0) +
+		void *vfrom = kmap_atomic(src_bvl->bv_page) +
 			src_bvl->bv_offset + offs;
 		void *vto = page_address(dst_page) + dst_offs;
 		int len = min_t(int, copy_size, src_bvl->bv_len - offs);
 
 		BUG_ON(len < 0);
 		memcpy(vto, vfrom, len);
-		kunmap_atomic(vfrom, KM_USER0);
+		kunmap_atomic(vfrom);
 
 		seg++;
 		offs = 0;
@@ -1019,10 +1019,10 @@ static void pkt_make_local_copy(struct packet_data *pkt, struct bio_vec *bvec)
 	offs = 0;
 	for (f = 0; f < pkt->frames; f++) {
 		if (bvec[f].bv_page != pkt->pages[p]) {
-			void *vfrom = kmap_atomic(bvec[f].bv_page, KM_USER0) + bvec[f].bv_offset;
+			void *vfrom = kmap_atomic(bvec[f].bv_page) + bvec[f].bv_offset;
 			void *vto = page_address(pkt->pages[p]) + offs;
 			memcpy(vto, vfrom, CD_FRAMESIZE);
-			kunmap_atomic(vfrom, KM_USER0);
+			kunmap_atomic(vfrom);
 			bvec[f].bv_page = pkt->pages[p];
 			bvec[f].bv_offset = offs;
 		} else {
diff --git a/drivers/char/hw_random/tx4939-rng.c b/drivers/char/hw_random/tx4939-rng.c
index 0bc0cb70210b..de473ef3882b 100644
--- a/drivers/char/hw_random/tx4939-rng.c
+++ b/drivers/char/hw_random/tx4939-rng.c
@@ -115,10 +115,7 @@ static int __init tx4939_rng_probe(struct platform_device *dev)
 	rngdev = devm_kzalloc(&dev->dev, sizeof(*rngdev), GFP_KERNEL);
 	if (!rngdev)
 		return -ENOMEM;
-	if (!devm_request_mem_region(&dev->dev, r->start, resource_size(r),
-				     dev_name(&dev->dev)))
-		return -EBUSY;
-	rngdev->base = devm_ioremap(&dev->dev, r->start, resource_size(r));
+	rngdev->base = devm_request_and_ioremap(&dev->dev, r);
 	if (!rngdev->base)
 		return -EBUSY;
 
diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
index 7fc75e47e6d0..a048199ce866 100644
--- a/drivers/char/tpm/Kconfig
+++ b/drivers/char/tpm/Kconfig
@@ -5,7 +5,6 @@
 menuconfig TCG_TPM
 	tristate "TPM Hardware Support"
 	depends on HAS_IOMEM
-	depends on EXPERIMENTAL
 	select SECURITYFS
 	---help---
 	  If you have a TPM security chip in your system, which
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 32362cf35b8d..ad7c7320dd1b 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1221,12 +1221,13 @@ ssize_t tpm_read(struct file *file, char __user *buf,
 	ret_size = atomic_read(&chip->data_pending);
 	atomic_set(&chip->data_pending, 0);
 	if (ret_size > 0) {	/* relay data */
+		ssize_t orig_ret_size = ret_size;
 		if (size < ret_size)
 			ret_size = size;
 
 		mutex_lock(&chip->buffer_mutex);
 		rc = copy_to_user(buf, chip->data_buffer, ret_size);
-		memset(chip->data_buffer, 0, ret_size);
+		memset(chip->data_buffer, 0, orig_ret_size);
 		if (rc)
 			ret_size = -EFAULT;
 
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 010547138281..b1c5280ac159 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -99,6 +99,8 @@ struct tpm_vendor_specific {
 	wait_queue_head_t int_queue;
 };
 
+#define TPM_VID_INTEL    0x8086
+
 struct tpm_chip {
 	struct device *dev;	/* Device stuff */
 
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 70fac9abb0e2..d2a70cae76df 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -367,7 +367,12 @@ static int probe_itpm(struct tpm_chip *chip)
 		0x00, 0x00, 0x00, 0xf1
 	};
 	size_t len = sizeof(cmd_getticks);
-	int rem_itpm = itpm;
+	bool rem_itpm = itpm;
+	u16 vendor = ioread16(chip->vendor.iobase + TPM_DID_VID(0));
+
+	/* probe only iTPMS */
+	if (vendor != TPM_VID_INTEL)
+		return 0;
 
 	itpm = 0;
 
@@ -390,9 +395,6 @@ static int probe_itpm(struct tpm_chip *chip)
 out:
 	itpm = rem_itpm;
 	tpm_tis_ready(chip);
-	/* some TPMs need a break here otherwise they will not work
-	 * correctly on the immediately subsequent command */
-	msleep(chip->vendor.timeout_b);
 	release_locality(chip, chip->vendor.locality, 0);
 
 	return rc;
@@ -508,7 +510,7 @@ static int tpm_tis_init(struct device *dev, resource_size_t start,
 			resource_size_t len, unsigned int irq)
 {
 	u32 vendor, intfcaps, intmask;
-	int rc, i, irq_s, irq_e;
+	int rc, i, irq_s, irq_e, probe;
 	struct tpm_chip *chip;
 
 	if (!(chip = tpm_register_hardware(dev, &tpm_tis)))
@@ -538,11 +540,12 @@ static int tpm_tis_init(struct device *dev, resource_size_t start,
 		 vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0)));
 
 	if (!itpm) {
-		itpm = probe_itpm(chip);
-		if (itpm < 0) {
+		probe = probe_itpm(chip);
+		if (probe < 0) {
 			rc = -ENODEV;
 			goto out_err;
 		}
+		itpm = (probe == 0) ? 0 : 1;
 	}
 
 	if (itpm)
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index ca09bc421ddb..32fe9ef5cc5c 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -32,6 +32,7 @@
 #include <linux/sh_timer.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/pm_domain.h>
 
 struct sh_cmt_priv {
 	void __iomem *mapbase;
@@ -689,6 +690,9 @@ static int __devinit sh_cmt_probe(struct platform_device *pdev)
 	struct sh_cmt_priv *p = platform_get_drvdata(pdev);
 	int ret;
 
+	if (!is_early_platform_device(pdev))
+		pm_genpd_dev_always_on(&pdev->dev, true);
+
 	if (p) {
 		dev_info(&pdev->dev, "kept as earlytimer\n");
 		return 0;
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index db8d5955bad4..a2172f690418 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -31,6 +31,7 @@
 #include <linux/sh_timer.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/pm_domain.h>
 
 struct sh_mtu2_priv {
 	void __iomem *mapbase;
@@ -306,6 +307,9 @@ static int __devinit sh_mtu2_probe(struct platform_device *pdev)
 	struct sh_mtu2_priv *p = platform_get_drvdata(pdev);
 	int ret;
 
+	if (!is_early_platform_device(pdev))
+		pm_genpd_dev_always_on(&pdev->dev, true);
+
 	if (p) {
 		dev_info(&pdev->dev, "kept as earlytimer\n");
 		return 0;
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index 079e96ad44e8..97f54b634be4 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -32,6 +32,7 @@
 #include <linux/sh_timer.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/pm_domain.h>
 
 struct sh_tmu_priv {
 	void __iomem *mapbase;
@@ -410,6 +411,9 @@ static int __devinit sh_tmu_probe(struct platform_device *pdev)
 	struct sh_tmu_priv *p = platform_get_drvdata(pdev);
 	int ret;
 
+	if (!is_early_platform_device(pdev))
+		pm_genpd_dev_always_on(&pdev->dev, true);
+
 	if (p) {
 		dev_info(&pdev->dev, "kept as earlytimer\n");
 		return 0;
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 6d16b4b0d7a0..e707979767fb 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -293,4 +293,15 @@ config CRYPTO_DEV_S5P
 	  Select this to offload Samsung S5PV210 or S5PC110 from AES
 	  algorithms execution.
 
+config CRYPTO_DEV_TEGRA_AES
+	tristate "Support for TEGRA AES hw engine"
+	depends on ARCH_TEGRA
+	select CRYPTO_AES
+	help
+	  TEGRA processors have AES module accelerator. Select this if you
+	  want to use the TEGRA module for AES algorithms.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called tegra-aes.
+
 endif # CRYPTO_HW
diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile
index 53ea50155319..f3e64eadd7af 100644
--- a/drivers/crypto/Makefile
+++ b/drivers/crypto/Makefile
@@ -13,3 +13,4 @@ obj-$(CONFIG_CRYPTO_DEV_OMAP_SHAM) += omap-sham.o
 obj-$(CONFIG_CRYPTO_DEV_OMAP_AES) += omap-aes.o
 obj-$(CONFIG_CRYPTO_DEV_PICOXCELL) += picoxcell_crypto.o
 obj-$(CONFIG_CRYPTO_DEV_S5P) += s5p-sss.o
+obj-$(CONFIG_CRYPTO_DEV_TEGRA_AES) += tegra-aes.o
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index e73cf2e8110a..534a36469d57 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -1844,6 +1844,25 @@ static struct caam_alg_template driver_algs[] = {
 		.alg_op = OP_ALG_ALGSEL_SHA1 | OP_ALG_AAI_HMAC,
 	},
 	{
+		.name = "authenc(hmac(sha224),cbc(aes))",
+		.driver_name = "authenc-hmac-sha224-cbc-aes-caam",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
+			.geniv = "<built-in>",
+			.ivsize = AES_BLOCK_SIZE,
+			.maxauthsize = SHA224_DIGEST_SIZE,
+			},
+		.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
+		.class2_alg_type = OP_ALG_ALGSEL_SHA224 |
+				   OP_ALG_AAI_HMAC_PRECOMP,
+		.alg_op = OP_ALG_ALGSEL_SHA224 | OP_ALG_AAI_HMAC,
+	},
+	{
 		.name = "authenc(hmac(sha256),cbc(aes))",
 		.driver_name = "authenc-hmac-sha256-cbc-aes-caam",
 		.blocksize = AES_BLOCK_SIZE,
@@ -1864,6 +1883,26 @@ static struct caam_alg_template driver_algs[] = {
 		.alg_op = OP_ALG_ALGSEL_SHA256 | OP_ALG_AAI_HMAC,
 	},
 	{
+		.name = "authenc(hmac(sha384),cbc(aes))",
+		.driver_name = "authenc-hmac-sha384-cbc-aes-caam",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
+			.geniv = "<built-in>",
+			.ivsize = AES_BLOCK_SIZE,
+			.maxauthsize = SHA384_DIGEST_SIZE,
+			},
+		.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
+		.class2_alg_type = OP_ALG_ALGSEL_SHA384 |
+				   OP_ALG_AAI_HMAC_PRECOMP,
+		.alg_op = OP_ALG_ALGSEL_SHA384 | OP_ALG_AAI_HMAC,
+	},
+
+	{
 		.name = "authenc(hmac(sha512),cbc(aes))",
 		.driver_name = "authenc-hmac-sha512-cbc-aes-caam",
 		.blocksize = AES_BLOCK_SIZE,
@@ -1922,6 +1961,25 @@ static struct caam_alg_template driver_algs[] = {
 		.alg_op = OP_ALG_ALGSEL_SHA1 | OP_ALG_AAI_HMAC,
 	},
 	{
+		.name = "authenc(hmac(sha224),cbc(des3_ede))",
+		.driver_name = "authenc-hmac-sha224-cbc-des3_ede-caam",
+		.blocksize = DES3_EDE_BLOCK_SIZE,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
+			.geniv = "<built-in>",
+			.ivsize = DES3_EDE_BLOCK_SIZE,
+			.maxauthsize = SHA224_DIGEST_SIZE,
+			},
+		.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
+		.class2_alg_type = OP_ALG_ALGSEL_SHA224 |
+				   OP_ALG_AAI_HMAC_PRECOMP,
+		.alg_op = OP_ALG_ALGSEL_SHA224 | OP_ALG_AAI_HMAC,
+	},
+	{
 		.name = "authenc(hmac(sha256),cbc(des3_ede))",
 		.driver_name = "authenc-hmac-sha256-cbc-des3_ede-caam",
 		.blocksize = DES3_EDE_BLOCK_SIZE,
@@ -1942,6 +2000,25 @@ static struct caam_alg_template driver_algs[] = {
 		.alg_op = OP_ALG_ALGSEL_SHA256 | OP_ALG_AAI_HMAC,
 	},
 	{
+		.name = "authenc(hmac(sha384),cbc(des3_ede))",
+		.driver_name = "authenc-hmac-sha384-cbc-des3_ede-caam",
+		.blocksize = DES3_EDE_BLOCK_SIZE,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
+			.geniv = "<built-in>",
+			.ivsize = DES3_EDE_BLOCK_SIZE,
+			.maxauthsize = SHA384_DIGEST_SIZE,
+			},
+		.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
+		.class2_alg_type = OP_ALG_ALGSEL_SHA384 |
+				   OP_ALG_AAI_HMAC_PRECOMP,
+		.alg_op = OP_ALG_ALGSEL_SHA384 | OP_ALG_AAI_HMAC,
+	},
+	{
 		.name = "authenc(hmac(sha512),cbc(des3_ede))",
 		.driver_name = "authenc-hmac-sha512-cbc-des3_ede-caam",
 		.blocksize = DES3_EDE_BLOCK_SIZE,
@@ -2000,6 +2077,25 @@ static struct caam_alg_template driver_algs[] = {
 		.alg_op = OP_ALG_ALGSEL_SHA1 | OP_ALG_AAI_HMAC,
 	},
 	{
+		.name = "authenc(hmac(sha224),cbc(des))",
+		.driver_name = "authenc-hmac-sha224-cbc-des-caam",
+		.blocksize = DES_BLOCK_SIZE,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
+			.geniv = "<built-in>",
+			.ivsize = DES_BLOCK_SIZE,
+			.maxauthsize = SHA224_DIGEST_SIZE,
+			},
+		.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
+		.class2_alg_type = OP_ALG_ALGSEL_SHA224 |
+				   OP_ALG_AAI_HMAC_PRECOMP,
+		.alg_op = OP_ALG_ALGSEL_SHA224 | OP_ALG_AAI_HMAC,
+	},
+	{
 		.name = "authenc(hmac(sha256),cbc(des))",
 		.driver_name = "authenc-hmac-sha256-cbc-des-caam",
 		.blocksize = DES_BLOCK_SIZE,
@@ -2020,6 +2116,25 @@ static struct caam_alg_template driver_algs[] = {
 		.alg_op = OP_ALG_ALGSEL_SHA256 | OP_ALG_AAI_HMAC,
 	},
 	{
+		.name = "authenc(hmac(sha384),cbc(des))",
+		.driver_name = "authenc-hmac-sha384-cbc-des-caam",
+		.blocksize = DES_BLOCK_SIZE,
+		.template_aead = {
+			.setkey = aead_setkey,
+			.setauthsize = aead_setauthsize,
+			.encrypt = aead_encrypt,
+			.decrypt = aead_decrypt,
+			.givencrypt = aead_givencrypt,
+			.geniv = "<built-in>",
+			.ivsize = DES_BLOCK_SIZE,
+			.maxauthsize = SHA384_DIGEST_SIZE,
+			},
+		.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
+		.class2_alg_type = OP_ALG_ALGSEL_SHA384 |
+				   OP_ALG_AAI_HMAC_PRECOMP,
+		.alg_op = OP_ALG_ALGSEL_SHA384 | OP_ALG_AAI_HMAC,
+	},
+	{
 		.name = "authenc(hmac(sha512),cbc(des))",
 		.driver_name = "authenc-hmac-sha512-cbc-des-caam",
 		.blocksize = DES_BLOCK_SIZE,
@@ -2205,7 +2320,8 @@ static struct caam_crypto_alg *caam_alg_alloc(struct device *ctrldev,
 	alg->cra_blocksize = template->blocksize;
 	alg->cra_alignmask = 0;
 	alg->cra_ctxsize = sizeof(struct caam_ctx);
-	alg->cra_flags = CRYPTO_ALG_ASYNC | template->type;
+	alg->cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY |
+			 template->type;
 	switch (template->type) {
 	case CRYPTO_ALG_TYPE_ABLKCIPHER:
 		alg->cra_type = &crypto_ablkcipher_type;
@@ -2285,12 +2401,12 @@ static int __init caam_algapi_init(void)
 			dev_warn(ctrldev, "%s alg registration failed\n",
 				t_alg->crypto_alg.cra_driver_name);
 			kfree(t_alg);
-		} else {
+		} else
 			list_add_tail(&t_alg->entry, &priv->alg_list);
-			dev_info(ctrldev, "%s\n",
-				 t_alg->crypto_alg.cra_driver_name);
-		}
 	}
+	if (!list_empty(&priv->alg_list))
+		dev_info(ctrldev, "%s algorithms registered in /proc/crypto\n",
+			 (char *)of_get_property(dev_node, "compatible", NULL));
 
 	return err;
 }
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 8ae3ba2a160d..c5f61c55d923 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -46,7 +46,7 @@ static int caam_remove(struct platform_device *pdev)
 /* Probe routine for CAAM top (controller) level */
 static int caam_probe(struct platform_device *pdev)
 {
-	int d, ring, rspec;
+	int ring, rspec;
 	struct device *dev;
 	struct device_node *nprop, *np;
 	struct caam_ctrl __iomem *ctrl;
diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c
index 219d09cbb0d1..f3e36c86b6c3 100644
--- a/drivers/crypto/geode-aes.c
+++ b/drivers/crypto/geode-aes.c
@@ -393,7 +393,8 @@ static struct crypto_alg geode_cbc_alg = {
 	.cra_driver_name	=	"cbc-aes-geode",
 	.cra_priority		=	400,
 	.cra_flags			=	CRYPTO_ALG_TYPE_BLKCIPHER |
-							CRYPTO_ALG_NEED_FALLBACK,
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
+						CRYPTO_ALG_NEED_FALLBACK,
 	.cra_init			=	fallback_init_blk,
 	.cra_exit			=	fallback_exit_blk,
 	.cra_blocksize		=	AES_MIN_BLOCK_SIZE,
@@ -479,7 +480,8 @@ static struct crypto_alg geode_ecb_alg = {
 	.cra_driver_name	=	"ecb-aes-geode",
 	.cra_priority		=	400,
 	.cra_flags			=	CRYPTO_ALG_TYPE_BLKCIPHER |
-							CRYPTO_ALG_NEED_FALLBACK,
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
+						CRYPTO_ALG_NEED_FALLBACK,
 	.cra_init			=	fallback_init_blk,
 	.cra_exit			=	fallback_exit_blk,
 	.cra_blocksize		=	AES_MIN_BLOCK_SIZE,
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index fe765f49de58..c9c4befb5a8d 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -1731,9 +1731,9 @@ static int ablkcipher_get(void *saddr, unsigned int *srestp, unsigned int offset
 	while (size) {
 		copy = min3(srest, dst->length, size);
 
-		daddr = kmap_atomic(sg_page(dst), KM_IRQ0);
+		daddr = kmap_atomic(sg_page(dst));
 		memcpy(daddr + dst->offset + offset, saddr, copy);
-		kunmap_atomic(daddr, KM_IRQ0);
+		kunmap_atomic(daddr);
 
 		nbytes -= copy;
 		size -= copy;
@@ -1793,17 +1793,17 @@ static void hifn_process_ready(struct ablkcipher_request *req, int error)
 				continue;
 			}
 
-			saddr = kmap_atomic(sg_page(t), KM_SOFTIRQ0);
+			saddr = kmap_atomic(sg_page(t));
 
 			err = ablkcipher_get(saddr, &t->length, t->offset,
 					dst, nbytes, &nbytes);
 			if (err < 0) {
-				kunmap_atomic(saddr, KM_SOFTIRQ0);
+				kunmap_atomic(saddr);
 				break;
 			}
 
 			idx += err;
-			kunmap_atomic(saddr, KM_SOFTIRQ0);
+			kunmap_atomic(saddr);
 		}
 
 		hifn_cipher_walk_exit(&rctx->walk);
@@ -2494,7 +2494,8 @@ static int hifn_alg_alloc(struct hifn_device *dev, struct hifn_alg_template *t)
 		 t->drv_name, dev->name);
 
 	alg->alg.cra_priority = 300;
-	alg->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC;
+	alg->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+				CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC;
 	alg->alg.cra_blocksize = t->bsize;
 	alg->alg.cra_ctxsize = sizeof(struct hifn_context);
 	alg->alg.cra_alignmask = 0;
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 4c20c5bf6058..0053d7ebb5ca 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -265,7 +265,7 @@ static int setup_crypt_desc(void)
 	BUILD_BUG_ON(sizeof(struct crypt_ctl) != 64);
 	crypt_virt = dma_alloc_coherent(dev,
 			NPE_QLEN * sizeof(struct crypt_ctl),
-			&crypt_phys, GFP_KERNEL);
+			&crypt_phys, GFP_ATOMIC);
 	if (!crypt_virt)
 		return -ENOMEM;
 	memset(crypt_virt, 0, NPE_QLEN * sizeof(struct crypt_ctl));
@@ -1449,6 +1449,7 @@ static int __init ixp_module_init(void)
 			/* block ciphers */
 			cra->cra_type = &crypto_ablkcipher_type;
 			cra->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+					 CRYPTO_ALG_KERN_DRIVER_ONLY |
 					 CRYPTO_ALG_ASYNC;
 			if (!cra->cra_ablkcipher.setkey)
 				cra->cra_ablkcipher.setkey = ablk_setkey;
@@ -1461,6 +1462,7 @@ static int __init ixp_module_init(void)
 			/* authenc */
 			cra->cra_type = &crypto_aead_type;
 			cra->cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					 CRYPTO_ALG_KERN_DRIVER_ONLY |
 					 CRYPTO_ALG_ASYNC;
 			cra->cra_aead.setkey = aead_setkey;
 			cra->cra_aead.setauthsize = aead_setauthsize;
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 0d40cf66b3cc..e6ecc5f23943 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -899,7 +899,8 @@ struct crypto_alg mv_aes_alg_ecb = {
 	.cra_name		= "ecb(aes)",
 	.cra_driver_name	= "mv-ecb-aes",
 	.cra_priority	= 300,
-	.cra_flags	= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+	.cra_flags	= CRYPTO_ALG_TYPE_ABLKCIPHER |
+			  CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC,
 	.cra_blocksize	= 16,
 	.cra_ctxsize	= sizeof(struct mv_ctx),
 	.cra_alignmask	= 0,
@@ -921,7 +922,8 @@ struct crypto_alg mv_aes_alg_cbc = {
 	.cra_name		= "cbc(aes)",
 	.cra_driver_name	= "mv-cbc-aes",
 	.cra_priority	= 300,
-	.cra_flags	= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+	.cra_flags	= CRYPTO_ALG_TYPE_ABLKCIPHER |
+			  CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC,
 	.cra_blocksize	= AES_BLOCK_SIZE,
 	.cra_ctxsize	= sizeof(struct mv_ctx),
 	.cra_alignmask	= 0,
@@ -953,7 +955,8 @@ struct ahash_alg mv_sha1_alg = {
 			  .cra_driver_name = "mv-sha1",
 			  .cra_priority = 300,
 			  .cra_flags =
-			  CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
+			  CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY |
+			  CRYPTO_ALG_NEED_FALLBACK,
 			  .cra_blocksize = SHA1_BLOCK_SIZE,
 			  .cra_ctxsize = sizeof(struct mv_tfm_hash_ctx),
 			  .cra_init = mv_cra_hash_sha1_init,
@@ -977,7 +980,8 @@ struct ahash_alg mv_hmac_sha1_alg = {
 			  .cra_driver_name = "mv-hmac-sha1",
 			  .cra_priority = 300,
 			  .cra_flags =
-			  CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
+			  CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY |
+			  CRYPTO_ALG_NEED_FALLBACK,
 			  .cra_blocksize = SHA1_BLOCK_SIZE,
 			  .cra_ctxsize = sizeof(struct mv_tfm_hash_ctx),
 			  .cra_init = mv_cra_hash_hmac_sha1_init,
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index 8944dabc0e3c..67b97c5fd859 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -1402,7 +1402,8 @@ static int __devinit __n2_register_one_cipher(const struct n2_cipher_tmpl *tmpl)
 	snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name);
 	snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s-n2", tmpl->drv_name);
 	alg->cra_priority = N2_CRA_PRIORITY;
-	alg->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC;
+	alg->cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+			 CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC;
 	alg->cra_blocksize = tmpl->block_size;
 	p->enc_type = tmpl->enc_type;
 	alg->cra_ctxsize = sizeof(struct n2_cipher_context);
@@ -1493,7 +1494,9 @@ static int __devinit __n2_register_one_ahash(const struct n2_hash_tmpl *tmpl)
 	snprintf(base->cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name);
 	snprintf(base->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s-n2", tmpl->name);
 	base->cra_priority = N2_CRA_PRIORITY;
-	base->cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_NEED_FALLBACK;
+	base->cra_flags = CRYPTO_ALG_TYPE_AHASH |
+			  CRYPTO_ALG_KERN_DRIVER_ONLY |
+			  CRYPTO_ALG_NEED_FALLBACK;
 	base->cra_blocksize = tmpl->block_size;
 	base->cra_ctxsize = sizeof(struct n2_hash_ctx);
 	base->cra_module = THIS_MODULE;
diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index 5b970d9e9956..63e57b57a12c 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -756,7 +756,9 @@ static struct crypto_alg algs[] = {
 	.cra_name		= "ecb(aes)",
 	.cra_driver_name	= "ecb-aes-omap",
 	.cra_priority		= 100,
-	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER |
+				  CRYPTO_ALG_KERN_DRIVER_ONLY |
+				  CRYPTO_ALG_ASYNC,
 	.cra_blocksize		= AES_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct omap_aes_ctx),
 	.cra_alignmask		= 0,
@@ -776,7 +778,9 @@ static struct crypto_alg algs[] = {
 	.cra_name		= "cbc(aes)",
 	.cra_driver_name	= "cbc-aes-omap",
 	.cra_priority		= 100,
-	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+	.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER |
+				  CRYPTO_ALG_KERN_DRIVER_ONLY |
+				  CRYPTO_ALG_ASYNC,
 	.cra_blocksize		= AES_BLOCK_SIZE,
 	.cra_ctxsize		= sizeof(struct omap_aes_ctx),
 	.cra_alignmask		= 0,
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index 6399a8f1938a..a3fd6fc504b1 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -953,6 +953,7 @@ static struct ahash_alg algs[] = {
 		.cra_driver_name	= "omap-sha1",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
 						CRYPTO_ALG_ASYNC |
 						CRYPTO_ALG_NEED_FALLBACK,
 		.cra_blocksize		= SHA1_BLOCK_SIZE,
@@ -975,6 +976,7 @@ static struct ahash_alg algs[] = {
 		.cra_driver_name	= "omap-md5",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
 						CRYPTO_ALG_ASYNC |
 						CRYPTO_ALG_NEED_FALLBACK,
 		.cra_blocksize		= SHA1_BLOCK_SIZE,
@@ -998,6 +1000,7 @@ static struct ahash_alg algs[] = {
 		.cra_driver_name	= "omap-hmac-sha1",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
 						CRYPTO_ALG_ASYNC |
 						CRYPTO_ALG_NEED_FALLBACK,
 		.cra_blocksize		= SHA1_BLOCK_SIZE,
@@ -1022,6 +1025,7 @@ static struct ahash_alg algs[] = {
 		.cra_driver_name	= "omap-hmac-md5",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_AHASH |
+						CRYPTO_ALG_KERN_DRIVER_ONLY |
 						CRYPTO_ALG_ASYNC |
 						CRYPTO_ALG_NEED_FALLBACK,
 		.cra_blocksize		= SHA1_BLOCK_SIZE,
diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c
index 58480d009324..410a03c01ca4 100644
--- a/drivers/crypto/picoxcell_crypto.c
+++ b/drivers/crypto/picoxcell_crypto.c
@@ -1322,6 +1322,7 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_driver_name = "cbc-aes-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
 			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+				     CRYPTO_ALG_KERN_DRIVER_ONLY |
 				     CRYPTO_ALG_ASYNC |
 				     CRYPTO_ALG_NEED_FALLBACK,
 			.cra_blocksize = AES_BLOCK_SIZE,
@@ -1349,6 +1350,7 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_driver_name = "ecb-aes-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
 			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+				CRYPTO_ALG_KERN_DRIVER_ONLY |
 				CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
 			.cra_blocksize = AES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
@@ -1373,7 +1375,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "cbc(des)",
 			.cra_driver_name = "cbc-des-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
 			.cra_type = &crypto_ablkcipher_type,
@@ -1398,7 +1402,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "ecb(des)",
 			.cra_driver_name = "ecb-des-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
 			.cra_type = &crypto_ablkcipher_type,
@@ -1422,7 +1428,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "cbc(des3_ede)",
 			.cra_driver_name = "cbc-des3-ede-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
 			.cra_type = &crypto_ablkcipher_type,
@@ -1447,7 +1455,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "ecb(des3_ede)",
 			.cra_driver_name = "ecb-des3-ede-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
 			.cra_type = &crypto_ablkcipher_type,
@@ -1472,7 +1482,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(sha1),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-sha1-cbc-aes-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = AES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1500,7 +1512,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(sha256),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-sha256-cbc-aes-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = AES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1527,7 +1541,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(md5),cbc(aes))",
 			.cra_driver_name = "authenc-hmac-md5-cbc-aes-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = AES_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1554,7 +1570,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(sha1),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-sha1-cbc-3des-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1582,7 +1600,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(sha256),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-sha256-cbc-3des-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1609,7 +1629,9 @@ static struct spacc_alg ipsec_engine_algs[] = {
 			.cra_name = "authenc(hmac(md5),cbc(des3_ede))",
 			.cra_driver_name = "authenc-hmac-md5-cbc-3des-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_AEAD |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = DES3_EDE_BLOCK_SIZE,
 			.cra_ctxsize = sizeof(struct spacc_aead_ctx),
 			.cra_type = &crypto_aead_type,
@@ -1639,7 +1661,9 @@ static struct spacc_alg l2_engine_algs[] = {
 			.cra_name = "f8(kasumi)",
 			.cra_driver_name = "f8-kasumi-picoxcell",
 			.cra_priority = SPACC_CRYPTO_ALG_PRIORITY,
-			.cra_flags = CRYPTO_ALG_TYPE_GIVCIPHER | CRYPTO_ALG_ASYNC,
+			.cra_flags = CRYPTO_ALG_TYPE_GIVCIPHER |
+					CRYPTO_ALG_ASYNC |
+					CRYPTO_ALG_KERN_DRIVER_ONLY,
 			.cra_blocksize = 8,
 			.cra_ctxsize = sizeof(struct spacc_ablk_ctx),
 			.cra_type = &crypto_ablkcipher_type,
diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index 3376bca200fc..bc986f806086 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -518,7 +518,8 @@ static struct crypto_alg algs[] = {
 		.cra_driver_name	= "ecb-aes-s5p",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER |
-					  CRYPTO_ALG_ASYNC,
+					  CRYPTO_ALG_ASYNC |
+					  CRYPTO_ALG_KERN_DRIVER_ONLY,
 		.cra_blocksize		= AES_BLOCK_SIZE,
 		.cra_ctxsize		= sizeof(struct s5p_aes_ctx),
 		.cra_alignmask		= 0x0f,
@@ -538,7 +539,8 @@ static struct crypto_alg algs[] = {
 		.cra_driver_name	= "cbc-aes-s5p",
 		.cra_priority		= 100,
 		.cra_flags		= CRYPTO_ALG_TYPE_ABLKCIPHER |
-					  CRYPTO_ALG_ASYNC,
+					  CRYPTO_ALG_ASYNC |
+					  CRYPTO_ALG_KERN_DRIVER_ONLY,
 		.cra_blocksize		= AES_BLOCK_SIZE,
 		.cra_ctxsize		= sizeof(struct s5p_aes_ctx),
 		.cra_alignmask		= 0x0f,
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 2d8c78901686..dc641c796526 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -2648,6 +2648,7 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
 	alg->cra_priority = TALITOS_CRA_PRIORITY;
 	alg->cra_alignmask = 0;
 	alg->cra_ctxsize = sizeof(struct talitos_ctx);
+	alg->cra_flags |= CRYPTO_ALG_KERN_DRIVER_ONLY;
 
 	t_alg->dev = dev;
 
diff --git a/drivers/crypto/tegra-aes.c b/drivers/crypto/tegra-aes.c
new file mode 100644
index 000000000000..422a9766c7c9
--- /dev/null
+++ b/drivers/crypto/tegra-aes.c
@@ -0,0 +1,1096 @@
+/*
+ * drivers/crypto/tegra-aes.c
+ *
+ * Driver for NVIDIA Tegra AES hardware engine residing inside the
+ * Bit Stream Engine for Video (BSEV) hardware block.
+ *
+ * The programming sequence for this engine is with the help
+ * of commands which travel via a command queue residing between the
+ * CPU and the BSEV block. The BSEV engine has an internal RAM (VRAM)
+ * where the final input plaintext, keys and the IV have to be copied
+ * before starting the encrypt/decrypt operation.
+ *
+ * Copyright (c) 2010, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/scatterlist.h>
+#include <linux/dma-mapping.h>
+#include <linux/io.h>
+#include <linux/mutex.h>
+#include <linux/interrupt.h>
+#include <linux/completion.h>
+#include <linux/workqueue.h>
+
+#include <mach/clk.h>
+
+#include <crypto/scatterwalk.h>
+#include <crypto/aes.h>
+#include <crypto/internal/rng.h>
+
+#include "tegra-aes.h"
+
+#define FLAGS_MODE_MASK			0x00FF
+#define FLAGS_ENCRYPT			BIT(0)
+#define FLAGS_CBC			BIT(1)
+#define FLAGS_GIV			BIT(2)
+#define FLAGS_RNG			BIT(3)
+#define FLAGS_OFB			BIT(4)
+#define FLAGS_NEW_KEY			BIT(5)
+#define FLAGS_NEW_IV			BIT(6)
+#define FLAGS_INIT			BIT(7)
+#define FLAGS_FAST			BIT(8)
+#define FLAGS_BUSY			9
+
+/*
+ * Defines AES engine Max process bytes size in one go, which takes 1 msec.
+ * AES engine spends about 176 cycles/16-bytes or 11 cycles/byte
+ * The duration CPU can use the BSE to 1 msec, then the number of available
+ * cycles of AVP/BSE is 216K. In this duration, AES can process 216/11 ~= 19KB
+ * Based on this AES_HW_DMA_BUFFER_SIZE_BYTES is configured to 16KB.
+ */
+#define AES_HW_DMA_BUFFER_SIZE_BYTES 0x4000
+
+/*
+ * The key table length is 64 bytes
+ * (This includes first upto 32 bytes key + 16 bytes original initial vector
+ * and 16 bytes updated initial vector)
+ */
+#define AES_HW_KEY_TABLE_LENGTH_BYTES 64
+
+/*
+ * The memory being used is divides as follows:
+ * 1. Key - 32 bytes
+ * 2. Original IV - 16 bytes
+ * 3. Updated IV - 16 bytes
+ * 4. Key schedule - 256 bytes
+ *
+ * 1+2+3 constitute the hw key table.
+ */
+#define AES_HW_IV_SIZE 16
+#define AES_HW_KEYSCHEDULE_LEN 256
+#define AES_IVKEY_SIZE (AES_HW_KEY_TABLE_LENGTH_BYTES + AES_HW_KEYSCHEDULE_LEN)
+
+/* Define commands required for AES operation */
+enum {
+	CMD_BLKSTARTENGINE = 0x0E,
+	CMD_DMASETUP = 0x10,
+	CMD_DMACOMPLETE = 0x11,
+	CMD_SETTABLE = 0x15,
+	CMD_MEMDMAVD = 0x22,
+};
+
+/* Define sub-commands */
+enum {
+	SUBCMD_VRAM_SEL = 0x1,
+	SUBCMD_CRYPTO_TABLE_SEL = 0x3,
+	SUBCMD_KEY_TABLE_SEL = 0x8,
+};
+
+/* memdma_vd command */
+#define MEMDMA_DIR_DTOVRAM		0 /* sdram -> vram */
+#define MEMDMA_DIR_VTODRAM		1 /* vram -> sdram */
+#define MEMDMA_DIR_SHIFT		25
+#define MEMDMA_NUM_WORDS_SHIFT		12
+
+/* command queue bit shifts */
+enum {
+	CMDQ_KEYTABLEADDR_SHIFT = 0,
+	CMDQ_KEYTABLEID_SHIFT = 17,
+	CMDQ_VRAMSEL_SHIFT = 23,
+	CMDQ_TABLESEL_SHIFT = 24,
+	CMDQ_OPCODE_SHIFT = 26,
+};
+
+/*
+ * The secure key slot contains a unique secure key generated
+ * and loaded by the bootloader. This slot is marked as non-accessible
+ * to the kernel.
+ */
+#define SSK_SLOT_NUM		4
+
+#define AES_NR_KEYSLOTS		8
+#define TEGRA_AES_QUEUE_LENGTH	50
+#define DEFAULT_RNG_BLK_SZ	16
+
+/* The command queue depth */
+#define AES_HW_MAX_ICQ_LENGTH	5
+
+struct tegra_aes_slot {
+	struct list_head node;
+	int slot_num;
+};
+
+static struct tegra_aes_slot ssk = {
+	.slot_num = SSK_SLOT_NUM,
+};
+
+struct tegra_aes_reqctx {
+	unsigned long mode;
+};
+
+struct tegra_aes_dev {
+	struct device *dev;
+	void __iomem *io_base;
+	dma_addr_t ivkey_phys_base;
+	void __iomem *ivkey_base;
+	struct clk *aes_clk;
+	struct tegra_aes_ctx *ctx;
+	int irq;
+	unsigned long flags;
+	struct completion op_complete;
+	u32 *buf_in;
+	dma_addr_t dma_buf_in;
+	u32 *buf_out;
+	dma_addr_t dma_buf_out;
+	u8 *iv;
+	u8 dt[DEFAULT_RNG_BLK_SZ];
+	int ivlen;
+	u64 ctr;
+	spinlock_t lock;
+	struct crypto_queue queue;
+	struct tegra_aes_slot *slots;
+	struct ablkcipher_request *req;
+	size_t total;
+	struct scatterlist *in_sg;
+	size_t in_offset;
+	struct scatterlist *out_sg;
+	size_t out_offset;
+};
+
+static struct tegra_aes_dev *aes_dev;
+
+struct tegra_aes_ctx {
+	struct tegra_aes_dev *dd;
+	unsigned long flags;
+	struct tegra_aes_slot *slot;
+	u8 key[AES_MAX_KEY_SIZE];
+	size_t keylen;
+};
+
+static struct tegra_aes_ctx rng_ctx = {
+	.flags = FLAGS_NEW_KEY,
+	.keylen = AES_KEYSIZE_128,
+};
+
+/* keep registered devices data here */
+static struct list_head dev_list;
+static DEFINE_SPINLOCK(list_lock);
+static DEFINE_MUTEX(aes_lock);
+
+static void aes_workqueue_handler(struct work_struct *work);
+static DECLARE_WORK(aes_work, aes_workqueue_handler);
+static struct workqueue_struct *aes_wq;
+
+extern unsigned long long tegra_chip_uid(void);
+
+static inline u32 aes_readl(struct tegra_aes_dev *dd, u32 offset)
+{
+	return readl(dd->io_base + offset);
+}
+
+static inline void aes_writel(struct tegra_aes_dev *dd, u32 val, u32 offset)
+{
+	writel(val, dd->io_base + offset);
+}
+
+static int aes_start_crypt(struct tegra_aes_dev *dd, u32 in_addr, u32 out_addr,
+	int nblocks, int mode, bool upd_iv)
+{
+	u32 cmdq[AES_HW_MAX_ICQ_LENGTH];
+	int i, eng_busy, icq_empty, ret;
+	u32 value;
+
+	/* reset all the interrupt bits */
+	aes_writel(dd, 0xFFFFFFFF, TEGRA_AES_INTR_STATUS);
+
+	/* enable error, dma xfer complete interrupts */
+	aes_writel(dd, 0x33, TEGRA_AES_INT_ENB);
+
+	cmdq[0] = CMD_DMASETUP << CMDQ_OPCODE_SHIFT;
+	cmdq[1] = in_addr;
+	cmdq[2] = CMD_BLKSTARTENGINE << CMDQ_OPCODE_SHIFT | (nblocks-1);
+	cmdq[3] = CMD_DMACOMPLETE << CMDQ_OPCODE_SHIFT;
+
+	value = aes_readl(dd, TEGRA_AES_CMDQUE_CONTROL);
+	/* access SDRAM through AHB */
+	value &= ~TEGRA_AES_CMDQ_CTRL_SRC_STM_SEL_FIELD;
+	value &= ~TEGRA_AES_CMDQ_CTRL_DST_STM_SEL_FIELD;
+	value |= TEGRA_AES_CMDQ_CTRL_SRC_STM_SEL_FIELD |
+		 TEGRA_AES_CMDQ_CTRL_DST_STM_SEL_FIELD |
+		 TEGRA_AES_CMDQ_CTRL_ICMDQEN_FIELD;
+	aes_writel(dd, value, TEGRA_AES_CMDQUE_CONTROL);
+	dev_dbg(dd->dev, "cmd_q_ctrl=0x%x", value);
+
+	value = (0x1 << TEGRA_AES_SECURE_INPUT_ALG_SEL_SHIFT) |
+		((dd->ctx->keylen * 8) <<
+			TEGRA_AES_SECURE_INPUT_KEY_LEN_SHIFT) |
+		((u32)upd_iv << TEGRA_AES_SECURE_IV_SELECT_SHIFT);
+
+	if (mode & FLAGS_CBC) {
+		value |= ((((mode & FLAGS_ENCRYPT) ? 2 : 3)
+				<< TEGRA_AES_SECURE_XOR_POS_SHIFT) |
+			(((mode & FLAGS_ENCRYPT) ? 2 : 3)
+				<< TEGRA_AES_SECURE_VCTRAM_SEL_SHIFT) |
+			((mode & FLAGS_ENCRYPT) ? 1 : 0)
+				<< TEGRA_AES_SECURE_CORE_SEL_SHIFT);
+	} else if (mode & FLAGS_OFB) {
+		value |= ((TEGRA_AES_SECURE_XOR_POS_FIELD) |
+			(2 << TEGRA_AES_SECURE_INPUT_SEL_SHIFT) |
+			(TEGRA_AES_SECURE_CORE_SEL_FIELD));
+	} else if (mode & FLAGS_RNG) {
+		value |= (((mode & FLAGS_ENCRYPT) ? 1 : 0)
+				<< TEGRA_AES_SECURE_CORE_SEL_SHIFT |
+			  TEGRA_AES_SECURE_RNG_ENB_FIELD);
+	} else {
+		value |= (((mode & FLAGS_ENCRYPT) ? 1 : 0)
+				<< TEGRA_AES_SECURE_CORE_SEL_SHIFT);
+	}
+
+	dev_dbg(dd->dev, "secure_in_sel=0x%x", value);
+	aes_writel(dd, value, TEGRA_AES_SECURE_INPUT_SELECT);
+
+	aes_writel(dd, out_addr, TEGRA_AES_SECURE_DEST_ADDR);
+	INIT_COMPLETION(dd->op_complete);
+
+	for (i = 0; i < AES_HW_MAX_ICQ_LENGTH - 1; i++) {
+		do {
+			value = aes_readl(dd, TEGRA_AES_INTR_STATUS);
+			eng_busy = value & TEGRA_AES_ENGINE_BUSY_FIELD;
+			icq_empty = value & TEGRA_AES_ICQ_EMPTY_FIELD;
+		} while (eng_busy & (!icq_empty));
+		aes_writel(dd, cmdq[i], TEGRA_AES_ICMDQUE_WR);
+	}
+
+	ret = wait_for_completion_timeout(&dd->op_complete,
+					  msecs_to_jiffies(150));
+	if (ret == 0) {
+		dev_err(dd->dev, "timed out (0x%x)\n",
+			aes_readl(dd, TEGRA_AES_INTR_STATUS));
+		return -ETIMEDOUT;
+	}
+
+	aes_writel(dd, cmdq[AES_HW_MAX_ICQ_LENGTH - 1], TEGRA_AES_ICMDQUE_WR);
+	return 0;
+}
+
+static void aes_release_key_slot(struct tegra_aes_slot *slot)
+{
+	if (slot->slot_num == SSK_SLOT_NUM)
+		return;
+
+	spin_lock(&list_lock);
+	list_add_tail(&slot->node, &dev_list);
+	slot = NULL;
+	spin_unlock(&list_lock);
+}
+
+static struct tegra_aes_slot *aes_find_key_slot(void)
+{
+	struct tegra_aes_slot *slot = NULL;
+	struct list_head *new_head;
+	int empty;
+
+	spin_lock(&list_lock);
+	empty = list_empty(&dev_list);
+	if (!empty) {
+		slot = list_entry(&dev_list, struct tegra_aes_slot, node);
+		new_head = dev_list.next;
+		list_del(&dev_list);
+		dev_list.next = new_head->next;
+		dev_list.prev = NULL;
+	}
+	spin_unlock(&list_lock);
+
+	return slot;
+}
+
+static int aes_set_key(struct tegra_aes_dev *dd)
+{
+	u32 value, cmdq[2];
+	struct tegra_aes_ctx *ctx = dd->ctx;
+	int eng_busy, icq_empty, dma_busy;
+	bool use_ssk = false;
+
+	/* use ssk? */
+	if (!dd->ctx->slot) {
+		dev_dbg(dd->dev, "using ssk");
+		dd->ctx->slot = &ssk;
+		use_ssk = true;
+	}
+
+	/* enable key schedule generation in hardware */
+	value = aes_readl(dd, TEGRA_AES_SECURE_CONFIG_EXT);
+	value &= ~TEGRA_AES_SECURE_KEY_SCH_DIS_FIELD;
+	aes_writel(dd, value, TEGRA_AES_SECURE_CONFIG_EXT);
+
+	/* select the key slot */
+	value = aes_readl(dd, TEGRA_AES_SECURE_CONFIG);
+	value &= ~TEGRA_AES_SECURE_KEY_INDEX_FIELD;
+	value |= (ctx->slot->slot_num << TEGRA_AES_SECURE_KEY_INDEX_SHIFT);
+	aes_writel(dd, value, TEGRA_AES_SECURE_CONFIG);
+
+	if (use_ssk)
+		return 0;
+
+	/* copy the key table from sdram to vram */
+	cmdq[0] = CMD_MEMDMAVD << CMDQ_OPCODE_SHIFT |
+		MEMDMA_DIR_DTOVRAM << MEMDMA_DIR_SHIFT |
+		AES_HW_KEY_TABLE_LENGTH_BYTES / sizeof(u32) <<
+			MEMDMA_NUM_WORDS_SHIFT;
+	cmdq[1] = (u32)dd->ivkey_phys_base;
+
+	aes_writel(dd, cmdq[0], TEGRA_AES_ICMDQUE_WR);
+	aes_writel(dd, cmdq[1], TEGRA_AES_ICMDQUE_WR);
+
+	do {
+		value = aes_readl(dd, TEGRA_AES_INTR_STATUS);
+		eng_busy = value & TEGRA_AES_ENGINE_BUSY_FIELD;
+		icq_empty = value & TEGRA_AES_ICQ_EMPTY_FIELD;
+		dma_busy = value & TEGRA_AES_DMA_BUSY_FIELD;
+	} while (eng_busy & (!icq_empty) & dma_busy);
+
+	/* settable command to get key into internal registers */
+	value = CMD_SETTABLE << CMDQ_OPCODE_SHIFT |
+		SUBCMD_CRYPTO_TABLE_SEL << CMDQ_TABLESEL_SHIFT |
+		SUBCMD_VRAM_SEL << CMDQ_VRAMSEL_SHIFT |
+		(SUBCMD_KEY_TABLE_SEL | ctx->slot->slot_num) <<
+			CMDQ_KEYTABLEID_SHIFT;
+	aes_writel(dd, value, TEGRA_AES_ICMDQUE_WR);
+
+	do {
+		value = aes_readl(dd, TEGRA_AES_INTR_STATUS);
+		eng_busy = value & TEGRA_AES_ENGINE_BUSY_FIELD;
+		icq_empty = value & TEGRA_AES_ICQ_EMPTY_FIELD;
+	} while (eng_busy & (!icq_empty));
+
+	return 0;
+}
+
+static int tegra_aes_handle_req(struct tegra_aes_dev *dd)
+{
+	struct crypto_async_request *async_req, *backlog;
+	struct crypto_ablkcipher *tfm;
+	struct tegra_aes_ctx *ctx;
+	struct tegra_aes_reqctx *rctx;
+	struct ablkcipher_request *req;
+	unsigned long flags;
+	int dma_max = AES_HW_DMA_BUFFER_SIZE_BYTES;
+	int ret = 0, nblocks, total;
+	int count = 0;
+	dma_addr_t addr_in, addr_out;
+	struct scatterlist *in_sg, *out_sg;
+
+	if (!dd)
+		return -EINVAL;
+
+	spin_lock_irqsave(&dd->lock, flags);
+	backlog = crypto_get_backlog(&dd->queue);
+	async_req = crypto_dequeue_request(&dd->queue);
+	if (!async_req)
+		clear_bit(FLAGS_BUSY, &dd->flags);
+	spin_unlock_irqrestore(&dd->lock, flags);
+
+	if (!async_req)
+		return -ENODATA;
+
+	if (backlog)
+		backlog->complete(backlog, -EINPROGRESS);
+
+	req = ablkcipher_request_cast(async_req);
+
+	dev_dbg(dd->dev, "%s: get new req\n", __func__);
+
+	if (!req->src || !req->dst)
+		return -EINVAL;
+
+	/* take mutex to access the aes hw */
+	mutex_lock(&aes_lock);
+
+	/* assign new request to device */
+	dd->req = req;
+	dd->total = req->nbytes;
+	dd->in_offset = 0;
+	dd->in_sg = req->src;
+	dd->out_offset = 0;
+	dd->out_sg = req->dst;
+
+	in_sg = dd->in_sg;
+	out_sg = dd->out_sg;
+
+	total = dd->total;
+
+	tfm = crypto_ablkcipher_reqtfm(req);
+	rctx = ablkcipher_request_ctx(req);
+	ctx = crypto_ablkcipher_ctx(tfm);
+	rctx->mode &= FLAGS_MODE_MASK;
+	dd->flags = (dd->flags & ~FLAGS_MODE_MASK) | rctx->mode;
+
+	dd->iv = (u8 *)req->info;
+	dd->ivlen = crypto_ablkcipher_ivsize(tfm);
+
+	/* assign new context to device */
+	ctx->dd = dd;
+	dd->ctx = ctx;
+
+	if (ctx->flags & FLAGS_NEW_KEY) {
+		/* copy the key */
+		memcpy(dd->ivkey_base, ctx->key, ctx->keylen);
+		memset(dd->ivkey_base + ctx->keylen, 0, AES_HW_KEY_TABLE_LENGTH_BYTES - ctx->keylen);
+		aes_set_key(dd);
+		ctx->flags &= ~FLAGS_NEW_KEY;
+	}
+
+	if (((dd->flags & FLAGS_CBC) || (dd->flags & FLAGS_OFB)) && dd->iv) {
+		/* set iv to the aes hw slot
+		 * Hw generates updated iv only after iv is set in slot.
+		 * So key and iv is passed asynchronously.
+		 */
+		memcpy(dd->buf_in, dd->iv, dd->ivlen);
+
+		ret = aes_start_crypt(dd, (u32)dd->dma_buf_in,
+				      dd->dma_buf_out, 1, FLAGS_CBC, false);
+		if (ret < 0) {
+			dev_err(dd->dev, "aes_start_crypt fail(%d)\n", ret);
+			goto out;
+		}
+	}
+
+	while (total) {
+		dev_dbg(dd->dev, "remain: %d\n", total);
+		ret = dma_map_sg(dd->dev, in_sg, 1, DMA_TO_DEVICE);
+		if (!ret) {
+			dev_err(dd->dev, "dma_map_sg() error\n");
+			goto out;
+		}
+
+		ret = dma_map_sg(dd->dev, out_sg, 1, DMA_FROM_DEVICE);
+		if (!ret) {
+			dev_err(dd->dev, "dma_map_sg() error\n");
+			dma_unmap_sg(dd->dev, dd->in_sg,
+				1, DMA_TO_DEVICE);
+			goto out;
+		}
+
+		addr_in = sg_dma_address(in_sg);
+		addr_out = sg_dma_address(out_sg);
+		dd->flags |= FLAGS_FAST;
+		count = min_t(int, sg_dma_len(in_sg), dma_max);
+		WARN_ON(sg_dma_len(in_sg) != sg_dma_len(out_sg));
+		nblocks = DIV_ROUND_UP(count, AES_BLOCK_SIZE);
+
+		ret = aes_start_crypt(dd, addr_in, addr_out, nblocks,
+			dd->flags, true);
+
+		dma_unmap_sg(dd->dev, out_sg, 1, DMA_FROM_DEVICE);
+		dma_unmap_sg(dd->dev, in_sg, 1, DMA_TO_DEVICE);
+
+		if (ret < 0) {
+			dev_err(dd->dev, "aes_start_crypt fail(%d)\n", ret);
+			goto out;
+		}
+		dd->flags &= ~FLAGS_FAST;
+
+		dev_dbg(dd->dev, "out: copied %d\n", count);
+		total -= count;
+		in_sg = sg_next(in_sg);
+		out_sg = sg_next(out_sg);
+		WARN_ON(((total != 0) && (!in_sg || !out_sg)));
+	}
+
+out:
+	mutex_unlock(&aes_lock);
+
+	dd->total = total;
+
+	if (dd->req->base.complete)
+		dd->req->base.complete(&dd->req->base, ret);
+
+	dev_dbg(dd->dev, "%s: exit\n", __func__);
+	return ret;
+}
+
+static int tegra_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
+			    unsigned int keylen)
+{
+	struct tegra_aes_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+	struct tegra_aes_dev *dd = aes_dev;
+	struct tegra_aes_slot *key_slot;
+
+	if ((keylen != AES_KEYSIZE_128) && (keylen != AES_KEYSIZE_192) &&
+		(keylen != AES_KEYSIZE_256)) {
+		dev_err(dd->dev, "unsupported key size\n");
+		crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+		return -EINVAL;
+	}
+
+	dev_dbg(dd->dev, "keylen: %d\n", keylen);
+
+	ctx->dd = dd;
+
+	if (key) {
+		if (!ctx->slot) {
+			key_slot = aes_find_key_slot();
+			if (!key_slot) {
+				dev_err(dd->dev, "no empty slot\n");
+				return -ENOMEM;
+			}
+
+			ctx->slot = key_slot;
+		}
+
+		memcpy(ctx->key, key, keylen);
+		ctx->keylen = keylen;
+	}
+
+	ctx->flags |= FLAGS_NEW_KEY;
+	dev_dbg(dd->dev, "done\n");
+	return 0;
+}
+
+static void aes_workqueue_handler(struct work_struct *work)
+{
+	struct tegra_aes_dev *dd = aes_dev;
+	int ret;
+
+	ret = clk_enable(dd->aes_clk);
+	if (ret)
+		BUG_ON("clock enable failed");
+
+	/* empty the crypto queue and then return */
+	do {
+		ret = tegra_aes_handle_req(dd);
+	} while (!ret);
+
+	clk_disable(dd->aes_clk);
+}
+
+static irqreturn_t aes_irq(int irq, void *dev_id)
+{
+	struct tegra_aes_dev *dd = (struct tegra_aes_dev *)dev_id;
+	u32 value = aes_readl(dd, TEGRA_AES_INTR_STATUS);
+	int busy = test_bit(FLAGS_BUSY, &dd->flags);
+
+	if (!busy) {
+		dev_dbg(dd->dev, "spurious interrupt\n");
+		return IRQ_NONE;
+	}
+
+	dev_dbg(dd->dev, "irq_stat: 0x%x\n", value);
+	if (value & TEGRA_AES_INT_ERROR_MASK)
+		aes_writel(dd, TEGRA_AES_INT_ERROR_MASK, TEGRA_AES_INTR_STATUS);
+
+	if (!(value & TEGRA_AES_ENGINE_BUSY_FIELD))
+		complete(&dd->op_complete);
+	else
+		return IRQ_NONE;
+
+	return IRQ_HANDLED;
+}
+
+static int tegra_aes_crypt(struct ablkcipher_request *req, unsigned long mode)
+{
+	struct tegra_aes_reqctx *rctx = ablkcipher_request_ctx(req);
+	struct tegra_aes_dev *dd = aes_dev;
+	unsigned long flags;
+	int err = 0;
+	int busy;
+
+	dev_dbg(dd->dev, "nbytes: %d, enc: %d, cbc: %d, ofb: %d\n",
+		req->nbytes, !!(mode & FLAGS_ENCRYPT),
+		!!(mode & FLAGS_CBC), !!(mode & FLAGS_OFB));
+
+	rctx->mode = mode;
+
+	spin_lock_irqsave(&dd->lock, flags);
+	err = ablkcipher_enqueue_request(&dd->queue, req);
+	busy = test_and_set_bit(FLAGS_BUSY, &dd->flags);
+	spin_unlock_irqrestore(&dd->lock, flags);
+
+	if (!busy)
+		queue_work(aes_wq, &aes_work);
+
+	return err;
+}
+
+static int tegra_aes_ecb_encrypt(struct ablkcipher_request *req)
+{
+	return tegra_aes_crypt(req, FLAGS_ENCRYPT);
+}
+
+static int tegra_aes_ecb_decrypt(struct ablkcipher_request *req)
+{
+	return tegra_aes_crypt(req, 0);
+}
+
+static int tegra_aes_cbc_encrypt(struct ablkcipher_request *req)
+{
+	return tegra_aes_crypt(req, FLAGS_ENCRYPT | FLAGS_CBC);
+}
+
+static int tegra_aes_cbc_decrypt(struct ablkcipher_request *req)
+{
+	return tegra_aes_crypt(req, FLAGS_CBC);
+}
+
+static int tegra_aes_ofb_encrypt(struct ablkcipher_request *req)
+{
+	return tegra_aes_crypt(req, FLAGS_ENCRYPT | FLAGS_OFB);
+}
+
+static int tegra_aes_ofb_decrypt(struct ablkcipher_request *req)
+{
+	return tegra_aes_crypt(req, FLAGS_OFB);
+}
+
+static int tegra_aes_get_random(struct crypto_rng *tfm, u8 *rdata,
+				unsigned int dlen)
+{
+	struct tegra_aes_dev *dd = aes_dev;
+	struct tegra_aes_ctx *ctx = &rng_ctx;
+	int ret, i;
+	u8 *dest = rdata, *dt = dd->dt;
+
+	/* take mutex to access the aes hw */
+	mutex_lock(&aes_lock);
+
+	ret = clk_enable(dd->aes_clk);
+	if (ret)
+		return ret;
+
+	ctx->dd = dd;
+	dd->ctx = ctx;
+	dd->flags = FLAGS_ENCRYPT | FLAGS_RNG;
+
+	memcpy(dd->buf_in, dt, DEFAULT_RNG_BLK_SZ);
+
+	ret = aes_start_crypt(dd, (u32)dd->dma_buf_in,
+			      (u32)dd->dma_buf_out, 1, dd->flags, true);
+	if (ret < 0) {
+		dev_err(dd->dev, "aes_start_crypt fail(%d)\n", ret);
+		dlen = ret;
+		goto out;
+	}
+	memcpy(dest, dd->buf_out, dlen);
+
+	/* update the DT */
+	for (i = DEFAULT_RNG_BLK_SZ - 1; i >= 0; i--) {
+		dt[i] += 1;
+		if (dt[i] != 0)
+			break;
+	}
+
+out:
+	clk_disable(dd->aes_clk);
+	mutex_unlock(&aes_lock);
+
+	dev_dbg(dd->dev, "%s: done\n", __func__);
+	return dlen;
+}
+
+static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed,
+			       unsigned int slen)
+{
+	struct tegra_aes_dev *dd = aes_dev;
+	struct tegra_aes_ctx *ctx = &rng_ctx;
+	struct tegra_aes_slot *key_slot;
+	struct timespec ts;
+	int ret = 0;
+	u64 nsec, tmp[2];
+	u8 *dt;
+
+	if (!ctx || !dd) {
+		dev_err(dd->dev, "ctx=0x%x, dd=0x%x\n",
+			(unsigned int)ctx, (unsigned int)dd);
+		return -EINVAL;
+	}
+
+	if (slen < (DEFAULT_RNG_BLK_SZ + AES_KEYSIZE_128)) {
+		dev_err(dd->dev, "seed size invalid");
+		return -ENOMEM;
+	}
+
+	/* take mutex to access the aes hw */
+	mutex_lock(&aes_lock);
+
+	if (!ctx->slot) {
+		key_slot = aes_find_key_slot();
+		if (!key_slot) {
+			dev_err(dd->dev, "no empty slot\n");
+			mutex_unlock(&aes_lock);
+			return -ENOMEM;
+		}
+		ctx->slot = key_slot;
+	}
+
+	ctx->dd = dd;
+	dd->ctx = ctx;
+	dd->ctr = 0;
+
+	ctx->keylen = AES_KEYSIZE_128;
+	ctx->flags |= FLAGS_NEW_KEY;
+
+	/* copy the key to the key slot */
+	memcpy(dd->ivkey_base, seed + DEFAULT_RNG_BLK_SZ, AES_KEYSIZE_128);
+	memset(dd->ivkey_base + AES_KEYSIZE_128, 0, AES_HW_KEY_TABLE_LENGTH_BYTES - AES_KEYSIZE_128);
+
+	dd->iv = seed;
+	dd->ivlen = slen;
+
+	dd->flags = FLAGS_ENCRYPT | FLAGS_RNG;
+
+	ret = clk_enable(dd->aes_clk);
+	if (ret)
+		return ret;
+
+	aes_set_key(dd);
+
+	/* set seed to the aes hw slot */
+	memcpy(dd->buf_in, dd->iv, DEFAULT_RNG_BLK_SZ);
+	ret = aes_start_crypt(dd, (u32)dd->dma_buf_in,
+			      dd->dma_buf_out, 1, FLAGS_CBC, false);
+	if (ret < 0) {
+		dev_err(dd->dev, "aes_start_crypt fail(%d)\n", ret);
+		goto out;
+	}
+
+	if (dd->ivlen >= (2 * DEFAULT_RNG_BLK_SZ + AES_KEYSIZE_128)) {
+		dt = dd->iv + DEFAULT_RNG_BLK_SZ + AES_KEYSIZE_128;
+	} else {
+		getnstimeofday(&ts);
+		nsec = timespec_to_ns(&ts);
+		do_div(nsec, 1000);
+		nsec ^= dd->ctr << 56;
+		dd->ctr++;
+		tmp[0] = nsec;
+		tmp[1] = tegra_chip_uid();
+		dt = (u8 *)tmp;
+	}
+	memcpy(dd->dt, dt, DEFAULT_RNG_BLK_SZ);
+
+out:
+	clk_disable(dd->aes_clk);
+	mutex_unlock(&aes_lock);
+
+	dev_dbg(dd->dev, "%s: done\n", __func__);
+	return ret;
+}
+
+static int tegra_aes_cra_init(struct crypto_tfm *tfm)
+{
+	tfm->crt_ablkcipher.reqsize = sizeof(struct tegra_aes_reqctx);
+
+	return 0;
+}
+
+void tegra_aes_cra_exit(struct crypto_tfm *tfm)
+{
+	struct tegra_aes_ctx *ctx =
+		crypto_ablkcipher_ctx((struct crypto_ablkcipher *)tfm);
+
+	if (ctx && ctx->slot)
+		aes_release_key_slot(ctx->slot);
+}
+
+static struct crypto_alg algs[] = {
+	{
+		.cra_name = "ecb(aes)",
+		.cra_driver_name = "ecb-aes-tegra",
+		.cra_priority = 300,
+		.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+		.cra_blocksize = AES_BLOCK_SIZE,
+		.cra_alignmask = 3,
+		.cra_type = &crypto_ablkcipher_type,
+		.cra_u.ablkcipher = {
+			.min_keysize = AES_MIN_KEY_SIZE,
+			.max_keysize = AES_MAX_KEY_SIZE,
+			.setkey = tegra_aes_setkey,
+			.encrypt = tegra_aes_ecb_encrypt,
+			.decrypt = tegra_aes_ecb_decrypt,
+		},
+	}, {
+		.cra_name = "cbc(aes)",
+		.cra_driver_name = "cbc-aes-tegra",
+		.cra_priority = 300,
+		.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+		.cra_blocksize = AES_BLOCK_SIZE,
+		.cra_alignmask = 3,
+		.cra_type = &crypto_ablkcipher_type,
+		.cra_u.ablkcipher = {
+			.min_keysize = AES_MIN_KEY_SIZE,
+			.max_keysize = AES_MAX_KEY_SIZE,
+			.ivsize = AES_MIN_KEY_SIZE,
+			.setkey = tegra_aes_setkey,
+			.encrypt = tegra_aes_cbc_encrypt,
+			.decrypt = tegra_aes_cbc_decrypt,
+		}
+	}, {
+		.cra_name = "ofb(aes)",
+		.cra_driver_name = "ofb-aes-tegra",
+		.cra_priority = 300,
+		.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+		.cra_blocksize = AES_BLOCK_SIZE,
+		.cra_alignmask = 3,
+		.cra_type = &crypto_ablkcipher_type,
+		.cra_u.ablkcipher = {
+			.min_keysize = AES_MIN_KEY_SIZE,
+			.max_keysize = AES_MAX_KEY_SIZE,
+			.ivsize = AES_MIN_KEY_SIZE,
+			.setkey = tegra_aes_setkey,
+			.encrypt = tegra_aes_ofb_encrypt,
+			.decrypt = tegra_aes_ofb_decrypt,
+		}
+	}, {
+		.cra_name = "ansi_cprng",
+		.cra_driver_name = "rng-aes-tegra",
+		.cra_flags = CRYPTO_ALG_TYPE_RNG,
+		.cra_ctxsize = sizeof(struct tegra_aes_ctx),
+		.cra_type = &crypto_rng_type,
+		.cra_u.rng = {
+			.rng_make_random = tegra_aes_get_random,
+			.rng_reset = tegra_aes_rng_reset,
+			.seedsize = AES_KEYSIZE_128 + (2 * DEFAULT_RNG_BLK_SZ),
+		}
+	}
+};
+
+static int tegra_aes_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct tegra_aes_dev *dd;
+	struct resource *res;
+	int err = -ENOMEM, i = 0, j;
+
+	dd = devm_kzalloc(dev, sizeof(struct tegra_aes_dev), GFP_KERNEL);
+	if (dd == NULL) {
+		dev_err(dev, "unable to alloc data struct.\n");
+		return err;
+	}
+
+	dd->dev = dev;
+	platform_set_drvdata(pdev, dd);
+
+	dd->slots = devm_kzalloc(dev, sizeof(struct tegra_aes_slot) *
+				 AES_NR_KEYSLOTS, GFP_KERNEL);
+	if (dd->slots == NULL) {
+		dev_err(dev, "unable to alloc slot struct.\n");
+		goto out;
+	}
+
+	spin_lock_init(&dd->lock);
+	crypto_init_queue(&dd->queue, TEGRA_AES_QUEUE_LENGTH);
+
+	/* Get the module base address */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(dev, "invalid resource type: base\n");
+		err = -ENODEV;
+		goto out;
+	}
+
+	if (!devm_request_mem_region(&pdev->dev, res->start,
+				     resource_size(res),
+				     dev_name(&pdev->dev))) {
+		dev_err(&pdev->dev, "Couldn't request MEM resource\n");
+		return -ENODEV;
+	}
+
+	dd->io_base = devm_ioremap(dev, res->start, resource_size(res));
+	if (!dd->io_base) {
+		dev_err(dev, "can't ioremap register space\n");
+		err = -ENOMEM;
+		goto out;
+	}
+
+	/* Initialize the vde clock */
+	dd->aes_clk = clk_get(dev, "vde");
+	if (IS_ERR(dd->aes_clk)) {
+		dev_err(dev, "iclock intialization failed.\n");
+		err = -ENODEV;
+		goto out;
+	}
+
+	err = clk_set_rate(dd->aes_clk, ULONG_MAX);
+	if (err) {
+		dev_err(dd->dev, "iclk set_rate fail(%d)\n", err);
+		goto out;
+	}
+
+	/*
+	 * the foll contiguous memory is allocated as follows -
+	 * - hardware key table
+	 * - key schedule
+	 */
+	dd->ivkey_base = dma_alloc_coherent(dev, AES_HW_KEY_TABLE_LENGTH_BYTES,
+					    &dd->ivkey_phys_base,
+		GFP_KERNEL);
+	if (!dd->ivkey_base) {
+		dev_err(dev, "can not allocate iv/key buffer\n");
+		err = -ENOMEM;
+		goto out;
+	}
+
+	dd->buf_in = dma_alloc_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES,
+					&dd->dma_buf_in, GFP_KERNEL);
+	if (!dd->buf_in) {
+		dev_err(dev, "can not allocate dma-in buffer\n");
+		err = -ENOMEM;
+		goto out;
+	}
+
+	dd->buf_out = dma_alloc_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES,
+					 &dd->dma_buf_out, GFP_KERNEL);
+	if (!dd->buf_out) {
+		dev_err(dev, "can not allocate dma-out buffer\n");
+		err = -ENOMEM;
+		goto out;
+	}
+
+	init_completion(&dd->op_complete);
+	aes_wq = alloc_workqueue("tegra_aes_wq", WQ_HIGHPRI | WQ_UNBOUND, 1);
+	if (!aes_wq) {
+		dev_err(dev, "alloc_workqueue failed\n");
+		goto out;
+	}
+
+	/* get the irq */
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res) {
+		dev_err(dev, "invalid resource type: base\n");
+		err = -ENODEV;
+		goto out;
+	}
+	dd->irq = res->start;
+
+	err = devm_request_irq(dev, dd->irq, aes_irq, IRQF_TRIGGER_HIGH |
+				IRQF_SHARED, "tegra-aes", dd);
+	if (err) {
+		dev_err(dev, "request_irq failed\n");
+		goto out;
+	}
+
+	mutex_init(&aes_lock);
+	INIT_LIST_HEAD(&dev_list);
+
+	spin_lock_init(&list_lock);
+	spin_lock(&list_lock);
+	for (i = 0; i < AES_NR_KEYSLOTS; i++) {
+		if (i == SSK_SLOT_NUM)
+			continue;
+		dd->slots[i].slot_num = i;
+		INIT_LIST_HEAD(&dd->slots[i].node);
+		list_add_tail(&dd->slots[i].node, &dev_list);
+	}
+	spin_unlock(&list_lock);
+
+	aes_dev = dd;
+	for (i = 0; i < ARRAY_SIZE(algs); i++) {
+		INIT_LIST_HEAD(&algs[i].cra_list);
+
+		algs[i].cra_priority = 300;
+		algs[i].cra_ctxsize = sizeof(struct tegra_aes_ctx);
+		algs[i].cra_module = THIS_MODULE;
+		algs[i].cra_init = tegra_aes_cra_init;
+		algs[i].cra_exit = tegra_aes_cra_exit;
+
+		err = crypto_register_alg(&algs[i]);
+		if (err)
+			goto out;
+	}
+
+	dev_info(dev, "registered");
+	return 0;
+
+out:
+	for (j = 0; j < i; j++)
+		crypto_unregister_alg(&algs[j]);
+	if (dd->ivkey_base)
+		dma_free_coherent(dev, AES_HW_KEY_TABLE_LENGTH_BYTES,
+			dd->ivkey_base, dd->ivkey_phys_base);
+	if (dd->buf_in)
+		dma_free_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES,
+			dd->buf_in, dd->dma_buf_in);
+	if (dd->buf_out)
+		dma_free_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES,
+			dd->buf_out, dd->dma_buf_out);
+	if (IS_ERR(dd->aes_clk))
+		clk_put(dd->aes_clk);
+	if (aes_wq)
+		destroy_workqueue(aes_wq);
+	spin_lock(&list_lock);
+	list_del(&dev_list);
+	spin_unlock(&list_lock);
+
+	aes_dev = NULL;
+
+	dev_err(dev, "%s: initialization failed.\n", __func__);
+	return err;
+}
+
+static int __devexit tegra_aes_remove(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct tegra_aes_dev *dd = platform_get_drvdata(pdev);
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(algs); i++)
+		crypto_unregister_alg(&algs[i]);
+
+	cancel_work_sync(&aes_work);
+	destroy_workqueue(aes_wq);
+	spin_lock(&list_lock);
+	list_del(&dev_list);
+	spin_unlock(&list_lock);
+
+	dma_free_coherent(dev, AES_HW_KEY_TABLE_LENGTH_BYTES,
+			  dd->ivkey_base, dd->ivkey_phys_base);
+	dma_free_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES,
+			  dd->buf_in, dd->dma_buf_in);
+	dma_free_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES,
+			  dd->buf_out, dd->dma_buf_out);
+	clk_put(dd->aes_clk);
+	aes_dev = NULL;
+
+	return 0;
+}
+
+static struct of_device_id tegra_aes_of_match[] __devinitdata = {
+	{ .compatible = "nvidia,tegra20-aes", },
+	{ .compatible = "nvidia,tegra30-aes", },
+	{ },
+};
+
+static struct platform_driver tegra_aes_driver = {
+	.probe  = tegra_aes_probe,
+	.remove = __devexit_p(tegra_aes_remove),
+	.driver = {
+		.name   = "tegra-aes",
+		.owner  = THIS_MODULE,
+		.of_match_table = tegra_aes_of_match,
+	},
+};
+
+module_platform_driver(tegra_aes_driver);
+
+MODULE_DESCRIPTION("Tegra AES/OFB/CPRNG hw acceleration support.");
+MODULE_AUTHOR("NVIDIA Corporation");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/crypto/tegra-aes.h b/drivers/crypto/tegra-aes.h
new file mode 100644
index 000000000000..6006333a8934
--- /dev/null
+++ b/drivers/crypto/tegra-aes.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2010, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef __CRYPTODEV_TEGRA_AES_H
+#define __CRYPTODEV_TEGRA_AES_H
+
+#define TEGRA_AES_ICMDQUE_WR			0x1000
+#define TEGRA_AES_CMDQUE_CONTROL		0x1008
+#define TEGRA_AES_INTR_STATUS			0x1018
+#define TEGRA_AES_INT_ENB			0x1040
+#define TEGRA_AES_CONFIG			0x1044
+#define TEGRA_AES_IRAM_ACCESS_CFG		0x10A0
+#define TEGRA_AES_SECURE_DEST_ADDR		0x1100
+#define TEGRA_AES_SECURE_INPUT_SELECT		0x1104
+#define TEGRA_AES_SECURE_CONFIG			0x1108
+#define TEGRA_AES_SECURE_CONFIG_EXT		0x110C
+#define TEGRA_AES_SECURE_SECURITY		0x1110
+#define TEGRA_AES_SECURE_HASH_RESULT0		0x1120
+#define TEGRA_AES_SECURE_HASH_RESULT1		0x1124
+#define TEGRA_AES_SECURE_HASH_RESULT2		0x1128
+#define TEGRA_AES_SECURE_HASH_RESULT3		0x112C
+#define TEGRA_AES_SECURE_SEC_SEL0		0x1140
+#define TEGRA_AES_SECURE_SEC_SEL1		0x1144
+#define TEGRA_AES_SECURE_SEC_SEL2		0x1148
+#define TEGRA_AES_SECURE_SEC_SEL3		0x114C
+#define TEGRA_AES_SECURE_SEC_SEL4		0x1150
+#define TEGRA_AES_SECURE_SEC_SEL5		0x1154
+#define TEGRA_AES_SECURE_SEC_SEL6		0x1158
+#define TEGRA_AES_SECURE_SEC_SEL7		0x115C
+
+/* interrupt status reg masks and shifts */
+#define TEGRA_AES_ENGINE_BUSY_FIELD		BIT(0)
+#define TEGRA_AES_ICQ_EMPTY_FIELD		BIT(3)
+#define TEGRA_AES_DMA_BUSY_FIELD		BIT(23)
+
+/* secure select reg masks and shifts */
+#define TEGRA_AES_SECURE_SEL0_KEYREAD_ENB0_FIELD	BIT(0)
+
+/* secure config ext masks and shifts */
+#define TEGRA_AES_SECURE_KEY_SCH_DIS_FIELD	BIT(15)
+
+/* secure config masks and shifts */
+#define TEGRA_AES_SECURE_KEY_INDEX_SHIFT	20
+#define TEGRA_AES_SECURE_KEY_INDEX_FIELD	(0x1F << TEGRA_AES_SECURE_KEY_INDEX_SHIFT)
+#define TEGRA_AES_SECURE_BLOCK_CNT_SHIFT	0
+#define TEGRA_AES_SECURE_BLOCK_CNT_FIELD	(0xFFFFF << TEGRA_AES_SECURE_BLOCK_CNT_SHIFT)
+
+/* stream interface select masks and shifts */
+#define TEGRA_AES_CMDQ_CTRL_UCMDQEN_FIELD	BIT(0)
+#define TEGRA_AES_CMDQ_CTRL_ICMDQEN_FIELD	BIT(1)
+#define TEGRA_AES_CMDQ_CTRL_SRC_STM_SEL_FIELD	BIT(4)
+#define TEGRA_AES_CMDQ_CTRL_DST_STM_SEL_FIELD	BIT(5)
+
+/* config register masks and shifts */
+#define TEGRA_AES_CONFIG_ENDIAN_ENB_FIELD	BIT(10)
+#define TEGRA_AES_CONFIG_MODE_SEL_SHIFT		0
+#define TEGRA_AES_CONFIG_MODE_SEL_FIELD		(0x1F << TEGRA_AES_CONFIG_MODE_SEL_SHIFT)
+
+/* extended config */
+#define TEGRA_AES_SECURE_OFFSET_CNT_SHIFT	24
+#define TEGRA_AES_SECURE_OFFSET_CNT_FIELD	(0xFF << TEGRA_AES_SECURE_OFFSET_CNT_SHIFT)
+#define TEGRA_AES_SECURE_KEYSCHED_GEN_FIELD	BIT(15)
+
+/* init vector select */
+#define TEGRA_AES_SECURE_IV_SELECT_SHIFT	10
+#define TEGRA_AES_SECURE_IV_SELECT_FIELD	BIT(10)
+
+/* secure engine input */
+#define TEGRA_AES_SECURE_INPUT_ALG_SEL_SHIFT	28
+#define TEGRA_AES_SECURE_INPUT_ALG_SEL_FIELD	(0xF << TEGRA_AES_SECURE_INPUT_ALG_SEL_SHIFT)
+#define TEGRA_AES_SECURE_INPUT_KEY_LEN_SHIFT	16
+#define TEGRA_AES_SECURE_INPUT_KEY_LEN_FIELD	(0xFFF << TEGRA_AES_SECURE_INPUT_KEY_LEN_SHIFT)
+#define TEGRA_AES_SECURE_RNG_ENB_FIELD		BIT(11)
+#define TEGRA_AES_SECURE_CORE_SEL_SHIFT		9
+#define TEGRA_AES_SECURE_CORE_SEL_FIELD		BIT(9)
+#define TEGRA_AES_SECURE_VCTRAM_SEL_SHIFT	7
+#define TEGRA_AES_SECURE_VCTRAM_SEL_FIELD	(0x3 << TEGRA_AES_SECURE_VCTRAM_SEL_SHIFT)
+#define TEGRA_AES_SECURE_INPUT_SEL_SHIFT	5
+#define TEGRA_AES_SECURE_INPUT_SEL_FIELD	(0x3 << TEGRA_AES_SECURE_INPUT_SEL_SHIFT)
+#define TEGRA_AES_SECURE_XOR_POS_SHIFT		3
+#define TEGRA_AES_SECURE_XOR_POS_FIELD		(0x3 << TEGRA_AES_SECURE_XOR_POS_SHIFT)
+#define TEGRA_AES_SECURE_HASH_ENB_FIELD		BIT(2)
+#define TEGRA_AES_SECURE_ON_THE_FLY_FIELD	BIT(0)
+
+/* interrupt error mask */
+#define TEGRA_AES_INT_ERROR_MASK		0xFFF000
+
+#endif
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index c189b82f5ece..70c31d43fff3 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -83,6 +83,7 @@ int update_devfreq(struct devfreq *devfreq)
 {
 	unsigned long freq;
 	int err = 0;
+	u32 flags = 0;
 
 	if (!mutex_is_locked(&devfreq->lock)) {
 		WARN(true, "devfreq->lock must be locked by the caller.\n");
@@ -94,7 +95,24 @@ int update_devfreq(struct devfreq *devfreq)
 	if (err)
 		return err;
 
-	err = devfreq->profile->target(devfreq->dev.parent, &freq);
+	/*
+	 * Adjust the freuqency with user freq and QoS.
+	 *
+	 * List from the highest proiority
+	 * max_freq (probably called by thermal when it's too hot)
+	 * min_freq
+	 */
+
+	if (devfreq->min_freq && freq < devfreq->min_freq) {
+		freq = devfreq->min_freq;
+		flags &= ~DEVFREQ_FLAG_LEAST_UPPER_BOUND; /* Use GLB */
+	}
+	if (devfreq->max_freq && freq > devfreq->max_freq) {
+		freq = devfreq->max_freq;
+		flags |= DEVFREQ_FLAG_LEAST_UPPER_BOUND; /* Use LUB */
+	}
+
+	err = devfreq->profile->target(devfreq->dev.parent, &freq, flags);
 	if (err)
 		return err;
 
@@ -501,12 +519,82 @@ static ssize_t show_central_polling(struct device *dev,
 		       !to_devfreq(dev)->governor->no_central_polling);
 }
 
+static ssize_t store_min_freq(struct device *dev, struct device_attribute *attr,
+			      const char *buf, size_t count)
+{
+	struct devfreq *df = to_devfreq(dev);
+	unsigned long value;
+	int ret;
+	unsigned long max;
+
+	ret = sscanf(buf, "%lu", &value);
+	if (ret != 1)
+		goto out;
+
+	mutex_lock(&df->lock);
+	max = df->max_freq;
+	if (value && max && value > max) {
+		ret = -EINVAL;
+		goto unlock;
+	}
+
+	df->min_freq = value;
+	update_devfreq(df);
+	ret = count;
+unlock:
+	mutex_unlock(&df->lock);
+out:
+	return ret;
+}
+
+static ssize_t show_min_freq(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	return sprintf(buf, "%lu\n", to_devfreq(dev)->min_freq);
+}
+
+static ssize_t store_max_freq(struct device *dev, struct device_attribute *attr,
+			      const char *buf, size_t count)
+{
+	struct devfreq *df = to_devfreq(dev);
+	unsigned long value;
+	int ret;
+	unsigned long min;
+
+	ret = sscanf(buf, "%lu", &value);
+	if (ret != 1)
+		goto out;
+
+	mutex_lock(&df->lock);
+	min = df->min_freq;
+	if (value && min && value < min) {
+		ret = -EINVAL;
+		goto unlock;
+	}
+
+	df->max_freq = value;
+	update_devfreq(df);
+	ret = count;
+unlock:
+	mutex_unlock(&df->lock);
+out:
+	return ret;
+}
+
+static ssize_t show_max_freq(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	return sprintf(buf, "%lu\n", to_devfreq(dev)->max_freq);
+}
+
 static struct device_attribute devfreq_attrs[] = {
 	__ATTR(governor, S_IRUGO, show_governor, NULL),
 	__ATTR(cur_freq, S_IRUGO, show_freq, NULL),
 	__ATTR(central_polling, S_IRUGO, show_central_polling, NULL),
 	__ATTR(polling_interval, S_IRUGO | S_IWUSR, show_polling_interval,
 	       store_polling_interval),
+	__ATTR(min_freq, S_IRUGO | S_IWUSR, show_min_freq, store_min_freq),
+	__ATTR(max_freq, S_IRUGO | S_IWUSR, show_max_freq, store_max_freq),
 	{ },
 };
 
@@ -555,14 +643,30 @@ module_exit(devfreq_exit);
  *			     freq value given to target callback.
  * @dev		The devfreq user device. (parent of devfreq)
  * @freq	The frequency given to target function
+ * @flags	Flags handed from devfreq framework.
  *
  */
-struct opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq)
+struct opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq,
+				    u32 flags)
 {
-	struct opp *opp = opp_find_freq_ceil(dev, freq);
+	struct opp *opp;
 
-	if (opp == ERR_PTR(-ENODEV))
+	if (flags & DEVFREQ_FLAG_LEAST_UPPER_BOUND) {
+		/* The freq is an upper bound. opp should be lower */
 		opp = opp_find_freq_floor(dev, freq);
+
+		/* If not available, use the closest opp */
+		if (opp == ERR_PTR(-ENODEV))
+			opp = opp_find_freq_ceil(dev, freq);
+	} else {
+		/* The freq is an lower bound. opp should be higher */
+		opp = opp_find_freq_ceil(dev, freq);
+
+		/* If not available, use the closest opp */
+		if (opp == ERR_PTR(-ENODEV))
+			opp = opp_find_freq_floor(dev, freq);
+	}
+
 	return opp;
 }
 
diff --git a/drivers/devfreq/exynos4_bus.c b/drivers/devfreq/exynos4_bus.c
index 6460577d6701..1a361e99965a 100644
--- a/drivers/devfreq/exynos4_bus.c
+++ b/drivers/devfreq/exynos4_bus.c
@@ -619,15 +619,19 @@ static int exynos4_bus_setvolt(struct busfreq_data *data, struct opp *opp,
 	return err;
 }
 
-static int exynos4_bus_target(struct device *dev, unsigned long *_freq)
+static int exynos4_bus_target(struct device *dev, unsigned long *_freq,
+			      u32 flags)
 {
 	int err = 0;
 	struct platform_device *pdev = container_of(dev, struct platform_device,
 						    dev);
 	struct busfreq_data *data = platform_get_drvdata(pdev);
-	struct opp *opp = devfreq_recommended_opp(dev, _freq);
-	unsigned long old_freq = opp_get_freq(data->curr_opp);
+	struct opp *opp = devfreq_recommended_opp(dev, _freq, flags);
 	unsigned long freq = opp_get_freq(opp);
+	unsigned long old_freq = opp_get_freq(data->curr_opp);
+
+	if (IS_ERR(opp))
+		return PTR_ERR(opp);
 
 	if (old_freq == freq)
 		return 0;
@@ -689,9 +693,7 @@ static int exynos4_get_busier_dmc(struct busfreq_data *data)
 static int exynos4_bus_get_dev_status(struct device *dev,
 				      struct devfreq_dev_status *stat)
 {
-	struct platform_device *pdev = container_of(dev, struct platform_device,
-						    dev);
-	struct busfreq_data *data = platform_get_drvdata(pdev);
+	struct busfreq_data *data = dev_get_drvdata(dev);
 	int busier_dmc;
 	int cycles_x2 = 2; /* 2 x cycles */
 	void __iomem *addr;
@@ -739,9 +741,7 @@ static int exynos4_bus_get_dev_status(struct device *dev,
 
 static void exynos4_bus_exit(struct device *dev)
 {
-	struct platform_device *pdev = container_of(dev, struct platform_device,
-						    dev);
-	struct busfreq_data *data = platform_get_drvdata(pdev);
+	struct busfreq_data *data = dev_get_drvdata(dev);
 
 	devfreq_unregister_opp_notifier(dev, data->devfreq);
 }
@@ -1087,9 +1087,7 @@ static __devexit int exynos4_busfreq_remove(struct platform_device *pdev)
 
 static int exynos4_busfreq_resume(struct device *dev)
 {
-	struct platform_device *pdev = container_of(dev, struct platform_device,
-						    dev);
-	struct busfreq_data *data = platform_get_drvdata(pdev);
+	struct busfreq_data *data = dev_get_drvdata(dev);
 
 	busfreq_mon_reset(data);
 	return 0;
@@ -1132,4 +1130,3 @@ module_exit(exynos4_busfreq_exit);
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("EXYNOS4 busfreq driver with devfreq framework");
 MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
-MODULE_ALIAS("exynos4-busfreq");
diff --git a/drivers/devfreq/governor_performance.c b/drivers/devfreq/governor_performance.c
index c0596b291761..574a06b1b1de 100644
--- a/drivers/devfreq/governor_performance.c
+++ b/drivers/devfreq/governor_performance.c
@@ -18,7 +18,10 @@ static int devfreq_performance_func(struct devfreq *df,
 	 * target callback should be able to get floor value as
 	 * said in devfreq.h
 	 */
-	*freq = UINT_MAX;
+	if (!df->max_freq)
+		*freq = UINT_MAX;
+	else
+		*freq = df->max_freq;
 	return 0;
 }
 
diff --git a/drivers/devfreq/governor_powersave.c b/drivers/devfreq/governor_powersave.c
index 2483a85a266f..d742d4a82d6a 100644
--- a/drivers/devfreq/governor_powersave.c
+++ b/drivers/devfreq/governor_powersave.c
@@ -18,7 +18,7 @@ static int devfreq_powersave_func(struct devfreq *df,
 	 * target callback should be able to get ceiling value as
 	 * said in devfreq.h
 	 */
-	*freq = 0;
+	*freq = df->min_freq;
 	return 0;
 }
 
diff --git a/drivers/devfreq/governor_simpleondemand.c b/drivers/devfreq/governor_simpleondemand.c
index efad8dcf9028..a2e3eae79011 100644
--- a/drivers/devfreq/governor_simpleondemand.c
+++ b/drivers/devfreq/governor_simpleondemand.c
@@ -25,6 +25,7 @@ static int devfreq_simple_ondemand_func(struct devfreq *df,
 	unsigned int dfso_upthreshold = DFSO_UPTHRESHOLD;
 	unsigned int dfso_downdifferential = DFSO_DOWNDIFFERENCTIAL;
 	struct devfreq_simple_ondemand_data *data = df->data;
+	unsigned long max = (df->max_freq) ? df->max_freq : UINT_MAX;
 
 	if (err)
 		return err;
@@ -41,7 +42,7 @@ static int devfreq_simple_ondemand_func(struct devfreq *df,
 
 	/* Assume MAX if it is going to be divided by zero */
 	if (stat.total_time == 0) {
-		*freq = UINT_MAX;
+		*freq = max;
 		return 0;
 	}
 
@@ -54,13 +55,13 @@ static int devfreq_simple_ondemand_func(struct devfreq *df,
 	/* Set MAX if it's busy enough */
 	if (stat.busy_time * 100 >
 	    stat.total_time * dfso_upthreshold) {
-		*freq = UINT_MAX;
+		*freq = max;
 		return 0;
 	}
 
 	/* Set MAX if we do not know the initial frequency */
 	if (stat.current_frequency == 0) {
-		*freq = UINT_MAX;
+		*freq = max;
 		return 0;
 	}
 
@@ -79,6 +80,11 @@ static int devfreq_simple_ondemand_func(struct devfreq *df,
 	b = div_u64(b, (dfso_upthreshold - dfso_downdifferential / 2));
 	*freq = (unsigned long) b;
 
+	if (df->min_freq && *freq < df->min_freq)
+		*freq = df->min_freq;
+	if (df->max_freq && *freq > df->max_freq)
+		*freq = df->max_freq;
+
 	return 0;
 }
 
diff --git a/drivers/devfreq/governor_userspace.c b/drivers/devfreq/governor_userspace.c
index 4f8b563da782..0681246fc89d 100644
--- a/drivers/devfreq/governor_userspace.c
+++ b/drivers/devfreq/governor_userspace.c
@@ -25,10 +25,19 @@ static int devfreq_userspace_func(struct devfreq *df, unsigned long *freq)
 {
 	struct userspace_data *data = df->data;
 
-	if (!data->valid)
+	if (data->valid) {
+		unsigned long adjusted_freq = data->user_frequency;
+
+		if (df->max_freq && adjusted_freq > df->max_freq)
+			adjusted_freq = df->max_freq;
+
+		if (df->min_freq && adjusted_freq < df->min_freq)
+			adjusted_freq = df->min_freq;
+
+		*freq = adjusted_freq;
+	} else {
 		*freq = df->previous_freq; /* No user freq specified yet */
-	else
-		*freq = data->user_frequency;
+	}
 	return 0;
 }
 
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index ca6c04d350ee..da09cd74bc5b 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -620,13 +620,13 @@ static void edac_mc_scrub_block(unsigned long page, unsigned long offset,
 	if (PageHighMem(pg))
 		local_irq_save(flags);
 
-	virt_addr = kmap_atomic(pg, KM_BOUNCE_READ);
+	virt_addr = kmap_atomic(pg);
 
 	/* Perform architecture specific atomic scrub operation */
 	atomic_scrub(virt_addr + offset, size);
 
 	/* Unmap and complete */
-	kunmap_atomic(virt_addr, KM_BOUNCE_READ);
+	kunmap_atomic(virt_addr);
 
 	if (PageHighMem(pg))
 		local_irq_restore(flags);
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index 5cd04b65c556..e6568c19c939 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -37,7 +37,7 @@ struct mpc8xxx_gpio_chip {
 	 * open drain mode safely
 	 */
 	u32 data;
-	struct irq_host *irq;
+	struct irq_domain *irq;
 	void *of_dev_id_data;
 };
 
@@ -281,7 +281,7 @@ static struct irq_chip mpc8xxx_irq_chip = {
 	.irq_set_type	= mpc8xxx_irq_set_type,
 };
 
-static int mpc8xxx_gpio_irq_map(struct irq_host *h, unsigned int virq,
+static int mpc8xxx_gpio_irq_map(struct irq_domain *h, unsigned int virq,
 				irq_hw_number_t hw)
 {
 	struct mpc8xxx_gpio_chip *mpc8xxx_gc = h->host_data;
@@ -296,24 +296,9 @@ static int mpc8xxx_gpio_irq_map(struct irq_host *h, unsigned int virq,
 	return 0;
 }
 
-static int mpc8xxx_gpio_irq_xlate(struct irq_host *h, struct device_node *ct,
-				  const u32 *intspec, unsigned int intsize,
-				  irq_hw_number_t *out_hwirq,
-				  unsigned int *out_flags)
-
-{
-	/* interrupt sense values coming from the device tree equal either
-	 * EDGE_FALLING or EDGE_BOTH
-	 */
-	*out_hwirq = intspec[0];
-	*out_flags = intspec[1];
-
-	return 0;
-}
-
-static struct irq_host_ops mpc8xxx_gpio_irq_ops = {
+static struct irq_domain_ops mpc8xxx_gpio_irq_ops = {
 	.map	= mpc8xxx_gpio_irq_map,
-	.xlate	= mpc8xxx_gpio_irq_xlate,
+	.xlate	= irq_domain_xlate_twocell,
 };
 
 static struct of_device_id mpc8xxx_gpio_ids[] __initdata = {
@@ -364,9 +349,8 @@ static void __init mpc8xxx_add_controller(struct device_node *np)
 	if (hwirq == NO_IRQ)
 		goto skip_irq;
 
-	mpc8xxx_gc->irq =
-		irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, MPC8XXX_GPIO_PINS,
-			       &mpc8xxx_gpio_irq_ops, MPC8XXX_GPIO_PINS);
+	mpc8xxx_gc->irq = irq_domain_add_linear(np, MPC8XXX_GPIO_PINS,
+					&mpc8xxx_gpio_irq_ops, mpc8xxx_gc);
 	if (!mpc8xxx_gc->irq)
 		goto skip_irq;
 
@@ -374,8 +358,6 @@ static void __init mpc8xxx_add_controller(struct device_node *np)
 	if (id)
 		mpc8xxx_gc->of_dev_id_data = id->data;
 
-	mpc8xxx_gc->irq->host_data = mpc8xxx_gc;
-
 	/* ack and mask all irqs */
 	out_be32(mm_gc->regs + GPIO_IER, 0xffffffff);
 	out_be32(mm_gc->regs + GPIO_IMR, 0);
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c
index 592865381c6e..4b8653b932f9 100644
--- a/drivers/gpu/drm/drm_cache.c
+++ b/drivers/gpu/drm/drm_cache.c
@@ -41,10 +41,10 @@ drm_clflush_page(struct page *page)
 	if (unlikely(page == NULL))
 		return;
 
-	page_virtual = kmap_atomic(page, KM_USER0);
+	page_virtual = kmap_atomic(page);
 	for (i = 0; i < PAGE_SIZE; i += boot_cpu_data.x86_clflush_size)
 		clflush(page_virtual + i);
-	kunmap_atomic(page_virtual, KM_USER0);
+	kunmap_atomic(page_virtual);
 }
 
 static void drm_cache_flush_clflush(struct page *pages[],
@@ -87,10 +87,10 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages)
 		if (unlikely(page == NULL))
 			continue;
 
-		page_virtual = kmap_atomic(page, KM_USER0);
+		page_virtual = kmap_atomic(page);
 		flush_dcache_range((unsigned long)page_virtual,
 				   (unsigned long)page_virtual + PAGE_SIZE);
-		kunmap_atomic(page_virtual, KM_USER0);
+		kunmap_atomic(page_virtual);
 	}
 #else
 	printk(KERN_ERR "Architecture has no drm_cache.c support\n");
diff --git a/drivers/gpu/drm/gma500/mmu.c b/drivers/gpu/drm/gma500/mmu.c
index c904d73b1de3..e80ee82f6caf 100644
--- a/drivers/gpu/drm/gma500/mmu.c
+++ b/drivers/gpu/drm/gma500/mmu.c
@@ -125,14 +125,14 @@ static void psb_page_clflush(struct psb_mmu_driver *driver, struct page* page)
 	int i;
 	uint8_t *clf;
 
-	clf = kmap_atomic(page, KM_USER0);
+	clf = kmap_atomic(page);
 	mb();
 	for (i = 0; i < clflush_count; ++i) {
 		psb_clflush(clf);
 		clf += clflush_add;
 	}
 	mb();
-	kunmap_atomic(clf, KM_USER0);
+	kunmap_atomic(clf);
 }
 
 static void psb_pages_clflush(struct psb_mmu_driver *driver,
@@ -325,7 +325,7 @@ static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd)
 
 	spin_lock(lock);
 
-	v = kmap_atomic(pt->p, KM_USER0);
+	v = kmap_atomic(pt->p);
 	clf = (uint8_t *) v;
 	ptes = (uint32_t *) v;
 	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
@@ -341,7 +341,7 @@ static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd)
 		mb();
 	}
 
-	kunmap_atomic(v, KM_USER0);
+	kunmap_atomic(v);
 	spin_unlock(lock);
 
 	pt->count = 0;
@@ -376,18 +376,18 @@ struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd,
 			continue;
 		}
 
-		v = kmap_atomic(pd->p, KM_USER0);
+		v = kmap_atomic(pd->p);
 		pd->tables[index] = pt;
 		v[index] = (page_to_pfn(pt->p) << 12) | pd->pd_mask;
 		pt->index = index;
-		kunmap_atomic((void *) v, KM_USER0);
+		kunmap_atomic((void *) v);
 
 		if (pd->hw_context != -1) {
 			psb_mmu_clflush(pd->driver, (void *) &v[index]);
 			atomic_set(&pd->driver->needs_tlbflush, 1);
 		}
 	}
-	pt->v = kmap_atomic(pt->p, KM_USER0);
+	pt->v = kmap_atomic(pt->p);
 	return pt;
 }
 
@@ -404,7 +404,7 @@ static struct psb_mmu_pt *psb_mmu_pt_map_lock(struct psb_mmu_pd *pd,
 		spin_unlock(lock);
 		return NULL;
 	}
-	pt->v = kmap_atomic(pt->p, KM_USER0);
+	pt->v = kmap_atomic(pt->p);
 	return pt;
 }
 
@@ -413,9 +413,9 @@ static void psb_mmu_pt_unmap_unlock(struct psb_mmu_pt *pt)
 	struct psb_mmu_pd *pd = pt->pd;
 	uint32_t *v;
 
-	kunmap_atomic(pt->v, KM_USER0);
+	kunmap_atomic(pt->v);
 	if (pt->count == 0) {
-		v = kmap_atomic(pd->p, KM_USER0);
+		v = kmap_atomic(pd->p);
 		v[pt->index] = pd->invalid_pde;
 		pd->tables[pt->index] = NULL;
 
@@ -424,7 +424,7 @@ static void psb_mmu_pt_unmap_unlock(struct psb_mmu_pt *pt)
 					(void *) &v[pt->index]);
 			atomic_set(&pd->driver->needs_tlbflush, 1);
 		}
-		kunmap_atomic(pt->v, KM_USER0);
+		kunmap_atomic(pt->v);
 		spin_unlock(&pd->driver->lock);
 		psb_mmu_free_pt(pt);
 		return;
@@ -457,7 +457,7 @@ void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd,
 	down_read(&driver->sem);
 	spin_lock(&driver->lock);
 
-	v = kmap_atomic(pd->p, KM_USER0);
+	v = kmap_atomic(pd->p);
 	v += start;
 
 	while (gtt_pages--) {
@@ -467,7 +467,7 @@ void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd,
 
 	/*ttm_tt_cache_flush(&pd->p, num_pages);*/
 	psb_pages_clflush(pd->driver, &pd->p, num_pages);
-	kunmap_atomic(v, KM_USER0);
+	kunmap_atomic(v);
 	spin_unlock(&driver->lock);
 
 	if (pd->hw_context != -1)
@@ -830,9 +830,9 @@ int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
 		uint32_t *v;
 
 		spin_lock(lock);
-		v = kmap_atomic(pd->p, KM_USER0);
+		v = kmap_atomic(pd->p);
 		tmp = v[psb_mmu_pd_index(virtual)];
-		kunmap_atomic(v, KM_USER0);
+		kunmap_atomic(v);
 		spin_unlock(lock);
 
 		if (tmp != pd->invalid_pde || !(tmp & PSB_PTE_VALID) ||
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 2f75d203a2bf..c10cf5e2443a 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -309,11 +309,11 @@ int ttm_tt_swapin(struct ttm_tt *ttm)
 			goto out_err;
 
 		preempt_disable();
-		from_virtual = kmap_atomic(from_page, KM_USER0);
-		to_virtual = kmap_atomic(to_page, KM_USER1);
+		from_virtual = kmap_atomic(from_page);
+		to_virtual = kmap_atomic(to_page);
 		memcpy(to_virtual, from_virtual, PAGE_SIZE);
-		kunmap_atomic(to_virtual, KM_USER1);
-		kunmap_atomic(from_virtual, KM_USER0);
+		kunmap_atomic(to_virtual);
+		kunmap_atomic(from_virtual);
 		preempt_enable();
 		page_cache_release(from_page);
 	}
@@ -365,11 +365,11 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage)
 			goto out_err;
 		}
 		preempt_disable();
-		from_virtual = kmap_atomic(from_page, KM_USER0);
-		to_virtual = kmap_atomic(to_page, KM_USER1);
+		from_virtual = kmap_atomic(from_page);
+		to_virtual = kmap_atomic(to_page);
 		memcpy(to_virtual, from_virtual, PAGE_SIZE);
-		kunmap_atomic(to_virtual, KM_USER1);
-		kunmap_atomic(from_virtual, KM_USER0);
+		kunmap_atomic(to_virtual);
+		kunmap_atomic(from_virtual);
 		preempt_enable();
 		set_page_dirty(to_page);
 		mark_page_accessed(to_page);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
index f4e7763a7694..51c9ba5cd2fb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmr.c
@@ -136,10 +136,10 @@ static int vmw_gmr_build_descriptors(struct list_head *desc_pages,
 
 		if (likely(page_virtual != NULL)) {
 			desc_virtual->ppn = page_to_pfn(page);
-			kunmap_atomic(page_virtual, KM_USER0);
+			kunmap_atomic(page_virtual);
 		}
 
-		page_virtual = kmap_atomic(page, KM_USER0);
+		page_virtual = kmap_atomic(page);
 		desc_virtual = page_virtual - 1;
 		prev_pfn = ~(0UL);
 
@@ -169,7 +169,7 @@ static int vmw_gmr_build_descriptors(struct list_head *desc_pages,
 	}
 
 	if (likely(page_virtual != NULL))
-		kunmap_atomic(page_virtual, KM_USER0);
+		kunmap_atomic(page_virtual);
 
 	return 0;
 out_err:
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index dad895fec62a..811e6c47e7e6 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -598,11 +598,11 @@ config SENSORS_LM78
 	  will be called lm78.
 
 config SENSORS_LM80
-	tristate "National Semiconductor LM80"
+	tristate "National Semiconductor LM80 and LM96080"
 	depends on I2C
 	help
 	  If you say yes here you get support for National Semiconductor
-	  LM80 sensor chips.
+	  LM80 and LM96080 sensor chips.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called lm80.
@@ -1028,7 +1028,8 @@ config SENSORS_SCH5627
 	select SENSORS_SCH56XX_COMMON
 	help
 	  If you say yes here you get support for the hardware monitoring
-	  features of the SMSC SCH5627 Super-I/O chip.
+	  features of the SMSC SCH5627 Super-I/O chip including support for
+	  the integrated watchdog.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called sch5627.
@@ -1044,7 +1045,8 @@ config SENSORS_SCH5636
 
 	  Currently this driver only supports the Fujitsu Theseus SCH5636 based
 	  hwmon solution. Say yes here if you want support for the Fujitsu
-	  Theseus' hardware monitoring features.
+	  Theseus' hardware monitoring features including support for the
+	  integrated watchdog.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called sch5636.
diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c
index 3b728e8f169b..a72bf25601a4 100644
--- a/drivers/hwmon/abituguru.c
+++ b/drivers/hwmon/abituguru.c
@@ -1,25 +1,25 @@
 /*
-    abituguru.c Copyright (c) 2005-2006 Hans de Goede <hdegoede@redhat.com>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * abituguru.c Copyright (c) 2005-2006 Hans de Goede <hdegoede@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 /*
-    This driver supports the sensor part of the first and second revision of
-    the custom Abit uGuru chip found on Abit uGuru motherboards. Note: because
-    of lack of specs the CPU/RAM voltage & frequency control is not supported!
-*/
+ * This driver supports the sensor part of the first and second revision of
+ * the custom Abit uGuru chip found on Abit uGuru motherboards. Note: because
+ * of lack of specs the CPU/RAM voltage & frequency control is not supported!
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -44,8 +44,10 @@
 #define ABIT_UGURU_SENSOR_BANK2			0x26 /* fans */
 /* max nr of sensors in bank1, a bank1 sensor can be in, temp or nc */
 #define ABIT_UGURU_MAX_BANK1_SENSORS		16
-/* Warning if you increase one of the 2 MAX defines below to 10 or higher you
-   should adjust the belonging _NAMES_LENGTH macro for the 2 digit number! */
+/*
+ * Warning if you increase one of the 2 MAX defines below to 10 or higher you
+ * should adjust the belonging _NAMES_LENGTH macro for the 2 digit number!
+ */
 /* max nr of sensors in bank2, currently mb's with max 6 fans are known */
 #define ABIT_UGURU_MAX_BANK2_SENSORS		6
 /* max nr of pwm outputs, currently mb's with max 5 pwm outputs are known */
@@ -70,16 +72,22 @@
 #define ABIT_UGURU_IN_SENSOR			0
 #define ABIT_UGURU_TEMP_SENSOR			1
 #define ABIT_UGURU_NC				2
-/* In many cases we need to wait for the uGuru to reach a certain status, most
-   of the time it will reach this status within 30 - 90 ISA reads, and thus we
-   can best busy wait. This define gives the total amount of reads to try. */
+/*
+ * In many cases we need to wait for the uGuru to reach a certain status, most
+ * of the time it will reach this status within 30 - 90 ISA reads, and thus we
+ * can best busy wait. This define gives the total amount of reads to try.
+ */
 #define ABIT_UGURU_WAIT_TIMEOUT			125
-/* However sometimes older versions of the uGuru seem to be distracted and they
-   do not respond for a long time. To handle this we sleep before each of the
-   last ABIT_UGURU_WAIT_TIMEOUT_SLEEP tries. */
+/*
+ * However sometimes older versions of the uGuru seem to be distracted and they
+ * do not respond for a long time. To handle this we sleep before each of the
+ * last ABIT_UGURU_WAIT_TIMEOUT_SLEEP tries.
+ */
 #define ABIT_UGURU_WAIT_TIMEOUT_SLEEP		5
-/* Normally all expected status in abituguru_ready, are reported after the
-   first read, but sometimes not and we need to poll. */
+/*
+ * Normally all expected status in abituguru_ready, are reported after the
+ * first read, but sometimes not and we need to poll.
+ */
 #define ABIT_UGURU_READY_TIMEOUT		5
 /* Maximum 3 retries on timedout reads/writes, delay 200 ms before retrying */
 #define ABIT_UGURU_MAX_RETRIES			3
@@ -92,17 +100,25 @@
 	if (level <= verbose)						\
 		printk(KERN_DEBUG ABIT_UGURU_NAME ": "	format , ## arg)
 /* Macros to help calculate the sysfs_names array length */
-/* sum of strlen of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0,
-   in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0 */
+/*
+ * sum of strlen of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0,
+ * in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0
+ */
 #define ABITUGURU_IN_NAMES_LENGTH	(11 + 2 * 9 + 2 * 15 + 2 * 22 + 10 + 14)
-/* sum of strlen of: temp??_input\0, temp??_max\0, temp??_crit\0,
-   temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0 */
+/*
+ * sum of strlen of: temp??_input\0, temp??_max\0, temp??_crit\0,
+ * temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0
+ */
 #define ABITUGURU_TEMP_NAMES_LENGTH	(13 + 11 + 12 + 13 + 20 + 12 + 16)
-/* sum of strlen of: fan?_input\0, fan?_min\0, fan?_alarm\0,
-   fan?_alarm_enable\0, fan?_beep\0, fan?_shutdown\0 */
+/*
+ * sum of strlen of: fan?_input\0, fan?_min\0, fan?_alarm\0,
+ * fan?_alarm_enable\0, fan?_beep\0, fan?_shutdown\0
+ */
 #define ABITUGURU_FAN_NAMES_LENGTH	(11 + 9 + 11 + 18 + 10 + 14)
-/* sum of strlen of: pwm?_enable\0, pwm?_auto_channels_temp\0,
-   pwm?_auto_point{1,2}_pwm\0, pwm?_auto_point{1,2}_temp\0 */
+/*
+ * sum of strlen of: pwm?_enable\0, pwm?_auto_channels_temp\0,
+ * pwm?_auto_point{1,2}_pwm\0, pwm?_auto_point{1,2}_temp\0
+ */
 #define ABITUGURU_PWM_NAMES_LENGTH	(12 + 24 + 2 * 21 + 2 * 22)
 /* IN_NAMES_LENGTH > TEMP_NAMES_LENGTH so assume all bank1 sensors are in */
 #define ABITUGURU_SYSFS_NAMES_LENGTH	( \
@@ -110,10 +126,12 @@
 	ABIT_UGURU_MAX_BANK2_SENSORS * ABITUGURU_FAN_NAMES_LENGTH + \
 	ABIT_UGURU_MAX_PWMS * ABITUGURU_PWM_NAMES_LENGTH)
 
-/* All the macros below are named identical to the oguru and oguru2 programs
-   reverse engineered by Olle Sandberg, hence the names might not be 100%
-   logical. I could come up with better names, but I prefer keeping the names
-   identical so that this driver can be compared with his work more easily. */
+/*
+ * All the macros below are named identical to the oguru and oguru2 programs
+ * reverse engineered by Olle Sandberg, hence the names might not be 100%
+ * logical. I could come up with better names, but I prefer keeping the names
+ * identical so that this driver can be compared with his work more easily.
+ */
 /* Two i/o-ports are used by uGuru */
 #define ABIT_UGURU_BASE				0x00E0
 /* Used to tell uGuru what to read and to read the actual data */
@@ -130,16 +148,22 @@
 /* Constants */
 /* in (Volt) sensors go up to 3494 mV, temp to 255000 millidegrees Celsius */
 static const int abituguru_bank1_max_value[2] = { 3494, 255000 };
-/* Min / Max allowed values for sensor2 (fan) alarm threshold, these values
-   correspond to 300-3000 RPM */
+/*
+ * Min / Max allowed values for sensor2 (fan) alarm threshold, these values
+ * correspond to 300-3000 RPM
+ */
 static const u8 abituguru_bank2_min_threshold = 5;
 static const u8 abituguru_bank2_max_threshold = 50;
-/* Register 0 is a bitfield, 1 and 2 are pwm settings (255 = 100%), 3 and 4
-   are temperature trip points. */
+/*
+ * Register 0 is a bitfield, 1 and 2 are pwm settings (255 = 100%), 3 and 4
+ * are temperature trip points.
+ */
 static const int abituguru_pwm_settings_multiplier[5] = { 0, 1, 1, 1000, 1000 };
-/* Min / Max allowed values for pwm_settings. Note: pwm1 (CPU fan) is a
-   special case the minium allowed pwm% setting for this is 30% (77) on
-   some MB's this special case is handled in the code! */
+/*
+ * Min / Max allowed values for pwm_settings. Note: pwm1 (CPU fan) is a
+ * special case the minium allowed pwm% setting for this is 30% (77) on
+ * some MB's this special case is handled in the code!
+ */
 static const u8 abituguru_pwm_min[5] = { 0, 170, 170, 25, 25 };
 static const u8 abituguru_pwm_max[5] = { 0, 255, 255, 75, 75 };
 
@@ -175,23 +199,29 @@ MODULE_PARM_DESC(verbose, "How verbose should the driver be? (0-3):\n"
 	"   3 + retryable error reporting");
 
 
-/* For the Abit uGuru, we need to keep some data in memory.
-   The structure is dynamically allocated, at the same time when a new
-   abituguru device is allocated. */
+/*
+ * For the Abit uGuru, we need to keep some data in memory.
+ * The structure is dynamically allocated, at the same time when a new
+ * abituguru device is allocated.
+ */
 struct abituguru_data {
 	struct device *hwmon_dev;	/* hwmon registered device */
 	struct mutex update_lock;	/* protect access to data and uGuru */
 	unsigned long last_updated;	/* In jiffies */
 	unsigned short addr;		/* uguru base address */
 	char uguru_ready;		/* is the uguru in ready state? */
-	unsigned char update_timeouts;	/* number of update timeouts since last
-					   successful update */
-
-	/* The sysfs attr and their names are generated automatically, for bank1
-	   we cannot use a predefined array because we don't know beforehand
-	   of a sensor is a volt or a temp sensor, for bank2 and the pwms its
-	   easier todo things the same way.  For in sensors we have 9 (temp 7)
-	   sysfs entries per sensor, for bank2 and pwms 6. */
+	unsigned char update_timeouts;	/*
+					 * number of update timeouts since last
+					 * successful update
+					 */
+
+	/*
+	 * The sysfs attr and their names are generated automatically, for bank1
+	 * we cannot use a predefined array because we don't know beforehand
+	 * of a sensor is a volt or a temp sensor, for bank2 and the pwms its
+	 * easier todo things the same way.  For in sensors we have 9 (temp 7)
+	 * sysfs entries per sensor, for bank2 and pwms 6.
+	 */
 	struct sensor_device_attribute_2 sysfs_attr[
 		ABIT_UGURU_MAX_BANK1_SENSORS * 9 +
 		ABIT_UGURU_MAX_BANK2_SENSORS * 6 + ABIT_UGURU_MAX_PWMS * 6];
@@ -203,11 +233,15 @@ struct abituguru_data {
 	u8 bank1_sensors[2];
 	u8 bank1_address[2][ABIT_UGURU_MAX_BANK1_SENSORS];
 	u8 bank1_value[ABIT_UGURU_MAX_BANK1_SENSORS];
-	/* This array holds 3 entries per sensor for the bank 1 sensor settings
-	   (flags, min, max for voltage / flags, warn, shutdown for temp). */
+	/*
+	 * This array holds 3 entries per sensor for the bank 1 sensor settings
+	 * (flags, min, max for voltage / flags, warn, shutdown for temp).
+	 */
 	u8 bank1_settings[ABIT_UGURU_MAX_BANK1_SENSORS][3];
-	/* Maximum value for each sensor used for scaling in mV/millidegrees
-	   Celsius. */
+	/*
+	 * Maximum value for each sensor used for scaling in mV/millidegrees
+	 * Celsius.
+	 */
 	int bank1_max_value[ABIT_UGURU_MAX_BANK1_SENSORS];
 
 	/* Bank 2 data, ABIT_UGURU_MAX_BANK2_SENSORS entries for bank2 */
@@ -236,8 +270,10 @@ static int abituguru_wait(struct abituguru_data *data, u8 state)
 		timeout--;
 		if (timeout == 0)
 			return -EBUSY;
-		/* sleep a bit before our last few tries, see the comment on
-		   this where ABIT_UGURU_WAIT_TIMEOUT_SLEEP is defined. */
+		/*
+		 * sleep a bit before our last few tries, see the comment on
+		 * this where ABIT_UGURU_WAIT_TIMEOUT_SLEEP is defined.
+		 */
 		if (timeout <= ABIT_UGURU_WAIT_TIMEOUT_SLEEP)
 			msleep(0);
 	}
@@ -273,8 +309,10 @@ static int abituguru_ready(struct abituguru_data *data)
 		msleep(0);
 	}
 
-	/* After this the ABIT_UGURU_DATA port should contain
-	   ABIT_UGURU_STATUS_INPUT */
+	/*
+	 * After this the ABIT_UGURU_DATA port should contain
+	 * ABIT_UGURU_STATUS_INPUT
+	 */
 	timeout = ABIT_UGURU_READY_TIMEOUT;
 	while (inb_p(data->addr + ABIT_UGURU_DATA) != ABIT_UGURU_STATUS_INPUT) {
 		timeout--;
@@ -290,27 +328,35 @@ static int abituguru_ready(struct abituguru_data *data)
 	return 0;
 }
 
-/* Send the bank and then sensor address to the uGuru for the next read/write
-   cycle. This function gets called as the first part of a read/write by
-   abituguru_read and abituguru_write. This function should never be
-   called by any other function. */
+/*
+ * Send the bank and then sensor address to the uGuru for the next read/write
+ * cycle. This function gets called as the first part of a read/write by
+ * abituguru_read and abituguru_write. This function should never be
+ * called by any other function.
+ */
 static int abituguru_send_address(struct abituguru_data *data,
 	u8 bank_addr, u8 sensor_addr, int retries)
 {
-	/* assume the caller does error handling itself if it has not requested
-	   any retries, and thus be quiet. */
+	/*
+	 * assume the caller does error handling itself if it has not requested
+	 * any retries, and thus be quiet.
+	 */
 	int report_errors = retries;
 
 	for (;;) {
-		/* Make sure the uguru is ready and then send the bank address,
-		   after this the uguru is no longer "ready". */
+		/*
+		 * Make sure the uguru is ready and then send the bank address,
+		 * after this the uguru is no longer "ready".
+		 */
 		if (abituguru_ready(data) != 0)
 			return -EIO;
 		outb(bank_addr, data->addr + ABIT_UGURU_DATA);
 		data->uguru_ready = 0;
 
-		/* Wait till the uguru is ABIT_UGURU_STATUS_INPUT state again
-		   and send the sensor addr */
+		/*
+		 * Wait till the uguru is ABIT_UGURU_STATUS_INPUT state again
+		 * and send the sensor addr
+		 */
 		if (abituguru_wait(data, ABIT_UGURU_STATUS_INPUT)) {
 			if (retries) {
 				ABIT_UGURU_DEBUG(3, "timeout exceeded "
@@ -332,8 +378,10 @@ static int abituguru_send_address(struct abituguru_data *data,
 	}
 }
 
-/* Read count bytes from sensor sensor_addr in bank bank_addr and store the
-   result in buf, retry the send address part of the read retries times. */
+/*
+ * Read count bytes from sensor sensor_addr in bank bank_addr and store the
+ * result in buf, retry the send address part of the read retries times.
+ */
 static int abituguru_read(struct abituguru_data *data,
 	u8 bank_addr, u8 sensor_addr, u8 *buf, int count, int retries)
 {
@@ -362,13 +410,17 @@ static int abituguru_read(struct abituguru_data *data,
 	return i;
 }
 
-/* Write count bytes from buf to sensor sensor_addr in bank bank_addr, the send
-   address part of the write is always retried ABIT_UGURU_MAX_RETRIES times. */
+/*
+ * Write count bytes from buf to sensor sensor_addr in bank bank_addr, the send
+ * address part of the write is always retried ABIT_UGURU_MAX_RETRIES times.
+ */
 static int abituguru_write(struct abituguru_data *data,
 	u8 bank_addr, u8 sensor_addr, u8 *buf, int count)
 {
-	/* We use the ready timeout as we have to wait for 0xAC just like the
-	   ready function */
+	/*
+	 * We use the ready timeout as we have to wait for 0xAC just like the
+	 * ready function
+	 */
 	int i, timeout = ABIT_UGURU_READY_TIMEOUT;
 
 	/* Send the address */
@@ -388,9 +440,11 @@ static int abituguru_write(struct abituguru_data *data,
 		outb(buf[i], data->addr + ABIT_UGURU_CMD);
 	}
 
-	/* Now we need to wait till the chip is ready to be read again,
-	   so that we can read 0xAC as confirmation that our write has
-	   succeeded. */
+	/*
+	 * Now we need to wait till the chip is ready to be read again,
+	 * so that we can read 0xAC as confirmation that our write has
+	 * succeeded.
+	 */
 	if (abituguru_wait(data, ABIT_UGURU_STATUS_READ)) {
 		ABIT_UGURU_DEBUG(1, "timeout exceeded waiting for read state "
 			"after write (bank: %d, sensor: %d)\n", (int)bank_addr,
@@ -416,12 +470,14 @@ static int abituguru_write(struct abituguru_data *data,
 	return i;
 }
 
-/* Detect sensor type. Temp and Volt sensors are enabled with
-   different masks and will ignore enable masks not meant for them.
-   This enables us to test what kind of sensor we're dealing with.
-   By setting the alarm thresholds so that we will always get an
-   alarm for sensor type X and then enabling the sensor as sensor type
-   X, if we then get an alarm it is a sensor of type X. */
+/*
+ * Detect sensor type. Temp and Volt sensors are enabled with
+ * different masks and will ignore enable masks not meant for them.
+ * This enables us to test what kind of sensor we're dealing with.
+ * By setting the alarm thresholds so that we will always get an
+ * alarm for sensor type X and then enabling the sensor as sensor type
+ * X, if we then get an alarm it is a sensor of type X.
+ */
 static int __devinit
 abituguru_detect_bank1_sensor_type(struct abituguru_data *data,
 				   u8 sensor_addr)
@@ -448,16 +504,20 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data,
 		pr_warn("bank1-sensor: %d reading (%d) too close to limits, "
 			"unable to determine sensor type, skipping sensor\n",
 			(int)sensor_addr, (int)val);
-		/* assume no sensor is there for sensors for which we can't
-		   determine the sensor type because their reading is too close
-		   to their limits, this usually means no sensor is there. */
+		/*
+		 * assume no sensor is there for sensors for which we can't
+		 * determine the sensor type because their reading is too close
+		 * to their limits, this usually means no sensor is there.
+		 */
 		return ABIT_UGURU_NC;
 	}
 
 	ABIT_UGURU_DEBUG(2, "testing bank1 sensor %d\n", (int)sensor_addr);
-	/* Volt sensor test, enable volt low alarm, set min value ridicously
-	   high, or vica versa if the reading is very high. If its a volt
-	   sensor this should always give us an alarm. */
+	/*
+	 * Volt sensor test, enable volt low alarm, set min value ridicously
+	 * high, or vica versa if the reading is very high. If its a volt
+	 * sensor this should always give us an alarm.
+	 */
 	if (val <= 240u) {
 		buf[0] = ABIT_UGURU_VOLT_LOW_ALARM_ENABLE;
 		buf[1] = 245;
@@ -473,8 +533,10 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data,
 	if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2, sensor_addr,
 			buf, 3) != 3)
 		goto abituguru_detect_bank1_sensor_type_exit;
-	/* Now we need 20 ms to give the uguru time to read the sensors
-	   and raise a voltage alarm */
+	/*
+	 * Now we need 20 ms to give the uguru time to read the sensors
+	 * and raise a voltage alarm
+	 */
 	set_current_state(TASK_UNINTERRUPTIBLE);
 	schedule_timeout(HZ/50);
 	/* Check for alarm and check the alarm is a volt low alarm. */
@@ -497,17 +559,21 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data,
 		ABIT_UGURU_DEBUG(2, "  alarm not raised during volt sensor "
 			"test\n");
 
-	/* Temp sensor test, enable sensor as a temp sensor, set beep value
-	   ridicously low (but not too low, otherwise uguru ignores it).
-	   If its a temp sensor this should always give us an alarm. */
+	/*
+	 * Temp sensor test, enable sensor as a temp sensor, set beep value
+	 * ridicously low (but not too low, otherwise uguru ignores it).
+	 * If its a temp sensor this should always give us an alarm.
+	 */
 	buf[0] = ABIT_UGURU_TEMP_HIGH_ALARM_ENABLE;
 	buf[1] = 5;
 	buf[2] = 10;
 	if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2, sensor_addr,
 			buf, 3) != 3)
 		goto abituguru_detect_bank1_sensor_type_exit;
-	/* Now we need 50 ms to give the uguru time to read the sensors
-	   and raise a temp alarm */
+	/*
+	 * Now we need 50 ms to give the uguru time to read the sensors
+	 * and raise a temp alarm
+	 */
 	set_current_state(TASK_UNINTERRUPTIBLE);
 	schedule_timeout(HZ/20);
 	/* Check for alarm and check the alarm is a temp high alarm. */
@@ -532,9 +598,11 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data,
 
 	ret = ABIT_UGURU_NC;
 abituguru_detect_bank1_sensor_type_exit:
-	/* Restore original settings, failing here is really BAD, it has been
-	   reported that some BIOS-es hang when entering the uGuru menu with
-	   invalid settings present in the uGuru, so we try this 3 times. */
+	/*
+	 * Restore original settings, failing here is really BAD, it has been
+	 * reported that some BIOS-es hang when entering the uGuru menu with
+	 * invalid settings present in the uGuru, so we try this 3 times.
+	 */
 	for (i = 0; i < 3; i++)
 		if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2,
 				sensor_addr, data->bank1_settings[sensor_addr],
@@ -548,23 +616,25 @@ abituguru_detect_bank1_sensor_type_exit:
 	return ret;
 }
 
-/* These functions try to find out how many sensors there are in bank2 and how
-   many pwms there are. The purpose of this is to make sure that we don't give
-   the user the possibility to change settings for non-existent sensors / pwm.
-   The uGuru will happily read / write whatever memory happens to be after the
-   memory storing the PWM settings when reading/writing to a PWM which is not
-   there. Notice even if we detect a PWM which doesn't exist we normally won't
-   write to it, unless the user tries to change the settings.
-
-   Although the uGuru allows reading (settings) from non existing bank2
-   sensors, my version of the uGuru does seem to stop writing to them, the
-   write function above aborts in this case with:
-   "CMD reg does not hold 0xAC after write"
-
-   Notice these 2 tests are non destructive iow read-only tests, otherwise
-   they would defeat their purpose. Although for the bank2_sensors detection a
-   read/write test would be feasible because of the reaction above, I've
-   however opted to stay on the safe side. */
+/*
+ * These functions try to find out how many sensors there are in bank2 and how
+ * many pwms there are. The purpose of this is to make sure that we don't give
+ * the user the possibility to change settings for non-existent sensors / pwm.
+ * The uGuru will happily read / write whatever memory happens to be after the
+ * memory storing the PWM settings when reading/writing to a PWM which is not
+ * there. Notice even if we detect a PWM which doesn't exist we normally won't
+ * write to it, unless the user tries to change the settings.
+ *
+ * Although the uGuru allows reading (settings) from non existing bank2
+ * sensors, my version of the uGuru does seem to stop writing to them, the
+ * write function above aborts in this case with:
+ * "CMD reg does not hold 0xAC after write"
+ *
+ * Notice these 2 tests are non destructive iow read-only tests, otherwise
+ * they would defeat their purpose. Although for the bank2_sensors detection a
+ * read/write test would be feasible because of the reaction above, I've
+ * however opted to stay on the safe side.
+ */
 static void __devinit
 abituguru_detect_no_bank2_sensors(struct abituguru_data *data)
 {
@@ -580,12 +650,14 @@ abituguru_detect_no_bank2_sensors(struct abituguru_data *data)
 
 	ABIT_UGURU_DEBUG(2, "detecting number of fan sensors\n");
 	for (i = 0; i < ABIT_UGURU_MAX_BANK2_SENSORS; i++) {
-		/* 0x89 are the known used bits:
-		   -0x80 enable shutdown
-		   -0x08 enable beep
-		   -0x01 enable alarm
-		   All other bits should be 0, but on some motherboards
-		   0x40 (bit 6) is also high for some of the fans?? */
+		/*
+		 * 0x89 are the known used bits:
+		 * -0x80 enable shutdown
+		 * -0x08 enable beep
+		 * -0x01 enable alarm
+		 * All other bits should be 0, but on some motherboards
+		 * 0x40 (bit 6) is also high for some of the fans??
+		 */
 		if (data->bank2_settings[i][0] & ~0xC9) {
 			ABIT_UGURU_DEBUG(2, "  bank2 sensor %d does not seem "
 				"to be a fan sensor: settings[0] = %02X\n",
@@ -633,9 +705,11 @@ abituguru_detect_no_pwms(struct abituguru_data *data)
 
 	ABIT_UGURU_DEBUG(2, "detecting number of PWM outputs\n");
 	for (i = 0; i < ABIT_UGURU_MAX_PWMS; i++) {
-		/* 0x80 is the enable bit and the low
-		   nibble is which temp sensor to use,
-		   the other bits should be 0 */
+		/*
+		 * 0x80 is the enable bit and the low
+		 * nibble is which temp sensor to use,
+		 * the other bits should be 0
+		 */
 		if (data->pwm_settings[i][0] & ~0x8F) {
 			ABIT_UGURU_DEBUG(2, "  pwm channel %d does not seem "
 				"to be a pwm channel: settings[0] = %02X\n",
@@ -643,8 +717,10 @@ abituguru_detect_no_pwms(struct abituguru_data *data)
 			break;
 		}
 
-		/* the low nibble must correspond to one of the temp sensors
-		   we've found */
+		/*
+		 * the low nibble must correspond to one of the temp sensors
+		 * we've found
+		 */
 		for (j = 0; j < data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR];
 				j++) {
 			if (data->bank1_address[ABIT_UGURU_TEMP_SENSOR][j] ==
@@ -711,9 +787,11 @@ abituguru_detect_no_pwms_exit:
 	ABIT_UGURU_DEBUG(2, " found: %d PWM outputs\n", (int)data->pwms);
 }
 
-/* Following are the sysfs callback functions. These functions expect:
-   sensor_device_attribute_2->index:   sensor address/offset in the bank
-   sensor_device_attribute_2->nr:      register offset, bitmask or NA. */
+/*
+ * Following are the sysfs callback functions. These functions expect:
+ * sensor_device_attribute_2->index:   sensor address/offset in the bank
+ * sensor_device_attribute_2->nr:      register offset, bitmask or NA.
+ */
 static struct abituguru_data *abituguru_update_device(struct device *dev);
 
 static ssize_t show_bank1_value(struct device *dev,
@@ -763,10 +841,18 @@ static ssize_t store_bank1_setting(struct device *dev, struct device_attribute
 {
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
 	struct abituguru_data *data = dev_get_drvdata(dev);
-	u8 val = (simple_strtoul(buf, NULL, 10) * 255 +
-		data->bank1_max_value[attr->index]/2) /
+	unsigned long val;
+	ssize_t ret;
+
+	ret = kstrtoul(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	ret = count;
+	val = (val * 255 + data->bank1_max_value[attr->index] / 2) /
 		data->bank1_max_value[attr->index];
-	ssize_t ret = count;
+	if (val > 255)
+		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
 	if (data->bank1_settings[attr->index][attr->nr] != val) {
@@ -788,13 +874,19 @@ static ssize_t store_bank2_setting(struct device *dev, struct device_attribute
 {
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
 	struct abituguru_data *data = dev_get_drvdata(dev);
-	u8 val = (simple_strtoul(buf, NULL, 10)*255 + ABIT_UGURU_FAN_MAX/2) /
-		ABIT_UGURU_FAN_MAX;
-	ssize_t ret = count;
+	unsigned long val;
+	ssize_t ret;
+
+	ret = kstrtoul(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	ret = count;
+	val = (val * 255 + ABIT_UGURU_FAN_MAX / 2) / ABIT_UGURU_FAN_MAX;
 
 	/* this check can be done before taking the lock */
-	if ((val < abituguru_bank2_min_threshold) ||
-			(val > abituguru_bank2_max_threshold))
+	if (val < abituguru_bank2_min_threshold ||
+			val > abituguru_bank2_max_threshold)
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
@@ -819,11 +911,13 @@ static ssize_t show_bank1_alarm(struct device *dev,
 	struct abituguru_data *data = abituguru_update_device(dev);
 	if (!data)
 		return -EIO;
-	/* See if the alarm bit for this sensor is set, and if the
-	   alarm matches the type of alarm we're looking for (for volt
-	   it can be either low or high). The type is stored in a few
-	   readonly bits in the settings part of the relevant sensor.
-	   The bitmask of the type is passed to us in attr->nr. */
+	/*
+	 * See if the alarm bit for this sensor is set, and if the
+	 * alarm matches the type of alarm we're looking for (for volt
+	 * it can be either low or high). The type is stored in a few
+	 * readonly bits in the settings part of the relevant sensor.
+	 * The bitmask of the type is passed to us in attr->nr.
+	 */
 	if ((data->alarms[attr->index / 8] & (0x01 << (attr->index % 8))) &&
 			(data->bank1_settings[attr->index][0] & attr->nr))
 		return sprintf(buf, "1\n");
@@ -871,10 +965,15 @@ static ssize_t store_bank1_mask(struct device *dev,
 {
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
 	struct abituguru_data *data = dev_get_drvdata(dev);
-	int mask = simple_strtoul(buf, NULL, 10);
-	ssize_t ret = count;
+	ssize_t ret;
 	u8 orig_val;
+	unsigned long mask;
+
+	ret = kstrtoul(buf, 10, &mask);
+	if (ret)
+		return ret;
 
+	ret = count;
 	mutex_lock(&data->update_lock);
 	orig_val = data->bank1_settings[attr->index][0];
 
@@ -899,10 +998,15 @@ static ssize_t store_bank2_mask(struct device *dev,
 {
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
 	struct abituguru_data *data = dev_get_drvdata(dev);
-	int mask = simple_strtoul(buf, NULL, 10);
-	ssize_t ret = count;
+	ssize_t ret;
 	u8 orig_val;
+	unsigned long mask;
 
+	ret = kstrtoul(buf, 10, &mask);
+	if (ret)
+		return ret;
+
+	ret = count;
 	mutex_lock(&data->update_lock);
 	orig_val = data->bank2_settings[attr->index][0];
 
@@ -937,10 +1041,17 @@ static ssize_t store_pwm_setting(struct device *dev, struct device_attribute
 {
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
 	struct abituguru_data *data = dev_get_drvdata(dev);
-	u8 min, val = (simple_strtoul(buf, NULL, 10) +
-		abituguru_pwm_settings_multiplier[attr->nr]/2) /
-		abituguru_pwm_settings_multiplier[attr->nr];
-	ssize_t ret = count;
+	u8 min;
+	unsigned long val;
+	ssize_t ret;
+
+	ret = kstrtoul(buf, 10, &val);
+	if (ret)
+		return ret;
+
+	ret = count;
+	val = (val + abituguru_pwm_settings_multiplier[attr->nr] / 2) /
+				abituguru_pwm_settings_multiplier[attr->nr];
 
 	/* special case pwm1 min pwm% */
 	if ((attr->index == 0) && ((attr->nr == 1) || (attr->nr == 2)))
@@ -949,7 +1060,7 @@ static ssize_t store_pwm_setting(struct device *dev, struct device_attribute
 		min = abituguru_pwm_min[attr->nr];
 
 	/* this check can be done before taking the lock */
-	if ((val < min) || (val > abituguru_pwm_max[attr->nr]))
+	if (val < min || val > abituguru_pwm_max[attr->nr])
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
@@ -981,8 +1092,10 @@ static ssize_t show_pwm_sensor(struct device *dev,
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
 	struct abituguru_data *data = dev_get_drvdata(dev);
 	int i;
-	/* We need to walk to the temp sensor addresses to find what
-	   the userspace id of the configured temp sensor is. */
+	/*
+	 * We need to walk to the temp sensor addresses to find what
+	 * the userspace id of the configured temp sensor is.
+	 */
 	for (i = 0; i < data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR]; i++)
 		if (data->bank1_address[ABIT_UGURU_TEMP_SENSOR][i] ==
 				(data->pwm_settings[attr->index][0] & 0x0F))
@@ -996,27 +1109,32 @@ static ssize_t store_pwm_sensor(struct device *dev, struct device_attribute
 {
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
 	struct abituguru_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10) - 1;
-	ssize_t ret = count;
+	ssize_t ret;
+	unsigned long val;
+	u8 orig_val;
+	u8 address;
+
+	ret = kstrtoul(buf, 10, &val);
+	if (ret)
+		return ret;
 
+	if (val == 0 || val > data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR])
+		return -EINVAL;
+
+	val -= 1;
+	ret = count;
 	mutex_lock(&data->update_lock);
-	if (val < data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR]) {
-		u8 orig_val = data->pwm_settings[attr->index][0];
-		u8 address = data->bank1_address[ABIT_UGURU_TEMP_SENSOR][val];
-		data->pwm_settings[attr->index][0] &= 0xF0;
-		data->pwm_settings[attr->index][0] |= address;
-		if (data->pwm_settings[attr->index][0] != orig_val) {
-			if (abituguru_write(data, ABIT_UGURU_FAN_PWM + 1,
-					attr->index,
-					data->pwm_settings[attr->index],
-					5) < 1) {
-				data->pwm_settings[attr->index][0] = orig_val;
-				ret = -EIO;
-			}
+	orig_val = data->pwm_settings[attr->index][0];
+	address = data->bank1_address[ABIT_UGURU_TEMP_SENSOR][val];
+	data->pwm_settings[attr->index][0] &= 0xF0;
+	data->pwm_settings[attr->index][0] |= address;
+	if (data->pwm_settings[attr->index][0] != orig_val) {
+		if (abituguru_write(data, ABIT_UGURU_FAN_PWM + 1, attr->index,
+				    data->pwm_settings[attr->index], 5) < 1) {
+			data->pwm_settings[attr->index][0] = orig_val;
+			ret = -EIO;
 		}
 	}
-	else
-		ret = -EINVAL;
 	mutex_unlock(&data->update_lock);
 	return ret;
 }
@@ -1037,22 +1155,27 @@ static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
 {
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
 	struct abituguru_data *data = dev_get_drvdata(dev);
-	u8 orig_val, user_val = simple_strtoul(buf, NULL, 10);
-	ssize_t ret = count;
+	u8 orig_val;
+	ssize_t ret;
+	unsigned long user_val;
+
+	ret = kstrtoul(buf, 10, &user_val);
+	if (ret)
+		return ret;
 
+	ret = count;
 	mutex_lock(&data->update_lock);
 	orig_val = data->pwm_settings[attr->index][0];
 	switch (user_val) {
-		case 0:
-			data->pwm_settings[attr->index][0] &=
-				~ABIT_UGURU_FAN_PWM_ENABLE;
-			break;
-		case 2:
-			data->pwm_settings[attr->index][0] |=
-				ABIT_UGURU_FAN_PWM_ENABLE;
-			break;
-		default:
-			ret = -EINVAL;
+	case 0:
+		data->pwm_settings[attr->index][0] &=
+			~ABIT_UGURU_FAN_PWM_ENABLE;
+		break;
+	case 2:
+		data->pwm_settings[attr->index][0] |= ABIT_UGURU_FAN_PWM_ENABLE;
+		break;
+	default:
+		ret = -EINVAL;
 	}
 	if ((data->pwm_settings[attr->index][0] != orig_val) &&
 			(abituguru_write(data, ABIT_UGURU_FAN_PWM + 1,
@@ -1147,13 +1270,16 @@ static int __devinit abituguru_probe(struct platform_device *pdev)
 	int i, j, used, sysfs_names_free, sysfs_attr_i, res = -ENODEV;
 	char *sysfs_filename;
 
-	/* El weirdo probe order, to keep the sysfs order identical to the
-	   BIOS and window-appliction listing order. */
+	/*
+	 * El weirdo probe order, to keep the sysfs order identical to the
+	 * BIOS and window-appliction listing order.
+	 */
 	const u8 probe_order[ABIT_UGURU_MAX_BANK1_SENSORS] = {
 		0x00, 0x01, 0x03, 0x04, 0x0A, 0x08, 0x0E, 0x02,
 		0x09, 0x06, 0x05, 0x0B, 0x0F, 0x0D, 0x07, 0x0C };
 
-	if (!(data = kzalloc(sizeof(struct abituguru_data), GFP_KERNEL)))
+	data = kzalloc(sizeof(struct abituguru_data), GFP_KERNEL);
+	if (!data)
 		return -ENOMEM;
 
 	data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
@@ -1164,9 +1290,11 @@ static int __devinit abituguru_probe(struct platform_device *pdev)
 	if (inb_p(data->addr + ABIT_UGURU_DATA) == ABIT_UGURU_STATUS_INPUT)
 		data->uguru_ready = 1;
 
-	/* Completely read the uGuru this has 2 purposes:
-	   - testread / see if one really is there.
-	   - make an in memory copy of all the uguru settings for future use. */
+	/*
+	 * Completely read the uGuru this has 2 purposes:
+	 * - testread / see if one really is there.
+	 * - make an in memory copy of all the uguru settings for future use.
+	 */
 	if (abituguru_read(data, ABIT_UGURU_ALARM_BANK, 0,
 			data->alarms, 3, ABIT_UGURU_MAX_RETRIES) != 3)
 		goto abituguru_probe_error;
@@ -1181,11 +1309,13 @@ static int __devinit abituguru_probe(struct platform_device *pdev)
 				ABIT_UGURU_MAX_RETRIES) != 3)
 			goto abituguru_probe_error;
 	}
-	/* Note: We don't know how many bank2 sensors / pwms there really are,
-	   but in order to "detect" this we need to read the maximum amount
-	   anyways. If we read sensors/pwms not there we'll just read crap
-	   this can't hurt. We need the detection because we don't want
-	   unwanted writes, which will hurt! */
+	/*
+	 * Note: We don't know how many bank2 sensors / pwms there really are,
+	 * but in order to "detect" this we need to read the maximum amount
+	 * anyways. If we read sensors/pwms not there we'll just read crap
+	 * this can't hurt. We need the detection because we don't want
+	 * unwanted writes, which will hurt!
+	 */
 	for (i = 0; i < ABIT_UGURU_MAX_BANK2_SENSORS; i++) {
 		if (abituguru_read(data, ABIT_UGURU_SENSOR_BANK2, i,
 				&data->bank2_value[i], 1,
@@ -1332,24 +1462,26 @@ static struct abituguru_data *abituguru_update_device(struct device *dev)
 	mutex_lock(&data->update_lock);
 	if (time_after(jiffies, data->last_updated + HZ)) {
 		success = 0;
-		if ((err = abituguru_read(data, ABIT_UGURU_ALARM_BANK, 0,
-				data->alarms, 3, 0)) != 3)
+		err = abituguru_read(data, ABIT_UGURU_ALARM_BANK, 0,
+				     data->alarms, 3, 0);
+		if (err != 3)
 			goto LEAVE_UPDATE;
 		for (i = 0; i < ABIT_UGURU_MAX_BANK1_SENSORS; i++) {
-			if ((err = abituguru_read(data,
-					ABIT_UGURU_SENSOR_BANK1, i,
-					&data->bank1_value[i], 1, 0)) != 1)
+			err = abituguru_read(data, ABIT_UGURU_SENSOR_BANK1,
+					     i, &data->bank1_value[i], 1, 0);
+			if (err != 1)
 				goto LEAVE_UPDATE;
-			if ((err = abituguru_read(data,
-					ABIT_UGURU_SENSOR_BANK1 + 1, i,
-					data->bank1_settings[i], 3, 0)) != 3)
+			err = abituguru_read(data, ABIT_UGURU_SENSOR_BANK1 + 1,
+					     i, data->bank1_settings[i], 3, 0);
+			if (err != 3)
 				goto LEAVE_UPDATE;
 		}
-		for (i = 0; i < data->bank2_sensors; i++)
-			if ((err = abituguru_read(data,
-					ABIT_UGURU_SENSOR_BANK2, i,
-					&data->bank2_value[i], 1, 0)) != 1)
+		for (i = 0; i < data->bank2_sensors; i++) {
+			err = abituguru_read(data, ABIT_UGURU_SENSOR_BANK2, i,
+					     &data->bank2_value[i], 1, 0);
+			if (err != 1)
 				goto LEAVE_UPDATE;
+		}
 		/* success! */
 		success = 1;
 		data->update_timeouts = 0;
@@ -1385,8 +1517,10 @@ LEAVE_UPDATE:
 static int abituguru_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	struct abituguru_data *data = platform_get_drvdata(pdev);
-	/* make sure all communications with the uguru are done and no new
-	   ones are started */
+	/*
+	 * make sure all communications with the uguru are done and no new
+	 * ones are started
+	 */
 	mutex_lock(&data->update_lock);
 	return 0;
 }
@@ -1418,12 +1552,14 @@ static struct platform_driver abituguru_driver = {
 
 static int __init abituguru_detect(void)
 {
-	/* See if there is an uguru there. After a reboot uGuru will hold 0x00
-	   at DATA and 0xAC, when this driver has already been loaded once
-	   DATA will hold 0x08. For most uGuru's CMD will hold 0xAC in either
-	   scenario but some will hold 0x00.
-	   Some uGuru's initially hold 0x09 at DATA and will only hold 0x08
-	   after reading CMD first, so CMD must be read first! */
+	/*
+	 * See if there is an uguru there. After a reboot uGuru will hold 0x00
+	 * at DATA and 0xAC, when this driver has already been loaded once
+	 * DATA will hold 0x08. For most uGuru's CMD will hold 0xAC in either
+	 * scenario but some will hold 0x00.
+	 * Some uGuru's initially hold 0x09 at DATA and will only hold 0x08
+	 * after reading CMD first, so CMD must be read first!
+	 */
 	u8 cmd_val = inb_p(ABIT_UGURU_BASE + ABIT_UGURU_CMD);
 	u8 data_val = inb_p(ABIT_UGURU_BASE + ABIT_UGURU_DATA);
 	if (((data_val == 0x00) || (data_val == 0x08)) &&
diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c
index 34a14a77e008..a5bc4287daa6 100644
--- a/drivers/hwmon/abituguru3.c
+++ b/drivers/hwmon/abituguru3.c
@@ -1,28 +1,28 @@
 /*
-    abituguru3.c
-
-    Copyright (c) 2006-2008 Hans de Goede <hdegoede@redhat.com>
-    Copyright (c) 2008 Alistair John Strachan <alistair@devzero.co.uk>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * abituguru3.c
+ *
+ * Copyright (c) 2006-2008 Hans de Goede <hdegoede@redhat.com>
+ * Copyright (c) 2008 Alistair John Strachan <alistair@devzero.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 /*
-    This driver supports the sensor part of revision 3 of the custom Abit uGuru
-    chip found on newer Abit uGuru motherboards. Note: because of lack of specs
-    only reading the sensors and their settings is supported.
-*/
+ * This driver supports the sensor part of revision 3 of the custom Abit uGuru
+ * chip found on newer Abit uGuru motherboards. Note: because of lack of specs
+ * only reading the sensors and their settings is supported.
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -62,13 +62,17 @@
 #define ABIT_UGURU3_TEMP_SENSOR			1
 #define ABIT_UGURU3_FAN_SENSOR			2
 
-/* Timeouts / Retries, if these turn out to need a lot of fiddling we could
-   convert them to params. Determined by trial and error. I assume this is
-   cpu-speed independent, since the ISA-bus and not the CPU should be the
-   bottleneck. */
+/*
+ * Timeouts / Retries, if these turn out to need a lot of fiddling we could
+ * convert them to params. Determined by trial and error. I assume this is
+ * cpu-speed independent, since the ISA-bus and not the CPU should be the
+ * bottleneck.
+ */
 #define ABIT_UGURU3_WAIT_TIMEOUT		250
-/* Normally the 0xAC at the end of synchronize() is reported after the
-   first read, but sometimes not and we need to poll */
+/*
+ * Normally the 0xAC at the end of synchronize() is reported after the
+ * first read, but sometimes not and we need to poll
+ */
 #define ABIT_UGURU3_SYNCHRONIZE_TIMEOUT		5
 /* utility macros */
 #define ABIT_UGURU3_NAME			"abituguru3"
@@ -78,32 +82,45 @@
 
 /* Macros to help calculate the sysfs_names array length */
 #define ABIT_UGURU3_MAX_NO_SENSORS 26
-/* sum of strlen +1 of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0,
-   in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0, in??_label\0 */
-#define ABIT_UGURU3_IN_NAMES_LENGTH (11 + 2 * 9 + 2 * 15 + 2 * 22 + 10 + 14 + 11)
-/* sum of strlen +1 of: temp??_input\0, temp??_max\0, temp??_crit\0,
-   temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0,
-   temp??_label\0 */
+/*
+ * sum of strlen +1 of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0,
+ * in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0, in??_label\0
+ */
+#define ABIT_UGURU3_IN_NAMES_LENGTH \
+				(11 + 2 * 9 + 2 * 15 + 2 * 22 + 10 + 14 + 11)
+/*
+ * sum of strlen +1 of: temp??_input\0, temp??_max\0, temp??_crit\0,
+ * temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0,
+ * temp??_label\0
+ */
 #define ABIT_UGURU3_TEMP_NAMES_LENGTH (13 + 11 + 12 + 13 + 20 + 12 + 16 + 13)
-/* sum of strlen +1 of: fan??_input\0, fan??_min\0, fan??_alarm\0,
-   fan??_alarm_enable\0, fan??_beep\0, fan??_shutdown\0, fan??_label\0 */
+/*
+ * sum of strlen +1 of: fan??_input\0, fan??_min\0, fan??_alarm\0,
+ * fan??_alarm_enable\0, fan??_beep\0, fan??_shutdown\0, fan??_label\0
+ */
 #define ABIT_UGURU3_FAN_NAMES_LENGTH (12 + 10 + 12 + 19 + 11 + 15 + 12)
-/* Worst case scenario 16 in sensors (longest names_length) and the rest
-   temp sensors (second longest names_length). */
+/*
+ * Worst case scenario 16 in sensors (longest names_length) and the rest
+ * temp sensors (second longest names_length).
+ */
 #define ABIT_UGURU3_SYSFS_NAMES_LENGTH (16 * ABIT_UGURU3_IN_NAMES_LENGTH + \
 	(ABIT_UGURU3_MAX_NO_SENSORS - 16) * ABIT_UGURU3_TEMP_NAMES_LENGTH)
 
-/* All the macros below are named identical to the openguru2 program
-   reverse engineered by Louis Kruger, hence the names might not be 100%
-   logical. I could come up with better names, but I prefer keeping the names
-   identical so that this driver can be compared with his work more easily. */
+/*
+ * All the macros below are named identical to the openguru2 program
+ * reverse engineered by Louis Kruger, hence the names might not be 100%
+ * logical. I could come up with better names, but I prefer keeping the names
+ * identical so that this driver can be compared with his work more easily.
+ */
 /* Two i/o-ports are used by uGuru */
 #define ABIT_UGURU3_BASE			0x00E0
 #define ABIT_UGURU3_CMD				0x00
 #define ABIT_UGURU3_DATA			0x04
 #define ABIT_UGURU3_REGION_LENGTH		5
-/* The wait_xxx functions return this on success and the last contents
-   of the DATA register (0-255) on failure. */
+/*
+ * The wait_xxx functions return this on success and the last contents
+ * of the DATA register (0-255) on failure.
+ */
 #define ABIT_UGURU3_SUCCESS			-1
 /* uGuru status flags */
 #define ABIT_UGURU3_STATUS_READY_FOR_READ	0x01
@@ -112,7 +129,7 @@
 
 /* Structures */
 struct abituguru3_sensor_info {
-	const char* name;
+	const char *name;
 	int port;
 	int type;
 	int multiplier;
@@ -130,9 +147,11 @@ struct abituguru3_motherboard_info {
 	struct abituguru3_sensor_info sensors[ABIT_UGURU3_MAX_NO_SENSORS + 1];
 };
 
-/* For the Abit uGuru, we need to keep some data in memory.
-   The structure is dynamically allocated, at the same time when a new
-   abituguru3 device is allocated. */
+/*
+ * For the Abit uGuru, we need to keep some data in memory.
+ * The structure is dynamically allocated, at the same time when a new
+ * abituguru3 device is allocated.
+ */
 struct abituguru3_data {
 	struct device *hwmon_dev;	/* hwmon registered device */
 	struct mutex update_lock;	/* protect access to data and uGuru */
@@ -140,8 +159,10 @@ struct abituguru3_data {
 	char valid;			/* !=0 if following fields are valid */
 	unsigned long last_updated;	/* In jiffies */
 
-	/* For convenience the sysfs attr and their names are generated
-	   automatically. We have max 10 entries per sensor (for in sensors) */
+	/*
+	 * For convenience the sysfs attr and their names are generated
+	 * automatically. We have max 10 entries per sensor (for in sensors)
+	 */
 	struct sensor_device_attribute_2 sysfs_attr[ABIT_UGURU3_MAX_NO_SENSORS
 		* 10];
 
@@ -151,9 +172,11 @@ struct abituguru3_data {
 	/* Pointer to the sensors info for the detected motherboard */
 	const struct abituguru3_sensor_info *sensors;
 
-	/* The abituguru3 supports up to 48 sensors, and thus has registers
-	   sets for 48 sensors, for convienence reasons / simplicity of the
-	   code we always read and store all registers for all 48 sensors */
+	/*
+	 * The abituguru3 supports up to 48 sensors, and thus has registers
+	 * sets for 48 sensors, for convienence reasons / simplicity of the
+	 * code we always read and store all registers for all 48 sensors
+	 */
 
 	/* Alarms for all 48 sensors (1 bit per sensor) */
 	u8 alarms[48/8];
@@ -161,9 +184,11 @@ struct abituguru3_data {
 	/* Value of all 48 sensors */
 	u8 value[48];
 
-	/* Settings of all 48 sensors, note in and temp sensors (the first 32
-	   sensors) have 3 bytes of settings, while fans only have 2 bytes,
-	   for convenience we use 3 bytes for all sensors */
+	/*
+	 * Settings of all 48 sensors, note in and temp sensors (the first 32
+	 * sensors) have 3 bytes of settings, while fans only have 2 bytes,
+	 * for convenience we use 3 bytes for all sensors
+	 */
 	u8 settings[48][3];
 };
 
@@ -626,8 +651,10 @@ static int abituguru3_wait_while_busy(struct abituguru3_data *data)
 		timeout--;
 		if (timeout == 0)
 			return x;
-		/* sleep a bit before our last try, to give the uGuru3 one
-		   last chance to respond. */
+		/*
+		 * sleep a bit before our last try, to give the uGuru3 one
+		 * last chance to respond.
+		 */
 		if (timeout == 1)
 			msleep(1);
 	}
@@ -645,48 +672,57 @@ static int abituguru3_wait_for_read(struct abituguru3_data *data)
 		timeout--;
 		if (timeout == 0)
 			return x;
-		/* sleep a bit before our last try, to give the uGuru3 one
-		   last chance to respond. */
+		/*
+		 * sleep a bit before our last try, to give the uGuru3 one
+		 * last chance to respond.
+		 */
 		if (timeout == 1)
 			msleep(1);
 	}
 	return ABIT_UGURU3_SUCCESS;
 }
 
-/* This synchronizes us with the uGuru3's protocol state machine, this
-   must be done before each command. */
+/*
+ * This synchronizes us with the uGuru3's protocol state machine, this
+ * must be done before each command.
+ */
 static int abituguru3_synchronize(struct abituguru3_data *data)
 {
 	int x, timeout = ABIT_UGURU3_SYNCHRONIZE_TIMEOUT;
 
-	if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+	x = abituguru3_wait_while_busy(data);
+	if (x != ABIT_UGURU3_SUCCESS) {
 		ABIT_UGURU3_DEBUG("synchronize timeout during initial busy "
 			"wait, status: 0x%02x\n", x);
 		return -EIO;
 	}
 
 	outb(0x20, data->addr + ABIT_UGURU3_DATA);
-	if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+	x = abituguru3_wait_while_busy(data);
+	if (x != ABIT_UGURU3_SUCCESS) {
 		ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x20, "
 			"status: 0x%02x\n", x);
 		return -EIO;
 	}
 
 	outb(0x10, data->addr + ABIT_UGURU3_CMD);
-	if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+	x = abituguru3_wait_while_busy(data);
+	if (x != ABIT_UGURU3_SUCCESS) {
 		ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x10, "
 			"status: 0x%02x\n", x);
 		return -EIO;
 	}
 
 	outb(0x00, data->addr + ABIT_UGURU3_CMD);
-	if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+	x = abituguru3_wait_while_busy(data);
+	if (x != ABIT_UGURU3_SUCCESS) {
 		ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x00, "
 			"status: 0x%02x\n", x);
 		return -EIO;
 	}
 
-	if ((x = abituguru3_wait_for_read(data)) != ABIT_UGURU3_SUCCESS) {
+	x = abituguru3_wait_for_read(data);
+	if (x != ABIT_UGURU3_SUCCESS) {
 		ABIT_UGURU3_DEBUG("synchronize timeout waiting for read, "
 			"status: 0x%02x\n", x);
 		return -EIO;
@@ -705,18 +741,22 @@ static int abituguru3_synchronize(struct abituguru3_data *data)
 	return 0;
 }
 
-/* Read count bytes from sensor sensor_addr in bank bank_addr and store the
-   result in buf */
+/*
+ * Read count bytes from sensor sensor_addr in bank bank_addr and store the
+ * result in buf
+ */
 static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
 	u8 count, u8 *buf)
 {
 	int i, x;
 
-	if ((x = abituguru3_synchronize(data)))
+	x = abituguru3_synchronize(data);
+	if (x)
 		return x;
 
 	outb(0x1A, data->addr + ABIT_UGURU3_DATA);
-	if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+	x = abituguru3_wait_while_busy(data);
+	if (x != ABIT_UGURU3_SUCCESS) {
 		ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
 			"sending 0x1A, status: 0x%02x\n", (unsigned int)bank,
 			(unsigned int)offset, x);
@@ -724,7 +764,8 @@ static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
 	}
 
 	outb(bank, data->addr + ABIT_UGURU3_CMD);
-	if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+	x = abituguru3_wait_while_busy(data);
+	if (x != ABIT_UGURU3_SUCCESS) {
 		ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
 			"sending the bank, status: 0x%02x\n",
 			(unsigned int)bank, (unsigned int)offset, x);
@@ -732,7 +773,8 @@ static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
 	}
 
 	outb(offset, data->addr + ABIT_UGURU3_CMD);
-	if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+	x = abituguru3_wait_while_busy(data);
+	if (x != ABIT_UGURU3_SUCCESS) {
 		ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
 			"sending the offset, status: 0x%02x\n",
 			(unsigned int)bank, (unsigned int)offset, x);
@@ -740,7 +782,8 @@ static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
 	}
 
 	outb(count, data->addr + ABIT_UGURU3_CMD);
-	if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
+	x = abituguru3_wait_while_busy(data);
+	if (x != ABIT_UGURU3_SUCCESS) {
 		ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
 			"sending the count, status: 0x%02x\n",
 			(unsigned int)bank, (unsigned int)offset, x);
@@ -748,8 +791,8 @@ static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
 	}
 
 	for (i = 0; i < count; i++) {
-		if ((x = abituguru3_wait_for_read(data)) !=
-				ABIT_UGURU3_SUCCESS) {
+		x = abituguru3_wait_for_read(data);
+		if (x != ABIT_UGURU3_SUCCESS) {
 			ABIT_UGURU3_DEBUG("timeout reading byte %d from "
 				"0x%02x:0x%02x, status: 0x%02x\n", i,
 				(unsigned int)bank, (unsigned int)offset, x);
@@ -760,28 +803,34 @@ static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
 	return i;
 }
 
-/* Sensor settings are stored 1 byte per offset with the bytes
-   placed add consecutive offsets. */
+/*
+ * Sensor settings are stored 1 byte per offset with the bytes
+ * placed add consecutive offsets.
+ */
 static int abituguru3_read_increment_offset(struct abituguru3_data *data,
 					    u8 bank, u8 offset, u8 count,
 					    u8 *buf, int offset_count)
 {
 	int i, x;
 
-	for (i = 0; i < offset_count; i++)
-		if ((x = abituguru3_read(data, bank, offset + i, count,
-				buf + i * count)) != count) {
+	for (i = 0; i < offset_count; i++) {
+		x = abituguru3_read(data, bank, offset + i, count,
+				    buf + i * count);
+		if (x != count) {
 			if (x < 0)
 				return x;
 			return i * count + x;
 		}
+	}
 
 	return i * count;
 }
 
-/* Following are the sysfs callback functions. These functions expect:
-   sensor_device_attribute_2->index:   index into the data->sensors array
-   sensor_device_attribute_2->nr:      register offset, bitmask or NA. */
+/*
+ * Following are the sysfs callback functions. These functions expect:
+ * sensor_device_attribute_2->index:   index into the data->sensors array
+ * sensor_device_attribute_2->nr:      register offset, bitmask or NA.
+ */
 static struct abituguru3_data *abituguru3_update_device(struct device *dev);
 
 static ssize_t show_value(struct device *dev,
@@ -807,8 +856,10 @@ static ssize_t show_value(struct device *dev,
 	value = (value * sensor->multiplier) / sensor->divisor +
 		sensor->offset;
 
-	/* alternatively we could update the sensors settings struct for this,
-	   but then its contents would differ from the windows sw ini files */
+	/*
+	 * alternatively we could update the sensors settings struct for this,
+	 * but then its contents would differ from the windows sw ini files
+	 */
 	if (sensor->type == ABIT_UGURU3_TEMP_SENSOR)
 		value *= 1000;
 
@@ -827,10 +878,12 @@ static ssize_t show_alarm(struct device *dev,
 
 	port = data->sensors[attr->index].port;
 
-	/* See if the alarm bit for this sensor is set and if a bitmask is
-	   given in attr->nr also check if the alarm matches the type of alarm
-	   we're looking for (for volt it can be either low or high). The type
-	   is stored in a few readonly bits in the settings of the sensor. */
+	/*
+	 * See if the alarm bit for this sensor is set and if a bitmask is
+	 * given in attr->nr also check if the alarm matches the type of alarm
+	 * we're looking for (for volt it can be either low or high). The type
+	 * is stored in a few readonly bits in the settings of the sensor.
+	 */
 	if ((data->alarms[port / 8] & (0x01 << (port % 8))) &&
 			(!attr->nr || (data->settings[port][0] & attr->nr)))
 		return sprintf(buf, "1\n");
@@ -923,7 +976,8 @@ static int __devinit abituguru3_probe(struct platform_device *pdev)
 	u8 buf[2];
 	u16 id;
 
-	if (!(data = kzalloc(sizeof(struct abituguru3_data), GFP_KERNEL)))
+	data = kzalloc(sizeof(struct abituguru3_data), GFP_KERNEL);
+	if (!data)
 		return -ENOMEM;
 
 	data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
@@ -931,10 +985,10 @@ static int __devinit abituguru3_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, data);
 
 	/* Read the motherboard ID */
-	if ((i = abituguru3_read(data, ABIT_UGURU3_MISC_BANK,
-			ABIT_UGURU3_BOARD_ID, 2, buf)) != 2) {
+	i = abituguru3_read(data, ABIT_UGURU3_MISC_BANK, ABIT_UGURU3_BOARD_ID,
+			    2, buf);
+	if (i != 2)
 		goto abituguru3_probe_error;
-	}
 
 	/* Completely read the uGuru to see if one really is there */
 	if (!abituguru3_update_device(&pdev->dev))
@@ -1091,8 +1145,10 @@ LEAVE_UPDATE:
 static int abituguru3_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	struct abituguru3_data *data = platform_get_drvdata(pdev);
-	/* make sure all communications with the uguru3 are done and no new
-	   ones are started */
+	/*
+	 * make sure all communications with the uguru3 are done and no new
+	 * ones are started
+	 */
 	mutex_lock(&data->update_lock);
 	return 0;
 }
@@ -1134,7 +1190,8 @@ static int __init abituguru3_dmi_detect(void)
 	if (!board_name)
 		return err;
 
-	/* At the moment, we don't care about the part of the vendor
+	/*
+	 * At the moment, we don't care about the part of the vendor
 	 * DMI string contained in brackets. Truncate the string at
 	 * the first occurrence of a bracket. Trim any trailing space
 	 * from the substring.
@@ -1157,15 +1214,18 @@ static int __init abituguru3_dmi_detect(void)
 	return 1;
 }
 
-/* FIXME: Manual detection should die eventually; we need to collect stable
+/*
+ * FIXME: Manual detection should die eventually; we need to collect stable
  *        DMI model names first before we can rely entirely on CONFIG_DMI.
  */
 
 static int __init abituguru3_detect(void)
 {
-	/* See if there is an uguru3 there. An idle uGuru3 will hold 0x00 or
-	   0x08 at DATA and 0xAC at CMD. Sometimes the uGuru3 will hold 0x05
-	   or 0x55 at CMD instead, why is unknown. */
+	/*
+	 * See if there is an uguru3 there. An idle uGuru3 will hold 0x00 or
+	 * 0x08 at DATA and 0xAC at CMD. Sometimes the uGuru3 will hold 0x05
+	 * or 0x55 at CMD instead, why is unknown.
+	 */
 	u8 data_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_DATA);
 	u8 cmd_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_CMD);
 	if (((data_val == 0x00) || (data_val == 0x08)) &&
@@ -1197,7 +1257,8 @@ static int __init abituguru3_init(void)
 	if (err < 0)
 		return err;
 
-	/* Fall back to manual detection if there was no exact
+	/*
+	 * Fall back to manual detection if there was no exact
 	 * board name match, or force was specified.
 	 */
 	if (err > 0) {
diff --git a/drivers/hwmon/ad7314.c b/drivers/hwmon/ad7314.c
index 5d760f3d21c2..0e0cfcc36f8d 100644
--- a/drivers/hwmon/ad7314.c
+++ b/drivers/hwmon/ad7314.c
@@ -167,17 +167,7 @@ static struct spi_driver ad7314_driver = {
 	.id_table = ad7314_id,
 };
 
-static __init int ad7314_init(void)
-{
-	return spi_register_driver(&ad7314_driver);
-}
-module_init(ad7314_init);
-
-static __exit void ad7314_exit(void)
-{
-	spi_unregister_driver(&ad7314_driver);
-}
-module_exit(ad7314_exit);
+module_spi_driver(ad7314_driver);
 
 MODULE_AUTHOR("Sonic Zhang <sonic.zhang@analog.com>");
 MODULE_DESCRIPTION("Analog Devices AD7314, ADT7301 and ADT7302 digital"
diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c
index df29a7fff9e7..06d2d60d1fd0 100644
--- a/drivers/hwmon/ad7414.c
+++ b/drivers/hwmon/ad7414.c
@@ -50,7 +50,8 @@ struct ad7414_data {
 /* REG: (0.25C/bit, two's complement) << 6 */
 static inline int ad7414_temp_from_reg(s16 reg)
 {
-	/* use integer division instead of equivalent right shift to
+	/*
+	 * use integer division instead of equivalent right shift to
 	 * guarantee arithmetic shift and preserve the sign
 	 */
 	return ((int)reg / 64) * 250;
@@ -130,7 +131,11 @@ static ssize_t set_max_min(struct device *dev,
 	struct ad7414_data *data = i2c_get_clientdata(client);
 	int index = to_sensor_dev_attr(attr)->index;
 	u8 reg = AD7414_REG_LIMIT[index];
-	long temp = simple_strtol(buf, NULL, 10);
+	long temp;
+	int ret = kstrtol(buf, 10, &temp);
+
+	if (ret < 0)
+		return ret;
 
 	temp = SENSORS_LIMIT(temp, -40000, 85000);
 	temp = (temp + (temp < 0 ? -500 : 500)) / 1000;
@@ -252,17 +257,7 @@ static struct i2c_driver ad7414_driver = {
 	.id_table = ad7414_id,
 };
 
-static int __init ad7414_init(void)
-{
-	return i2c_add_driver(&ad7414_driver);
-}
-module_init(ad7414_init);
-
-static void __exit ad7414_exit(void)
-{
-	i2c_del_driver(&ad7414_driver);
-}
-module_exit(ad7414_exit);
+module_i2c_driver(ad7414_driver);
 
 MODULE_AUTHOR("Stefan Roese <sr at denx.de>, "
 	      "Frank Edelhaeuser <frank.edelhaeuser at spansion.com>");
diff --git a/drivers/hwmon/ad7418.c b/drivers/hwmon/ad7418.c
index 8cb718ce8237..a50a6bef16c4 100644
--- a/drivers/hwmon/ad7418.c
+++ b/drivers/hwmon/ad7418.c
@@ -167,7 +167,11 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i2c_client *client = to_i2c_client(dev);
 	struct ad7418_data *data = i2c_get_clientdata(client);
-	long temp = simple_strtol(buf, NULL, 10);
+	long temp;
+	int ret = kstrtol(buf, 10, &temp);
+
+	if (ret < 0)
+		return ret;
 
 	mutex_lock(&data->lock);
 	data->temp[attr->index] = LM75_TEMP_TO_REG(temp);
@@ -228,7 +232,8 @@ static int ad7418_probe(struct i2c_client *client,
 		goto exit;
 	}
 
-	if (!(data = kzalloc(sizeof(struct ad7418_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct ad7418_data), GFP_KERNEL);
+	if (!data) {
 		err = -ENOMEM;
 		goto exit;
 	}
@@ -261,7 +266,8 @@ static int ad7418_probe(struct i2c_client *client,
 	ad7418_init_client(client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &data->attrs)))
+	err = sysfs_create_group(&client->dev.kobj, &data->attrs);
+	if (err)
 		goto exit_free;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -289,20 +295,9 @@ static int ad7418_remove(struct i2c_client *client)
 	return 0;
 }
 
-static int __init ad7418_init(void)
-{
-	return i2c_add_driver(&ad7418_driver);
-}
-
-static void __exit ad7418_exit(void)
-{
-	i2c_del_driver(&ad7418_driver);
-}
+module_i2c_driver(ad7418_driver);
 
 MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
 MODULE_DESCRIPTION("AD7416/17/18 driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
-
-module_init(ad7418_init);
-module_exit(ad7418_exit);
diff --git a/drivers/hwmon/adcxx.c b/drivers/hwmon/adcxx.c
index ceb24a365176..a3d3183454ad 100644
--- a/drivers/hwmon/adcxx.c
+++ b/drivers/hwmon/adcxx.c
@@ -248,18 +248,7 @@ static struct spi_driver adcxx_driver = {
 	.remove	= __devexit_p(adcxx_remove),
 };
 
-static int __init init_adcxx(void)
-{
-	return spi_register_driver(&adcxx_driver);
-}
-
-static void __exit exit_adcxx(void)
-{
-	spi_unregister_driver(&adcxx_driver);
-}
-
-module_init(init_adcxx);
-module_exit(exit_adcxx);
+module_spi_driver(adcxx_driver);
 
 MODULE_AUTHOR("Marc Pignat");
 MODULE_DESCRIPTION("National Semiconductor adcxx8sxxx Linux driver");
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index 0158cc35cb2e..4394e7e99c46 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -1,23 +1,23 @@
 /*
-    adm1021.c - Part of lm_sensors, Linux kernel modules for hardware
-		monitoring
-    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl> and
-    Philip Edelbrock <phil@netroedge.com>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * adm1021.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	       monitoring
+ * Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl> and
+ *			     Philip Edelbrock <phil@netroedge.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -70,10 +70,12 @@ enum chips {
 
 /* Initial values */
 
-/* Note: Even though I left the low and high limits named os and hyst,
-they don't quite work like a thermostat the way the LM75 does.  I.e.,
-a lower temp than THYST actually triggers an alarm instead of
-clearing it.  Weird, ey?   --Phil  */
+/*
+ * Note: Even though I left the low and high limits named os and hyst,
+ * they don't quite work like a thermostat the way the LM75 does.  I.e.,
+ * a lower temp than THYST actually triggers an alarm instead of
+ * clearing it.  Weird, ey?   --Phil
+ */
 
 /* Each client has this additional data */
 struct adm1021_data {
@@ -182,7 +184,13 @@ static ssize_t set_temp_max(struct device *dev,
 	int index = to_sensor_dev_attr(devattr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1021_data *data = i2c_get_clientdata(client);
-	long temp = simple_strtol(buf, NULL, 10) / 1000;
+	long temp;
+	int err;
+
+	err = kstrtol(buf, 10, &temp);
+	if (err)
+		return err;
+	temp /= 1000;
 
 	mutex_lock(&data->update_lock);
 	data->temp_max[index] = SENSORS_LIMIT(temp, -128, 127);
@@ -201,7 +209,13 @@ static ssize_t set_temp_min(struct device *dev,
 	int index = to_sensor_dev_attr(devattr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1021_data *data = i2c_get_clientdata(client);
-	long temp = simple_strtol(buf, NULL, 10) / 1000;
+	long temp;
+	int err;
+
+	err = kstrtol(buf, 10, &temp);
+	if (err)
+		return err;
+	temp /= 1000;
 
 	mutex_lock(&data->update_lock);
 	data->temp_min[index] = SENSORS_LIMIT(temp, -128, 127);
@@ -226,7 +240,14 @@ static ssize_t set_low_power(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1021_data *data = i2c_get_clientdata(client);
-	int low_power = simple_strtol(buf, NULL, 10) != 0;
+	char low_power;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+	low_power = val != 0;
 
 	mutex_lock(&data->update_lock);
 	if (low_power != data->low_power) {
@@ -361,7 +382,8 @@ static int adm1021_probe(struct i2c_client *client,
 		adm1021_init_client(client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &adm1021_group)))
+	err = sysfs_create_group(&client->dev.kobj, &adm1021_group);
+	if (err)
 		goto error1;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -427,8 +449,10 @@ static struct adm1021_data *adm1021_update_device(struct device *dev)
 		data->alarms = i2c_smbus_read_byte_data(client,
 						ADM1021_REG_STATUS) & 0x7c;
 		if (data->type == adm1023) {
-			/* The ADM1023 provides 3 extra bits of precision for
-			 * the remote sensor in extra registers. */
+			/*
+			 * The ADM1023 provides 3 extra bits of precision for
+			 * the remote sensor in extra registers.
+			 */
 			data->temp[1] += 125 * (i2c_smbus_read_byte_data(
 				client, ADM1023_REG_REM_TEMP_PREC) >> 5);
 			data->temp_max[1] += 125 * (i2c_smbus_read_byte_data(
@@ -451,23 +475,12 @@ static struct adm1021_data *adm1021_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_adm1021_init(void)
-{
-	return i2c_add_driver(&adm1021_driver);
-}
-
-static void __exit sensors_adm1021_exit(void)
-{
-	i2c_del_driver(&adm1021_driver);
-}
+module_i2c_driver(adm1021_driver);
 
-MODULE_AUTHOR ("Frodo Looijaard <frodol@dds.nl> and "
+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl> and "
 		"Philip Edelbrock <phil@netroedge.com>");
 MODULE_DESCRIPTION("adm1021 driver");
 MODULE_LICENSE("GPL");
 
 module_param(read_only, bool, 0);
 MODULE_PARM_DESC(read_only, "Don't set any values, read only mode");
-
-module_init(sensors_adm1021_init)
-module_exit(sensors_adm1021_exit)
diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c
index 60befc0ee65f..b8557f9857d2 100644
--- a/drivers/hwmon/adm1025.c
+++ b/drivers/hwmon/adm1025.c
@@ -12,7 +12,7 @@
  * resolution of about 0.5% of the nominal value). Temperature values are
  * reported with a 1 deg resolution and a 3 deg accuracy. Complete
  * datasheet can be obtained from Analog's website at:
- *   http://www.onsemi.com/PowerSolutions/product.do?id=ADM1025 
+ *   http://www.onsemi.com/PowerSolutions/product.do?id=ADM1025
  *
  * This driver also supports the ADM1025A, which differs from the ADM1025
  * only in that it has "open-drain VID inputs while the ADM1025 has
@@ -91,15 +91,16 @@ enum chips { adm1025, ne1619 };
 
 static const int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 };
 
-#define IN_FROM_REG(reg,scale)	(((reg) * (scale) + 96) / 192)
-#define IN_TO_REG(val,scale)	((val) <= 0 ? 0 : \
+#define IN_FROM_REG(reg, scale)	(((reg) * (scale) + 96) / 192)
+#define IN_TO_REG(val, scale)	((val) <= 0 ? 0 : \
 				 (val) * 192 >= (scale) * 255 ? 255 : \
-				 ((val) * 192 + (scale)/2) / (scale))
+				 ((val) * 192 + (scale) / 2) / (scale))
 
 #define TEMP_FROM_REG(reg)	((reg) * 1000)
 #define TEMP_TO_REG(val)	((val) <= -127500 ? -128 : \
 				 (val) >= 126500 ? 127 : \
-				 (((val) < 0 ? (val)-500 : (val)+500) / 1000))
+				 (((val) < 0 ? (val) - 500 : \
+				   (val) + 500) / 1000))
 
 /*
  * Functions declaration
@@ -218,7 +219,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
 	int index = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1025_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[index] = IN_TO_REG(val, in_scale[index]);
@@ -234,7 +240,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
 	int index = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1025_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[index] = IN_TO_REG(val, in_scale[index]);
@@ -264,7 +275,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
 	int index = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1025_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_min[index] = TEMP_TO_REG(val);
@@ -280,7 +296,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
 	int index = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1025_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_max[index] = TEMP_TO_REG(val);
@@ -343,7 +364,14 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
 		       const char *buf, size_t count)
 {
 	struct adm1025_data *data = dev_get_drvdata(dev);
-	data->vrm = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	data->vrm = val;
 	return count;
 }
 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
@@ -462,14 +490,15 @@ static int adm1025_probe(struct i2c_client *client,
 	adm1025_init_client(client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &adm1025_group)))
+	err = sysfs_create_group(&client->dev.kobj, &adm1025_group);
+	if (err)
 		goto exit_free;
 
 	/* Pin 11 is either in4 (+12V) or VID4 */
 	config = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG);
 	if (!(config & 0x20)) {
-		if ((err = sysfs_create_group(&client->dev.kobj,
-					      &adm1025_group_in4)))
+		err = sysfs_create_group(&client->dev.kobj, &adm1025_group_in4);
+		if (err)
 			goto exit_remove;
 	}
 
@@ -506,7 +535,7 @@ static void adm1025_init_client(struct i2c_client *client)
 	 * setting yet, we better set the high limits to the max so that
 	 * no alarm triggers.
 	 */
-	for (i=0; i<6; i++) {
+	for (i = 0; i < 6; i++) {
 		reg = i2c_smbus_read_byte_data(client,
 					       ADM1025_REG_IN_MAX(i));
 		if (reg == 0)
@@ -514,7 +543,7 @@ static void adm1025_init_client(struct i2c_client *client)
 						  ADM1025_REG_IN_MAX(i),
 						  0xFF);
 	}
-	for (i=0; i<2; i++) {
+	for (i = 0; i < 2; i++) {
 		reg = i2c_smbus_read_byte_data(client,
 					       ADM1025_REG_TEMP_HIGH(i));
 		if (reg == 0)
@@ -555,7 +584,7 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
 		int i;
 
 		dev_dbg(&client->dev, "Updating data.\n");
-		for (i=0; i<6; i++) {
+		for (i = 0; i < 6; i++) {
 			data->in[i] = i2c_smbus_read_byte_data(client,
 				      ADM1025_REG_IN(i));
 			data->in_min[i] = i2c_smbus_read_byte_data(client,
@@ -563,7 +592,7 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
 			data->in_max[i] = i2c_smbus_read_byte_data(client,
 					  ADM1025_REG_IN_MAX(i));
 		}
-		for (i=0; i<2; i++) {
+		for (i = 0; i < 2; i++) {
 			data->temp[i] = i2c_smbus_read_byte_data(client,
 					ADM1025_REG_TEMP(i));
 			data->temp_min[i] = i2c_smbus_read_byte_data(client,
@@ -589,19 +618,8 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_adm1025_init(void)
-{
-	return i2c_add_driver(&adm1025_driver);
-}
-
-static void __exit sensors_adm1025_exit(void)
-{
-	i2c_del_driver(&adm1025_driver);
-}
+module_i2c_driver(adm1025_driver);
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("ADM1025 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_adm1025_init);
-module_exit(sensors_adm1025_exit);
diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c
index 0531867484f4..1003219b9f90 100644
--- a/drivers/hwmon/adm1026.c
+++ b/drivers/hwmon/adm1026.c
@@ -1,27 +1,27 @@
 /*
-    adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
-	     monitoring
-    Copyright (C) 2002, 2003  Philip Pokorny <ppokorny@penguincomputing.com>
-    Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
-
-    Chip details at:
-
-    <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	       monitoring
+ * Copyright (C) 2002, 2003  Philip Pokorny <ppokorny@penguincomputing.com>
+ * Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
+ *
+ * Chip details at:
+ *
+ * <http://www.onsemi.com/PowerSolutions/product.do?id=ADM1026>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -90,7 +90,8 @@ MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs");
 #define E2CFG_ROM		0x08
 #define E2CFG_CLK_EXT		0x80
 
-/* There are 10 general analog inputs and 7 dedicated inputs
+/*
+ * There are 10 general analog inputs and 7 dedicated inputs
  * They are:
  *    0 - 9  =  AIN0 - AIN9
  *       10  =  Vbat
@@ -117,7 +118,8 @@ static u16 ADM1026_REG_IN_MAX[] = {
 		0x43, 0x44, 0x45, 0x46, 0x47
 	};
 
-/* Temperatures are:
+/*
+ * Temperatures are:
  *    0 - Internal
  *    1 - External 1
  *    2 - External 2
@@ -170,12 +172,14 @@ static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
 #define ADM1026_FAN_CONTROL_TEMP_RANGE	20
 #define ADM1026_PWM_MAX			255
 
-/* Conversions. Rounding and limit checking is only done on the TO_REG
+/*
+ * Conversions. Rounding and limit checking is only done on the TO_REG
  * variants. Note that you should be a bit careful with which arguments
  * these macros are called: arguments may be evaluated more than once.
  */
 
-/* IN are scaled according to built-in resistors.  These are the
+/*
+ * IN are scaled according to built-in resistors.  These are the
  *   voltages corresponding to 3/4 of full scale (192 or 0xc0)
  *   NOTE: The -12V input needs an additional factor to account
  *      for the Vref pullup resistor.
@@ -197,23 +201,25 @@ static int adm1026_scaling[] = { /* .001 Volts */
 	0, 255))
 #define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
 
-/* FAN speed is measured using 22.5kHz clock and counts for 2 pulses
+/*
+ * FAN speed is measured using 22.5kHz clock and counts for 2 pulses
  *   and we assume a 2 pulse-per-rev fan tach signal
  *      22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
  */
 #define FAN_TO_REG(val, div)  ((val) <= 0 ? 0xff : \
-				SENSORS_LIMIT(1350000/((val)*(div)), 1, 254))
-#define FAN_FROM_REG(val, div) ((val) == 0 ? -1:(val) == 0xff ? 0 : \
-				1350000/((val)*(div)))
-#define DIV_FROM_REG(val) (1<<(val))
+				SENSORS_LIMIT(1350000 / ((val) * (div)), \
+					      1, 254))
+#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 0xff ? 0 : \
+				1350000 / ((val) * (div)))
+#define DIV_FROM_REG(val) (1 << (val))
 #define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
 
 /* Temperature is reported in 1 degC increments */
-#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
-	-127, 127))
+#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val) + ((val) < 0 ? -500 : 500)) \
+					/ 1000, -127, 127))
 #define TEMP_FROM_REG(val) ((val) * 1000)
-#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
-	-127, 127))
+#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val) + ((val) < 0 ? -500 : 500)) \
+					  / 1000, -127, 127))
 #define OFFSET_FROM_REG(val) ((val) * 1000)
 
 #define PWM_TO_REG(val) (SENSORS_LIMIT(val, 0, 255))
@@ -222,14 +228,16 @@ static int adm1026_scaling[] = { /* .001 Volts */
 #define PWM_MIN_TO_REG(val) ((val) & 0xf0)
 #define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
 
-/* Analog output is a voltage, and scaled to millivolts.  The datasheet
+/*
+ * Analog output is a voltage, and scaled to millivolts.  The datasheet
  *   indicates that the DAC could be used to drive the fans, but in our
  *   example board (Arima HDAMA) it isn't connected to the fans at all.
  */
-#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500), 0, 255))
-#define DAC_FROM_REG(val) (((val)*2500)/255)
+#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val) * 255) + 500) / 2500), 0, 255))
+#define DAC_FROM_REG(val) (((val) * 2500) / 255)
 
-/* Chip sampling rates
+/*
+ * Chip sampling rates
  *
  * Some sensors are not updated more frequently than once per second
  *    so it doesn't make sense to read them more often than that.
@@ -243,11 +251,13 @@ static int adm1026_scaling[] = { /* .001 Volts */
 #define ADM1026_DATA_INTERVAL		(1 * HZ)
 #define ADM1026_CONFIG_INTERVAL		(5 * 60 * HZ)
 
-/* We allow for multiple chips in a single system.
+/*
+ * We allow for multiple chips in a single system.
  *
  * For each registered ADM1026, we need to keep state information
  * at client->data. The adm1026_data structure is dynamically
- * allocated, when a new client structure is allocated. */
+ * allocated, when a new client structure is allocated.
+ */
 
 struct pwm_data {
 	u8 pwm;
@@ -388,17 +398,16 @@ static void adm1026_init_client(struct i2c_client *client)
 		dev_dbg(&client->dev, "THERM pin enabled.  "
 			"GPIO16 disabled.\n");
 	}
-	if (data->config3 & CFG3_VREF_250) {
+	if (data->config3 & CFG3_VREF_250)
 		dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
-	} else {
+	else
 		dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
-	}
 	/* Read and pick apart the existing GPIO configuration */
 	value = 0;
-	for (i = 0;i <= 15;++i) {
+	for (i = 0; i <= 15; ++i) {
 		if ((i & 0x03) == 0) {
 			value = adm1026_read_value(client,
-					ADM1026_REG_GPIO_CFG_0_3 + i/4);
+					ADM1026_REG_GPIO_CFG_0_3 + i / 4);
 		}
 		data->gpio_config[i] = value & 0x03;
 		value >>= 2;
@@ -408,7 +417,8 @@ static void adm1026_init_client(struct i2c_client *client)
 	/* ... and then print it */
 	adm1026_print_gpio(client);
 
-	/* If the user asks us to reprogram the GPIO config, then
+	/*
+	 * If the user asks us to reprogram the GPIO config, then
 	 * do it now.
 	 */
 	if (gpio_input[0] != -1 || gpio_output[0] != -1
@@ -417,7 +427,8 @@ static void adm1026_init_client(struct i2c_client *client)
 		adm1026_fixup_gpio(client);
 	}
 
-	/* WE INTENTIONALLY make no changes to the limits,
+	/*
+	 * WE INTENTIONALLY make no changes to the limits,
 	 *   offsets, pwms, fans and zones.  If they were
 	 *   configured, we don't want to mess with them.
 	 *   If they weren't, the default is 100% PWM, no
@@ -428,7 +439,7 @@ static void adm1026_init_client(struct i2c_client *client)
 	 *   without first setting a value for pwm1.auto_pwm_min
 	 *   will not result in potentially dangerous fan speed decrease.
 	 */
-	data->pwm1.auto_pwm_min=255;
+	data->pwm1.auto_pwm_min = 255;
 	/* Start monitoring */
 	value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
 	/* Set MONITOR, clear interrupt acknowledge and s/w reset */
@@ -440,7 +451,7 @@ static void adm1026_init_client(struct i2c_client *client)
 	/* initialize fan_div[] to hardware defaults */
 	value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
 		(adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
-	for (i = 0;i <= 7;++i) {
+	for (i = 0; i <= 7; ++i) {
 		data->fan_div[i] = DIV_FROM_REG(value & 0x03);
 		value >>= 2;
 	}
@@ -452,7 +463,7 @@ static void adm1026_print_gpio(struct i2c_client *client)
 	int i;
 
 	dev_dbg(&client->dev, "GPIO config is:\n");
-	for (i = 0;i <= 7;++i) {
+	for (i = 0; i <= 7; ++i) {
 		if (data->config2 & (1 << i)) {
 			dev_dbg(&client->dev, "\t%sGP%s%d\n",
 				data->gpio_config[i] & 0x02 ? "" : "!",
@@ -462,7 +473,7 @@ static void adm1026_print_gpio(struct i2c_client *client)
 			dev_dbg(&client->dev, "\tFAN%d\n", i);
 		}
 	}
-	for (i = 8;i <= 15;++i) {
+	for (i = 8; i <= 15; ++i) {
 		dev_dbg(&client->dev, "\t%sGP%s%d\n",
 			data->gpio_config[i] & 0x02 ? "" : "!",
 			data->gpio_config[i] & 0x01 ? "OUT" : "IN",
@@ -485,52 +496,46 @@ static void adm1026_fixup_gpio(struct i2c_client *client)
 	int value;
 
 	/* Make the changes requested. */
-	/* We may need to unlock/stop monitoring or soft-reset the
+	/*
+	 * We may need to unlock/stop monitoring or soft-reset the
 	 *    chip before we can make changes.  This hasn't been
 	 *    tested much.  FIXME
 	 */
 
 	/* Make outputs */
-	for (i = 0;i <= 16;++i) {
-		if (gpio_output[i] >= 0 && gpio_output[i] <= 16) {
+	for (i = 0; i <= 16; ++i) {
+		if (gpio_output[i] >= 0 && gpio_output[i] <= 16)
 			data->gpio_config[gpio_output[i]] |= 0x01;
-		}
 		/* if GPIO0-7 is output, it isn't a FAN tach */
-		if (gpio_output[i] >= 0 && gpio_output[i] <= 7) {
+		if (gpio_output[i] >= 0 && gpio_output[i] <= 7)
 			data->config2 |= 1 << gpio_output[i];
-		}
 	}
 
 	/* Input overrides output */
-	for (i = 0;i <= 16;++i) {
-		if (gpio_input[i] >= 0 && gpio_input[i] <= 16) {
-			data->gpio_config[gpio_input[i]] &= ~ 0x01;
-		}
+	for (i = 0; i <= 16; ++i) {
+		if (gpio_input[i] >= 0 && gpio_input[i] <= 16)
+			data->gpio_config[gpio_input[i]] &= ~0x01;
 		/* if GPIO0-7 is input, it isn't a FAN tach */
-		if (gpio_input[i] >= 0 && gpio_input[i] <= 7) {
+		if (gpio_input[i] >= 0 && gpio_input[i] <= 7)
 			data->config2 |= 1 << gpio_input[i];
-		}
 	}
 
 	/* Inverted */
-	for (i = 0;i <= 16;++i) {
-		if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) {
-			data->gpio_config[gpio_inverted[i]] &= ~ 0x02;
-		}
+	for (i = 0; i <= 16; ++i) {
+		if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16)
+			data->gpio_config[gpio_inverted[i]] &= ~0x02;
 	}
 
 	/* Normal overrides inverted */
-	for (i = 0;i <= 16;++i) {
-		if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) {
+	for (i = 0; i <= 16; ++i) {
+		if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16)
 			data->gpio_config[gpio_normal[i]] |= 0x02;
-		}
 	}
 
 	/* Fan overrides input and output */
-	for (i = 0;i <= 7;++i) {
-		if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) {
+	for (i = 0; i <= 7; ++i) {
+		if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7)
 			data->config2 &= ~(1 << gpio_fan[i]);
-		}
 	}
 
 	/* Write new configs to registers */
@@ -538,7 +543,7 @@ static void adm1026_fixup_gpio(struct i2c_client *client)
 	data->config3 = (data->config3 & 0x3f)
 			| ((data->gpio_config[16] & 0x03) << 6);
 	adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
-	for (i = 15, value = 0;i >= 0;--i) {
+	for (i = 15, value = 0; i >= 0; --i) {
 		value <<= 2;
 		value |= data->gpio_config[i] & 0x03;
 		if ((i & 0x03) == 0) {
@@ -563,22 +568,25 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
 
 	mutex_lock(&data->update_lock);
 	if (!data->valid
-	    || time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) {
+	    || time_after(jiffies,
+			  data->last_reading + ADM1026_DATA_INTERVAL)) {
 		/* Things that change quickly */
 		dev_dbg(&client->dev, "Reading sensor values\n");
-		for (i = 0;i <= 16;++i) {
+		for (i = 0; i <= 16; ++i) {
 			data->in[i] =
 			    adm1026_read_value(client, ADM1026_REG_IN[i]);
 		}
 
-		for (i = 0;i <= 7;++i) {
+		for (i = 0; i <= 7; ++i) {
 			data->fan[i] =
 			    adm1026_read_value(client, ADM1026_REG_FAN(i));
 		}
 
-		for (i = 0;i <= 2;++i) {
-			/* NOTE: temp[] is s8 and we assume 2's complement
-			 *   "conversion" in the assignment */
+		for (i = 0; i <= 2; ++i) {
+			/*
+			 * NOTE: temp[] is s8 and we assume 2's complement
+			 *   "conversion" in the assignment
+			 */
 			data->temp[i] =
 			    adm1026_read_value(client, ADM1026_REG_TEMP[i]);
 		}
@@ -614,7 +622,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
 	    time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
 		/* Things that don't change often */
 		dev_dbg(&client->dev, "Reading config values\n");
-		for (i = 0;i <= 16;++i) {
+		for (i = 0; i <= 16; ++i) {
 			data->in_min[i] = adm1026_read_value(client,
 				ADM1026_REG_IN_MIN[i]);
 			data->in_max[i] = adm1026_read_value(client,
@@ -624,7 +632,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
 		value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
 			| (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
 			<< 8);
-		for (i = 0;i <= 7;++i) {
+		for (i = 0; i <= 7; ++i) {
 			data->fan_min[i] = adm1026_read_value(client,
 				ADM1026_REG_FAN_MIN(i));
 			data->fan_div[i] = DIV_FROM_REG(value & 0x03);
@@ -632,7 +640,8 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
 		}
 
 		for (i = 0; i <= 2; ++i) {
-			/* NOTE: temp_xxx[] are s8 and we assume 2's
+			/*
+			 * NOTE: temp_xxx[] are s8 and we assume 2's
 			 *    complement "conversion" in the assignment
 			 */
 			data->temp_min[i] = adm1026_read_value(client,
@@ -681,7 +690,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
 		data->gpio_config[16] = (data->config3 >> 6) & 0x03;
 
 		value = 0;
-		for (i = 0;i <= 15;++i) {
+		for (i = 0; i <= 15; ++i) {
 			if ((i & 0x03) == 0) {
 				value = adm1026_read_value(client,
 					    ADM1026_REG_GPIO_CFG_0_3 + i/4);
@@ -721,7 +730,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[nr] = INS_TO_REG(nr, val);
@@ -744,7 +758,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[nr] = INS_TO_REG(nr, val);
@@ -779,23 +798,31 @@ in_reg(13);
 in_reg(14);
 in_reg(15);
 
-static ssize_t show_in16(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_in16(struct device *dev, struct device_attribute *attr,
+			 char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) -
 		NEG12_OFFSET);
 }
-static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr,
+			     char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
 		- NEG12_OFFSET);
 }
-static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
@@ -803,17 +830,24 @@ static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, c
 	mutex_unlock(&data->update_lock);
 	return count;
 }
-static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr,
+			     char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
 			- NEG12_OFFSET);
 }
-static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
@@ -823,10 +857,10 @@ static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, c
 }
 
 static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16);
-static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min, 16);
-static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max, 16);
-
-
+static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min,
+			  set_in16_min, 16);
+static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max,
+			  set_in16_max, 16);
 
 
 /* Now add fan read/write functions */
@@ -856,7 +890,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
@@ -890,9 +929,8 @@ static void fixup_fan_min(struct device *dev, int fan, int old_div)
 	int new_div = data->fan_div[fan];
 
 	/* 0 and 0xff are special.  Don't adjust them */
-	if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) {
+	if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff)
 		return;
-	}
 
 	new_min = data->fan_min[fan] * old_div / new_div;
 	new_min = SENSORS_LIMIT(new_min, 1, 254);
@@ -916,9 +954,14 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val, orig_div, new_div;
+	long val;
+	int orig_div, new_div;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtol(buf, NULL, 10);
 	new_div = DIV_TO_REG(val);
 
 	mutex_lock(&data->update_lock);
@@ -939,9 +982,9 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
 				    (DIV_TO_REG(data->fan_div[7]) << 6));
 	}
 
-	if (data->fan_div[nr] != orig_div) {
+	if (data->fan_div[nr] != orig_div)
 		fixup_fan_min(dev, nr, orig_div);
-	}
+
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -983,7 +1026,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_min[nr] = TEMP_TO_REG(val);
@@ -1007,7 +1055,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_max[nr] = TEMP_TO_REG(val);
@@ -1046,7 +1099,12 @@ static ssize_t set_temp_offset(struct device *dev,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_offset[nr] = TEMP_TO_REG(val);
@@ -1056,8 +1114,8 @@ static ssize_t set_temp_offset(struct device *dev,
 	return count;
 }
 
-#define temp_offset_reg(offset)							\
-static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR,		\
+#define temp_offset_reg(offset)						\
+static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR,	\
 		show_temp_offset, set_temp_offset, offset - 1);
 
 temp_offset_reg(1);
@@ -1097,7 +1155,12 @@ static ssize_t set_temp_auto_point1_temp(struct device *dev,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_tmin[nr] = TEMP_TO_REG(val);
@@ -1131,15 +1194,21 @@ static ssize_t set_temp_crit_enable(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	if (val > 1)
+		return -EINVAL;
+
+	mutex_lock(&data->update_lock);
+	data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
+	adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
+	mutex_unlock(&data->update_lock);
 
-	if ((val == 1) || (val==0)) {
-		mutex_lock(&data->update_lock);
-		data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
-		adm1026_write_value(client, ADM1026_REG_CONFIG1,
-			data->config1);
-		mutex_unlock(&data->update_lock);
-	}
 	return count;
 }
 
@@ -1166,7 +1235,12 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_crit[nr] = TEMP_TO_REG(val);
@@ -1184,17 +1258,24 @@ temp_crit_reg(1);
 temp_crit_reg(2);
 temp_crit_reg(3);
 
-static ssize_t show_analog_out_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_analog_out_reg(struct device *dev,
+				   struct device_attribute *attr, char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
 }
-static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf,
-		size_t count)
+static ssize_t set_analog_out_reg(struct device *dev,
+				  struct device_attribute *attr,
+				  const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->analog_out = DAC_TO_REG(val);
@@ -1206,7 +1287,8 @@ static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *a
 static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
 	set_analog_out_reg);
 
-static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
+			    char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	int vid = (data->gpio >> 11) & 0x1f;
@@ -1214,25 +1296,35 @@ static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, c
 	dev_dbg(dev, "Setting VID from GPIO11-15.\n");
 	return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm));
 }
+
 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 
-static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
+			    char *buf)
 {
 	struct adm1026_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%d\n", data->vrm);
 }
-static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
-		size_t count)
+
+static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
+			     const char *buf, size_t count)
 {
 	struct adm1026_data *data = dev_get_drvdata(dev);
+	unsigned long val;
+	int err;
 
-	data->vrm = simple_strtol(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	data->vrm = val;
 	return count;
 }
 
 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 
-static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms_reg(struct device *dev,
+			       struct device_attribute *attr, char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	return sprintf(buf, "%ld\n", data->alarms);
@@ -1277,18 +1369,24 @@ static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 24);
 static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 25);
 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 26);
 
-static ssize_t show_alarm_mask(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarm_mask(struct device *dev,
+			       struct device_attribute *attr, char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	return sprintf(buf, "%ld\n", data->alarm_mask);
 }
-static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf,
-		size_t count)
+static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr,
+			      const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
 	unsigned long mask;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->alarm_mask = val & 0x7fffffff;
@@ -1313,18 +1411,24 @@ static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
 	set_alarm_mask);
 
 
-static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
+			 char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	return sprintf(buf, "%ld\n", data->gpio);
 }
-static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const char *buf,
-		size_t count)
+static ssize_t set_gpio(struct device *dev, struct device_attribute *attr,
+			const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
 	long gpio;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->gpio = val & 0x1ffff;
@@ -1340,19 +1444,24 @@ static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const
 
 static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
 
-
-static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr,
+			      char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	return sprintf(buf, "%ld\n", data->gpio_mask);
 }
-static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf,
-		size_t count)
+static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr,
+			     const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
 	long mask;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->gpio_mask = val & 0x1ffff;
@@ -1368,19 +1477,26 @@ static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr,
 
 static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
 
-static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr,
+			    char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
 }
-static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf,
-		size_t count)
+
+static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr,
+			   const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
 
 	if (data->pwm1.enable == 1) {
-		int val = simple_strtol(buf, NULL, 10);
+		long val;
+		int err;
+
+		err = kstrtol(buf, 10, &val);
+		if (err)
+			return err;
 
 		mutex_lock(&data->update_lock);
 		data->pwm1.pwm = PWM_TO_REG(val);
@@ -1389,17 +1505,26 @@ static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, co
 	}
 	return count;
 }
-static ssize_t show_auto_pwm_min(struct device *dev, struct device_attribute *attr, char *buf)
+
+static ssize_t show_auto_pwm_min(struct device *dev,
+				 struct device_attribute *attr, char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
 }
-static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf,
-		size_t count)
+
+static ssize_t set_auto_pwm_min(struct device *dev,
+				struct device_attribute *attr, const char *buf,
+				size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->pwm1.auto_pwm_min = SENSORS_LIMIT(val, 0, 255);
@@ -1411,44 +1536,53 @@ static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *att
 	mutex_unlock(&data->update_lock);
 	return count;
 }
-static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf)
+
+static ssize_t show_auto_pwm_max(struct device *dev,
+				 struct device_attribute *attr, char *buf)
 {
 	return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
 }
-static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf)
+
+static ssize_t show_pwm_enable(struct device *dev,
+			       struct device_attribute *attr, char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
 	return sprintf(buf, "%d\n", data->pwm1.enable);
 }
-static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf,
-		size_t count)
+
+static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
+			      const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1026_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
 	int old_enable;
+	unsigned long val;
+	int err;
 
-	if ((val >= 0) && (val < 3)) {
-		mutex_lock(&data->update_lock);
-		old_enable = data->pwm1.enable;
-		data->pwm1.enable = val;
-		data->config1 = (data->config1 & ~CFG1_PWM_AFC)
-				| ((val == 2) ? CFG1_PWM_AFC : 0);
-		adm1026_write_value(client, ADM1026_REG_CONFIG1,
-			data->config1);
-		if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
-			data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
-				PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
-			adm1026_write_value(client, ADM1026_REG_PWM,
-				data->pwm1.pwm);
-		} else if (!((old_enable == 1) && (val == 1))) {
-			/* set pwm to safe value */
-			data->pwm1.pwm = 255;
-			adm1026_write_value(client, ADM1026_REG_PWM,
-				data->pwm1.pwm);
-		}
-		mutex_unlock(&data->update_lock);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	if (val >= 3)
+		return -EINVAL;
+
+	mutex_lock(&data->update_lock);
+	old_enable = data->pwm1.enable;
+	data->pwm1.enable = val;
+	data->config1 = (data->config1 & ~CFG1_PWM_AFC)
+			| ((val == 2) ? CFG1_PWM_AFC : 0);
+	adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
+	if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
+		data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
+			PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
+		adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
+	} else if (!((old_enable == 1) && (val == 1))) {
+		/* set pwm to safe value */
+		data->pwm1.pwm = 255;
+		adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
 	}
+	mutex_unlock(&data->update_lock);
+
 	return count;
 }
 
@@ -1716,7 +1850,8 @@ static int adm1026_probe(struct i2c_client *client,
 	adm1026_init_client(client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &adm1026_group)))
+	err = sysfs_create_group(&client->dev.kobj, &adm1026_group);
+	if (err)
 		goto exitfree;
 	if (data->config1 & CFG1_AIN8_9)
 		err = sysfs_create_group(&client->dev.kobj,
@@ -1761,20 +1896,9 @@ static int adm1026_remove(struct i2c_client *client)
 	return 0;
 }
 
-static int __init sm_adm1026_init(void)
-{
-	return i2c_add_driver(&adm1026_driver);
-}
-
-static void __exit sm_adm1026_exit(void)
-{
-	i2c_del_driver(&adm1026_driver);
-}
+module_i2c_driver(adm1026_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
 	      "Justin Thiessen <jthiessen@penguincomputing.com>");
 MODULE_DESCRIPTION("ADM1026 driver");
-
-module_init(sm_adm1026_init);
-module_exit(sm_adm1026_exit);
diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c
index 0b8a3b145bd2..80cc465d8ac7 100644
--- a/drivers/hwmon/adm1029.c
+++ b/drivers/hwmon/adm1029.c
@@ -78,7 +78,7 @@ static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
 
 #define TEMP_FROM_REG(val)	((val) * 1000)
 
-#define DIV_FROM_REG(val)	( 1 << (((val) >> 6) - 1))
+#define DIV_FROM_REG(val)	(1 << (((val) >> 6) - 1))
 
 /* Registers to be checked by adm1029_update_device() */
 static const u8 ADM1029_REG_TEMP[] = {
@@ -200,8 +200,11 @@ static ssize_t set_fan_div(struct device *dev,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm1029_data *data = i2c_get_clientdata(client);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	long val = simple_strtol(buf, NULL, 10);
 	u8 reg;
+	long val;
+	int ret = kstrtol(buf, 10, &val);
+	if (ret < 0)
+		return ret;
 
 	mutex_lock(&data->update_lock);
 
@@ -237,9 +240,9 @@ static ssize_t set_fan_div(struct device *dev,
 }
 
 /*
-Access rights on sysfs, S_IRUGO stand for Is Readable by User, Group and Others
-			S_IWUSR stand for Is Writable by User
-*/
+ * Access rights on sysfs. S_IRUGO: Is Readable by User, Group and Others
+ *			   S_IWUSR: Is Writable by User.
+ */
 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
@@ -300,7 +303,8 @@ static int adm1029_detect(struct i2c_client *client,
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
 
-	/* ADM1029 doesn't have CHIP ID, check just MAN ID
+	/*
+	 * ADM1029 doesn't have CHIP ID, check just MAN ID
 	 * For better detection we check also ADM1029_TEMP_DEVICES_INSTALLED,
 	 * ADM1029_REG_NB_FAN_SUPPORT and compare it with possible values
 	 * documented
@@ -318,8 +322,10 @@ static int adm1029_detect(struct i2c_client *client,
 		return -ENODEV;
 
 	if ((chip_id & 0xF0) != 0x00) {
-		/* There are no "official" CHIP ID, so actually
-		 * we use Major/Minor revision for that */
+		/*
+		 * There are no "official" CHIP ID, so actually
+		 * we use Major/Minor revision for that
+		 */
 		pr_info("adm1029: Unknown major revision %x, "
 			"please let us know\n", chip_id);
 		return -ENODEV;
@@ -355,7 +361,8 @@ static int adm1029_probe(struct i2c_client *client,
 	}
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &adm1029_group)))
+	err = sysfs_create_group(&client->dev.kobj, &adm1029_group);
+	if (err)
 		goto exit_free;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -403,8 +410,8 @@ static int adm1029_remove(struct i2c_client *client)
 }
 
 /*
-function that update the status of the chips (temperature for example)
-*/
+ * function that update the status of the chips (temperature for example)
+ */
 static struct adm1029_data *adm1029_update_device(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
@@ -446,24 +453,8 @@ static struct adm1029_data *adm1029_update_device(struct device *dev)
 	return data;
 }
 
-/*
-	Common module stuff
-*/
-static int __init sensors_adm1029_init(void)
-{
-
-	return i2c_add_driver(&adm1029_driver);
-}
-
-static void __exit sensors_adm1029_exit(void)
-{
-
-	i2c_del_driver(&adm1029_driver);
-}
+module_i2c_driver(adm1029_driver);
 
 MODULE_AUTHOR("Corentin LABBE <corentin.labbe@geomatys.fr>");
 MODULE_DESCRIPTION("adm1029 driver");
 MODULE_LICENSE("GPL v2");
-
-module_init(sensors_adm1029_init);
-module_exit(sensors_adm1029_exit);
diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c
index 97e2cfb0bc93..ff37363ea5bc 100644
--- a/drivers/hwmon/adm1031.c
+++ b/drivers/hwmon/adm1031.c
@@ -1,25 +1,25 @@
 /*
-  adm1031.c - Part of lm_sensors, Linux kernel modules for hardware
-  monitoring
-  Based on lm75.c and lm85.c
-  Supports adm1030 / adm1031
-  Copyright (C) 2004 Alexandre d'Alton <alex@alexdalton.org>
-  Reworked by Jean Delvare <khali@linux-fr.org>
-
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program; if not, write to the Free Software
-  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * adm1031.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	       monitoring
+ * Based on lm75.c and lm85.c
+ * Supports adm1030 / adm1031
+ * Copyright (C) 2004 Alexandre d'Alton <alex@alexdalton.org>
+ * Reworked by Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -80,7 +80,8 @@ struct adm1031_data {
 	char valid;		/* !=0 if following fields are valid */
 	unsigned long last_updated;	/* In jiffies */
 	unsigned int update_interval;	/* In milliseconds */
-	/* The chan_select_table contains the possible configurations for
+	/*
+	 * The chan_select_table contains the possible configurations for
 	 * auto fan control.
 	 */
 	const auto_chan_table_t *chan_select_table;
@@ -205,7 +206,8 @@ static int AUTO_TEMP_MAX_TO_REG(int val, int reg, int pwm)
 #define GET_FAN_AUTO_BITFIELD(data, idx)	\
 	(*(data)->chan_select_table)[FAN_CHAN_FROM_REG((data)->conf1)][idx % 2]
 
-/* The tables below contains the possible values for the auto fan
+/*
+ * The tables below contains the possible values for the auto fan
  * control bitfields. the index in the table is the register value.
  * MSb is the auto fan control enable bit, so the four first entries
  * in the table disables auto fan control when both bitfields are zero.
@@ -226,7 +228,8 @@ static const auto_chan_table_t auto_channel_select_table_adm1030 = {
 	{ 3 /* 0b11 */		, 0 },
 };
 
-/* That function checks if a bitfield is valid and returns the other bitfield
+/*
+ * That function checks if a bitfield is valid and returns the other bitfield
  * nearest match if no exact match where found.
  */
 static int
@@ -252,7 +255,8 @@ get_fan_auto_nearest(struct adm1031_data *data,
 			break;
 		} else if (val == (*data->chan_select_table)[i][chan] &&
 			   first_match == -1) {
-			/* Save the first match in case of an exact match has
+			/*
+			 * Save the first match in case of an exact match has
 			 * not been found
 			 */
 			first_match = i;
@@ -306,9 +310,11 @@ set_fan_auto_channel(struct device *dev, struct device_attribute *attr,
 	if ((data->conf1 & ADM1031_CONF1_AUTO_MODE) ^
 	    (old_fan_mode & ADM1031_CONF1_AUTO_MODE)) {
 		if (data->conf1 & ADM1031_CONF1_AUTO_MODE) {
-			/* Switch to Auto Fan Mode
+			/*
+			 * Switch to Auto Fan Mode
 			 * Save PWM registers
-			 * Set PWM registers to 33% Both */
+			 * Set PWM registers to 33% Both
+			 */
 			data->old_pwm[0] = data->pwm[0];
 			data->old_pwm[1] = data->pwm[1];
 			adm1031_write_value(client, ADM1031_REG_PWM, 0x55);
@@ -1131,19 +1137,8 @@ static struct adm1031_data *adm1031_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_adm1031_init(void)
-{
-	return i2c_add_driver(&adm1031_driver);
-}
-
-static void __exit sensors_adm1031_exit(void)
-{
-	i2c_del_driver(&adm1031_driver);
-}
+module_i2c_driver(adm1031_driver);
 
 MODULE_AUTHOR("Alexandre d'Alton <alex@alexdalton.org>");
 MODULE_DESCRIPTION("ADM1031/ADM1030 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_adm1031_init);
-module_exit(sensors_adm1031_exit);
diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c
index 3f63f5f9741d..c3c2865a8967 100644
--- a/drivers/hwmon/adm9240.c
+++ b/drivers/hwmon/adm9240.c
@@ -1,12 +1,12 @@
 /*
  * adm9240.c	Part of lm_sensors, Linux kernel modules for hardware
- * 		monitoring
+ *		monitoring
  *
  * Copyright (C) 1999	Frodo Looijaard <frodol@dds.nl>
  *			Philip Edelbrock <phil@netroedge.com>
  * Copyright (C) 2003	Michiel Rook <michiel@grendelproject.nl>
  * Copyright (C) 2005	Grant Coady <gcoady.lk@gmail.com> with valuable
- * 				guidance from Jean Delvare
+ *				guidance from Jean Delvare
  *
  * Driver supports	Analog Devices		ADM9240
  *			Dallas Semiconductor	DS1780
@@ -204,7 +204,12 @@ static ssize_t set_max(struct device *dev, struct device_attribute *devattr,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm9240_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_max[attr->index] = TEMP_TO_REG(val);
@@ -255,7 +260,12 @@ static ssize_t set_in_min(struct device *dev,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm9240_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[attr->index] = IN_TO_REG(val, attr->index);
@@ -272,7 +282,12 @@ static ssize_t set_in_max(struct device *dev,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm9240_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[attr->index] = IN_TO_REG(val, attr->index);
@@ -283,7 +298,7 @@ static ssize_t set_in_max(struct device *dev,
 }
 
 #define vin(nr)							\
-static SENSOR_DEVICE_ATTR(in##nr##_input, S_IRUGO, 		\
+static SENSOR_DEVICE_ATTR(in##nr##_input, S_IRUGO,		\
 		show_in, NULL, nr);				\
 static SENSOR_DEVICE_ATTR(in##nr##_min, S_IRUGO | S_IWUSR,	\
 		show_in_min, set_in_min, nr);			\
@@ -357,9 +372,14 @@ static ssize_t set_fan_min(struct device *dev,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm9240_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
 	int nr = attr->index;
 	u8 new_div;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -465,7 +485,12 @@ static ssize_t set_aout(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct adm9240_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->aout = AOUT_TO_REG(val);
@@ -481,7 +506,12 @@ static ssize_t chassis_clear_legacy(struct device *dev,
 		const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
-	unsigned long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	dev_warn(dev, "Attribute chassis_clear is deprecated, "
 		 "use intrusion0_alarm instead\n");
@@ -632,7 +662,8 @@ static int adm9240_probe(struct i2c_client *new_client,
 	adm9240_init_client(new_client);
 
 	/* populate sysfs filesystem */
-	if ((err = sysfs_create_group(&new_client->dev.kobj, &adm9240_group)))
+	err = sysfs_create_group(&new_client->dev.kobj, &adm9240_group);
+	if (err)
 		goto exit_free;
 
 	data->hwmon_dev = hwmon_device_register(&new_client->dev);
@@ -681,8 +712,7 @@ static void adm9240_init_client(struct i2c_client *client)
 	} else { /* cold start: open limits before starting chip */
 		int i;
 
-		for (i = 0; i < 6; i++)
-		{
+		for (i = 0; i < 6; i++) {
 			i2c_smbus_write_byte_data(client,
 					ADM9240_REG_IN_MIN(i), 0);
 			i2c_smbus_write_byte_data(client,
@@ -717,8 +747,7 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
 	if (time_after(jiffies, data->last_updated_measure + (HZ * 7 / 4))
 			|| !data->valid) {
 
-		for (i = 0; i < 6; i++) /* read voltages */
-		{
+		for (i = 0; i < 6; i++) { /* read voltages */
 			data->in[i] = i2c_smbus_read_byte_data(client,
 					ADM9240_REG_IN(i));
 		}
@@ -727,16 +756,17 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
 					i2c_smbus_read_byte_data(client,
 					ADM9240_REG_INT(1)) << 8;
 
-		/* read temperature: assume temperature changes less than
+		/*
+		 * read temperature: assume temperature changes less than
 		 * 0.5'C per two measurement cycles thus ignore possible
-		 * but unlikely aliasing error on lsb reading. --Grant */
+		 * but unlikely aliasing error on lsb reading. --Grant
+		 */
 		data->temp = ((i2c_smbus_read_byte_data(client,
 					ADM9240_REG_TEMP) << 8) |
 					i2c_smbus_read_byte_data(client,
 					ADM9240_REG_TEMP_CONF)) / 128;
 
-		for (i = 0; i < 2; i++) /* read fans */
-		{
+		for (i = 0; i < 2; i++) { /* read fans */
 			data->fan[i] = i2c_smbus_read_byte_data(client,
 					ADM9240_REG_FAN(i));
 
@@ -760,15 +790,13 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
 	if (time_after(jiffies, data->last_updated_config + (HZ * 300))
 			|| !data->valid) {
 
-		for (i = 0; i < 6; i++)
-		{
+		for (i = 0; i < 6; i++) {
 			data->in_min[i] = i2c_smbus_read_byte_data(client,
 					ADM9240_REG_IN_MIN(i));
 			data->in_max[i] = i2c_smbus_read_byte_data(client,
 					ADM9240_REG_IN_MAX(i));
 		}
-		for (i = 0; i < 2; i++)
-		{
+		for (i = 0; i < 2; i++) {
 			data->fan_min[i] = i2c_smbus_read_byte_data(client,
 					ADM9240_REG_FAN_MIN(i));
 		}
@@ -795,21 +823,9 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_adm9240_init(void)
-{
-	return i2c_add_driver(&adm9240_driver);
-}
-
-static void __exit sensors_adm9240_exit(void)
-{
-	i2c_del_driver(&adm9240_driver);
-}
+module_i2c_driver(adm9240_driver);
 
 MODULE_AUTHOR("Michiel Rook <michiel@grendelproject.nl>, "
 		"Grant Coady <gcoady.lk@gmail.com> and others");
 MODULE_DESCRIPTION("ADM9240/DS1780/LM81 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_adm9240_init);
-module_exit(sensors_adm9240_exit);
-
diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c
index dd87ae96c262..7765e4f74ec5 100644
--- a/drivers/hwmon/ads1015.c
+++ b/drivers/hwmon/ads1015.c
@@ -305,19 +305,8 @@ static struct i2c_driver ads1015_driver = {
 	.id_table = ads1015_id,
 };
 
-static int __init sensors_ads1015_init(void)
-{
-	return i2c_add_driver(&ads1015_driver);
-}
-
-static void __exit sensors_ads1015_exit(void)
-{
-	i2c_del_driver(&ads1015_driver);
-}
+module_i2c_driver(ads1015_driver);
 
 MODULE_AUTHOR("Dirk Eibach <eibach@gdsys.de>");
 MODULE_DESCRIPTION("ADS1015 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_ads1015_init);
-module_exit(sensors_ads1015_exit);
diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c
index ed60242d6a0a..bf3fdf495595 100644
--- a/drivers/hwmon/ads7828.c
+++ b/drivers/hwmon/ads7828.c
@@ -1,27 +1,27 @@
 /*
-	ads7828.c - lm_sensors driver for ads7828 12-bit 8-channel ADC
-	(C) 2007 EADS Astrium
-
-	This driver is based on the lm75 and other lm_sensors/hwmon drivers
-
-	Written by Steve Hardy <shardy@redhat.com>
-
-	Datasheet available at: http://focus.ti.com/lit/ds/symlink/ads7828.pdf
-
-	This program is free software; you can redistribute it and/or modify
-	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation; either version 2 of the License, or
-	(at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
-	GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to the Free Software
-	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * ads7828.c - lm_sensors driver for ads7828 12-bit 8-channel ADC
+ * (C) 2007 EADS Astrium
+ *
+ * This driver is based on the lm75 and other lm_sensors/hwmon drivers
+ *
+ * Written by Steve Hardy <shardy@redhat.com>
+ *
+ * Datasheet available at: http://focus.ti.com/lit/ds/symlink/ads7828.pdf
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -188,12 +188,13 @@ static int ads7828_detect(struct i2c_client *client,
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_WORD_DATA))
 		return -ENODEV;
 
-	/* Now, we do the remaining detection. There is no identification
-	dedicated register so attempt to sanity check using knowledge of
-	the chip
-	- Read from the 8 channel addresses
-	- Check the top 4 bits of each result are not set (12 data bits)
-	*/
+	/*
+	 * Now, we do the remaining detection. There is no identification
+	 * dedicated register so attempt to sanity check using knowledge of
+	 * the chip
+	 * - Read from the 8 channel addresses
+	 * - Check the top 4 bits of each result are not set (12 data bits)
+	 */
 	for (ch = 0; ch < ADS7828_NCH; ch++) {
 		u16 in_data;
 		u8 cmd = channel_cmd_byte(ch);
diff --git a/drivers/hwmon/ads7871.c b/drivers/hwmon/ads7871.c
index 04450f8bf5da..e65c6e45d36b 100644
--- a/drivers/hwmon/ads7871.c
+++ b/drivers/hwmon/ads7871.c
@@ -34,9 +34,11 @@
 #define REG_SER_CONTROL 24 /*Serial Interface Control Register*/
 #define REG_ID		31 /*ID Register*/
 
-/*From figure 17 in the datasheet
-* These bits get ORed with the address to form
-* the instruction byte */
+/*
+ * From figure 17 in the datasheet
+ * These bits get ORed with the address to form
+ * the instruction byte
+ */
 /*Instruction Bit masks*/
 #define INST_MODE_bm	(1<<7)
 #define INST_READ_bm	(1<<6)
@@ -105,8 +107,10 @@ static ssize_t show_voltage(struct device *dev,
 	uint8_t channel, mux_cnv;
 
 	channel = attr->index;
-	/*TODO: add support for conversions
-	 *other than single ended with a gain of 1*/
+	/*
+	 * TODO: add support for conversions
+	 * other than single ended with a gain of 1
+	 */
 	/*MUX_M3_bm forces single ended*/
 	/*This is also where the gain of the PGA would be set*/
 	ads7871_write_reg8(spi, REG_GAIN_MUX,
@@ -114,8 +118,10 @@ static ssize_t show_voltage(struct device *dev,
 
 	ret = ads7871_read_reg8(spi, REG_GAIN_MUX);
 	mux_cnv = ((ret & MUX_CNV_bm)>>MUX_CNV_bv);
-	/*on 400MHz arm9 platform the conversion
-	 *is already done when we do this test*/
+	/*
+	 * on 400MHz arm9 platform the conversion
+	 * is already done when we do this test
+	 */
 	while ((i < 2) && mux_cnv) {
 		i++;
 		ret = ads7871_read_reg8(spi, REG_GAIN_MUX);
@@ -179,8 +185,10 @@ static int __devinit ads7871_probe(struct spi_device *spi)
 	ret = ads7871_read_reg8(spi, REG_OSC_CONTROL);
 
 	dev_dbg(&spi->dev, "REG_OSC_CONTROL write:%x, read:%x\n", val, ret);
-	/*because there is no other error checking on an SPI bus
-	we need to make sure we really have a chip*/
+	/*
+	 * because there is no other error checking on an SPI bus
+	 * we need to make sure we really have a chip
+	 */
 	if (val != ret) {
 		err = -ENODEV;
 		goto exit;
@@ -234,18 +242,7 @@ static struct spi_driver ads7871_driver = {
 	.remove = __devexit_p(ads7871_remove),
 };
 
-static int __init ads7871_init(void)
-{
-	return spi_register_driver(&ads7871_driver);
-}
-
-static void __exit ads7871_exit(void)
-{
-	spi_unregister_driver(&ads7871_driver);
-}
-
-module_init(ads7871_init);
-module_exit(ads7871_exit);
+module_spi_driver(ads7871_driver);
 
 MODULE_AUTHOR("Paul Thomas <pthomas8589@gmail.com>");
 MODULE_DESCRIPTION("TI ADS7871 A/D driver");
diff --git a/drivers/hwmon/adt7411.c b/drivers/hwmon/adt7411.c
index 5b02f7a91018..71bacc56e138 100644
--- a/drivers/hwmon/adt7411.c
+++ b/drivers/hwmon/adt7411.c
@@ -8,7 +8,7 @@
  *  published by the Free Software Foundation.
  *
  *  TODO: SPI, support for external temperature sensor
- * 	  use power-down mode for suspend?, interrupt handling?
+ *	  use power-down mode for suspend?, interrupt handling?
  */
 
 #include <linux/kernel.h>
@@ -348,17 +348,7 @@ static struct i2c_driver adt7411_driver = {
 	.class = I2C_CLASS_HWMON,
 };
 
-static int __init sensors_adt7411_init(void)
-{
-	return i2c_add_driver(&adt7411_driver);
-}
-module_init(sensors_adt7411_init)
-
-static void __exit sensors_adt7411_exit(void)
-{
-	i2c_del_driver(&adt7411_driver);
-}
-module_exit(sensors_adt7411_exit)
+module_i2c_driver(adt7411_driver);
 
 MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de> and "
 	"Wolfram Sang <w.sang@pengutronix.de>");
diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c
index 7a1494846cfd..339269f76e57 100644
--- a/drivers/hwmon/adt7462.c
+++ b/drivers/hwmon/adt7462.c
@@ -65,8 +65,8 @@ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END };
 #define ADT7462_REG_PWM_TEMP_MIN_MAX_ADDR	0x5F
 #define ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR	0x60
 #define ADT7462_REG_PWM_TEMP_RANGE_MAX_ADDR	0x63
-#define 	ADT7462_PWM_HYST_MASK		0x0F
-#define 	ADT7462_PWM_RANGE_MASK		0xF0
+#define	ADT7462_PWM_HYST_MASK			0x0F
+#define	ADT7462_PWM_RANGE_MASK			0xF0
 #define		ADT7462_PWM_RANGE_SHIFT		4
 #define ADT7462_REG_PWM_CFG_BASE_ADDR		0x21
 #define ADT7462_REG_PWM_CFG_MAX_ADDR		0x24
@@ -85,7 +85,7 @@ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END };
 #define		ADT7462_PIN15_INPUT		0x20
 #define		ADT7462_PIN13_INPUT		0x40
 #define		ADT7462_PIN8_INPUT		0x80
-#define 	ADT7462_PIN23_MASK		0x03
+#define		ADT7462_PIN23_MASK		0x03
 #define		ADT7462_PIN23_SHIFT		0
 #define		ADT7462_PIN26_MASK		0x0C	/* cfg2 */
 #define		ADT7462_PIN26_SHIFT		2
@@ -99,7 +99,7 @@ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END };
 #define		ADT7462_PIN28_VOLT		0x5
 
 #define ADT7462_REG_ALARM1			0xB8
-#define 	ADT7462_LT_ALARM		0x02
+#define	ADT7462_LT_ALARM			0x02
 #define		ADT7462_R1T_ALARM		0x04
 #define		ADT7462_R2T_ALARM		0x08
 #define		ADT7462_R3T_ALARM		0x10
@@ -135,9 +135,9 @@ static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END };
 #define ADT7462_ALARM_FLAG_MASK			0x0F
 
 #define ADT7462_TEMP_COUNT		4
-#define ADT7462_TEMP_REG(x)		(ADT7462_REG_TEMP_BASE_ADDR + (x * 2))
-#define ADT7462_TEMP_MIN_REG(x) 	(ADT7462_REG_MIN_TEMP_BASE_ADDR + (x))
-#define ADT7462_TEMP_MAX_REG(x) 	(ADT7462_REG_MAX_TEMP_BASE_ADDR + (x))
+#define ADT7462_TEMP_REG(x)		(ADT7462_REG_TEMP_BASE_ADDR + ((x) * 2))
+#define ADT7462_TEMP_MIN_REG(x)		(ADT7462_REG_MIN_TEMP_BASE_ADDR + (x))
+#define ADT7462_TEMP_MAX_REG(x)		(ADT7462_REG_MAX_TEMP_BASE_ADDR + (x))
 #define TEMP_FRAC_OFFSET		6
 
 #define ADT7462_FAN_COUNT		8
@@ -1727,8 +1727,7 @@ static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO,
 static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IWUSR | S_IRUGO,
 		    show_pwm_auto_temp, set_pwm_auto_temp, 3);
 
-static struct attribute *adt7462_attr[] =
-{
+static struct attribute *adt7462_attr[] = {
 	&sensor_dev_attr_temp1_max.dev_attr.attr,
 	&sensor_dev_attr_temp2_max.dev_attr.attr,
 	&sensor_dev_attr_temp3_max.dev_attr.attr,
@@ -1975,19 +1974,8 @@ static int adt7462_remove(struct i2c_client *client)
 	return 0;
 }
 
-static int __init adt7462_init(void)
-{
-	return i2c_add_driver(&adt7462_driver);
-}
-
-static void __exit adt7462_exit(void)
-{
-	i2c_del_driver(&adt7462_driver);
-}
+module_i2c_driver(adt7462_driver);
 
 MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>");
 MODULE_DESCRIPTION("ADT7462 driver");
 MODULE_LICENSE("GPL");
-
-module_init(adt7462_init);
-module_exit(adt7462_exit);
diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index 5e10c79f2dfd..54ec890521ff 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -1131,8 +1131,7 @@ static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO,
 static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IWUSR | S_IRUGO,
 		    show_pwm_auto_temp, set_pwm_auto_temp, 3);
 
-static struct attribute *adt7470_attr[] =
-{
+static struct attribute *adt7470_attr[] = {
 	&dev_attr_alarm_mask.attr,
 	&dev_attr_num_temp_sensors.attr,
 	&dev_attr_auto_update_interval.attr,
@@ -1276,7 +1275,8 @@ static int adt7470_probe(struct i2c_client *client,
 
 	/* Register sysfs hooks */
 	data->attrs.attrs = adt7470_attr;
-	if ((err = sysfs_create_group(&client->dev.kobj, &data->attrs)))
+	err = sysfs_create_group(&client->dev.kobj, &data->attrs);
+	if (err)
 		goto exit_free;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -1317,19 +1317,8 @@ static int adt7470_remove(struct i2c_client *client)
 	return 0;
 }
 
-static int __init adt7470_init(void)
-{
-	return i2c_add_driver(&adt7470_driver);
-}
-
-static void __exit adt7470_exit(void)
-{
-	i2c_del_driver(&adt7470_driver);
-}
+module_i2c_driver(adt7470_driver);
 
 MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>");
 MODULE_DESCRIPTION("ADT7470 driver");
 MODULE_LICENSE("GPL");
-
-module_init(adt7470_init);
-module_exit(adt7470_exit);
diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index 7dab3547fee5..df29d13a5349 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -32,9 +32,10 @@
 #define THERM		5
 #define HYSTERSIS	6
 
-/* These are unique identifiers for the sysfs functions - unlike the
-   numbers above, these are not also indexes into an array
-*/
+/*
+ * These are unique identifiers for the sysfs functions - unlike the
+ * numbers above, these are not also indexes into an array
+ */
 
 #define ALARM		9
 #define FAULT		10
@@ -288,8 +289,10 @@ static void adt7475_write_word(struct i2c_client *client, int reg, u16 val)
 	i2c_smbus_write_byte_data(client, reg, val & 0xFF);
 }
 
-/* Find the nearest value in a table - used for pwm frequency and
-   auto temp range */
+/*
+ * Find the nearest value in a table - used for pwm frequency and
+ * auto temp range
+ */
 static int find_nearest(long val, const int *array, int size)
 {
 	int i;
@@ -385,16 +388,20 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
 			out = (out >> 4) & 0xF;
 		else
 			out = (out & 0xF);
-		/* Show the value as an absolute number tied to
-		 * THERM */
+		/*
+		 * Show the value as an absolute number tied to
+		 * THERM
+		 */
 		out = reg2temp(data, data->temp[THERM][sattr->index]) -
 			out * 1000;
 		mutex_unlock(&data->lock);
 		break;
 
 	case OFFSET:
-		/* Offset is always 2's complement, regardless of the
-		 * setting in CONFIG5 */
+		/*
+		 * Offset is always 2's complement, regardless of the
+		 * setting in CONFIG5
+		 */
 		mutex_lock(&data->lock);
 		out = (s8)data->temp[sattr->nr][sattr->index];
 		if (data->config5 & CONFIG5_TEMPOFFSET)
@@ -452,8 +459,10 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
 		break;
 
 	case HYSTERSIS:
-		/* The value will be given as an absolute value, turn it
-		   into an offset based on THERM */
+		/*
+		 * The value will be given as an absolute value, turn it
+		 * into an offset based on THERM
+		 */
 
 		/* Read fresh THERM and HYSTERSIS values from the chip */
 		data->temp[THERM][sattr->index] =
@@ -478,8 +487,10 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
 	default:
 		data->temp[sattr->nr][sattr->index] = temp2reg(data, val);
 
-		/* We maintain an extra 2 digits of precision for simplicity
-		 * - shift those back off before writing the value */
+		/*
+		 * We maintain an extra 2 digits of precision for simplicity
+		 * - shift those back off before writing the value
+		 */
 		out = (u8) (data->temp[sattr->nr][sattr->index] >> 2);
 	}
 
@@ -514,8 +525,10 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-/* Table of autorange values - the user will write the value in millidegrees,
-   and we'll convert it */
+/*
+ * Table of autorange values - the user will write the value in millidegrees,
+ * and we'll convert it
+ */
 static const int autorange_table[] = {
 	2000, 2500, 3330, 4000, 5000, 6670, 8000,
 	10000, 13330, 16000, 20000, 26670, 32000, 40000,
@@ -558,8 +571,10 @@ static ssize_t set_point2(struct device *dev, struct device_attribute *attr,
 	data->range[sattr->index] =
 		adt7475_read(TEMP_TRANGE_REG(sattr->index));
 
-	/* The user will write an absolute value, so subtract the start point
-	   to figure the range */
+	/*
+	 * The user will write an absolute value, so subtract the start point
+	 * to figure the range
+	 */
 	temp = reg2temp(data, data->temp[AUTOMIN][sattr->index]);
 	val = SENSORS_LIMIT(val, temp + autorange_table[0],
 		temp + autorange_table[ARRAY_SIZE(autorange_table) - 1]);
@@ -664,8 +679,10 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 		data->pwm[CONTROL][sattr->index] =
 			adt7475_read(PWM_CONFIG_REG(sattr->index));
 
-		/* If we are not in manual mode, then we shouldn't allow
-		 * the user to set the pwm speed */
+		/*
+		 * If we are not in manual mode, then we shouldn't allow
+		 * the user to set the pwm speed
+		 */
 		if (((data->pwm[CONTROL][sattr->index] >> 5) & 7) != 7) {
 			mutex_unlock(&data->lock);
 			return count;
@@ -1232,7 +1249,7 @@ static void adt7475_remove_files(struct i2c_client *client,
 static int adt7475_probe(struct i2c_client *client,
 			 const struct i2c_device_id *id)
 {
-	static const char *names[] = {
+	static const char * const names[] = {
 		[adt7473] = "ADT7473",
 		[adt7475] = "ADT7475",
 		[adt7476] = "ADT7476",
@@ -1280,9 +1297,11 @@ static int adt7475_probe(struct i2c_client *client,
 	if ((data->config4 & CONFIG4_PINFUNC) == 0x0)
 		data->has_fan4 = 1;
 
-	/* THERM configuration is more complex on the ADT7476 and ADT7490,
-	   because 2 different pins (TACH4 and +2.5 Vin) can be used for
-	   this function */
+	/*
+	 * THERM configuration is more complex on the ADT7476 and ADT7490,
+	 * because 2 different pins (TACH4 and +2.5 Vin) can be used for
+	 * this function
+	 */
 	if (id->driver_data == adt7490) {
 		if ((data->config4 & CONFIG4_PINFUNC) == 0x1 &&
 		    !(config3 & CONFIG3_THERM))
@@ -1294,8 +1313,10 @@ static int adt7475_probe(struct i2c_client *client,
 			data->has_voltage |= (1 << 0);		/* in0 */
 	}
 
-	/* On the ADT7476, the +12V input pin may instead be used as VID5,
-	   and VID pins may alternatively be used as GPIO */
+	/*
+	 * On the ADT7476, the +12V input pin may instead be used as VID5,
+	 * and VID pins may alternatively be used as GPIO
+	 */
 	if (id->driver_data == adt7476) {
 		u8 vid = adt7475_read(REG_VID);
 		if (!(vid & VID_VIDSEL))
@@ -1314,8 +1335,10 @@ static int adt7475_probe(struct i2c_client *client,
 	}
 	data->bypass_attn &= data->has_voltage;
 
-	/* Call adt7475_read_pwm for all pwm's as this will reprogram any
-	   pwm's which are disabled to manual mode with 0% duty cycle */
+	/*
+	 * Call adt7475_read_pwm for all pwm's as this will reprogram any
+	 * pwm's which are disabled to manual mode with 0% duty cycle
+	 */
 	for (i = 0; i < ADT7475_PWM_COUNT; i++)
 		adt7475_read_pwm(client, i);
 
@@ -1431,8 +1454,10 @@ static void adt7475_read_pwm(struct i2c_client *client, int index)
 
 	data->pwm[CONTROL][index] = adt7475_read(PWM_CONFIG_REG(index));
 
-	/* Figure out the internal value for pwmctrl and pwmchan
-	   based on the current settings */
+	/*
+	 * Figure out the internal value for pwmctrl and pwmchan
+	 * based on the current settings
+	 */
 	v = (data->pwm[CONTROL][index] >> 5) & 7;
 
 	if (v == 3)
@@ -1440,10 +1465,11 @@ static void adt7475_read_pwm(struct i2c_client *client, int index)
 	else if (v == 7)
 		data->pwmctl[index] = 1;
 	else if (v == 4) {
-		/* The fan is disabled - we don't want to
-		   support that, so change to manual mode and
-		   set the duty cycle to 0 instead
-		*/
+		/*
+		 * The fan is disabled - we don't want to
+		 * support that, so change to manual mode and
+		 * set the duty cycle to 0 instead
+		 */
 		data->pwm[INPUT][index] = 0;
 		data->pwm[CONTROL][index] &= ~0xE0;
 		data->pwm[CONTROL][index] |= (7 << 5);
@@ -1600,19 +1626,8 @@ static struct adt7475_data *adt7475_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_adt7475_init(void)
-{
-	return i2c_add_driver(&adt7475_driver);
-}
-
-static void __exit sensors_adt7475_exit(void)
-{
-	i2c_del_driver(&adt7475_driver);
-}
+module_i2c_driver(adt7475_driver);
 
 MODULE_AUTHOR("Advanced Micro Devices, Inc");
 MODULE_DESCRIPTION("adt7475 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_adt7475_init);
-module_exit(sensors_adt7475_exit);
diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
index 89a6b9da0ec3..f600fa1f92e3 100644
--- a/drivers/hwmon/amc6821.c
+++ b/drivers/hwmon/amc6821.c
@@ -1,25 +1,25 @@
 /*
-	amc6821.c - Part of lm_sensors, Linux kernel modules for hardware
-	monitoring
-	Copyright (C) 2009 T. Mertelj <tomaz.mertelj@guest.arnes.si>
-
-	Based on max6650.c:
-	Copyright (C) 2007 Hans J. Koch <hjk@hansjkoch.de>
-
-	This program is free software; you can redistribute it and/or modify
-	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation; either version 2 of the License, or
-	(at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to the Free Software
-	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * amc6821.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	       monitoring
+ * Copyright (C) 2009 T. Mertelj <tomaz.mertelj@guest.arnes.si>
+ *
+ * Based on max6650.c:
+ * Copyright (C) 2007 Hans J. Koch <hjk@hansjkoch.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 
 #include <linux/kernel.h>	/* Needed for KERN_INFO */
@@ -47,7 +47,7 @@ static const unsigned short normal_i2c[] = {0x18, 0x19, 0x1a, 0x2c, 0x2d, 0x2e,
  * Insmod parameters
  */
 
-static int pwminv = 0;	/*Inverted PWM output. */
+static int pwminv;	/*Inverted PWM output. */
 module_param(pwminv, int, S_IRUGO);
 
 static int init = 1; /*Power-on initialization.*/
@@ -188,7 +188,7 @@ static struct i2c_driver amc6821_driver = {
 
 /*
  * Client data (each client gets its own)
-  */
+ */
 
 struct amc6821_data {
 	struct device *hwmon_dev;
@@ -836,8 +836,10 @@ static int amc6821_detect(
 		return -ENODEV;
 	}
 
-	/* Bit 7 of the address register is ignored, so we can check the
-	   ID registers again */
+	/*
+	 * Bit 7 of the address register is ignored, so we can check the
+	 * ID registers again
+	 */
 	dev_id = i2c_smbus_read_byte_data(client, 0x80 | AMC6821_REG_DEV_ID);
 	comp_id = i2c_smbus_read_byte_data(client, 0x80 | AMC6821_REG_COMP_ID);
 	if (dev_id != 0x21 || comp_id != 0x49) {
@@ -1080,9 +1082,10 @@ static struct amc6821_data *amc6821_update_device(struct device *dev)
 			data->pwm1_auto_channels_temp = 3;
 			data->pwm1_enable = 3;
 			break;
-		case 1: /*semi-open loop: software sets rpm, chip controls pwm1,
-			  *currently not implemented
-			  */
+		case 1: /*
+			 * semi-open loop: software sets rpm, chip controls
+			 * pwm1, currently not implemented
+			 */
 			data->pwm1_auto_channels_temp = 0;
 			data->pwm1_enable = 0;
 			break;
@@ -1095,20 +1098,7 @@ static struct amc6821_data *amc6821_update_device(struct device *dev)
 	return data;
 }
 
-
-static int __init amc6821_init(void)
-{
-	return i2c_add_driver(&amc6821_driver);
-}
-
-static void __exit amc6821_exit(void)
-{
-	i2c_del_driver(&amc6821_driver);
-}
-
-module_init(amc6821_init);
-module_exit(amc6821_exit);
-
+module_i2c_driver(amc6821_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("T. Mertelj <tomaz.mertelj@guest.arnes.si>");
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index b9895531240d..f082e48ab113 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -344,8 +344,10 @@ static int applesmc_get_lower_bound(unsigned int *lo, const char *key)
 	while (begin != end) {
 		int middle = begin + (end - begin) / 2;
 		entry = applesmc_get_entry_by_index(middle);
-		if (IS_ERR(entry))
+		if (IS_ERR(entry)) {
+			*lo = 0;
 			return PTR_ERR(entry);
+		}
 		if (strcmp(entry->key, key) < 0)
 			begin = middle + 1;
 		else
@@ -364,8 +366,10 @@ static int applesmc_get_upper_bound(unsigned int *hi, const char *key)
 	while (begin != end) {
 		int middle = begin + (end - begin) / 2;
 		entry = applesmc_get_entry_by_index(middle);
-		if (IS_ERR(entry))
+		if (IS_ERR(entry)) {
+			*hi = smcreg.key_count;
 			return PTR_ERR(entry);
+		}
 		if (strcmp(key, entry->key) < 0)
 			end = middle;
 		else
@@ -1189,8 +1193,10 @@ static int applesmc_dmi_match(const struct dmi_system_id *id)
 	return 1;
 }
 
-/* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
- * So we need to put "Apple MacBook Pro" before "Apple MacBook". */
+/*
+ * Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
+ * So we need to put "Apple MacBook Pro" before "Apple MacBook".
+ */
 static __initdata struct dmi_system_id applesmc_whitelist[] = {
 	{ applesmc_dmi_match, "Apple MacBook Air", {
 	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c
index d7bd1f3f2a31..4b8814deabb1 100644
--- a/drivers/hwmon/asb100.c
+++ b/drivers/hwmon/asb100.c
@@ -1,40 +1,40 @@
 /*
-    asb100.c - Part of lm_sensors, Linux kernel modules for hardware
-	        monitoring
-
-    Copyright (C) 2004 Mark M. Hoffman <mhoffman@lightlink.com>
-
-	(derived from w83781d.c)
-
-    Copyright (C) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
-    Philip Edelbrock <phil@netroedge.com>, and
-    Mark Studebaker <mdsxyz123@yahoo.com>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * asb100.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	      monitoring
+ *
+ * Copyright (C) 2004 Mark M. Hoffman <mhoffman@lightlink.com>
+ *
+ * (derived from w83781d.c)
+ *
+ * Copyright (C) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
+ *			      Philip Edelbrock <phil@netroedge.com>, and
+ *			      Mark Studebaker <mdsxyz123@yahoo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 /*
-    This driver supports the hardware sensor chips: Asus ASB100 and
-    ASB100-A "BACH".
-
-    ASB100-A supports pwm1, while plain ASB100 does not.  There is no known
-    way for the driver to tell which one is there.
-
-    Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
-    asb100	7	3	1	4	0x31	0x0694	yes	no
-*/
+ * This driver supports the hardware sensor chips: Asus ASB100 and
+ * ASB100-A "BACH".
+ *
+ * ASB100-A supports pwm1, while plain ASB100 does not.  There is no known
+ * way for the driver to tell which one is there.
+ *
+ * Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
+ * asb100	7	3	1	4	0x31	0x0694	yes	no
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -99,15 +99,19 @@ static const u16 asb100_reg_temp_hyst[]	= {0, 0x3a, 0x153, 0x253, 0x19};
 /* bit 7 -> enable, bits 0-3 -> duty cycle */
 #define ASB100_REG_PWM1		0x59
 
-/* CONVERSIONS
-   Rounding and limit checking is only done on the TO_REG variants. */
+/*
+ * CONVERSIONS
+ * Rounding and limit checking is only done on the TO_REG variants.
+ */
 
 /* These constants are a guess, consistent w/ w83781d */
-#define ASB100_IN_MIN (   0)
-#define ASB100_IN_MAX (4080)
+#define ASB100_IN_MIN		0
+#define ASB100_IN_MAX		4080
 
-/* IN: 1/1000 V (0V to 4.08V)
-   REG: 16mV/bit */
+/*
+ * IN: 1/1000 V (0V to 4.08V)
+ * REG: 16mV/bit
+ */
 static u8 IN_TO_REG(unsigned val)
 {
 	unsigned nval = SENSORS_LIMIT(val, ASB100_IN_MIN, ASB100_IN_MAX);
@@ -131,19 +135,21 @@ static u8 FAN_TO_REG(long rpm, int div)
 
 static int FAN_FROM_REG(u8 val, int div)
 {
-	return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div);
+	return val == 0 ? -1 : val == 255 ? 0 : 1350000 / (val * div);
 }
 
 /* These constants are a guess, consistent w/ w83781d */
-#define ASB100_TEMP_MIN (-128000)
-#define ASB100_TEMP_MAX ( 127000)
+#define ASB100_TEMP_MIN		-128000
+#define ASB100_TEMP_MAX		127000
 
-/* TEMP: 0.001C/bit (-128C to +127C)
-   REG: 1C/bit, two's complement */
+/*
+ * TEMP: 0.001C/bit (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
 static u8 TEMP_TO_REG(long temp)
 {
 	int ntemp = SENSORS_LIMIT(temp, ASB100_TEMP_MIN, ASB100_TEMP_MAX);
-	ntemp += (ntemp<0 ? -500 : 500);
+	ntemp += (ntemp < 0 ? -500 : 500);
 	return (u8)(ntemp / 1000);
 }
 
@@ -152,8 +158,10 @@ static int TEMP_FROM_REG(u8 reg)
 	return (s8)reg * 1000;
 }
 
-/* PWM: 0 - 255 per sensors documentation
-   REG: (6.25% duty cycle per bit) */
+/*
+ * PWM: 0 - 255 per sensors documentation
+ * REG: (6.25% duty cycle per bit)
+ */
 static u8 ASB100_PWM_TO_REG(int pwm)
 {
 	pwm = SENSORS_LIMIT(pwm, 0, 255);
@@ -167,16 +175,20 @@ static int ASB100_PWM_FROM_REG(u8 reg)
 
 #define DIV_FROM_REG(val) (1 << (val))
 
-/* FAN DIV: 1, 2, 4, or 8 (defaults to 2)
-   REG: 0, 1, 2, or 3 (respectively) (defaults to 1) */
+/*
+ * FAN DIV: 1, 2, 4, or 8 (defaults to 2)
+ * REG: 0, 1, 2, or 3 (respectively) (defaults to 1)
+ */
 static u8 DIV_TO_REG(long val)
 {
-	return val==8 ? 3 : val==4 ? 2 : val==1 ? 0 : 1;
+	return val == 8 ? 3 : val == 4 ? 2 : val == 1 ? 0 : 1;
 }
 
-/* For each registered client, we need to keep some data in memory. That
-   data is pointed to by client->data. The structure itself is
-   dynamically allocated, at the same time the client itself is allocated. */
+/*
+ * For each registered client, we need to keep some data in memory. That
+ * data is pointed to by client->data. The structure itself is
+ * dynamically allocated, at the same time the client itself is allocated.
+ */
 struct asb100_data {
 	struct device *hwmon_dev;
 	struct mutex lock;
@@ -253,8 +265,10 @@ static ssize_t set_in_##reg(struct device *dev, struct device_attribute *attr, \
 	int nr = to_sensor_dev_attr(attr)->index; \
 	struct i2c_client *client = to_i2c_client(dev); \
 	struct asb100_data *data = i2c_get_clientdata(client); \
-	unsigned long val = simple_strtoul(buf, NULL, 10); \
- \
+	unsigned long val; \
+	int err = kstrtoul(buf, 10, &val); \
+	if (err) \
+		return err; \
 	mutex_lock(&data->update_lock); \
 	data->in_##reg[nr] = IN_TO_REG(val); \
 	asb100_write_value(client, ASB100_REG_IN_##REG(nr), \
@@ -315,7 +329,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct asb100_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -324,10 +343,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-/* Note: we save and restore the fan minimum here, because its value is
-   determined in part by the fan divisor.  This follows the principle of
-   least surprise; the user doesn't expect the fan minimum to change just
-   because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor.  This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
 static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
@@ -335,8 +356,13 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct asb100_data *data = i2c_get_clientdata(client);
 	unsigned long min;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
 	int reg;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -421,8 +447,10 @@ static ssize_t set_##reg(struct device *dev, struct device_attribute *attr, \
 	int nr = to_sensor_dev_attr(attr)->index; \
 	struct i2c_client *client = to_i2c_client(dev); \
 	struct asb100_data *data = i2c_get_clientdata(client); \
-	long val = simple_strtol(buf, NULL, 10); \
- \
+	long val; \
+	int err = kstrtol(buf, 10, &val); \
+	if (err) \
+		return err; \
 	mutex_lock(&data->update_lock); \
 	switch (nr) { \
 	case 1: case 2: \
@@ -476,7 +504,13 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
 	struct asb100_data *data = dev_get_drvdata(dev);
-	data->vrm = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+	data->vrm = val;
 	return count;
 }
 
@@ -524,7 +558,12 @@ static ssize_t set_pwm1(struct device *dev, struct device_attribute *attr,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct asb100_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->pwm &= 0x80; /* keep the enable bit */
@@ -546,7 +585,12 @@ static ssize_t set_pwm_enable1(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct asb100_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->pwm &= 0x0f; /* keep the duty cycle bits */
@@ -768,7 +812,8 @@ static int asb100_probe(struct i2c_client *client,
 	data->fan_min[2] = asb100_read_value(client, ASB100_REG_FAN_MIN(2));
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &asb100_group)))
+	err = sysfs_create_group(&client->dev.kobj, &asb100_group);
+	if (err)
 		goto ERROR3;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -805,8 +850,10 @@ static int asb100_remove(struct i2c_client *client)
 	return 0;
 }
 
-/* The SMBus locks itself, usually, but nothing may access the chip between
-   bank switches. */
+/*
+ * The SMBus locks itself, usually, but nothing may access the chip between
+ * bank switches.
+ */
 static int asb100_read_value(struct i2c_client *client, u16 reg)
 {
 	struct asb100_data *data = i2c_get_clientdata(client);
@@ -971,19 +1018,8 @@ static struct asb100_data *asb100_update_device(struct device *dev)
 	return data;
 }
 
-static int __init asb100_init(void)
-{
-	return i2c_add_driver(&asb100_driver);
-}
-
-static void __exit asb100_exit(void)
-{
-	i2c_del_driver(&asb100_driver);
-}
+module_i2c_driver(asb100_driver);
 
 MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>");
 MODULE_DESCRIPTION("ASB100 Bach driver");
 MODULE_LICENSE("GPL");
-
-module_init(asb100_init);
-module_exit(asb100_exit);
diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c
index 3efd32449982..7caa242915a6 100644
--- a/drivers/hwmon/asc7621.c
+++ b/drivers/hwmon/asc7621.c
@@ -268,9 +268,11 @@ static ssize_t store_fan16(struct device *dev,
 	if (kstrtol(buf, 10, &reqval))
 		return -EINVAL;
 
-	/* If a minimum RPM of zero is requested, then we set the register to
-	   0xffff. This value allows the fan to be stopped completely without
-	   generating an alarm. */
+	/*
+	 * If a minimum RPM of zero is requested, then we set the register to
+	 * 0xffff. This value allows the fan to be stopped completely without
+	 * generating an alarm.
+	 */
 	reqval =
 	    (reqval <= 0 ? 0xffff : SENSORS_LIMIT(5400000 / reqval, 0, 0xfffe));
 
diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
index 00e98517f94c..351d1f4593e7 100644
--- a/drivers/hwmon/asus_atk0110.c
+++ b/drivers/hwmon/asus_atk0110.c
@@ -38,7 +38,8 @@ static const struct dmi_system_id __initconst atk_force_new_if[] = {
 	{ }
 };
 
-/* Minimum time between readings, enforced in order to avoid
+/*
+ * Minimum time between readings, enforced in order to avoid
  * hogging the CPU.
  */
 #define CACHE_TIME		HZ
@@ -161,7 +162,8 @@ struct atk_sensor_data {
 	char const *acpi_name;
 };
 
-/* Return buffer format:
+/*
+ * Return buffer format:
  * [0-3] "value" is valid flag
  * [4-7] value
  * [8- ] unknown stuff on newer mobos
@@ -310,7 +312,8 @@ static union acpi_object *atk_get_pack_member(struct atk_data *data,
 }
 
 
-/* New package format is:
+/*
+ * New package format is:
  * - flag (int)
  *	class - used for de-muxing the request to the correct GITn
  *	type (volt, temp, fan)
@@ -613,7 +616,8 @@ static int atk_read_value_new(struct atk_sensor_data *sensor, u64 *value)
 
 	buf = (struct atk_acpi_ret_buffer *)obj->buffer.pointer;
 	if (buf->flags == 0) {
-		/* The reading is not valid, possible causes:
+		/*
+		 * The reading is not valid, possible causes:
 		 * - sensor failure
 		 * - enumeration was FUBAR (and we didn't notice)
 		 */
@@ -1311,14 +1315,16 @@ static int atk_probe_if(struct atk_data *data)
 		dev_dbg(dev, "method " METHOD_WRITE " not found: %s\n",
 				 acpi_format_exception(status));
 
-	/* Check for hwmon methods: first check "old" style methods; note that
+	/*
+	 * Check for hwmon methods: first check "old" style methods; note that
 	 * both may be present: in this case we stick to the old interface;
 	 * analysis of multiple DSDTs indicates that when both interfaces
 	 * are present the new one (GGRP/GITM) is not functional.
 	 */
 	if (new_if)
 		dev_info(dev, "Overriding interface detection\n");
-	if (data->rtmp_handle && data->rvlt_handle && data->rfan_handle && !new_if)
+	if (data->rtmp_handle &&
+			data->rvlt_handle && data->rfan_handle && !new_if)
 		data->old_interface = true;
 	else if (data->enumerate_handle && data->read_handle &&
 			data->write_handle)
diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c
index 33cc143b2069..58af6aa93530 100644
--- a/drivers/hwmon/atxp1.c
+++ b/drivers/hwmon/atxp1.c
@@ -1,22 +1,22 @@
 /*
-    atxp1.c - kernel module for setting CPU VID and general purpose
-                     I/Os using the Attansic ATXP1 chip.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+ * atxp1.c - kernel module for setting CPU VID and general purpose
+ *	     I/Os using the Attansic ATXP1 chip.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
 
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -48,7 +48,7 @@ static const unsigned short normal_i2c[] = { 0x37, 0x4e, I2C_CLIENT_END };
 static int atxp1_probe(struct i2c_client *client,
 		       const struct i2c_device_id *id);
 static int atxp1_remove(struct i2c_client *client);
-static struct atxp1_data * atxp1_update_device(struct device *dev);
+static struct atxp1_data *atxp1_update_device(struct device *dev);
 static int atxp1_detect(struct i2c_client *client, struct i2c_board_info *info);
 
 static const struct i2c_device_id atxp1_id[] = {
@@ -83,7 +83,7 @@ struct atxp1_data {
 	u8 vrm;			/* Detected CPU VRM */
 };
 
-static struct atxp1_data * atxp1_update_device(struct device *dev)
+static struct atxp1_data *atxp1_update_device(struct device *dev)
 {
 	struct i2c_client *client;
 	struct atxp1_data *data;
@@ -97,7 +97,8 @@ static struct atxp1_data * atxp1_update_device(struct device *dev)
 
 		/* Update local register data */
 		data->reg.vid = i2c_smbus_read_byte_data(client, ATXP1_VID);
-		data->reg.cpu_vid = i2c_smbus_read_byte_data(client, ATXP1_CVID);
+		data->reg.cpu_vid = i2c_smbus_read_byte_data(client,
+							     ATXP1_CVID);
 		data->reg.gpio1 = i2c_smbus_read_byte_data(client, ATXP1_GPIO1);
 		data->reg.gpio2 = i2c_smbus_read_byte_data(client, ATXP1_GPIO2);
 
@@ -106,33 +107,41 @@ static struct atxp1_data * atxp1_update_device(struct device *dev)
 
 	mutex_unlock(&data->update_lock);
 
-	return(data);
+	return data;
 }
 
 /* sys file functions for cpu0_vid */
-static ssize_t atxp1_showvcore(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t atxp1_showvcore(struct device *dev,
+			       struct device_attribute *attr, char *buf)
 {
 	int size;
 	struct atxp1_data *data;
 
 	data = atxp1_update_device(dev);
 
-	size = sprintf(buf, "%d\n", vid_from_reg(data->reg.vid & ATXP1_VIDMASK, data->vrm));
+	size = sprintf(buf, "%d\n", vid_from_reg(data->reg.vid & ATXP1_VIDMASK,
+						 data->vrm));
 
 	return size;
 }
 
-static ssize_t atxp1_storevcore(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t atxp1_storevcore(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf, size_t count)
 {
 	struct atxp1_data *data;
 	struct i2c_client *client;
 	int vid, cvid;
-	unsigned int vcore;
+	unsigned long vcore;
+	int err;
 
 	client = to_i2c_client(dev);
 	data = atxp1_update_device(dev);
 
-	vcore = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &vcore);
+	if (err)
+		return err;
+
 	vcore /= 25;
 	vcore *= 25;
 
@@ -144,7 +153,10 @@ static ssize_t atxp1_storevcore(struct device *dev, struct device_attribute *att
 		return -1;
 	}
 
-	/* If output enabled, use control register value. Otherwise original CPU VID */
+	/*
+	 * If output enabled, use control register value.
+	 * Otherwise original CPU VID
+	 */
 	if (data->reg.vid & ATXP1_VIDENA)
 		cvid = data->reg.vid & ATXP1_VIDMASK;
 	else
@@ -154,18 +166,17 @@ static ssize_t atxp1_storevcore(struct device *dev, struct device_attribute *att
 	if (vid == cvid)
 		return count;
 
-	dev_dbg(dev, "Setting VCore to %d mV (0x%02x)\n", vcore, vid);
+	dev_dbg(dev, "Setting VCore to %d mV (0x%02x)\n", (int)vcore, vid);
 
 	/* Write every 25 mV step to increase stability */
 	if (cvid > vid) {
-		for (; cvid >= vid; cvid--) {
-        		i2c_smbus_write_byte_data(client, ATXP1_VID, cvid | ATXP1_VIDENA);
-		}
-	}
-	else {
-		for (; cvid <= vid; cvid++) {
-        		i2c_smbus_write_byte_data(client, ATXP1_VID, cvid | ATXP1_VIDENA);
-		}
+		for (; cvid >= vid; cvid--)
+			i2c_smbus_write_byte_data(client,
+						ATXP1_VID, cvid | ATXP1_VIDENA);
+	} else {
+		for (; cvid <= vid; cvid++)
+			i2c_smbus_write_byte_data(client,
+						ATXP1_VID, cvid | ATXP1_VIDENA);
 	}
 
 	data->valid = 0;
@@ -173,13 +184,16 @@ static ssize_t atxp1_storevcore(struct device *dev, struct device_attribute *att
 	return count;
 }
 
-/* CPU core reference voltage
-    unit: millivolt
-*/
-static DEVICE_ATTR(cpu0_vid, S_IRUGO | S_IWUSR, atxp1_showvcore, atxp1_storevcore);
+/*
+ * CPU core reference voltage
+ * unit: millivolt
+ */
+static DEVICE_ATTR(cpu0_vid, S_IRUGO | S_IWUSR, atxp1_showvcore,
+		   atxp1_storevcore);
 
 /* sys file functions for GPIO1 */
-static ssize_t atxp1_showgpio1(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t atxp1_showgpio1(struct device *dev,
+			       struct device_attribute *attr, char *buf)
 {
 	int size;
 	struct atxp1_data *data;
@@ -191,21 +205,26 @@ static ssize_t atxp1_showgpio1(struct device *dev, struct device_attribute *attr
 	return size;
 }
 
-static ssize_t atxp1_storegpio1(struct device *dev, struct device_attribute *attr, const char*buf, size_t count)
+static ssize_t atxp1_storegpio1(struct device *dev,
+				struct device_attribute *attr, const char *buf,
+				size_t count)
 {
 	struct atxp1_data *data;
 	struct i2c_client *client;
-	unsigned int value;
+	unsigned long value;
+	int err;
 
 	client = to_i2c_client(dev);
 	data = atxp1_update_device(dev);
 
-	value = simple_strtoul(buf, NULL, 16);
+	err = kstrtoul(buf, 16, &value);
+	if (err)
+		return err;
 
 	value &= ATXP1_GPIO1MASK;
 
 	if (value != (data->reg.gpio1 & ATXP1_GPIO1MASK)) {
-		dev_info(dev, "Writing 0x%x to GPIO1.\n", value);
+		dev_info(dev, "Writing 0x%x to GPIO1.\n", (unsigned int)value);
 
 		i2c_smbus_write_byte_data(client, ATXP1_GPIO1, value);
 
@@ -215,13 +234,15 @@ static ssize_t atxp1_storegpio1(struct device *dev, struct device_attribute *att
 	return count;
 }
 
-/* GPIO1 data register
-    unit: Four bit as hex (e.g. 0x0f)
-*/
+/*
+ * GPIO1 data register
+ * unit: Four bit as hex (e.g. 0x0f)
+ */
 static DEVICE_ATTR(gpio1, S_IRUGO | S_IWUSR, atxp1_showgpio1, atxp1_storegpio1);
 
 /* sys file functions for GPIO2 */
-static ssize_t atxp1_showgpio2(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t atxp1_showgpio2(struct device *dev,
+			       struct device_attribute *attr, char *buf)
 {
 	int size;
 	struct atxp1_data *data;
@@ -233,19 +254,22 @@ static ssize_t atxp1_showgpio2(struct device *dev, struct device_attribute *attr
 	return size;
 }
 
-static ssize_t atxp1_storegpio2(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t atxp1_storegpio2(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf, size_t count)
 {
-	struct atxp1_data *data;
-	struct i2c_client *client;
-	unsigned int value;
-
-	client = to_i2c_client(dev);
-	data = atxp1_update_device(dev);
+	struct atxp1_data *data = atxp1_update_device(dev);
+	struct i2c_client *client = to_i2c_client(dev);
+	unsigned long value;
+	int err;
 
-	value = simple_strtoul(buf, NULL, 16) & 0xff;
+	err = kstrtoul(buf, 16, &value);
+	if (err)
+		return err;
+	value &= 0xff;
 
 	if (value != data->reg.gpio2) {
-		dev_info(dev, "Writing 0x%x to GPIO1.\n", value);
+		dev_info(dev, "Writing 0x%x to GPIO1.\n", (unsigned int)value);
 
 		i2c_smbus_write_byte_data(client, ATXP1_GPIO2, value);
 
@@ -255,9 +279,10 @@ static ssize_t atxp1_storegpio2(struct device *dev, struct device_attribute *att
 	return count;
 }
 
-/* GPIO2 data register
-    unit: Eight bit as hex (e.g. 0xff)
-*/
+/*
+ * GPIO2 data register
+ * unit: Eight bit as hex (e.g. 0xff)
+ */
 static DEVICE_ATTR(gpio2, S_IRUGO | S_IWUSR, atxp1_showgpio2, atxp1_storegpio2);
 
 static struct attribute *atxp1_attributes[] = {
@@ -290,8 +315,10 @@ static int atxp1_detect(struct i2c_client *new_client,
 	     (i2c_smbus_read_byte_data(new_client, 0xff) == 0)))
 		return -ENODEV;
 
-	/* No vendor ID, now checking if registers 0x10,0x11 (non-existent)
-	 * showing the same as register 0x00 */
+	/*
+	 * No vendor ID, now checking if registers 0x10,0x11 (non-existent)
+	 * showing the same as register 0x00
+	 */
 	temp = i2c_smbus_read_byte_data(new_client, 0x00);
 
 	if (!((i2c_smbus_read_byte_data(new_client, 0x10) == temp) &&
@@ -333,7 +360,8 @@ static int atxp1_probe(struct i2c_client *new_client,
 	mutex_init(&data->update_lock);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&new_client->dev.kobj, &atxp1_group)))
+	err = sysfs_create_group(&new_client->dev.kobj, &atxp1_group);
+	if (err)
 		goto exit_free;
 
 	data->hwmon_dev = hwmon_device_register(&new_client->dev);
@@ -357,7 +385,7 @@ exit:
 
 static int atxp1_remove(struct i2c_client *client)
 {
-	struct atxp1_data * data = i2c_get_clientdata(client);
+	struct atxp1_data *data = i2c_get_clientdata(client);
 
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &atxp1_group);
@@ -367,15 +395,4 @@ static int atxp1_remove(struct i2c_client *client)
 	return 0;
 };
 
-static int __init atxp1_init(void)
-{
-	return i2c_add_driver(&atxp1_driver);
-};
-
-static void __exit atxp1_exit(void)
-{
-	i2c_del_driver(&atxp1_driver);
-};
-
-module_init(atxp1_init);
-module_exit(atxp1_exit);
+module_i2c_driver(atxp1_driver);
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 249ac460e3d9..0d3141fbbc20 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -58,8 +58,8 @@ MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius");
 #define TOTAL_ATTRS		(MAX_CORE_ATTRS + 1)
 #define MAX_CORE_DATA		(NUM_REAL_CORES + BASE_SYSFS_ATTR_NO)
 
-#define TO_PHYS_ID(cpu)		cpu_data(cpu).phys_proc_id
-#define TO_CORE_ID(cpu)		cpu_data(cpu).cpu_core_id
+#define TO_PHYS_ID(cpu)		(cpu_data(cpu).phys_proc_id)
+#define TO_CORE_ID(cpu)		(cpu_data(cpu).cpu_core_id)
 #define TO_ATTR_NO(cpu)		(TO_CORE_ID(cpu) + BASE_SYSFS_ATTR_NO)
 
 #ifdef CONFIG_SMP
diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c
index ffb229af7861..e7c6a19f3b25 100644
--- a/drivers/hwmon/dme1737.c
+++ b/drivers/hwmon/dme1737.c
@@ -82,12 +82,12 @@ enum chips { dme1737, sch5027, sch311x, sch5127 };
  * --------------------------------------------------------------------- */
 
 /* Voltages (in) numbered 0-7 (ix) */
-#define	DME1737_REG_IN(ix)		((ix) < 5 ? 0x20 + (ix) : \
+#define DME1737_REG_IN(ix)		((ix) < 5 ? 0x20 + (ix) : \
 					 (ix) < 7 ? 0x94 + (ix) : \
 						    0x1f)
-#define	DME1737_REG_IN_MIN(ix)		((ix) < 5 ? 0x44 + (ix) * 2 \
+#define DME1737_REG_IN_MIN(ix)		((ix) < 5 ? 0x44 + (ix) * 2 \
 						  : 0x91 + (ix) * 2)
-#define	DME1737_REG_IN_MAX(ix)		((ix) < 5 ? 0x45 + (ix) * 2 \
+#define DME1737_REG_IN_MAX(ix)		((ix) < 5 ? 0x45 + (ix) * 2 \
 						  : 0x92 + (ix) * 2)
 
 /* Temperatures (temp) numbered 0-2 (ix) */
@@ -97,14 +97,16 @@ enum chips { dme1737, sch5027, sch311x, sch5127 };
 #define DME1737_REG_TEMP_OFFSET(ix)	((ix) == 0 ? 0x1f \
 						   : 0x1c + (ix))
 
-/* Voltage and temperature LSBs
+/*
+ * Voltage and temperature LSBs
  * The LSBs (4 bits each) are stored in 5 registers with the following layouts:
  *    IN_TEMP_LSB(0) = [in5, in6]
  *    IN_TEMP_LSB(1) = [temp3, temp1]
  *    IN_TEMP_LSB(2) = [in4, temp2]
  *    IN_TEMP_LSB(3) = [in3, in0]
  *    IN_TEMP_LSB(4) = [in2, in1]
- *    IN_TEMP_LSB(5) = [res, in7] */
+ *    IN_TEMP_LSB(5) = [res, in7]
+ */
 #define DME1737_REG_IN_TEMP_LSB(ix)	(0x84 + (ix))
 static const u8 DME1737_REG_IN_LSB[] = {3, 4, 4, 3, 2, 0, 0, 5};
 static const u8 DME1737_REG_IN_LSB_SHL[] = {4, 4, 0, 0, 0, 0, 4, 4};
@@ -127,24 +129,30 @@ static const u8 DME1737_REG_TEMP_LSB_SHL[] = {4, 4, 0};
 #define DME1737_REG_PWM_MIN(ix)		(0x64 + (ix)) /* only for pwm[0-2] */
 #define DME1737_REG_PWM_FREQ(ix)	((ix) < 3 ? 0x5f + (ix) \
 						  : 0xa3 + (ix))
-/* The layout of the ramp rate registers is different from the other pwm
+/*
+ * The layout of the ramp rate registers is different from the other pwm
  * registers. The bits for the 3 PWMs are stored in 2 registers:
  *    PWM_RR(0) = [OFF3, OFF2,  OFF1,  RES,   RR1E, RR1-2, RR1-1, RR1-0]
- *    PWM_RR(1) = [RR2E, RR2-2, RR2-1, RR2-0, RR3E, RR3-2, RR3-1, RR3-0] */
+ *    PWM_RR(1) = [RR2E, RR2-2, RR2-1, RR2-0, RR3E, RR3-2, RR3-1, RR3-0]
+ */
 #define DME1737_REG_PWM_RR(ix)		(0x62 + (ix)) /* only for pwm[0-2] */
 
 /* Thermal zones 0-2 */
 #define DME1737_REG_ZONE_LOW(ix)	(0x67 + (ix))
 #define DME1737_REG_ZONE_ABS(ix)	(0x6a + (ix))
-/* The layout of the hysteresis registers is different from the other zone
+/*
+ * The layout of the hysteresis registers is different from the other zone
  * registers. The bits for the 3 zones are stored in 2 registers:
  *    ZONE_HYST(0) = [H1-3,  H1-2,  H1-1, H1-0, H2-3, H2-2, H2-1, H2-0]
- *    ZONE_HYST(1) = [H3-3,  H3-2,  H3-1, H3-0, RES,  RES,  RES,  RES] */
+ *    ZONE_HYST(1) = [H3-3,  H3-2,  H3-1, H3-0, RES,  RES,  RES,  RES]
+ */
 #define DME1737_REG_ZONE_HYST(ix)	(0x6d + (ix))
 
-/* Alarm registers and bit mapping
+/*
+ * Alarm registers and bit mapping
  * The 3 8-bit alarm registers will be concatenated to a single 32-bit
- * alarm value [0, ALARM3, ALARM2, ALARM1]. */
+ * alarm value [0, ALARM3, ALARM2, ALARM1].
+ */
 #define DME1737_REG_ALARM1		0x41
 #define DME1737_REG_ALARM2		0x42
 #define DME1737_REG_ALARM3		0x83
@@ -257,9 +265,11 @@ static const int IN_NOMINAL_SCH5127[] = {2500, 2250, 3300, 1125, 1125, 3300,
 				 (type) == sch5127 ? IN_NOMINAL_SCH5127 : \
 				 IN_NOMINAL_DME1737)
 
-/* Voltage input
+/*
+ * Voltage input
  * Voltage inputs have 16 bits resolution, limit values have 8 bits
- * resolution. */
+ * resolution.
+ */
 static inline int IN_FROM_REG(int reg, int nominal, int res)
 {
 	return (reg * nominal + (3 << (res - 3))) / (3 << (res - 2));
@@ -270,10 +280,12 @@ static inline int IN_TO_REG(int val, int nominal)
 	return SENSORS_LIMIT((val * 192 + nominal / 2) / nominal, 0, 255);
 }
 
-/* Temperature input
+/*
+ * Temperature input
  * The register values represent temperatures in 2's complement notation from
  * -127 degrees C to +127 degrees C. Temp inputs have 16 bits resolution, limit
- * values have 8 bits resolution. */
+ * values have 8 bits resolution.
+ */
 static inline int TEMP_FROM_REG(int reg, int res)
 {
 	return (reg * 1000) >> (res - 8);
@@ -300,18 +312,19 @@ static int TEMP_RANGE_TO_REG(int val, int reg)
 	int i;
 
 	for (i = 15; i > 0; i--) {
-		if (val > (TEMP_RANGE[i] + TEMP_RANGE[i - 1] + 1) / 2) {
+		if (val > (TEMP_RANGE[i] + TEMP_RANGE[i - 1] + 1) / 2)
 			break;
-		}
 	}
 
 	return (reg & 0x0f) | (i << 4);
 }
 
-/* Temperature hysteresis
+/*
+ * Temperature hysteresis
  * Register layout:
  *    reg[0] = [H1-3, H1-2, H1-1, H1-0, H2-3, H2-2, H2-1, H2-0]
- *    reg[1] = [H3-3, H3-2, H3-1, H3-0, xxxx, xxxx, xxxx, xxxx] */
+ *    reg[1] = [H3-3, H3-2, H3-1, H3-0, xxxx, xxxx, xxxx, xxxx]
+ */
 static inline int TEMP_HYST_FROM_REG(int reg, int ix)
 {
 	return (((ix == 1) ? reg : reg >> 4) & 0x0f) * 1000;
@@ -327,11 +340,10 @@ static inline int TEMP_HYST_TO_REG(int val, int ix, int reg)
 /* Fan input RPM */
 static inline int FAN_FROM_REG(int reg, int tpc)
 {
-	if (tpc) {
+	if (tpc)
 		return tpc * reg;
-	} else {
+	else
 		return (reg == 0 || reg == 0xffff) ? 0 : 90000 * 60 / reg;
-	}
 }
 
 static inline int FAN_TO_REG(int val, int tpc)
@@ -344,17 +356,21 @@ static inline int FAN_TO_REG(int val, int tpc)
 	}
 }
 
-/* Fan TPC (tach pulse count)
+/*
+ * Fan TPC (tach pulse count)
  * Converts a register value to a TPC multiplier or returns 0 if the tachometer
- * is configured in legacy (non-tpc) mode */
+ * is configured in legacy (non-tpc) mode
+ */
 static inline int FAN_TPC_FROM_REG(int reg)
 {
 	return (reg & 0x20) ? 0 : 60 >> (reg & 0x03);
 }
 
-/* Fan type
+/*
+ * Fan type
  * The type of a fan is expressed in number of pulses-per-revolution that it
- * emits */
+ * emits
+ */
 static inline int FAN_TYPE_FROM_REG(int reg)
 {
 	int edge = (reg >> 1) & 0x03;
@@ -378,9 +394,8 @@ static int FAN_MAX_FROM_REG(int reg)
 	int i;
 
 	for (i = 10; i > 0; i--) {
-		if (reg == FAN_MAX[i]) {
+		if (reg == FAN_MAX[i])
 			break;
-		}
 	}
 
 	return 1000 + i * 500;
@@ -391,15 +406,15 @@ static int FAN_MAX_TO_REG(int val)
 	int i;
 
 	for (i = 10; i > 0; i--) {
-		if (val > (1000 + (i - 1) * 500)) {
+		if (val > (1000 + (i - 1) * 500))
 			break;
-		}
 	}
 
 	return FAN_MAX[i];
 }
 
-/* PWM enable
+/*
+ * PWM enable
  * Register to enable mapping:
  * 000:  2  fan on zone 1 auto
  * 001:  2  fan on zone 2 auto
@@ -408,7 +423,8 @@ static int FAN_MAX_TO_REG(int val)
  * 100: -1  fan disabled
  * 101:  2  fan on hottest of zones 2,3 auto
  * 110:  2  fan on hottest of zones 1,2,3 auto
- * 111:  1  fan in manual mode */
+ * 111:  1  fan in manual mode
+ */
 static inline int PWM_EN_FROM_REG(int reg)
 {
 	static const int en[] = {2, 2, 2, 0, -1, 2, 2, 1};
@@ -423,7 +439,8 @@ static inline int PWM_EN_TO_REG(int val, int reg)
 	return (reg & 0x1f) | ((en & 0x07) << 5);
 }
 
-/* PWM auto channels zone
+/*
+ * PWM auto channels zone
  * Register to auto channels zone mapping (ACZ is a bitfield with bit x
  * corresponding to zone x+1):
  * 000: 001  fan on zone 1 auto
@@ -433,7 +450,8 @@ static inline int PWM_EN_TO_REG(int val, int reg)
  * 100: 000  fan disabled
  * 101: 110  fan on hottest of zones 2,3 auto
  * 110: 111  fan on hottest of zones 1,2,3 auto
- * 111: 000  fan in manual mode */
+ * 111: 000  fan in manual mode
+ */
 static inline int PWM_ACZ_FROM_REG(int reg)
 {
 	static const int acz[] = {1, 2, 4, 0, 0, 6, 7, 0};
@@ -468,19 +486,20 @@ static int PWM_FREQ_TO_REG(int val, int reg)
 		i = 11;
 	} else {
 		for (i = 9; i > 0; i--) {
-			if (val > (PWM_FREQ[i] + PWM_FREQ[i - 1] + 1) / 2) {
+			if (val > (PWM_FREQ[i] + PWM_FREQ[i - 1] + 1) / 2)
 				break;
-			}
 		}
 	}
 
 	return (reg & 0xf0) | i;
 }
 
-/* PWM ramp rate
+/*
+ * PWM ramp rate
  * Register layout:
  *    reg[0] = [OFF3,  OFF2,  OFF1,  RES,   RR1-E, RR1-2, RR1-1, RR1-0]
- *    reg[1] = [RR2-E, RR2-2, RR2-1, RR2-0, RR3-E, RR3-2, RR3-1, RR3-0] */
+ *    reg[1] = [RR2-E, RR2-2, RR2-1, RR2-0, RR3-E, RR3-2, RR3-1, RR3-0]
+ */
 static const u8 PWM_RR[] = {206, 104, 69, 41, 26, 18, 10, 5};
 
 static inline int PWM_RR_FROM_REG(int reg, int ix)
@@ -495,9 +514,8 @@ static int PWM_RR_TO_REG(int val, int ix, int reg)
 	int i;
 
 	for (i = 0; i < 7; i++) {
-		if (val > (PWM_RR[i] + PWM_RR[i + 1] + 1) / 2) {
+		if (val > (PWM_RR[i] + PWM_RR[i + 1] + 1) / 2)
 			break;
-		}
 	}
 
 	return (ix == 1) ? (reg & 0x8f) | (i << 4) : (reg & 0xf8) | i;
@@ -516,9 +534,11 @@ static inline int PWM_RR_EN_TO_REG(int val, int ix, int reg)
 	return val ? reg | en : reg & ~en;
 }
 
-/* PWM min/off
+/*
+ * PWM min/off
  * The PWM min/off bits are part of the PMW ramp rate register 0 (see above for
- * the register layout). */
+ * the register layout).
+ */
 static inline int PWM_OFF_FROM_REG(int reg, int ix)
 {
 	return (reg >> (ix + 5)) & 0x01;
@@ -604,12 +624,13 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 
 		/* In (voltage) registers */
 		for (ix = 0; ix < ARRAY_SIZE(data->in); ix++) {
-			/* Voltage inputs are stored as 16 bit values even
+			/*
+			 * Voltage inputs are stored as 16 bit values even
 			 * though they have only 12 bits resolution. This is
-			 * to make it consistent with the temp inputs. */
-			if (ix == 7 && !(data->has_features & HAS_IN7)) {
+			 * to make it consistent with the temp inputs.
+			 */
+			if (ix == 7 && !(data->has_features & HAS_IN7))
 				continue;
-			}
 			data->in[ix] = dme1737_read(data,
 					DME1737_REG_IN(ix)) << 8;
 			data->in_min[ix] = dme1737_read(data,
@@ -620,11 +641,13 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 
 		/* Temp registers */
 		for (ix = 0; ix < ARRAY_SIZE(data->temp); ix++) {
-			/* Temp inputs are stored as 16 bit values even
+			/*
+			 * Temp inputs are stored as 16 bit values even
 			 * though they have only 12 bits resolution. This is
 			 * to take advantage of implicit conversions between
 			 * register values (2's complement) and temp values
-			 * (signed decimal). */
+			 * (signed decimal).
+			 */
 			data->temp[ix] = dme1737_read(data,
 					DME1737_REG_TEMP(ix)) << 8;
 			data->temp_min[ix] = dme1737_read(data,
@@ -637,21 +660,21 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 			}
 		}
 
-		/* In and temp LSB registers
+		/*
+		 * In and temp LSB registers
 		 * The LSBs are latched when the MSBs are read, so the order in
 		 * which the registers are read (MSB first, then LSB) is
-		 * important! */
+		 * important!
+		 */
 		for (ix = 0; ix < ARRAY_SIZE(lsb); ix++) {
-			if (ix == 5 && !(data->has_features & HAS_IN7)) {
+			if (ix == 5 && !(data->has_features & HAS_IN7))
 				continue;
-			}
 			lsb[ix] = dme1737_read(data,
 					DME1737_REG_IN_TEMP_LSB(ix));
 		}
 		for (ix = 0; ix < ARRAY_SIZE(data->in); ix++) {
-			if (ix == 7 && !(data->has_features & HAS_IN7)) {
+			if (ix == 7 && !(data->has_features & HAS_IN7))
 				continue;
-			}
 			data->in[ix] |= (lsb[DME1737_REG_IN_LSB[ix]] <<
 					DME1737_REG_IN_LSB_SHL[ix]) & 0xf0;
 		}
@@ -662,11 +685,12 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 
 		/* Fan registers */
 		for (ix = 0; ix < ARRAY_SIZE(data->fan); ix++) {
-			/* Skip reading registers if optional fans are not
-			 * present */
-			if (!(data->has_features & HAS_FAN(ix))) {
+			/*
+			 * Skip reading registers if optional fans are not
+			 * present
+			 */
+			if (!(data->has_features & HAS_FAN(ix)))
 				continue;
-			}
 			data->fan[ix] = dme1737_read(data,
 					DME1737_REG_FAN(ix));
 			data->fan[ix] |= dme1737_read(data,
@@ -686,11 +710,12 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 
 		/* PWM registers */
 		for (ix = 0; ix < ARRAY_SIZE(data->pwm); ix++) {
-			/* Skip reading registers if optional PWMs are not
-			 * present */
-			if (!(data->has_features & HAS_PWM(ix))) {
+			/*
+			 * Skip reading registers if optional PWMs are not
+			 * present
+			 */
+			if (!(data->has_features & HAS_PWM(ix)))
 				continue;
-			}
 			data->pwm[ix] = dme1737_read(data,
 					DME1737_REG_PWM(ix));
 			data->pwm_freq[ix] = dme1737_read(data,
@@ -711,9 +736,8 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 		/* Thermal zone registers */
 		for (ix = 0; ix < ARRAY_SIZE(data->zone_low); ix++) {
 			/* Skip reading registers if zone3 is not present */
-			if ((ix == 2) && !(data->has_features & HAS_ZONE3)) {
+			if ((ix == 2) && !(data->has_features & HAS_ZONE3))
 				continue;
-			}
 			/* sch5127 zone2 registers are special */
 			if ((ix == 1) && (data->type == sch5127)) {
 				data->zone_low[1] = dme1737_read(data,
@@ -737,8 +761,10 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 		/* Alarm registers */
 		data->alarms = dme1737_read(data,
 						DME1737_REG_ALARM1);
-		/* Bit 7 tells us if the other alarm registers are non-zero and
-		 * therefore also need to be read */
+		/*
+		 * Bit 7 tells us if the other alarm registers are non-zero and
+		 * therefore also need to be read
+		 */
 		if (data->alarms & 0x80) {
 			data->alarms |= dme1737_read(data,
 						DME1737_REG_ALARM2) << 8;
@@ -746,22 +772,18 @@ static struct dme1737_data *dme1737_update_device(struct device *dev)
 						DME1737_REG_ALARM3) << 16;
 		}
 
-		/* The ISA chips require explicit clearing of alarm bits.
+		/*
+		 * The ISA chips require explicit clearing of alarm bits.
 		 * Don't worry, an alarm will come back if the condition
-		 * that causes it still exists */
+		 * that causes it still exists
+		 */
 		if (!data->client) {
-			if (data->alarms & 0xff0000) {
-				dme1737_write(data, DME1737_REG_ALARM3,
-					      0xff);
-			}
-			if (data->alarms & 0xff00) {
-				dme1737_write(data, DME1737_REG_ALARM2,
-					      0xff);
-			}
-			if (data->alarms & 0xff) {
-				dme1737_write(data, DME1737_REG_ALARM1,
-					      0xff);
-			}
+			if (data->alarms & 0xff0000)
+				dme1737_write(data, DME1737_REG_ALARM3, 0xff);
+			if (data->alarms & 0xff00)
+				dme1737_write(data, DME1737_REG_ALARM2, 0xff);
+			if (data->alarms & 0xff)
+				dme1737_write(data, DME1737_REG_ALARM1, 0xff);
 		}
 
 		data->last_update = jiffies;
@@ -822,7 +844,12 @@ static ssize_t set_in(struct device *dev, struct device_attribute *attr,
 		*sensor_attr_2 = to_sensor_dev_attr_2(attr);
 	int ix = sensor_attr_2->index;
 	int fn = sensor_attr_2->nr;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	switch (fn) {
@@ -901,7 +928,12 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
 		*sensor_attr_2 = to_sensor_dev_attr_2(attr);
 	int ix = sensor_attr_2->index;
 	int fn = sensor_attr_2->nr;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	switch (fn) {
@@ -952,11 +984,10 @@ static ssize_t show_zone(struct device *dev, struct device_attribute *attr,
 	switch (fn) {
 	case SYS_ZONE_AUTO_CHANNELS_TEMP:
 		/* check config2 for non-standard temp-to-zone mapping */
-		if ((ix == 1) && (data->config2 & 0x02)) {
+		if ((ix == 1) && (data->config2 & 0x02))
 			res = 4;
-		} else {
+		else
 			res = 1 << ix;
-		}
 		break;
 	case SYS_ZONE_AUTO_POINT1_TEMP_HYST:
 		res = TEMP_FROM_REG(data->zone_low[ix], 8) -
@@ -989,7 +1020,12 @@ static ssize_t set_zone(struct device *dev, struct device_attribute *attr,
 		*sensor_attr_2 = to_sensor_dev_attr_2(attr);
 	int ix = sensor_attr_2->index;
 	int fn = sensor_attr_2->nr;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	switch (fn) {
@@ -1014,8 +1050,10 @@ static ssize_t set_zone(struct device *dev, struct device_attribute *attr,
 		/* Refresh the cache */
 		data->zone_low[ix] = dme1737_read(data,
 						  DME1737_REG_ZONE_LOW(ix));
-		/* Modify the temp range value (which is stored in the upper
-		 * nibble of the pwm_freq register) */
+		/*
+		 * Modify the temp range value (which is stored in the upper
+		 * nibble of the pwm_freq register)
+		 */
 		data->pwm_freq[ix] = TEMP_RANGE_TO_REG(val -
 					TEMP_FROM_REG(data->zone_low[ix], 8),
 					dme1737_read(data,
@@ -1095,7 +1133,12 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
 		*sensor_attr_2 = to_sensor_dev_attr_2(attr);
 	int ix = sensor_attr_2->index;
 	int fn = sensor_attr_2->nr;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	switch (fn) {
@@ -1170,21 +1213,19 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
 
 	switch (fn) {
 	case SYS_PWM:
-		if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 0) {
+		if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 0)
 			res = 255;
-		} else {
+		else
 			res = data->pwm[ix];
-		}
 		break;
 	case SYS_PWM_FREQ:
 		res = PWM_FREQ_FROM_REG(data->pwm_freq[ix]);
 		break;
 	case SYS_PWM_ENABLE:
-		if (ix >= 3) {
+		if (ix >= 3)
 			res = 1; /* pwm[5-6] hard-wired to manual mode */
-		} else {
+		else
 			res = PWM_EN_FROM_REG(data->pwm_config[ix]);
-		}
 		break;
 	case SYS_PWM_RAMP_RATE:
 		/* Only valid for pwm[1-3] */
@@ -1192,19 +1233,17 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
 		break;
 	case SYS_PWM_AUTO_CHANNELS_ZONE:
 		/* Only valid for pwm[1-3] */
-		if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2) {
+		if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2)
 			res = PWM_ACZ_FROM_REG(data->pwm_config[ix]);
-		} else {
+		else
 			res = data->pwm_acz[ix];
-		}
 		break;
 	case SYS_PWM_AUTO_PWM_MIN:
 		/* Only valid for pwm[1-3] */
-		if (PWM_OFF_FROM_REG(data->pwm_rr[0], ix)) {
+		if (PWM_OFF_FROM_REG(data->pwm_rr[0], ix))
 			res = data->pwm_min[ix];
-		} else {
+		else
 			res = 0;
-		}
 		break;
 	case SYS_PWM_AUTO_POINT1_PWM:
 		/* Only valid for pwm[1-3] */
@@ -1233,7 +1272,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 		*sensor_attr_2 = to_sensor_dev_attr_2(attr);
 	int ix = sensor_attr_2->index;
 	int fn = sensor_attr_2->nr;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	switch (fn) {
@@ -1307,8 +1351,10 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 			/* Change permissions of pwm[ix] to read-only */
 			dme1737_chmod_file(dev, dme1737_pwm_chmod_attr[ix],
 					   S_IRUGO);
-			/* Turn on auto mode using the saved zone channel
-			 * assignment */
+			/*
+			 * Turn on auto mode using the saved zone channel
+			 * assignment
+			 */
 			data->pwm_config[ix] = PWM_ACZ_TO_REG(
 							data->pwm_acz[ix],
 							data->pwm_config[ix]);
@@ -1338,8 +1384,10 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 			data->pwm_rr[ix > 0] = PWM_RR_TO_REG(val, ix,
 							data->pwm_rr[ix > 0]);
 		}
-		/* Enable/disable the feature only if the associated PWM
-		 * output is in automatic mode. */
+		/*
+		 * Enable/disable the feature only if the associated PWM
+		 * output is in automatic mode.
+		 */
 		if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2) {
 			data->pwm_rr[ix > 0] = PWM_RR_EN_TO_REG(val > 0, ix,
 							data->pwm_rr[ix > 0]);
@@ -1361,15 +1409,19 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 		data->pwm_config[ix] = dme1737_read(data,
 						DME1737_REG_PWM_CONFIG(ix));
 		if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2) {
-			/* PWM is already in auto mode so update the temp
-			 * channel assignment */
+			/*
+			 * PWM is already in auto mode so update the temp
+			 * channel assignment
+			 */
 			data->pwm_config[ix] = PWM_ACZ_TO_REG(val,
 						data->pwm_config[ix]);
 			dme1737_write(data, DME1737_REG_PWM_CONFIG(ix),
 				      data->pwm_config[ix]);
 		} else {
-			/* PWM is not in auto mode so we save the temp
-			 * channel assignment for later use */
+			/*
+			 * PWM is not in auto mode so we save the temp
+			 * channel assignment for later use
+			 */
 			data->pwm_acz[ix] = val;
 		}
 		break;
@@ -1378,10 +1430,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 		/* Refresh the cache */
 		data->pwm_min[ix] = dme1737_read(data,
 						DME1737_REG_PWM_MIN(ix));
-		/* There are only 2 values supported for the auto_pwm_min
+		/*
+		 * There are only 2 values supported for the auto_pwm_min
 		 * value: 0 or auto_point1_pwm. So if the temperature drops
 		 * below the auto_point1_temp_hyst value, the fan either turns
-		 * off or runs at auto_point1_pwm duty-cycle. */
+		 * off or runs at auto_point1_pwm duty-cycle.
+		 */
 		if (val > ((data->pwm_min[ix] + 1) / 2)) {
 			data->pwm_rr[0] = PWM_OFF_TO_REG(1, ix,
 						dme1737_read(data,
@@ -1426,7 +1480,12 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
 		       const char *buf, size_t count)
 {
 	struct dme1737_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	data->vrm = val;
 	return count;
@@ -1586,10 +1645,12 @@ static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);   /* for ISA devices */
 
-/* This struct holds all the attributes that are always present and need to be
+/*
+ * This struct holds all the attributes that are always present and need to be
  * created unconditionally. The attributes that need modification of their
  * permissions are created read-only and write permissions are added or removed
- * on the fly when required */
+ * on the fly when required
+ */
 static struct attribute *dme1737_attr[] = {
 	/* Voltages */
 	&sensor_dev_attr_in0_input.dev_attr.attr,
@@ -1652,9 +1713,11 @@ static const struct attribute_group dme1737_group = {
 	.attrs = dme1737_attr,
 };
 
-/* The following struct holds temp offset attributes, which are not available
+/*
+ * The following struct holds temp offset attributes, which are not available
  * in all chips. The following chips support them:
- * DME1737, SCH311x */
+ * DME1737, SCH311x
+ */
 static struct attribute *dme1737_temp_offset_attr[] = {
 	&sensor_dev_attr_temp1_offset.dev_attr.attr,
 	&sensor_dev_attr_temp2_offset.dev_attr.attr,
@@ -1666,9 +1729,11 @@ static const struct attribute_group dme1737_temp_offset_group = {
 	.attrs = dme1737_temp_offset_attr,
 };
 
-/* The following struct holds VID related attributes, which are not available
+/*
+ * The following struct holds VID related attributes, which are not available
  * in all chips. The following chips support them:
- * DME1737 */
+ * DME1737
+ */
 static struct attribute *dme1737_vid_attr[] = {
 	&dev_attr_vrm.attr,
 	&dev_attr_cpu0_vid.attr,
@@ -1679,9 +1744,11 @@ static const struct attribute_group dme1737_vid_group = {
 	.attrs = dme1737_vid_attr,
 };
 
-/* The following struct holds temp zone 3 related attributes, which are not
+/*
+ * The following struct holds temp zone 3 related attributes, which are not
  * available in all chips. The following chips support them:
- * DME1737, SCH311x, SCH5027 */
+ * DME1737, SCH311x, SCH5027
+ */
 static struct attribute *dme1737_zone3_attr[] = {
 	&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
 	&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
@@ -1695,9 +1762,11 @@ static const struct attribute_group dme1737_zone3_group = {
 };
 
 
-/* The following struct holds temp zone hysteresis related attributes, which
+/*
+ * The following struct holds temp zone hysteresis related attributes, which
  * are not available in all chips. The following chips support them:
- * DME1737, SCH311x */
+ * DME1737, SCH311x
+ */
 static struct attribute *dme1737_zone_hyst_attr[] = {
 	&sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr,
 	&sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr,
@@ -1709,9 +1778,11 @@ static const struct attribute_group dme1737_zone_hyst_group = {
 	.attrs = dme1737_zone_hyst_attr,
 };
 
-/* The following struct holds voltage in7 related attributes, which
+/*
+ * The following struct holds voltage in7 related attributes, which
  * are not available in all chips. The following chips support them:
- * SCH5127 */
+ * SCH5127
+ */
 static struct attribute *dme1737_in7_attr[] = {
 	&sensor_dev_attr_in7_input.dev_attr.attr,
 	&sensor_dev_attr_in7_min.dev_attr.attr,
@@ -1724,9 +1795,11 @@ static const struct attribute_group dme1737_in7_group = {
 	.attrs = dme1737_in7_attr,
 };
 
-/* The following structs hold the PWM attributes, some of which are optional.
+/*
+ * The following structs hold the PWM attributes, some of which are optional.
  * Their creation depends on the chip configuration which is determined during
- * module load. */
+ * module load.
+ */
 static struct attribute *dme1737_pwm1_attr[] = {
 	&sensor_dev_attr_pwm1.dev_attr.attr,
 	&sensor_dev_attr_pwm1_freq.dev_attr.attr,
@@ -1779,18 +1852,22 @@ static const struct attribute_group dme1737_pwm_group[] = {
 	{ .attrs = dme1737_pwm6_attr },
 };
 
-/* The following struct holds auto PWM min attributes, which are not available
+/*
+ * The following struct holds auto PWM min attributes, which are not available
  * in all chips. Their creation depends on the chip type which is determined
- * during module load. */
+ * during module load.
+ */
 static struct attribute *dme1737_auto_pwm_min_attr[] = {
 	&sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr,
 	&sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr,
 	&sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr,
 };
 
-/* The following structs hold the fan attributes, some of which are optional.
+/*
+ * The following structs hold the fan attributes, some of which are optional.
  * Their creation depends on the chip configuration which is determined during
- * module load. */
+ * module load.
+ */
 static struct attribute *dme1737_fan1_attr[] = {
 	&sensor_dev_attr_fan1_input.dev_attr.attr,
 	&sensor_dev_attr_fan1_min.dev_attr.attr,
@@ -1843,8 +1920,10 @@ static const struct attribute_group dme1737_fan_group[] = {
 	{ .attrs = dme1737_fan6_attr },
 };
 
-/* The permissions of the following zone attributes are changed to read-
- * writeable if the chip is *not* locked. Otherwise they stay read-only. */
+/*
+ * The permissions of the following zone attributes are changed to read-
+ * writeable if the chip is *not* locked. Otherwise they stay read-only.
+ */
 static struct attribute *dme1737_zone_chmod_attr[] = {
 	&sensor_dev_attr_zone1_auto_point1_temp.dev_attr.attr,
 	&sensor_dev_attr_zone1_auto_point2_temp.dev_attr.attr,
@@ -1860,8 +1939,10 @@ static const struct attribute_group dme1737_zone_chmod_group = {
 };
 
 
-/* The permissions of the following zone 3 attributes are changed to read-
- * writeable if the chip is *not* locked. Otherwise they stay read-only. */
+/*
+ * The permissions of the following zone 3 attributes are changed to read-
+ * writeable if the chip is *not* locked. Otherwise they stay read-only.
+ */
 static struct attribute *dme1737_zone3_chmod_attr[] = {
 	&sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr,
 	&sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr,
@@ -1873,9 +1954,11 @@ static const struct attribute_group dme1737_zone3_chmod_group = {
 	.attrs = dme1737_zone3_chmod_attr,
 };
 
-/* The permissions of the following PWM attributes are changed to read-
+/*
+ * The permissions of the following PWM attributes are changed to read-
  * writeable if the chip is *not* locked and the respective PWM is available.
- * Otherwise they stay read-only. */
+ * Otherwise they stay read-only.
+ */
 static struct attribute *dme1737_pwm1_chmod_attr[] = {
 	&sensor_dev_attr_pwm1_freq.dev_attr.attr,
 	&sensor_dev_attr_pwm1_enable.dev_attr.attr,
@@ -1920,8 +2003,10 @@ static const struct attribute_group dme1737_pwm_chmod_group[] = {
 	{ .attrs = dme1737_pwm6_chmod_attr },
 };
 
-/* Pwm[1-3] are read-writeable if the associated pwm is in manual mode and the
- * chip is not locked. Otherwise they are read-only. */
+/*
+ * Pwm[1-3] are read-writeable if the associated pwm is in manual mode and the
+ * chip is not locked. Otherwise they are read-only.
+ */
 static struct attribute *dme1737_pwm_chmod_attr[] = {
 	&sensor_dev_attr_pwm1.dev_attr.attr,
 	&sensor_dev_attr_pwm2.dev_attr.attr,
@@ -1975,9 +2060,8 @@ static void dme1737_chmod_group(struct device *dev,
 {
 	struct attribute **attr;
 
-	for (attr = group->attrs; *attr; attr++) {
+	for (attr = group->attrs; *attr; attr++)
 		dme1737_chmod_file(dev, *attr, mode);
-	}
 }
 
 static void dme1737_remove_files(struct device *dev)
@@ -2003,26 +2087,20 @@ static void dme1737_remove_files(struct device *dev)
 		}
 	}
 
-	if (data->has_features & HAS_TEMP_OFFSET) {
+	if (data->has_features & HAS_TEMP_OFFSET)
 		sysfs_remove_group(&dev->kobj, &dme1737_temp_offset_group);
-	}
-	if (data->has_features & HAS_VID) {
+	if (data->has_features & HAS_VID)
 		sysfs_remove_group(&dev->kobj, &dme1737_vid_group);
-	}
-	if (data->has_features & HAS_ZONE3) {
+	if (data->has_features & HAS_ZONE3)
 		sysfs_remove_group(&dev->kobj, &dme1737_zone3_group);
-	}
-	if (data->has_features & HAS_ZONE_HYST) {
+	if (data->has_features & HAS_ZONE_HYST)
 		sysfs_remove_group(&dev->kobj, &dme1737_zone_hyst_group);
-	}
-	if (data->has_features & HAS_IN7) {
+	if (data->has_features & HAS_IN7)
 		sysfs_remove_group(&dev->kobj, &dme1737_in7_group);
-	}
 	sysfs_remove_group(&dev->kobj, &dme1737_group);
 
-	if (!data->client) {
+	if (!data->client)
 		sysfs_remove_file(&dev->kobj, &dev_attr_name.attr);
-	}
 }
 
 static int dme1737_create_files(struct device *dev)
@@ -2033,48 +2111,41 @@ static int dme1737_create_files(struct device *dev)
 	/* Create a name attribute for ISA devices */
 	if (!data->client) {
 		err = sysfs_create_file(&dev->kobj, &dev_attr_name.attr);
-		if (err) {
+		if (err)
 			goto exit;
-		}
 	}
 
 	/* Create standard sysfs attributes */
 	err = sysfs_create_group(&dev->kobj, &dme1737_group);
-	if (err) {
+	if (err)
 		goto exit_remove;
-	}
 
 	/* Create chip-dependent sysfs attributes */
 	if (data->has_features & HAS_TEMP_OFFSET) {
 		err = sysfs_create_group(&dev->kobj,
 					 &dme1737_temp_offset_group);
-		if (err) {
+		if (err)
 			goto exit_remove;
-		}
 	}
 	if (data->has_features & HAS_VID) {
 		err = sysfs_create_group(&dev->kobj, &dme1737_vid_group);
-		if (err) {
+		if (err)
 			goto exit_remove;
-		}
 	}
 	if (data->has_features & HAS_ZONE3) {
 		err = sysfs_create_group(&dev->kobj, &dme1737_zone3_group);
-		if (err) {
+		if (err)
 			goto exit_remove;
-		}
 	}
 	if (data->has_features & HAS_ZONE_HYST) {
 		err = sysfs_create_group(&dev->kobj, &dme1737_zone_hyst_group);
-		if (err) {
+		if (err)
 			goto exit_remove;
-		}
 	}
 	if (data->has_features & HAS_IN7) {
 		err = sysfs_create_group(&dev->kobj, &dme1737_in7_group);
-		if (err) {
+		if (err)
 			goto exit_remove;
-		}
 	}
 
 	/* Create fan sysfs attributes */
@@ -2082,9 +2153,8 @@ static int dme1737_create_files(struct device *dev)
 		if (data->has_features & HAS_FAN(ix)) {
 			err = sysfs_create_group(&dev->kobj,
 						 &dme1737_fan_group[ix]);
-			if (err) {
+			if (err)
 				goto exit_remove;
-			}
 		}
 	}
 
@@ -2093,21 +2163,21 @@ static int dme1737_create_files(struct device *dev)
 		if (data->has_features & HAS_PWM(ix)) {
 			err = sysfs_create_group(&dev->kobj,
 						 &dme1737_pwm_group[ix]);
-			if (err) {
+			if (err)
 				goto exit_remove;
-			}
 			if ((data->has_features & HAS_PWM_MIN) && (ix < 3)) {
 				err = sysfs_create_file(&dev->kobj,
 						dme1737_auto_pwm_min_attr[ix]);
-				if (err) {
+				if (err)
 					goto exit_remove;
-				}
 			}
 		}
 	}
 
-	/* Inform if the device is locked. Otherwise change the permissions of
-	 * selected attributes from read-only to read-writeable. */
+	/*
+	 * Inform if the device is locked. Otherwise change the permissions of
+	 * selected attributes from read-only to read-writeable.
+	 */
 	if (data->config & 0x02) {
 		dev_info(dev, "Device is locked. Some attributes "
 			 "will be read-only.\n");
@@ -2194,26 +2264,30 @@ static int dme1737_init_device(struct device *dev)
 		return -EFAULT;
 	}
 
-	/* Determine which optional fan and pwm features are enabled (only
-	 * valid for I2C devices) */
+	/*
+	 * Determine which optional fan and pwm features are enabled (only
+	 * valid for I2C devices)
+	 */
 	if (client) {   /* I2C chip */
 		data->config2 = dme1737_read(data, DME1737_REG_CONFIG2);
 		/* Check if optional fan3 input is enabled */
-		if (data->config2 & 0x04) {
+		if (data->config2 & 0x04)
 			data->has_features |= HAS_FAN(2);
-		}
 
-		/* Fan4 and pwm3 are only available if the client's I2C address
+		/*
+		 * Fan4 and pwm3 are only available if the client's I2C address
 		 * is the default 0x2e. Otherwise the I/Os associated with
-		 * these functions are used for addr enable/select. */
-		if (client->addr == 0x2e) {
+		 * these functions are used for addr enable/select.
+		 */
+		if (client->addr == 0x2e)
 			data->has_features |= HAS_FAN(3) | HAS_PWM(2);
-		}
 
-		/* Determine which of the optional fan[5-6] and pwm[5-6]
+		/*
+		 * Determine which of the optional fan[5-6] and pwm[5-6]
 		 * features are enabled. For this, we need to query the runtime
 		 * registers through the Super-IO LPC interface. Try both
-		 * config ports 0x2e and 0x4e. */
+		 * config ports 0x2e and 0x4e.
+		 */
 		if (dme1737_i2c_get_features(0x2e, data) &&
 		    dme1737_i2c_get_features(0x4e, data)) {
 			dev_warn(dev, "Failed to query Super-IO for optional "
@@ -2271,9 +2345,11 @@ static int dme1737_init_device(struct device *dev)
 			 ((reg >> 4) & 0x03) + 1);
 	}
 
-	/* Switch pwm[1-3] to manual mode if they are currently disabled and
+	/*
+	 * Switch pwm[1-3] to manual mode if they are currently disabled and
 	 * set the duty-cycles to 0% (which is identical to the PWMs being
-	 * disabled). */
+	 * disabled).
+	 */
 	if (!(data->config & 0x02)) {
 		for (ix = 0; ix < 3; ix++) {
 			data->pwm_config[ix] = dme1737_read(data,
@@ -2298,9 +2374,8 @@ static int dme1737_init_device(struct device *dev)
 	data->pwm_acz[2] = 4;	/* pwm3 -> zone3 */
 
 	/* Set VRM */
-	if (data->has_features & HAS_VID) {
+	if (data->has_features & HAS_VID)
 		data->vrm = vid_which_vrm();
-	}
 
 	return 0;
 }
@@ -2318,8 +2393,10 @@ static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data)
 
 	dme1737_sio_enter(sio_cip);
 
-	/* Check device ID
-	 * We currently know about two kinds of DME1737 and SCH5027. */
+	/*
+	 * Check device ID
+	 * We currently know about two kinds of DME1737 and SCH5027.
+	 */
 	reg = force_id ? force_id : dme1737_sio_inb(sio_cip, 0x20);
 	if (!(reg == DME1737_ID_1 || reg == DME1737_ID_2 ||
 	      reg == SCH5027_ID)) {
@@ -2338,21 +2415,19 @@ static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data)
 		goto exit;
 	}
 
-	/* Read the runtime registers to determine which optional features
+	/*
+	 * Read the runtime registers to determine which optional features
 	 * are enabled and available. Bits [3:2] of registers 0x43-0x46 are set
-	 * to '10' if the respective feature is enabled. */
-	if ((inb(addr + 0x43) & 0x0c) == 0x08) { /* fan6 */
+	 * to '10' if the respective feature is enabled.
+	 */
+	if ((inb(addr + 0x43) & 0x0c) == 0x08) /* fan6 */
 		data->has_features |= HAS_FAN(5);
-	}
-	if ((inb(addr + 0x44) & 0x0c) == 0x08) { /* pwm6 */
+	if ((inb(addr + 0x44) & 0x0c) == 0x08) /* pwm6 */
 		data->has_features |= HAS_PWM(5);
-	}
-	if ((inb(addr + 0x45) & 0x0c) == 0x08) { /* fan5 */
+	if ((inb(addr + 0x45) & 0x0c) == 0x08) /* fan5 */
 		data->has_features |= HAS_FAN(4);
-	}
-	if ((inb(addr + 0x46) & 0x0c) == 0x08) { /* pwm5 */
+	if ((inb(addr + 0x46) & 0x0c) == 0x08) /* pwm5 */
 		data->has_features |= HAS_PWM(4);
-	}
 
 exit:
 	dme1737_sio_exit(sio_cip);
@@ -2369,9 +2444,8 @@ static int dme1737_i2c_detect(struct i2c_client *client,
 	u8 company, verstep = 0;
 	const char *name;
 
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
-	}
 
 	company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY);
 	verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP);
@@ -2486,8 +2560,10 @@ static int __init dme1737_isa_detect(int sio_cip, unsigned short *addr)
 
 	dme1737_sio_enter(sio_cip);
 
-	/* Check device ID
-	 * We currently know about SCH3112, SCH3114, SCH3116, and SCH5127 */
+	/*
+	 * Check device ID
+	 * We currently know about SCH3112, SCH3114, SCH3116, and SCH5127
+	 */
 	reg = force_id ? force_id : dme1737_sio_inb(sio_cip, 0x20);
 	if (!(reg == SCH3112_ID || reg == SCH3114_ID || reg == SCH3116_ID ||
 	      reg == SCH5127_ID)) {
@@ -2507,8 +2583,10 @@ static int __init dme1737_isa_detect(int sio_cip, unsigned short *addr)
 		goto exit;
 	}
 
-	/* Access to the hwmon registers is through an index/data register
-	 * pair located at offset 0x70/0x71. */
+	/*
+	 * Access to the hwmon registers is through an index/data register
+	 * pair located at offset 0x70/0x71.
+	 */
 	*addr = base_addr + 0x70;
 
 exit:
@@ -2610,11 +2688,10 @@ static int __devinit dme1737_isa_probe(struct platform_device *pdev)
 		}
 	}
 
-	if (data->type == sch5127) {
+	if (data->type == sch5127)
 		data->name = "sch5127";
-	} else {
+	else
 		data->name = "sch311x";
-	}
 
 	/* Initialize the mutex */
 	mutex_init(&data->update_lock);
@@ -2689,9 +2766,8 @@ static int __init dme1737_init(void)
 	unsigned short addr;
 
 	err = i2c_add_driver(&dme1737_i2c_driver);
-	if (err) {
+	if (err)
 		goto exit;
-	}
 
 	if (dme1737_isa_detect(0x2e, &addr) &&
 	    dme1737_isa_detect(0x4e, &addr) &&
@@ -2703,15 +2779,13 @@ static int __init dme1737_init(void)
 	}
 
 	err = platform_driver_register(&dme1737_isa_driver);
-	if (err) {
+	if (err)
 		goto exit_del_i2c_driver;
-	}
 
 	/* Sets global pdev as a side effect */
 	err = dme1737_isa_device_add(addr);
-	if (err) {
+	if (err)
 		goto exit_del_isa_driver;
-	}
 
 	return 0;
 
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index ef1ac996752e..f647a3307ebc 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -1,25 +1,25 @@
 /*
-    ds1621.c - Part of lm_sensors, Linux kernel modules for hardware
-             monitoring
-    Christian W. Zuckschwerdt  <zany@triq.net>  2000-11-23
-    based on lm75.c by Frodo Looijaard <frodol@dds.nl>
-    Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with 
-    the help of Jean Delvare <khali@linux-fr.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * ds1621.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	      monitoring
+ * Christian W. Zuckschwerdt  <zany@triq.net>  2000-11-23
+ * based on lm75.c by Frodo Looijaard <frodol@dds.nl>
+ * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
+ * the help of Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -67,7 +67,7 @@ static const u8 DS1621_REG_TEMP[3] = {
 
 /* Conversions */
 #define ALARMS_FROM_REG(val) ((val) & \
-                              (DS1621_ALARM_TEMP_HIGH | DS1621_ALARM_TEMP_LOW))
+			(DS1621_ALARM_TEMP_HIGH | DS1621_ALARM_TEMP_LOW))
 
 /* Each client has this additional data */
 struct ds1621_data {
@@ -93,10 +93,10 @@ static void ds1621_init_client(struct i2c_client *client)
 		new_conf &= ~DS1621_REG_CONFIG_POLARITY;
 	else if (polarity == 1)
 		new_conf |= DS1621_REG_CONFIG_POLARITY;
-	
+
 	if (conf != new_conf)
 		i2c_smbus_write_byte_data(client, DS1621_REG_CONF, new_conf);
-	
+
 	/* start conversion */
 	i2c_smbus_write_byte(client, DS1621_COM_START);
 }
@@ -155,10 +155,15 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	struct i2c_client *client = to_i2c_client(dev);
 	struct ds1621_data *data = i2c_get_clientdata(client);
-	u16 val = LM75_TEMP_TO_REG(simple_strtol(buf, NULL, 10));
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	data->temp[attr->index] = val;
+	data->temp[attr->index] = LM75_TEMP_TO_REG(val);
 	i2c_smbus_write_word_swapped(client, DS1621_REG_TEMP[attr->index],
 				     data->temp[attr->index]);
 	mutex_unlock(&data->update_lock);
@@ -212,14 +217,17 @@ static int ds1621_detect(struct i2c_client *client,
 	int conf, temp;
 	int i;
 
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA 
-				     | I2C_FUNC_SMBUS_WORD_DATA 
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA
+				     | I2C_FUNC_SMBUS_WORD_DATA
 				     | I2C_FUNC_SMBUS_WRITE_BYTE))
 		return -ENODEV;
 
-	/* Now, we do the remaining detection. It is lousy. */
-	/* The NVB bit should be low if no EEPROM write has been  requested
-	   during the latest 10ms, which is highly improbable in our case. */
+	/*
+	 * Now, we do the remaining detection. It is lousy.
+	 *
+	 * The NVB bit should be low if no EEPROM write has been requested
+	 * during the latest 10ms, which is highly improbable in our case.
+	 */
 	conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF);
 	if (conf < 0 || conf & DS1621_REG_CONFIG_NVB)
 		return -ENODEV;
@@ -254,7 +262,8 @@ static int ds1621_probe(struct i2c_client *client,
 	ds1621_init_client(client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &ds1621_group)))
+	err = sysfs_create_group(&client->dev.kobj, &ds1621_group);
+	if (err)
 		goto exit_free;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -265,11 +274,11 @@ static int ds1621_probe(struct i2c_client *client,
 
 	return 0;
 
-      exit_remove_files:
+ exit_remove_files:
 	sysfs_remove_group(&client->dev.kobj, &ds1621_group);
-      exit_free:
+ exit_free:
 	kfree(data);
-      exit:
+ exit:
 	return err;
 }
 
@@ -305,20 +314,8 @@ static struct i2c_driver ds1621_driver = {
 	.address_list	= normal_i2c,
 };
 
-static int __init ds1621_init(void)
-{
-	return i2c_add_driver(&ds1621_driver);
-}
-
-static void __exit ds1621_exit(void)
-{
-	i2c_del_driver(&ds1621_driver);
-}
-
+module_i2c_driver(ds1621_driver);
 
 MODULE_AUTHOR("Christian W. Zuckschwerdt <zany@triq.net>");
 MODULE_DESCRIPTION("DS1621 driver");
 MODULE_LICENSE("GPL");
-
-module_init(ds1621_init);
-module_exit(ds1621_exit);
diff --git a/drivers/hwmon/ds620.c b/drivers/hwmon/ds620.c
index 300c3d4d67df..50663efad412 100644
--- a/drivers/hwmon/ds620.c
+++ b/drivers/hwmon/ds620.c
@@ -297,19 +297,8 @@ static struct i2c_driver ds620_driver = {
 	.id_table = ds620_id,
 };
 
-static int __init ds620_init(void)
-{
-	return i2c_add_driver(&ds620_driver);
-}
-
-static void __exit ds620_exit(void)
-{
-	i2c_del_driver(&ds620_driver);
-}
+module_i2c_driver(ds620_driver);
 
 MODULE_AUTHOR("Roland Stigge <stigge@antcom.de>");
 MODULE_DESCRIPTION("DS620 driver");
 MODULE_LICENSE("GPL");
-
-module_init(ds620_init);
-module_exit(ds620_exit);
diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c
index 270ffab711cb..149dcb0e148f 100644
--- a/drivers/hwmon/emc1403.c
+++ b/drivers/hwmon/emc1403.c
@@ -41,8 +41,10 @@
 struct thermal_data {
 	struct device *hwmon_dev;
 	struct mutex mutex;
-	/* Cache the hyst value so we don't keep re-reading it. In theory
-	   we could cache it forever as nobody else should be writing it. */
+	/*
+	 * Cache the hyst value so we don't keep re-reading it. In theory
+	 * we could cache it forever as nobody else should be writing it.
+	 */
 	u8 cached_hyst;
 	unsigned long hyst_valid;
 };
@@ -283,8 +285,10 @@ static int emc1403_detect(struct i2c_client *client,
 	case 0x23:
 		strlcpy(info->type, "emc1423", I2C_NAME_SIZE);
 		break;
-	/* Note: 0x25 is the 1404 which is very similar and this
-	   driver could be extended */
+	/*
+	 * Note: 0x25 is the 1404 which is very similar and this
+	 * driver could be extended
+	 */
 	default:
 		return -ENODEV;
 	}
@@ -366,18 +370,7 @@ static struct i2c_driver sensor_emc1403 = {
 	.address_list = emc1403_address_list,
 };
 
-static int __init sensor_emc1403_init(void)
-{
-	return i2c_add_driver(&sensor_emc1403);
-}
-
-static void  __exit sensor_emc1403_exit(void)
-{
-	i2c_del_driver(&sensor_emc1403);
-}
-
-module_init(sensor_emc1403_init);
-module_exit(sensor_emc1403_exit);
+module_i2c_driver(sensor_emc1403);
 
 MODULE_AUTHOR("Kalhan Trisal <kalhan.trisal@intel.com");
 MODULE_DESCRIPTION("emc1403 Thermal Driver");
diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c
index 865063914d76..9691f664c76e 100644
--- a/drivers/hwmon/emc2103.c
+++ b/drivers/hwmon/emc2103.c
@@ -1,21 +1,21 @@
 /*
-    emc2103.c - Support for SMSC EMC2103
-    Copyright (c) 2010 SMSC
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * emc2103.c - Support for SMSC EMC2103
+ * Copyright (c) 2010 SMSC
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -48,12 +48,14 @@ static const u8 REG_TEMP_MAX[4] = { 0x34, 0x30, 0x31, 0x32 };
 /* equation 4 from datasheet: rpm = (3932160 * multipler) / count */
 #define FAN_RPM_FACTOR		3932160
 
-/* 2103-2 and 2103-4's 3rd temperature sensor can be connected to two diodes
+/*
+ * 2103-2 and 2103-4's 3rd temperature sensor can be connected to two diodes
  * in anti-parallel mode, and in this configuration both can be read
  * independently (so we have 4 temperature inputs).  The device can't
  * detect if it's connected in this mode, so we have to manually enable
  * it.  Default is to leave the device in the state it's already in (-1).
- * This parameter allows APD mode to be optionally forced on or off */
+ * This parameter allows APD mode to be optionally forced on or off
+ */
 static int apd = -1;
 module_param(apd, bint, 0);
 MODULE_PARM_DESC(init, "Set to zero to disable anti-parallel diode mode");
@@ -302,10 +304,12 @@ show_fan_div(struct device *dev, struct device_attribute *da, char *buf)
 	return sprintf(buf, "%d\n", fan_div);
 }
 
-/* Note: we also update the fan target here, because its value is
-   determined in part by the fan clock divider.  This follows the principle
-   of least surprise; the user doesn't expect the fan target to change just
-   because the divider changed. */
+/*
+ * Note: we also update the fan target here, because its value is
+ * determined in part by the fan clock divider.  This follows the principle
+ * of least surprise; the user doesn't expect the fan target to change just
+ * because the divider changed.
+ */
 static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
 			   const char *buf, size_t count)
 {
@@ -722,19 +726,8 @@ static struct i2c_driver emc2103_driver = {
 	.address_list	= normal_i2c,
 };
 
-static int __init sensors_emc2103_init(void)
-{
-	return i2c_add_driver(&emc2103_driver);
-}
-
-static void __exit sensors_emc2103_exit(void)
-{
-	i2c_del_driver(&emc2103_driver);
-}
+module_i2c_driver(emc2103_driver);
 
 MODULE_AUTHOR("Steve Glendinning <steve.glendinning@smsc.com>");
 MODULE_DESCRIPTION("SMSC EMC2103 hwmon driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_emc2103_init);
-module_exit(sensors_emc2103_exit);
diff --git a/drivers/hwmon/emc6w201.c b/drivers/hwmon/emc6w201.c
index 6ebb9b738c9c..840f5112e602 100644
--- a/drivers/hwmon/emc6w201.c
+++ b/drivers/hwmon/emc6w201.c
@@ -552,17 +552,7 @@ static struct i2c_driver emc6w201_driver = {
 	.address_list	= normal_i2c,
 };
 
-static int __init sensors_emc6w201_init(void)
-{
-	return i2c_add_driver(&emc6w201_driver);
-}
-module_init(sensors_emc6w201_init);
-
-static void __exit sensors_emc6w201_exit(void)
-{
-	i2c_del_driver(&emc6w201_driver);
-}
-module_exit(sensors_emc6w201_exit);
+module_i2c_driver(emc6w201_driver);
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("SMSC EMC6W201 hardware monitoring driver");
diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c
index 6dbfd3e516e4..3e4da620e9c7 100644
--- a/drivers/hwmon/f71805f.c
+++ b/drivers/hwmon/f71805f.c
@@ -202,7 +202,7 @@ struct f71805f_sio_data {
 
 static inline long in_from_reg(u8 reg)
 {
-	return (reg * 8);
+	return reg * 8;
 }
 
 /* The 2 least significant bits are not used */
@@ -212,13 +212,13 @@ static inline u8 in_to_reg(long val)
 		return 0;
 	if (val >= 2016)
 		return 0xfc;
-	return (((val + 16) / 32) << 2);
+	return ((val + 16) / 32) << 2;
 }
 
 /* in0 is downscaled by a factor 2 internally */
 static inline long in0_from_reg(u8 reg)
 {
-	return (reg * 16);
+	return reg * 16;
 }
 
 static inline u8 in0_to_reg(long val)
@@ -227,7 +227,7 @@ static inline u8 in0_to_reg(long val)
 		return 0;
 	if (val >= 4032)
 		return 0xfc;
-	return (((val + 32) / 64) << 2);
+	return ((val + 32) / 64) << 2;
 }
 
 /* The 4 most significant bits are not used */
@@ -236,17 +236,19 @@ static inline long fan_from_reg(u16 reg)
 	reg &= 0xfff;
 	if (!reg || reg == 0xfff)
 		return 0;
-	return (1500000 / reg);
+	return 1500000 / reg;
 }
 
 static inline u16 fan_to_reg(long rpm)
 {
-	/* If the low limit is set below what the chip can measure,
-	   store the largest possible 12-bit value in the registers,
-	   so that no alarm will ever trigger. */
+	/*
+	 * If the low limit is set below what the chip can measure,
+	 * store the largest possible 12-bit value in the registers,
+	 * so that no alarm will ever trigger.
+	 */
 	if (rpm < 367)
 		return 0xfff;
-	return (1500000 / rpm);
+	return 1500000 / rpm;
 }
 
 static inline unsigned long pwm_freq_from_reg(u8 reg)
@@ -278,7 +280,7 @@ static inline int pwm_mode_from_reg(u8 reg)
 
 static inline long temp_from_reg(u8 reg)
 {
-	return (reg * 1000);
+	return reg * 1000;
 }
 
 static inline u8 temp_to_reg(long val)
@@ -308,9 +310,11 @@ static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val)
 	outb(val, data->addr + DATA_REG_OFFSET);
 }
 
-/* It is important to read the MSB first, because doing so latches the
-   value of the LSB, so we are sure both bytes belong to the same value.
-   Must be called with data->update_lock held, except during initialization */
+/*
+ * It is important to read the MSB first, because doing so latches the
+ * value of the LSB, so we are sure both bytes belong to the same value.
+ * Must be called with data->update_lock held, except during initialization
+ */
 static u16 f71805f_read16(struct f71805f_data *data, u8 reg)
 {
 	u16 val;
@@ -455,7 +459,12 @@ static ssize_t set_in0_max(struct device *dev, struct device_attribute
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	int nr = attr->index;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_high[nr] = in0_to_reg(val);
@@ -471,7 +480,12 @@ static ssize_t set_in0_min(struct device *dev, struct device_attribute
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	int nr = attr->index;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_low[nr] = in0_to_reg(val);
@@ -517,7 +531,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	int nr = attr->index;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_high[nr] = in_to_reg(val);
@@ -533,7 +552,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	int nr = attr->index;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_low[nr] = in_to_reg(val);
@@ -579,7 +603,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	int nr = attr->index;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_low[nr] = fan_to_reg(val);
@@ -595,7 +624,12 @@ static ssize_t set_fan_target(struct device *dev, struct device_attribute
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	int nr = attr->index;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_target[nr] = fan_to_reg(val);
@@ -664,7 +698,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	int nr = attr->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	if (val > 255)
 		return -EINVAL;
@@ -685,8 +724,13 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	int nr = attr->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
 	u8 reg;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	if (val < 1 || val > 3)
 		return -EINVAL;
@@ -730,7 +774,12 @@ static ssize_t set_pwm_freq(struct device *dev, struct device_attribute
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	int nr = attr->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->pwm_freq[nr] = pwm_freq_to_reg(val);
@@ -742,7 +791,7 @@ static ssize_t set_pwm_freq(struct device *dev, struct device_attribute
 
 static ssize_t show_pwm_auto_point_temp(struct device *dev,
 					struct device_attribute *devattr,
-					char* buf)
+					char *buf)
 {
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
@@ -755,13 +804,18 @@ static ssize_t show_pwm_auto_point_temp(struct device *dev,
 
 static ssize_t set_pwm_auto_point_temp(struct device *dev,
 				       struct device_attribute *devattr,
-				       const char* buf, size_t count)
+				       const char *buf, size_t count)
 {
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
 	int pwmnr = attr->nr;
 	int apnr = attr->index;
-	unsigned long val = simple_strtol(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->auto_points[pwmnr].temp[apnr] = temp_to_reg(val);
@@ -774,7 +828,7 @@ static ssize_t set_pwm_auto_point_temp(struct device *dev,
 
 static ssize_t show_pwm_auto_point_fan(struct device *dev,
 				       struct device_attribute *devattr,
-				       char* buf)
+				       char *buf)
 {
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
@@ -787,18 +841,23 @@ static ssize_t show_pwm_auto_point_fan(struct device *dev,
 
 static ssize_t set_pwm_auto_point_fan(struct device *dev,
 				      struct device_attribute *devattr,
-				      const char* buf, size_t count)
+				      const char *buf, size_t count)
 {
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
 	int pwmnr = attr->nr;
 	int apnr = attr->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->auto_points[pwmnr].fan[apnr] = fan_to_reg(val);
 	f71805f_write16(data, F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr),
-		        data->auto_points[pwmnr].fan[apnr]);
+			data->auto_points[pwmnr].fan[apnr]);
 	mutex_unlock(&data->update_lock);
 
 	return count;
@@ -851,7 +910,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	int nr = attr->index;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_high[nr] = temp_to_reg(val);
@@ -867,7 +931,12 @@ static ssize_t set_temp_hyst(struct device *dev, struct device_attribute
 	struct f71805f_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	int nr = attr->index;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_hyst[nr] = temp_to_reg(val);
@@ -920,9 +989,9 @@ static ssize_t show_name(struct device *dev, struct device_attribute
 }
 
 static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL, 0);
-static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR,
+static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
 			  show_in0_max, set_in0_max, 0);
-static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR,
+static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
 			  show_in0_min, set_in0_min, 0);
 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
 static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR,
@@ -1010,8 +1079,10 @@ static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR,
 		    show_temp_hyst, set_temp_hyst, 2);
 static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2);
 
-/* pwm (value) files are created read-only, write permission is
-   then added or removed dynamically as needed */
+/*
+ * pwm (value) files are created read-only, write permission is
+ * then added or removed dynamically as needed
+ */
 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, show_pwm, set_pwm, 0);
 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
 			  show_pwm_enable, set_pwm_enable, 0);
@@ -1246,8 +1317,10 @@ static const struct attribute_group f71805f_group_optin[4] = {
 	{ .attrs = f71805f_attributes_optin[3] },
 };
 
-/* We don't include pwm_freq files in the arrays above, because they must be
-   created conditionally (only if pwm_mode is 1 == PWM) */
+/*
+ * We don't include pwm_freq files in the arrays above, because they must be
+ * created conditionally (only if pwm_mode is 1 == PWM)
+ */
 static struct attribute *f71805f_attributes_pwm_freq[] = {
 	&sensor_dev_attr_pwm1_freq.dev_attr.attr,
 	&sensor_dev_attr_pwm2_freq.dev_attr.attr,
@@ -1282,13 +1355,17 @@ static void __devinit f71805f_init_device(struct f71805f_data *data)
 		f71805f_write8(data, F71805F_REG_START, (reg | 0x01) & ~0x40);
 	}
 
-	/* Fan monitoring can be disabled. If it is, we won't be polling
-	   the register values, and won't create the related sysfs files. */
+	/*
+	 * Fan monitoring can be disabled. If it is, we won't be polling
+	 * the register values, and won't create the related sysfs files.
+	 */
 	for (i = 0; i < 3; i++) {
 		data->fan_ctrl[i] = f71805f_read8(data,
 						  F71805F_REG_FAN_CTRL(i));
-		/* Clear latch full bit, else "speed mode" fan speed control
-		   doesn't work */
+		/*
+		 * Clear latch full bit, else "speed mode" fan speed control
+		 * doesn't work
+		 */
 		if (data->fan_ctrl[i] & FAN_CTRL_LATCH_FULL) {
 			data->fan_ctrl[i] &= ~FAN_CTRL_LATCH_FULL;
 			f71805f_write8(data, F71805F_REG_FAN_CTRL(i),
@@ -1304,12 +1381,13 @@ static int __devinit f71805f_probe(struct platform_device *pdev)
 	struct resource *res;
 	int i, err;
 
-	static const char *names[] = {
+	static const char * const names[] = {
 		"f71805f",
 		"f71872f",
 	};
 
-	if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL);
+	if (!data) {
 		err = -ENOMEM;
 		pr_err("Out of memory\n");
 		goto exit;
@@ -1347,40 +1425,47 @@ static int __devinit f71805f_probe(struct platform_device *pdev)
 	f71805f_init_device(data);
 
 	/* Register sysfs interface files */
-	if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group)))
+	err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group);
+	if (err)
 		goto exit_release_region;
 	if (data->has_in & (1 << 4)) { /* in4 */
-		if ((err = sysfs_create_group(&pdev->dev.kobj,
-					      &f71805f_group_optin[0])))
+		err = sysfs_create_group(&pdev->dev.kobj,
+					 &f71805f_group_optin[0]);
+		if (err)
 			goto exit_remove_files;
 	}
 	if (data->has_in & (1 << 8)) { /* in8 */
-		if ((err = sysfs_create_group(&pdev->dev.kobj,
-					      &f71805f_group_optin[1])))
+		err = sysfs_create_group(&pdev->dev.kobj,
+					 &f71805f_group_optin[1]);
+		if (err)
 			goto exit_remove_files;
 	}
 	if (data->has_in & (1 << 9)) { /* in9 (F71872F/FG only) */
-		if ((err = sysfs_create_group(&pdev->dev.kobj,
-					      &f71805f_group_optin[2])))
+		err = sysfs_create_group(&pdev->dev.kobj,
+					 &f71805f_group_optin[2]);
+		if (err)
 			goto exit_remove_files;
 	}
 	if (data->has_in & (1 << 10)) { /* in9 (F71872F/FG only) */
-		if ((err = sysfs_create_group(&pdev->dev.kobj,
-					      &f71805f_group_optin[3])))
+		err = sysfs_create_group(&pdev->dev.kobj,
+					 &f71805f_group_optin[3]);
+		if (err)
 			goto exit_remove_files;
 	}
 	for (i = 0; i < 3; i++) {
 		/* If control mode is PWM, create pwm_freq file */
 		if (!(data->fan_ctrl[i] & FAN_CTRL_DC_MODE)) {
-			if ((err = sysfs_create_file(&pdev->dev.kobj,
-					f71805f_attributes_pwm_freq[i])))
+			err = sysfs_create_file(&pdev->dev.kobj,
+						f71805f_attributes_pwm_freq[i]);
+			if (err)
 				goto exit_remove_files;
 		}
 		/* If PWM is in manual mode, add write permission */
 		if (data->fan_ctrl[i] & FAN_CTRL_MODE_MANUAL) {
-			if ((err = sysfs_chmod_file(&pdev->dev.kobj,
-						    f71805f_attr_pwm[i],
-						    S_IRUGO | S_IWUSR))) {
+			err = sysfs_chmod_file(&pdev->dev.kobj,
+					       f71805f_attr_pwm[i],
+					       S_IRUGO | S_IWUSR);
+			if (err) {
 				dev_err(&pdev->dev, "chmod +w pwm%d failed\n",
 					i + 1);
 				goto exit_remove_files;
@@ -1495,7 +1580,7 @@ static int __init f71805f_find(int sioaddr, unsigned short *address,
 	int err = -ENODEV;
 	u16 devid;
 
-	static const char *names[] = {
+	static const char * const names[] = {
 		"F71805F/FG",
 		"F71872F/FG or F71806F/FG",
 	};
diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index e50305819f01..6d1226365e30 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -112,7 +112,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID");
 enum chips { f71808e, f71808a, f71858fg, f71862fg, f71869, f71869a, f71882fg,
 	     f71889fg, f71889ed, f71889a, f8000, f81865f };
 
-static const char *f71882fg_names[] = {
+static const char *const f71882fg_names[] = {
 	"f71808e",
 	"f71808a",
 	"f71858fg",
@@ -252,9 +252,11 @@ struct f71882fg_data {
 	u16	fan_full_speed[4];
 	u8	fan_status;
 	u8	fan_beep;
-	/* Note: all models have max 3 temperature channels, but on some
-	   they are addressed as 0-2 and on others as 1-3, so for coding
-	   convenience we reserve space for 4 channels */
+	/*
+	 * Note: all models have max 3 temperature channels, but on some
+	 * they are addressed as 0-2 and on others as 1-3, so for coding
+	 * convenience we reserve space for 4 channels
+	 */
 	u16	temp[4];
 	u8	temp_ovt[4];
 	u8	temp_high[4];
@@ -362,7 +364,7 @@ static ssize_t store_pwm_auto_point_temp(struct device *dev,
 static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
 	char *buf);
 
-static int __devinit f71882fg_probe(struct platform_device * pdev);
+static int __devinit f71882fg_probe(struct platform_device *pdev);
 static int f71882fg_remove(struct platform_device *pdev);
 
 static struct platform_driver f71882fg_driver = {
@@ -376,8 +378,10 @@ static struct platform_driver f71882fg_driver = {
 
 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
 
-/* Temp attr for the f71858fg, the f71858fg is special as it has its
-   temperature indexes start at 0 (the others start at 1) */
+/*
+ * Temp attr for the f71858fg, the f71858fg is special as it has its
+ * temperature indexes start at 0 (the others start at 1)
+ */
 static struct sensor_device_attribute_2 f71858fg_temp_attr[] = {
 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
 	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
@@ -424,9 +428,11 @@ static struct sensor_device_attribute_2 fxxxx_temp_attr[3][9] = { {
 		store_temp_max, 0, 1),
 	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
 		store_temp_max_hyst, 0, 1),
-	/* Should really be temp1_max_alarm, but older versions did not handle
-	   the max and crit alarms separately and lm_sensors v2 depends on the
-	   presence of temp#_alarm files. The same goes for temp2/3 _alarm. */
+	/*
+	 * Should really be temp1_max_alarm, but older versions did not handle
+	 * the max and crit alarms separately and lm_sensors v2 depends on the
+	 * presence of temp#_alarm files. The same goes for temp2/3 _alarm.
+	 */
 	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
 	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
 		store_temp_crit, 0, 1),
@@ -485,10 +491,11 @@ static struct sensor_device_attribute_2 fxxxx_temp_beep_attr[3][2] = { {
 		store_temp_beep, 0, 7),
 } };
 
-/* Temp attr for the f8000
-   Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
-   is used as hysteresis value to clear alarms
-   Also like the f71858fg its temperature indexes start at 0
+/*
+ * Temp attr for the f8000
+ * Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
+ * is used as hysteresis value to clear alarms
+ * Also like the f71858fg its temperature indexes start at 0
  */
 static struct sensor_device_attribute_2 f8000_temp_attr[] = {
 	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
@@ -603,8 +610,10 @@ static struct sensor_device_attribute_2 fxxxx_fan_beep_attr[] = {
 		store_fan_beep, 0, 3),
 };
 
-/* PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the
-   standard models */
+/*
+ * PWM attr for the f71862fg, fewer pwms and fewer zones per pwm than the
+ * standard models
+ */
 static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[3][7] = { {
 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
 		      show_pwm_auto_point_channel,
@@ -673,9 +682,11 @@ static struct sensor_device_attribute_2 f71862fg_auto_pwm_attr[3][7] = { {
 		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
 } };
 
-/* PWM attr for the f71808e/f71869, almost identical to the f71862fg, but the
-   pwm setting when the temperature is above the pwmX_auto_point1_temp can be
-   programmed instead of being hardcoded to 0xff */
+/*
+ * PWM attr for the f71808e/f71869, almost identical to the f71862fg, but the
+ * pwm setting when the temperature is above the pwmX_auto_point1_temp can be
+ * programmed instead of being hardcoded to 0xff
+ */
 static struct sensor_device_attribute_2 f71869_auto_pwm_attr[3][8] = { {
 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
 		      show_pwm_auto_point_channel,
@@ -925,9 +936,11 @@ static struct sensor_device_attribute_2 f8000_fan_attr[] = {
 	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
 };
 
-/* PWM attr for the f8000, zones mapped to temp instead of to pwm!
-   Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
-   F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0 */
+/*
+ * PWM attr for the f8000, zones mapped to temp instead of to pwm!
+ * Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
+ * F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0
+ */
 static struct sensor_device_attribute_2 f8000_auto_pwm_attr[3][14] = { {
 	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
 		      show_pwm_auto_point_channel,
@@ -2295,8 +2308,10 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
 			data->temp_config =
 				f71882fg_read8(data, F71882FG_REG_TEMP_CONFIG);
 			if (data->temp_config & 0x10)
-				/* The f71858fg temperature alarms behave as
-				   the f8000 alarms in this mode */
+				/*
+				 * The f71858fg temperature alarms behave as
+				 * the f8000 alarms in this mode
+				 */
 				err = f71882fg_create_sysfs_files(pdev,
 					f8000_temp_attr,
 					ARRAY_SIZE(f8000_temp_attr));
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index 6aa5a9fad879..729499e75210 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -917,19 +917,8 @@ static int f75375_detect(struct i2c_client *client,
 	return 0;
 }
 
-static int __init sensors_f75375_init(void)
-{
-	return i2c_add_driver(&f75375_driver);
-}
-
-static void __exit sensors_f75375_exit(void)
-{
-	i2c_del_driver(&f75375_driver);
-}
+module_i2c_driver(f75375_driver);
 
 MODULE_AUTHOR("Riku Voipio");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("F75373/F75375/F75387 hardware monitoring driver");
-
-module_init(sensors_f75375_init);
-module_exit(sensors_f75375_exit);
diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c
index aa6d8b686f82..8305d29459bd 100644
--- a/drivers/hwmon/fschmd.c
+++ b/drivers/hwmon/fschmd.c
@@ -1,4 +1,5 @@
-/* fschmd.c
+/*
+ * fschmd.c
  *
  * Copyright (C) 2007 - 2009 Hans de Goede <hdegoede@redhat.com>
  *
@@ -76,12 +77,12 @@ enum chips { fscpos, fscher, fscscy, fschrc, fschmd, fschds, fscsyl };
 #define FSCHMD_CONTROL_ALERT_LED	0x01
 
 /* watchdog */
-static const u8 FSCHMD_REG_WDOG_CONTROL[7] =
-	{ 0x21, 0x21, 0x21, 0x21, 0x21, 0x28, 0x28 };
-static const u8 FSCHMD_REG_WDOG_STATE[7] =
-	{ 0x23, 0x23, 0x23, 0x23, 0x23, 0x29, 0x29 };
-static const u8 FSCHMD_REG_WDOG_PRESET[7] =
-	{ 0x28, 0x28, 0x28, 0x28, 0x28, 0x2a, 0x2a };
+static const u8 FSCHMD_REG_WDOG_CONTROL[7] = {
+	0x21, 0x21, 0x21, 0x21, 0x21, 0x28, 0x28 };
+static const u8 FSCHMD_REG_WDOG_STATE[7] = {
+	0x23, 0x23, 0x23, 0x23, 0x23, 0x29, 0x29 };
+static const u8 FSCHMD_REG_WDOG_PRESET[7] = {
+	0x28, 0x28, 0x28, 0x28, 0x28, 0x2a, 0x2a };
 
 #define FSCHMD_WDOG_CONTROL_TRIGGER	0x10
 #define FSCHMD_WDOG_CONTROL_STARTED	0x10 /* the same as trigger */
@@ -103,10 +104,12 @@ static const u8 FSCHMD_REG_VOLT[7][6] = {
 
 static const int FSCHMD_NO_VOLT_SENSORS[7] = { 3, 3, 3, 3, 3, 3, 6 };
 
-/* minimum pwm at which the fan is driven (pwm can by increased depending on
-   the temp. Notice that for the scy some fans share there minimum speed.
-   Also notice that with the scy the sensor order is different than with the
-   other chips, this order was in the 2.4 driver and kept for consistency. */
+/*
+ * minimum pwm at which the fan is driven (pwm can by increased depending on
+ * the temp. Notice that for the scy some fans share there minimum speed.
+ * Also notice that with the scy the sensor order is different than with the
+ * other chips, this order was in the 2.4 driver and kept for consistency.
+ */
 static const u8 FSCHMD_REG_FAN_MIN[7][7] = {
 	{ 0x55, 0x65 },					/* pos */
 	{ 0x55, 0x65, 0xb5 },				/* her */
@@ -182,11 +185,13 @@ static const u8 FSCHMD_REG_TEMP_STATE[7][11] = {
 	  0xb9, 0xc9, 0xd9, 0xe9, 0xf9 },
 };
 
-/* temperature high limit registers, FSC does not document these. Proven to be
-   there with field testing on the fscher and fschrc, already supported / used
-   in the fscscy 2.4 driver. FSC has confirmed that the fschmd has registers
-   at these addresses, but doesn't want to confirm they are the same as with
-   the fscher?? */
+/*
+ * temperature high limit registers, FSC does not document these. Proven to be
+ * there with field testing on the fscher and fschrc, already supported / used
+ * in the fscscy 2.4 driver. FSC has confirmed that the fschmd has registers
+ * at these addresses, but doesn't want to confirm they are the same as with
+ * the fscher??
+ */
 static const u8 FSCHMD_REG_TEMP_LIMIT[7][11] = {
 	{ 0, 0, 0 },					/* pos */
 	{ 0x76, 0x86, 0x96 },				/* her */
@@ -198,13 +203,15 @@ static const u8 FSCHMD_REG_TEMP_LIMIT[7][11] = {
 	  0xba, 0xca, 0xda, 0xea, 0xfa },
 };
 
-/* These were found through experimenting with an fscher, currently they are
-   not used, but we keep them around for future reference.
-   On the fscsyl AUTOP1 lives at 0x#c (so 0x5c for fan1, 0x6c for fan2, etc),
-   AUTOP2 lives at 0x#e, and 0x#1 is a bitmask defining which temps influence
-   the fan speed.
-static const u8 FSCHER_REG_TEMP_AUTOP1[] =	{ 0x73, 0x83, 0x93 };
-static const u8 FSCHER_REG_TEMP_AUTOP2[] =	{ 0x75, 0x85, 0x95 }; */
+/*
+ * These were found through experimenting with an fscher, currently they are
+ * not used, but we keep them around for future reference.
+ * On the fscsyl AUTOP1 lives at 0x#c (so 0x5c for fan1, 0x6c for fan2, etc),
+ * AUTOP2 lives at 0x#e, and 0x#1 is a bitmask defining which temps influence
+ * the fan speed.
+ * static const u8 FSCHER_REG_TEMP_AUTOP1[] =	{ 0x73, 0x83, 0x93 };
+ * static const u8 FSCHER_REG_TEMP_AUTOP2[] =	{ 0x75, 0x85, 0x95 };
+ */
 
 static const int FSCHMD_NO_TEMP_SENSORS[7] = { 3, 3, 4, 3, 5, 5, 11 };
 
@@ -290,24 +297,30 @@ struct fschmd_data {
 	u8 fan_ripple[7];	/* divider for rps */
 };
 
-/* Global variables to hold information read from special DMI tables, which are
-   available on FSC machines with an fscher or later chip. There is no need to
-   protect these with a lock as they are only modified from our attach function
-   which always gets called with the i2c-core lock held and never accessed
-   before the attach function is done with them. */
+/*
+ * Global variables to hold information read from special DMI tables, which are
+ * available on FSC machines with an fscher or later chip. There is no need to
+ * protect these with a lock as they are only modified from our attach function
+ * which always gets called with the i2c-core lock held and never accessed
+ * before the attach function is done with them.
+ */
 static int dmi_mult[6] = { 490, 200, 100, 100, 200, 100 };
 static int dmi_offset[6] = { 0, 0, 0, 0, 0, 0 };
 static int dmi_vref = -1;
 
-/* Somewhat ugly :( global data pointer list with all fschmd devices, so that
-   we can find our device data as when using misc_register there is no other
-   method to get to ones device data from the open fop. */
+/*
+ * Somewhat ugly :( global data pointer list with all fschmd devices, so that
+ * we can find our device data as when using misc_register there is no other
+ * method to get to ones device data from the open fop.
+ */
 static LIST_HEAD(watchdog_data_list);
 /* Note this lock not only protect list access, but also data.kref access */
 static DEFINE_MUTEX(watchdog_data_mutex);
 
-/* Release our data struct when we're detached from the i2c client *and* all
-   references to our watchdog device are released */
+/*
+ * Release our data struct when we're detached from the i2c client *and* all
+ * references to our watchdog device are released
+ */
 static void fschmd_release_resources(struct kref *ref)
 {
 	struct fschmd_data *data = container_of(ref, struct fschmd_data, kref);
@@ -359,9 +372,14 @@ static ssize_t store_temp_max(struct device *dev, struct device_attribute
 {
 	int index = to_sensor_dev_attr(devattr)->index;
 	struct fschmd_data *data = dev_get_drvdata(dev);
-	long v = simple_strtol(buf, NULL, 10) / 1000;
+	long v;
+	int err;
 
-	v = SENSORS_LIMIT(v, -128, 127) + 128;
+	err = kstrtol(buf, 10, &v);
+	if (err)
+		return err;
+
+	v = SENSORS_LIMIT(v / 1000, -128, 127) + 128;
 
 	mutex_lock(&data->update_lock);
 	i2c_smbus_write_byte_data(to_i2c_client(dev),
@@ -427,12 +445,23 @@ static ssize_t store_fan_div(struct device *dev, struct device_attribute
 	int index = to_sensor_dev_attr(devattr)->index;
 	struct fschmd_data *data = dev_get_drvdata(dev);
 	/* supported values: 2, 4, 8 */
-	unsigned long v = simple_strtoul(buf, NULL, 10);
+	unsigned long v;
+	int err;
+
+	err = kstrtoul(buf, 10, &v);
+	if (err)
+		return err;
 
 	switch (v) {
-	case 2: v = 1; break;
-	case 4: v = 2; break;
-	case 8: v = 3; break;
+	case 2:
+		v = 1;
+		break;
+	case 4:
+		v = 2;
+		break;
+	case 8:
+		v = 3;
+		break;
 	default:
 		dev_err(dev, "fan_div value %lu not supported. "
 			"Choose one of 2, 4 or 8!\n", v);
@@ -502,7 +531,12 @@ static ssize_t store_pwm_auto_point1_pwm(struct device *dev,
 {
 	int index = to_sensor_dev_attr(devattr)->index;
 	struct fschmd_data *data = dev_get_drvdata(dev);
-	unsigned long v = simple_strtoul(buf, NULL, 10);
+	unsigned long v;
+	int err;
+
+	err = kstrtoul(buf, 10, &v);
+	if (err)
+		return err;
 
 	/* reg: 0 = allow turning off (except on the syl), 1-255 = 50-100% */
 	if (v || data->kind == fscsyl) {
@@ -522,8 +556,10 @@ static ssize_t store_pwm_auto_point1_pwm(struct device *dev,
 }
 
 
-/* The FSC hwmon family has the ability to force an attached alert led to flash
-   from software, we export this as an alert_led sysfs attr */
+/*
+ * The FSC hwmon family has the ability to force an attached alert led to flash
+ * from software, we export this as an alert_led sysfs attr
+ */
 static ssize_t show_alert_led(struct device *dev,
 	struct device_attribute *devattr, char *buf)
 {
@@ -540,7 +576,12 @@ static ssize_t store_alert_led(struct device *dev,
 {
 	u8 reg;
 	struct fschmd_data *data = dev_get_drvdata(dev);
-	unsigned long v = simple_strtoul(buf, NULL, 10);
+	unsigned long v;
+	int err;
+
+	err = kstrtoul(buf, 10, &v);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -754,8 +795,10 @@ static int watchdog_stop(struct fschmd_data *data)
 	}
 
 	data->watchdog_control &= ~FSCHMD_WDOG_CONTROL_STARTED;
-	/* Don't store the stop flag in our watchdog control register copy, as
-	   its a write only bit (read always returns 0) */
+	/*
+	 * Don't store the stop flag in our watchdog control register copy, as
+	 * its a write only bit (read always returns 0)
+	 */
 	i2c_smbus_write_byte_data(data->client,
 		FSCHMD_REG_WDOG_CONTROL[data->kind],
 		data->watchdog_control | FSCHMD_WDOG_CONTROL_STOP);
@@ -769,10 +812,12 @@ static int watchdog_open(struct inode *inode, struct file *filp)
 	struct fschmd_data *pos, *data = NULL;
 	int watchdog_is_open;
 
-	/* We get called from drivers/char/misc.c with misc_mtx hold, and we
-	   call misc_register() from fschmd_probe() with watchdog_data_mutex
-	   hold, as misc_register() takes the misc_mtx lock, this is a possible
-	   deadlock, so we use mutex_trylock here. */
+	/*
+	 * We get called from drivers/char/misc.c with misc_mtx hold, and we
+	 * call misc_register() from fschmd_probe() with watchdog_data_mutex
+	 * hold, as misc_register() takes the misc_mtx lock, this is a possible
+	 * deadlock, so we use mutex_trylock here.
+	 */
 	if (!mutex_trylock(&watchdog_data_mutex))
 		return -ERESTARTSYS;
 	list_for_each_entry(pos, &watchdog_data_list, list) {
@@ -847,7 +892,8 @@ static ssize_t watchdog_write(struct file *filp, const char __user *buf,
 	return count;
 }
 
-static long watchdog_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+static long watchdog_ioctl(struct file *filp, unsigned int cmd,
+			   unsigned long arg)
 {
 	struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
@@ -930,30 +976,38 @@ static const struct file_operations watchdog_fops = {
  * Detect, register, unregister and update device functions
  */
 
-/* DMI decode routine to read voltage scaling factors from special DMI tables,
-   which are available on FSC machines with an fscher or later chip. */
+/*
+ * DMI decode routine to read voltage scaling factors from special DMI tables,
+ * which are available on FSC machines with an fscher or later chip.
+ */
 static void fschmd_dmi_decode(const struct dmi_header *header, void *dummy)
 {
 	int i, mult[3] = { 0 }, offset[3] = { 0 }, vref = 0, found = 0;
 
-	/* dmi code ugliness, we get passed the address of the contents of
-	   a complete DMI record, but in the form of a dmi_header pointer, in
-	   reality this address holds header->length bytes of which the header
-	   are the first 4 bytes */
+	/*
+	 * dmi code ugliness, we get passed the address of the contents of
+	 * a complete DMI record, but in the form of a dmi_header pointer, in
+	 * reality this address holds header->length bytes of which the header
+	 * are the first 4 bytes
+	 */
 	u8 *dmi_data = (u8 *)header;
 
 	/* We are looking for OEM-specific type 185 */
 	if (header->type != 185)
 		return;
 
-	/* we are looking for what Siemens calls "subtype" 19, the subtype
-	   is stored in byte 5 of the dmi block */
+	/*
+	 * we are looking for what Siemens calls "subtype" 19, the subtype
+	 * is stored in byte 5 of the dmi block
+	 */
 	if (header->length < 5 || dmi_data[4] != 19)
 		return;
 
-	/* After the subtype comes 1 unknown byte and then blocks of 5 bytes,
-	   consisting of what Siemens calls an "Entity" number, followed by
-	   2 16-bit words in LSB first order */
+	/*
+	 * After the subtype comes 1 unknown byte and then blocks of 5 bytes,
+	 * consisting of what Siemens calls an "Entity" number, followed by
+	 * 2 16-bit words in LSB first order
+	 */
 	for (i = 6; (i + 4) < header->length; i += 5) {
 		/* entity 1 - 3: voltage multiplier and offset */
 		if (dmi_data[i] >= 1 && dmi_data[i] <= 3) {
@@ -988,9 +1042,11 @@ static void fschmd_dmi_decode(const struct dmi_header *header, void *dummy)
 			dmi_mult[i] = mult[i] * 10;
 			dmi_offset[i] = offset[i] * 10;
 		}
-		/* According to the docs there should be separate dmi entries
-		   for the mult's and offsets of in3-5 of the syl, but on
-		   my test machine these are not present */
+		/*
+		 * According to the docs there should be separate dmi entries
+		 * for the mult's and offsets of in3-5 of the syl, but on
+		 * my test machine these are not present
+		 */
 		dmi_mult[3] = dmi_mult[2];
 		dmi_mult[4] = dmi_mult[1];
 		dmi_mult[5] = dmi_mult[2];
@@ -1058,15 +1114,19 @@ static int fschmd_probe(struct i2c_client *client,
 	mutex_init(&data->watchdog_lock);
 	INIT_LIST_HEAD(&data->list);
 	kref_init(&data->kref);
-	/* Store client pointer in our data struct for watchdog usage
-	   (where the client is found through a data ptr instead of the
-	   otherway around) */
+	/*
+	 * Store client pointer in our data struct for watchdog usage
+	 * (where the client is found through a data ptr instead of the
+	 * otherway around)
+	 */
 	data->client = client;
 	data->kind = kind;
 
 	if (kind == fscpos) {
-		/* The Poseidon has hardwired temp limits, fill these
-		   in for the alarm resetting code */
+		/*
+		 * The Poseidon has hardwired temp limits, fill these
+		 * in for the alarm resetting code
+		 */
 		data->temp_max[0] = 70 + 128;
 		data->temp_max[1] = 50 + 128;
 		data->temp_max[2] = 50 + 128;
@@ -1157,9 +1217,11 @@ static int fschmd_probe(struct i2c_client *client,
 		goto exit_detach;
 	}
 
-	/* We take the data_mutex lock early so that watchdog_open() cannot
-	   run when misc_register() has completed, but we've not yet added
-	   our data to the watchdog_data_list (and set the default timeout) */
+	/*
+	 * We take the data_mutex lock early so that watchdog_open() cannot
+	 * run when misc_register() has completed, but we've not yet added
+	 * our data to the watchdog_data_list (and set the default timeout)
+	 */
 	mutex_lock(&watchdog_data_mutex);
 	for (i = 0; i < ARRAY_SIZE(watchdog_minors); i++) {
 		/* Register our watchdog part */
@@ -1225,8 +1287,10 @@ static int fschmd_remove(struct i2c_client *client)
 		mutex_unlock(&data->watchdog_lock);
 	}
 
-	/* Check if registered in case we're called from fschmd_detect
-	   to cleanup after an error */
+	/*
+	 * Check if registered in case we're called from fschmd_detect
+	 * to cleanup after an error
+	 */
 	if (data->hwmon_dev)
 		hwmon_device_unregister(data->hwmon_dev);
 
@@ -1269,8 +1333,10 @@ static struct fschmd_data *fschmd_update_device(struct device *dev)
 					client,
 					FSCHMD_REG_TEMP_LIMIT[data->kind][i]);
 
-			/* reset alarm if the alarm condition is gone,
-			   the chip doesn't do this itself */
+			/*
+			 * reset alarm if the alarm condition is gone,
+			 * the chip doesn't do this itself
+			 */
 			if ((data->temp_status[i] & FSCHMD_TEMP_ALARM_MASK) ==
 					FSCHMD_TEMP_ALARM_MASK &&
 					data->temp_act[i] < data->temp_max[i])
@@ -1314,20 +1380,9 @@ static struct fschmd_data *fschmd_update_device(struct device *dev)
 	return data;
 }
 
-static int __init fschmd_init(void)
-{
-	return i2c_add_driver(&fschmd_driver);
-}
-
-static void __exit fschmd_exit(void)
-{
-	i2c_del_driver(&fschmd_driver);
-}
+module_i2c_driver(fschmd_driver);
 
 MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
 MODULE_DESCRIPTION("FSC Poseidon, Hermes, Scylla, Heracles, Heimdall, Hades "
 			"and Syleus driver");
 MODULE_LICENSE("GPL");
-
-module_init(fschmd_init);
-module_exit(fschmd_exit);
diff --git a/drivers/hwmon/g760a.c b/drivers/hwmon/g760a.c
index 781277ddbaa5..ebcd2698e4dc 100644
--- a/drivers/hwmon/g760a.c
+++ b/drivers/hwmon/g760a.c
@@ -1,17 +1,17 @@
 /*
-    g760a - Driver for the Global Mixed-mode Technology Inc. G760A
-            fan speed PWM controller chip
-
-    Copyright (C) 2007  Herbert Valerio Riedel <hvr@gnu.org>
-
-    Complete datasheet is available at GMT's website:
-      http://www.gmt.com.tw/product/datasheet/EDS-760A.pdf 
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-*/
+ * g760a - Driver for the Global Mixed-mode Technology Inc. G760A
+ *	   fan speed PWM controller chip
+ *
+ * Copyright (C) 2007  Herbert Valerio Riedel <hvr@gnu.org>
+ *
+ * Complete datasheet is available at GMT's website:
+ * http://www.gmt.com.tw/product/datasheet/EDS-760A.pdf
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -59,7 +59,8 @@ struct g760a_data {
 	u8 act_cnt; /*   formula: cnt = (CLK * 30)/(rpm * P) */
 	u8 fan_sta; /* bit 0: set when actual fan speed more than 20%
 		     *   outside requested fan speed
-		     * bit 1: set when fan speed below 1920 rpm */
+		     * bit 1: set when fan speed below 1920 rpm
+		     */
 };
 
 #define G760A_DEFAULT_CLK 32768
@@ -99,7 +100,7 @@ static int g760a_write_value(struct i2c_client *client, enum g760a_regs reg,
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-/****************************************************************************
+/*
  * sysfs attributes
  */
 
@@ -192,7 +193,7 @@ static const struct attribute_group g760a_group = {
 	.attrs = g760a_attributes,
 };
 
-/****************************************************************************
+/*
  * new-style driver model code
  */
 
@@ -250,21 +251,8 @@ static int g760a_remove(struct i2c_client *client)
 	return 0;
 }
 
-/* module management */
-
-static int __init g760a_init(void)
-{
-	return i2c_add_driver(&g760a_driver);
-}
-
-static void __exit g760a_exit(void)
-{
-	i2c_del_driver(&g760a_driver);
-}
+module_i2c_driver(g760a_driver);
 
 MODULE_AUTHOR("Herbert Valerio Riedel <hvr@gnu.org>");
 MODULE_DESCRIPTION("GMT G760A driver");
 MODULE_LICENSE("GPL");
-
-module_init(g760a_init);
-module_exit(g760a_exit);
diff --git a/drivers/hwmon/gl518sm.c b/drivers/hwmon/gl518sm.c
index a13e2da97e30..764a083ac7a7 100644
--- a/drivers/hwmon/gl518sm.c
+++ b/drivers/hwmon/gl518sm.c
@@ -83,11 +83,12 @@ enum chips { gl518sm_r00, gl518sm_r80 };
 
 #define RAW_FROM_REG(val)	val
 
-#define BOOL_FROM_REG(val)	((val)?0:1)
-#define BOOL_TO_REG(val)	((val)?0:1)
+#define BOOL_FROM_REG(val)	((val) ? 0 : 1)
+#define BOOL_TO_REG(val)	((val) ? 0 : 1)
 
-#define TEMP_TO_REG(val)	(SENSORS_LIMIT(((((val)<0? \
-				(val)-500:(val)+500)/1000)+119),0,255))
+#define TEMP_TO_REG(val)	SENSORS_LIMIT(((((val) < 0 ? \
+				(val) - 500 : \
+				(val) + 500) / 1000) + 119), 0, 255)
 #define TEMP_FROM_REG(val)	(((val) - 119) * 1000)
 
 static inline u8 FAN_TO_REG(long rpm, int div)
@@ -98,13 +99,13 @@ static inline u8 FAN_TO_REG(long rpm, int div)
 	rpmdiv = SENSORS_LIMIT(rpm, 1, 960000) * div;
 	return SENSORS_LIMIT((480000 + rpmdiv / 2) / rpmdiv, 1, 255);
 }
-#define FAN_FROM_REG(val,div)	((val)==0 ? 0 : (480000/((val)*(div))))
+#define FAN_FROM_REG(val, div)	((val) == 0 ? 0 : (480000 / ((val) * (div))))
 
-#define IN_TO_REG(val)		(SENSORS_LIMIT((((val)+9)/19),0,255))
-#define IN_FROM_REG(val)	((val)*19)
+#define IN_TO_REG(val)		SENSORS_LIMIT((((val) + 9) / 19), 0, 255)
+#define IN_FROM_REG(val)	((val) * 19)
 
-#define VDD_TO_REG(val)		(SENSORS_LIMIT((((val)*4+47)/95),0,255))
-#define VDD_FROM_REG(val)	(((val)*95+2)/4)
+#define VDD_TO_REG(val)		SENSORS_LIMIT((((val) * 4 + 47) / 95), 0, 255)
+#define VDD_FROM_REG(val)	(((val) * 95 + 2) / 4)
 
 #define DIV_FROM_REG(val)	(1 << (val))
 
@@ -169,7 +170,8 @@ static struct i2c_driver gl518_driver = {
  */
 
 #define show(type, suffix, value)					\
-static ssize_t show_##suffix(struct device *dev, struct device_attribute *attr, char *buf)		\
+static ssize_t show_##suffix(struct device *dev,			\
+			     struct device_attribute *attr, char *buf)	\
 {									\
 	struct gl518_data *data = gl518_update_device(dev);		\
 	return sprintf(buf, "%d\n", type##_FROM_REG(data->value));	\
@@ -222,12 +224,16 @@ static ssize_t show_fan_div(struct device *dev,
 }
 
 #define set(type, suffix, value, reg)					\
-static ssize_t set_##suffix(struct device *dev, struct device_attribute *attr, const char *buf,	\
-	size_t count)							\
+static ssize_t set_##suffix(struct device *dev,				\
+			    struct device_attribute *attr,		\
+			    const char *buf, size_t count)		\
 {									\
 	struct i2c_client *client = to_i2c_client(dev);			\
 	struct gl518_data *data = i2c_get_clientdata(client);		\
-	long val = simple_strtol(buf, NULL, 10);			\
+	long val;							\
+	int err = kstrtol(buf, 10, &val);				\
+	if (err)							\
+		return err;						\
 									\
 	mutex_lock(&data->update_lock);					\
 	data->value = type##_TO_REG(val);				\
@@ -237,13 +243,17 @@ static ssize_t set_##suffix(struct device *dev, struct device_attribute *attr, c
 }
 
 #define set_bits(type, suffix, value, reg, mask, shift)			\
-static ssize_t set_##suffix(struct device *dev, struct device_attribute *attr, const char *buf,	\
-	size_t count)							\
+static ssize_t set_##suffix(struct device *dev,				\
+			    struct device_attribute *attr,		\
+			    const char *buf, size_t count)		\
 {									\
 	struct i2c_client *client = to_i2c_client(dev);			\
 	struct gl518_data *data = i2c_get_clientdata(client);		\
 	int regvalue;							\
-	unsigned long val = simple_strtoul(buf, NULL, 10);		\
+	unsigned long val;						\
+	int err = kstrtoul(buf, 10, &val);				\
+	if (err)							\
+		return err;						\
 									\
 	mutex_lock(&data->update_lock);					\
 	regvalue = gl518_read_value(client, reg);			\
@@ -280,7 +290,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
 	struct gl518_data *data = i2c_get_clientdata(client);
 	int nr = to_sensor_dev_attr(attr)->index;
 	int regvalue;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
@@ -308,13 +323,26 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
 	struct gl518_data *data = i2c_get_clientdata(client);
 	int nr = to_sensor_dev_attr(attr)->index;
 	int regvalue;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	switch (val) {
-	case 1: val = 0; break;
-	case 2: val = 1; break;
-	case 4: val = 2; break;
-	case 8: val = 3; break;
+	case 1:
+		val = 0;
+		break;
+	case 2:
+		val = 1;
+		break;
+	case 4:
+		val = 2;
+		break;
+	case 8:
+		val = 3;
+		break;
 	default:
 		dev_err(dev, "Invalid fan clock divider %lu, choose one "
 			"of 1, 2, 4 or 8\n", val);
@@ -395,8 +423,12 @@ static ssize_t set_beep(struct device *dev, struct device_attribute *attr,
 	struct gl518_data *data = i2c_get_clientdata(client);
 	int bitnr = to_sensor_dev_attr(attr)->index;
 	unsigned long bit;
+	int err;
+
+	err = kstrtoul(buf, 10, &bit);
+	if (err)
+		return err;
 
-	bit = simple_strtoul(buf, NULL, 10);
 	if (bit & ~1)
 		return -EINVAL;
 
@@ -528,12 +560,14 @@ static int gl518_probe(struct i2c_client *client,
 	gl518_init_client(client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &gl518_group)))
+	err = sysfs_create_group(&client->dev.kobj, &gl518_group);
+	if (err)
 		goto exit_free;
-	if (data->type == gl518sm_r80)
-		if ((err = sysfs_create_group(&client->dev.kobj,
-					      &gl518_group_r80)))
+	if (data->type == gl518sm_r80) {
+		err = sysfs_create_group(&client->dev.kobj, &gl518_group_r80);
+		if (err)
 			goto exit_remove_files;
+	}
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -554,8 +588,10 @@ exit:
 }
 
 
-/* Called when we have found a new GL518SM.
-   Note that we preserve D4:NoFan2 and D2:beep_enable. */
+/*
+ * Called when we have found a new GL518SM.
+ * Note that we preserve D4:NoFan2 and D2:beep_enable.
+ */
 static void gl518_init_client(struct i2c_client *client)
 {
 	/* Make sure we leave D7:Reset untouched */
@@ -585,9 +621,11 @@ static int gl518_remove(struct i2c_client *client)
 	return 0;
 }
 
-/* Registers 0x07 to 0x0c are word-sized, others are byte-sized
-   GL518 uses a high-byte first convention, which is exactly opposite to
-   the SMBus standard. */
+/*
+ * Registers 0x07 to 0x0c are word-sized, others are byte-sized
+ * GL518 uses a high-byte first convention, which is exactly opposite to
+ * the SMBus standard.
+ */
 static int gl518_read_value(struct i2c_client *client, u8 reg)
 {
 	if ((reg >= 0x07) && (reg <= 0x0c))
@@ -676,21 +714,10 @@ static struct gl518_data *gl518_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_gl518sm_init(void)
-{
-	return i2c_add_driver(&gl518_driver);
-}
-
-static void __exit sensors_gl518sm_exit(void)
-{
-	i2c_del_driver(&gl518_driver);
-}
+module_i2c_driver(gl518_driver);
 
 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
 	"Kyosti Malkki <kmalkki@cc.hut.fi> and "
 	"Hong-Gunn Chew <hglinux@gunnet.org>");
 MODULE_DESCRIPTION("GL518SM driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_gl518sm_init);
-module_exit(sensors_gl518sm_exit);
diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c
index cd6085bbfba7..5ff452b6a4d0 100644
--- a/drivers/hwmon/gl520sm.c
+++ b/drivers/hwmon/gl520sm.c
@@ -1,25 +1,25 @@
 /*
-    gl520sm.c - Part of lm_sensors, Linux kernel modules for hardware
-                monitoring
-    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>,
-                              Kyösti Mälkki <kmalkki@cc.hut.fi>
-    Copyright (c) 2005        Maarten Deprez <maartendeprez@users.sourceforge.net>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+ * gl520sm.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	       monitoring
+ * Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>,
+ *			     Kyösti Mälkki <kmalkki@cc.hut.fi>
+ * Copyright (c) 2005	Maarten Deprez <maartendeprez@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -41,10 +41,11 @@ MODULE_PARM_DESC(extra_sensor_type, "Type of extra sensor (0=autodetect, 1=tempe
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
 
-/* Many GL520 constants specified below
-One of the inputs can be configured as either temp or voltage.
-That's why _TEMP2 and _IN4 access the same register
-*/
+/*
+ * Many GL520 constants specified below
+ * One of the inputs can be configured as either temp or voltage.
+ * That's why _TEMP2 and _IN4 access the same register
+ */
 
 /* The GL520 registers */
 #define GL520_REG_CHIP_ID		0x00
@@ -142,11 +143,11 @@ static ssize_t get_cpu_vid(struct device *dev, struct device_attribute *attr,
 }
 static DEVICE_ATTR(cpu0_vid, S_IRUGO, get_cpu_vid, NULL);
 
-#define VDD_FROM_REG(val) (((val)*95+2)/4)
-#define VDD_TO_REG(val) (SENSORS_LIMIT((((val)*4+47)/95),0,255))
+#define VDD_FROM_REG(val) (((val) * 95 + 2) / 4)
+#define VDD_TO_REG(val) SENSORS_LIMIT((((val) * 4 + 47) / 95), 0, 255)
 
-#define IN_FROM_REG(val) ((val)*19)
-#define IN_TO_REG(val) (SENSORS_LIMIT((((val)+9)/19),0,255))
+#define IN_FROM_REG(val) ((val) * 19)
+#define IN_TO_REG(val) SENSORS_LIMIT((((val) + 9) / 19), 0, 255)
 
 static ssize_t get_in_input(struct device *dev, struct device_attribute *attr,
 			    char *buf)
@@ -193,8 +194,13 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct gl520_data *data = i2c_get_clientdata(client);
 	int n = to_sensor_dev_attr(attr)->index;
-	long v = simple_strtol(buf, NULL, 10);
 	u8 r;
+	long v;
+	int err;
+
+	err = kstrtol(buf, 10, &v);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -222,8 +228,13 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct gl520_data *data = i2c_get_clientdata(client);
 	int n = to_sensor_dev_attr(attr)->index;
-	long v = simple_strtol(buf, NULL, 10);
 	u8 r;
+	long v;
+	int err;
+
+	err = kstrtol(buf, 10, &v);
+	if (err)
+		return err;
 
 	if (n == 0)
 		r = VDD_TO_REG(v);
@@ -272,8 +283,10 @@ static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR,
 		get_in_max, set_in_max, 4);
 
 #define DIV_FROM_REG(val) (1 << (val))
-#define FAN_FROM_REG(val,div) ((val)==0 ? 0 : (480000/((val) << (div))))
-#define FAN_TO_REG(val,div) ((val)<=0?0:SENSORS_LIMIT((480000 + ((val) << ((div)-1))) / ((val) << (div)), 1, 255))
+#define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : (480000 / ((val) << (div))))
+#define FAN_TO_REG(val, div) ((val) <= 0 ? 0 : \
+	SENSORS_LIMIT((480000 + ((val) << ((div)-1))) / ((val) << (div)), 1, \
+		      255))
 
 static ssize_t get_fan_input(struct device *dev, struct device_attribute *attr,
 			     char *buf)
@@ -317,8 +330,13 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct gl520_data *data = i2c_get_clientdata(client);
 	int n = to_sensor_dev_attr(attr)->index;
-	unsigned long v = simple_strtoul(buf, NULL, 10);
 	u8 r;
+	unsigned long v;
+	int err;
+
+	err = kstrtoul(buf, 10, &v);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	r = FAN_TO_REG(v, data->fan_div[n]);
@@ -351,16 +369,30 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct gl520_data *data = i2c_get_clientdata(client);
 	int n = to_sensor_dev_attr(attr)->index;
-	unsigned long v = simple_strtoul(buf, NULL, 10);
 	u8 r;
+	unsigned long v;
+	int err;
+
+	err = kstrtoul(buf, 10, &v);
+	if (err)
+		return err;
 
 	switch (v) {
-	case 1: r = 0; break;
-	case 2: r = 1; break;
-	case 4: r = 2; break;
-	case 8: r = 3; break;
+	case 1:
+		r = 0;
+		break;
+	case 2:
+		r = 1;
+		break;
+	case 4:
+		r = 2;
+		break;
+	case 8:
+		r = 3;
+		break;
 	default:
-		dev_err(&client->dev, "fan_div value %ld not supported. Choose one of 1, 2, 4 or 8!\n", v);
+		dev_err(&client->dev,
+	"fan_div value %ld not supported. Choose one of 1, 2, 4 or 8!\n", v);
 		return -EINVAL;
 	}
 
@@ -385,7 +417,15 @@ static ssize_t set_fan_off(struct device *dev, struct device_attribute *attr,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct gl520_data *data = i2c_get_clientdata(client);
-	u8 r = simple_strtoul(buf, NULL, 10)?1:0;
+	u8 r;
+	unsigned long v;
+	int err;
+
+	err = kstrtoul(buf, 10, &v);
+	if (err)
+		return err;
+
+	r = (v ? 1 : 0);
 
 	mutex_lock(&data->update_lock);
 	data->fan_off = r;
@@ -410,7 +450,8 @@ static DEVICE_ATTR(fan1_off, S_IRUGO | S_IWUSR,
 		get_fan_off, set_fan_off);
 
 #define TEMP_FROM_REG(val) (((val) - 130) * 1000)
-#define TEMP_TO_REG(val) (SENSORS_LIMIT(((((val)<0?(val)-500:(val)+500) / 1000)+130),0,255))
+#define TEMP_TO_REG(val) SENSORS_LIMIT(((((val) < 0 ? \
+			(val) - 500 : (val) + 500) / 1000) + 130), 0, 255)
 
 static ssize_t get_temp_input(struct device *dev, struct device_attribute *attr,
 			      char *buf)
@@ -430,8 +471,8 @@ static ssize_t get_temp_max(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[n]));
 }
 
-static ssize_t get_temp_max_hyst(struct device *dev, struct device_attribute
-				 *attr, char *buf)
+static ssize_t get_temp_max_hyst(struct device *dev,
+				 struct device_attribute *attr, char *buf)
 {
 	int n = to_sensor_dev_attr(attr)->index;
 	struct gl520_data *data = gl520_update_device(dev);
@@ -445,7 +486,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct gl520_data *data = i2c_get_clientdata(client);
 	int n = to_sensor_dev_attr(attr)->index;
-	long v = simple_strtol(buf, NULL, 10);
+	long v;
+	int err;
+
+	err = kstrtol(buf, 10, &v);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_max[n] = TEMP_TO_REG(v);
@@ -460,7 +506,12 @@ static ssize_t set_temp_max_hyst(struct device *dev, struct device_attribute
 	struct i2c_client *client = to_i2c_client(dev);
 	struct gl520_data *data = i2c_get_clientdata(client);
 	int n = to_sensor_dev_attr(attr)->index;
-	long v = simple_strtol(buf, NULL, 10);
+	long v;
+	int err;
+
+	err = kstrtol(buf, 10, &v);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_max_hyst[n] = TEMP_TO_REG(v);
@@ -507,7 +558,15 @@ static ssize_t set_beep_enable(struct device *dev, struct device_attribute
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct gl520_data *data = i2c_get_clientdata(client);
-	u8 r = simple_strtoul(buf, NULL, 10)?0:1;
+	u8 r;
+	unsigned long v;
+	int err;
+
+	err = kstrtoul(buf, 10, &v);
+	if (err)
+		return err;
+
+	r = (v ? 0 : 1);
 
 	mutex_lock(&data->update_lock);
 	data->beep_enable = !r;
@@ -523,7 +582,12 @@ static ssize_t set_beep_mask(struct device *dev, struct device_attribute *attr,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct gl520_data *data = i2c_get_clientdata(client);
-	u8 r = simple_strtoul(buf, NULL, 10);
+	unsigned long r;
+	int err;
+
+	err = kstrtoul(buf, 10, &r);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	r &= data->alarm_mask;
@@ -575,7 +639,11 @@ static ssize_t set_beep(struct device *dev, struct device_attribute *attr,
 	int bitnr = to_sensor_dev_attr(attr)->index;
 	unsigned long bit;
 
-	bit = simple_strtoul(buf, NULL, 10);
+	int err;
+
+	err = kstrtoul(buf, 10, &bit);
+	if (err)
+		return err;
 	if (bit & ~1)
 		return -EINVAL;
 
@@ -652,13 +720,16 @@ static const struct attribute_group gl520_group = {
 	.attrs = gl520_attributes,
 };
 
-static struct attribute *gl520_attributes_opt[] = {
+static struct attribute *gl520_attributes_in4[] = {
 	&sensor_dev_attr_in4_input.dev_attr.attr,
 	&sensor_dev_attr_in4_min.dev_attr.attr,
 	&sensor_dev_attr_in4_max.dev_attr.attr,
 	&sensor_dev_attr_in4_alarm.dev_attr.attr,
 	&sensor_dev_attr_in4_beep.dev_attr.attr,
+	NULL
+};
 
+static struct attribute *gl520_attributes_temp2[] = {
 	&sensor_dev_attr_temp2_input.dev_attr.attr,
 	&sensor_dev_attr_temp2_max.dev_attr.attr,
 	&sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
@@ -667,8 +738,12 @@ static struct attribute *gl520_attributes_opt[] = {
 	NULL
 };
 
-static const struct attribute_group gl520_group_opt = {
-	.attrs = gl520_attributes_opt,
+static const struct attribute_group gl520_group_in4 = {
+	.attrs = gl520_attributes_in4,
+};
+
+static const struct attribute_group gl520_group_temp2 = {
+	.attrs = gl520_attributes_temp2,
 };
 
 
@@ -717,35 +792,17 @@ static int gl520_probe(struct i2c_client *client,
 	gl520_init_client(client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &gl520_group)))
+	err = sysfs_create_group(&client->dev.kobj, &gl520_group);
+	if (err)
 		goto exit_free;
 
-	if (data->two_temps) {
-		if ((err = device_create_file(&client->dev,
-				&sensor_dev_attr_temp2_input.dev_attr))
-		 || (err = device_create_file(&client->dev,
-				&sensor_dev_attr_temp2_max.dev_attr))
-		 || (err = device_create_file(&client->dev,
-				&sensor_dev_attr_temp2_max_hyst.dev_attr))
-		 || (err = device_create_file(&client->dev,
-				&sensor_dev_attr_temp2_alarm.dev_attr))
-		 || (err = device_create_file(&client->dev,
-				&sensor_dev_attr_temp2_beep.dev_attr)))
-			goto exit_remove_files;
-	} else {
-		if ((err = device_create_file(&client->dev,
-				&sensor_dev_attr_in4_input.dev_attr))
-		 || (err = device_create_file(&client->dev,
-				&sensor_dev_attr_in4_min.dev_attr))
-		 || (err = device_create_file(&client->dev,
-				&sensor_dev_attr_in4_max.dev_attr))
-		 || (err = device_create_file(&client->dev,
-				&sensor_dev_attr_in4_alarm.dev_attr))
-		 || (err = device_create_file(&client->dev,
-				&sensor_dev_attr_in4_beep.dev_attr)))
-			goto exit_remove_files;
-	}
+	if (data->two_temps)
+		err = sysfs_create_group(&client->dev.kobj, &gl520_group_temp2);
+	else
+		err = sysfs_create_group(&client->dev.kobj, &gl520_group_in4);
 
+	if (err)
+		goto exit_remove_files;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -757,7 +814,8 @@ static int gl520_probe(struct i2c_client *client,
 
 exit_remove_files:
 	sysfs_remove_group(&client->dev.kobj, &gl520_group);
-	sysfs_remove_group(&client->dev.kobj, &gl520_group_opt);
+	sysfs_remove_group(&client->dev.kobj, &gl520_group_in4);
+	sysfs_remove_group(&client->dev.kobj, &gl520_group_temp2);
 exit_free:
 	kfree(data);
 exit:
@@ -809,15 +867,18 @@ static int gl520_remove(struct i2c_client *client)
 
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &gl520_group);
-	sysfs_remove_group(&client->dev.kobj, &gl520_group_opt);
+	sysfs_remove_group(&client->dev.kobj, &gl520_group_in4);
+	sysfs_remove_group(&client->dev.kobj, &gl520_group_temp2);
 
 	kfree(data);
 	return 0;
 }
 
 
-/* Registers 0x07 to 0x0c are word-sized, others are byte-sized
-   GL520 uses a high-byte first convention */
+/*
+ * Registers 0x07 to 0x0c are word-sized, others are byte-sized
+ * GL520 uses a high-byte first convention
+ */
 static int gl520_read_value(struct i2c_client *client, u8 reg)
 {
 	if ((reg >= 0x07) && (reg <= 0x0c))
@@ -849,7 +910,8 @@ static struct gl520_data *gl520_update_device(struct device *dev)
 
 		data->alarms = gl520_read_value(client, GL520_REG_ALARMS);
 		data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK);
-		data->vid = gl520_read_value(client, GL520_REG_VID_INPUT) & 0x1f;
+		data->vid = gl520_read_value(client,
+					     GL520_REG_VID_INPUT) & 0x1f;
 
 		for (i = 0; i < 4; i++) {
 			data->in_input[i] = gl520_read_value(client,
@@ -910,23 +972,10 @@ static struct gl520_data *gl520_update_device(struct device *dev)
 	return data;
 }
 
-
-static int __init sensors_gl520sm_init(void)
-{
-	return i2c_add_driver(&gl520_driver);
-}
-
-static void __exit sensors_gl520sm_exit(void)
-{
-	i2c_del_driver(&gl520_driver);
-}
-
+module_i2c_driver(gl520_driver);
 
 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
 	"Kyösti Mälkki <kmalkki@cc.hut.fi>, "
 	"Maarten Deprez <maartendeprez@users.sourceforge.net>");
 MODULE_DESCRIPTION("GL520SM driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_gl520sm_init);
-module_exit(sensors_gl520sm_exit);
diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c
index 932da8a5aaf4..9f26400713f0 100644
--- a/drivers/hwmon/hwmon-vid.c
+++ b/drivers/hwmon/hwmon-vid.c
@@ -40,7 +40,7 @@
  * available at http://developer.intel.com/.
  *
  * AMD Athlon 64 and AMD Opteron Processors, AMD Publication 26094,
- * http://support.amd.com/us/Processor_TechDocs/26094.PDF 
+ * http://support.amd.com/us/Processor_TechDocs/26094.PDF
  * Table 74. VID Code Voltages
  * This corresponds to an arbitrary VRM code of 24 in the functions below.
  * These CPU models (K8 revision <= E) have 5 VID pins. See also:
@@ -83,27 +83,27 @@ int vid_from_reg(int val, u8 vrm)
 {
 	int vid;
 
-	switch(vrm) {
+	switch (vrm) {
 
-	case 100:               /* VRD 10.0 */
+	case 100:		/* VRD 10.0 */
 		/* compute in uV, round to mV */
 		val &= 0x3f;
-		if((val & 0x1f) == 0x1f)
+		if ((val & 0x1f) == 0x1f)
 			return 0;
-		if((val & 0x1f) <= 0x09 || val == 0x0a)
+		if ((val & 0x1f) <= 0x09 || val == 0x0a)
 			vid = 1087500 - (val & 0x1f) * 25000;
 		else
 			vid = 1862500 - (val & 0x1f) * 25000;
-		if(val & 0x20)
+		if (val & 0x20)
 			vid -= 12500;
-		return((vid + 500) / 1000);
+		return (vid + 500) / 1000;
 
 	case 110:		/* Intel Conroe */
 				/* compute in uV, round to mV */
 		val &= 0xff;
 		if (val < 0x02 || val > 0xb2)
 			return 0;
-		return((1600000 - (val - 2) * 6250 + 500) / 1000);
+		return (1600000 - (val - 2) * 6250 + 500) / 1000;
 
 	case 24:		/* Athlon64 & Opteron */
 		val &= 0x1f;
@@ -118,38 +118,38 @@ int vid_from_reg(int val, u8 vrm)
 	case 91:		/* VRM 9.1 */
 	case 90:		/* VRM 9.0 */
 		val &= 0x1f;
-		return(val == 0x1f ? 0 :
-		                       1850 - val * 25);
+		return val == 0x1f ? 0 :
+				     1850 - val * 25;
 
 	case 85:		/* VRM 8.5 */
 		val &= 0x1f;
-		return((val & 0x10  ? 25 : 0) +
+		return (val & 0x10  ? 25 : 0) +
 		       ((val & 0x0f) > 0x04 ? 2050 : 1250) -
-		       ((val & 0x0f) * 50));
+		       ((val & 0x0f) * 50);
 
 	case 84:		/* VRM 8.4 */
 		val &= 0x0f;
 				/* fall through */
 	case 82:		/* VRM 8.2 */
 		val &= 0x1f;
-		return(val == 0x1f ? 0 :
+		return val == 0x1f ? 0 :
 		       val & 0x10  ? 5100 - (val) * 100 :
-		                     2050 - (val) * 50);
+				     2050 - (val) * 50;
 	case 17:		/* Intel IMVP-II */
 		val &= 0x1f;
-		return(val & 0x10 ? 975 - (val & 0xF) * 25 :
-				    1750 - val * 50);
+		return val & 0x10 ? 975 - (val & 0xF) * 25 :
+				    1750 - val * 50;
 	case 13:
 	case 131:
 		val &= 0x3f;
 		/* Exception for Eden ULV 500 MHz */
 		if (vrm == 131 && val == 0x3f)
 			val++;
-		return(1708 - val * 16);
+		return 1708 - val * 16;
 	case 14:		/* Intel Core */
 				/* compute in uV, round to mV */
 		val &= 0x7f;
-		return(val > 0x77 ? 0 : (1500000 - (val * 12500) + 500) / 1000);
+		return val > 0x77 ? 0 : (1500000 - (val * 12500) + 500) / 1000;
 	default:		/* report 0 for unknown */
 		if (vrm)
 			pr_warn("Requested unsupported VRM version (%u)\n",
@@ -157,7 +157,7 @@ int vid_from_reg(int val, u8 vrm)
 		return 0;
 	}
 }
-
+EXPORT_SYMBOL(vid_from_reg);
 
 /*
  * After this point is the code to automatically determine which
@@ -166,9 +166,10 @@ int vid_from_reg(int val, u8 vrm)
 
 struct vrm_model {
 	u8 vendor;
-	u8 eff_family;
-	u8 eff_model;
-	u8 eff_stepping;
+	u8 family;
+	u8 model_from;
+	u8 model_to;
+	u8 stepping_to;
 	u8 vrm_type;
 };
 
@@ -177,42 +178,52 @@ struct vrm_model {
 #ifdef CONFIG_X86
 
 /*
- * The stepping parameter is highest acceptable stepping for current line.
+ * The stepping_to parameter is highest acceptable stepping for current line.
  * The model match must be exact for 4-bit values. For model values 0x10
  * and above (extended model), all models below the parameter will match.
  */
 
 static struct vrm_model vrm_models[] = {
-	{X86_VENDOR_AMD, 0x6, ANY, ANY, 90},		/* Athlon Duron etc */
-	{X86_VENDOR_AMD, 0xF, 0x3F, ANY, 24},		/* Athlon 64, Opteron */
-	/* In theory, all NPT family 0Fh processors have 6 VID pins and should
-	   thus use vrm 25, however in practice not all mainboards route the
-	   6th VID pin because it is never needed. So we use the 5 VID pin
-	   variant (vrm 24) for the models which exist today. */
-	{X86_VENDOR_AMD, 0xF, 0x7F, ANY, 24},		/* NPT family 0Fh */
-	{X86_VENDOR_AMD, 0xF, ANY, ANY, 25},		/* future fam. 0Fh */
-	{X86_VENDOR_AMD, 0x10, ANY, ANY, 25},		/* NPT family 10h */
-
-	{X86_VENDOR_INTEL, 0x6, 0x9, ANY, 13},		/* Pentium M (130 nm) */
-	{X86_VENDOR_INTEL, 0x6, 0xB, ANY, 85},		/* Tualatin */
-	{X86_VENDOR_INTEL, 0x6, 0xD, ANY, 13},		/* Pentium M (90 nm) */
-	{X86_VENDOR_INTEL, 0x6, 0xE, ANY, 14},		/* Intel Core (65 nm) */
-	{X86_VENDOR_INTEL, 0x6, 0xF, ANY, 110},		/* Intel Conroe */
-	{X86_VENDOR_INTEL, 0x6, ANY, ANY, 82},		/* any P6 */
-	{X86_VENDOR_INTEL, 0xF, 0x0, ANY, 90},		/* P4 */
-	{X86_VENDOR_INTEL, 0xF, 0x1, ANY, 90},		/* P4 Willamette */
-	{X86_VENDOR_INTEL, 0xF, 0x2, ANY, 90},		/* P4 Northwood */
-	{X86_VENDOR_INTEL, 0xF, ANY, ANY, 100},		/* Prescott and above assume VRD 10 */
-
-	{X86_VENDOR_CENTAUR, 0x6, 0x7, ANY, 85},	/* Eden ESP/Ezra */
-	{X86_VENDOR_CENTAUR, 0x6, 0x8, 0x7, 85},	/* Ezra T */
-	{X86_VENDOR_CENTAUR, 0x6, 0x9, 0x7, 85},	/* Nehemiah */
-	{X86_VENDOR_CENTAUR, 0x6, 0x9, ANY, 17},	/* C3-M, Eden-N */
-	{X86_VENDOR_CENTAUR, 0x6, 0xA, 0x7, 0},		/* No information */
-	{X86_VENDOR_CENTAUR, 0x6, 0xA, ANY, 13},	/* C7-M, C7, Eden (Esther) */
-	{X86_VENDOR_CENTAUR, 0x6, 0xD, ANY, 134},	/* C7-D, C7-M, C7, Eden (Esther) */
-
-	{X86_VENDOR_UNKNOWN, ANY, ANY, ANY, 0}		/* stop here */
+	{X86_VENDOR_AMD, 0x6, 0x0, ANY, ANY, 90},	/* Athlon Duron etc */
+	{X86_VENDOR_AMD, 0xF, 0x0, 0x3F, ANY, 24},	/* Athlon 64, Opteron */
+	/*
+	 * In theory, all NPT family 0Fh processors have 6 VID pins and should
+	 * thus use vrm 25, however in practice not all mainboards route the
+	 * 6th VID pin because it is never needed. So we use the 5 VID pin
+	 * variant (vrm 24) for the models which exist today.
+	 */
+	{X86_VENDOR_AMD, 0xF, 0x40, 0x7F, ANY, 24},	/* NPT family 0Fh */
+	{X86_VENDOR_AMD, 0xF, 0x80, ANY, ANY, 25},	/* future fam. 0Fh */
+	{X86_VENDOR_AMD, 0x10, 0x0, ANY, ANY, 25},	/* NPT family 10h */
+
+	{X86_VENDOR_INTEL, 0x6, 0x0, 0x6, ANY, 82},	/* Pentium Pro,
+							 * Pentium II, Xeon,
+							 * Mobile Pentium,
+							 * Celeron */
+	{X86_VENDOR_INTEL, 0x6, 0x7, 0x7, ANY, 84},	/* Pentium III, Xeon */
+	{X86_VENDOR_INTEL, 0x6, 0x8, 0x8, ANY, 82},	/* Pentium III, Xeon */
+	{X86_VENDOR_INTEL, 0x6, 0x9, 0x9, ANY, 13},	/* Pentium M (130 nm) */
+	{X86_VENDOR_INTEL, 0x6, 0xA, 0xA, ANY, 82},	/* Pentium III Xeon */
+	{X86_VENDOR_INTEL, 0x6, 0xB, 0xB, ANY, 85},	/* Tualatin */
+	{X86_VENDOR_INTEL, 0x6, 0xD, 0xD, ANY, 13},	/* Pentium M (90 nm) */
+	{X86_VENDOR_INTEL, 0x6, 0xE, 0xE, ANY, 14},	/* Intel Core (65 nm) */
+	{X86_VENDOR_INTEL, 0x6, 0xF, ANY, ANY, 110},	/* Intel Conroe and
+							 * later */
+	{X86_VENDOR_INTEL, 0xF, 0x0, 0x0, ANY, 90},	/* P4 */
+	{X86_VENDOR_INTEL, 0xF, 0x1, 0x1, ANY, 90},	/* P4 Willamette */
+	{X86_VENDOR_INTEL, 0xF, 0x2, 0x2, ANY, 90},	/* P4 Northwood */
+	{X86_VENDOR_INTEL, 0xF, 0x3, ANY, ANY, 100},	/* Prescott and above
+							 * assume VRD 10 */
+
+	{X86_VENDOR_CENTAUR, 0x6, 0x7, 0x7, ANY, 85},	/* Eden ESP/Ezra */
+	{X86_VENDOR_CENTAUR, 0x6, 0x8, 0x8, 0x7, 85},	/* Ezra T */
+	{X86_VENDOR_CENTAUR, 0x6, 0x9, 0x9, 0x7, 85},	/* Nehemiah */
+	{X86_VENDOR_CENTAUR, 0x6, 0x9, 0x9, ANY, 17},	/* C3-M, Eden-N */
+	{X86_VENDOR_CENTAUR, 0x6, 0xA, 0xA, 0x7, 0},	/* No information */
+	{X86_VENDOR_CENTAUR, 0x6, 0xA, 0xA, ANY, 13},	/* C7-M, C7,
+							 * Eden (Esther) */
+	{X86_VENDOR_CENTAUR, 0x6, 0xD, 0xD, ANY, 134},	/* C7-D, C7-M, C7,
+							 * Eden (Esther) */
 };
 
 /*
@@ -248,20 +259,17 @@ static u8 get_via_model_d_vrm(void)
 	}
 }
 
-static u8 find_vrm(u8 eff_family, u8 eff_model, u8 eff_stepping, u8 vendor)
+static u8 find_vrm(u8 family, u8 model, u8 stepping, u8 vendor)
 {
-	int i = 0;
-
-	while (vrm_models[i].vendor!=X86_VENDOR_UNKNOWN) {
-		if (vrm_models[i].vendor==vendor)
-			if ((vrm_models[i].eff_family==eff_family)
-			 && ((vrm_models[i].eff_model==eff_model) ||
-			     (vrm_models[i].eff_model >= 0x10 &&
-			      eff_model <= vrm_models[i].eff_model) ||
-			     (vrm_models[i].eff_model==ANY)) &&
-			     (eff_stepping <= vrm_models[i].eff_stepping))
-				return vrm_models[i].vrm_type;
-		i++;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(vrm_models); i++) {
+		if (vendor == vrm_models[i].vendor &&
+		    family == vrm_models[i].family &&
+		    model >= vrm_models[i].model_from &&
+		    model <= vrm_models[i].model_to &&
+		    stepping <= vrm_models[i].stepping_to)
+			return vrm_models[i].vrm_type;
 	}
 
 	return 0;
@@ -270,21 +278,12 @@ static u8 find_vrm(u8 eff_family, u8 eff_model, u8 eff_stepping, u8 vendor)
 u8 vid_which_vrm(void)
 {
 	struct cpuinfo_x86 *c = &cpu_data(0);
-	u32 eax;
-	u8 eff_family, eff_model, eff_stepping, vrm_ret;
+	u8 vrm_ret;
 
 	if (c->x86 < 6)		/* Any CPU with family lower than 6 */
-		return 0;	/* doesn't have VID and/or CPUID */
-
-	eax = cpuid_eax(1);
-	eff_family = ((eax & 0x00000F00)>>8);
-	eff_model  = ((eax & 0x000000F0)>>4);
-	eff_stepping = eax & 0xF;
-	if (eff_family == 0xF) {	/* use extended model & family */
-		eff_family += ((eax & 0x00F00000)>>20);
-		eff_model += ((eax & 0x000F0000)>>16)<<4;
-	}
-	vrm_ret = find_vrm(eff_family, eff_model, eff_stepping, c->x86_vendor);
+		return 0;	/* doesn't have VID */
+
+	vrm_ret = find_vrm(c->x86, c->x86_model, c->x86_mask, c->x86_vendor);
 	if (vrm_ret == 134)
 		vrm_ret = get_via_model_d_vrm();
 	if (vrm_ret == 0)
@@ -300,8 +299,6 @@ u8 vid_which_vrm(void)
 	return 0;
 }
 #endif
-
-EXPORT_SYMBOL(vid_from_reg);
 EXPORT_SYMBOL(vid_which_vrm);
 
 MODULE_AUTHOR("Rudolf Marek <r.marek@assembler.cz>");
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 6460487e41b5..c3c471ca202f 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -1,14 +1,14 @@
 /*
-    hwmon.c - part of lm_sensors, Linux kernel modules for hardware monitoring
-
-    This file defines the sysfs class "hwmon", for use by sensors drivers.
-
-    Copyright (C) 2005 Mark M. Hoffman <mhoffman@lightlink.com>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; version 2 of the License.
-*/
+ * hwmon.c - part of lm_sensors, Linux kernel modules for hardware monitoring
+ *
+ * This file defines the sysfs class "hwmon", for use by sensors drivers.
+ *
+ * Copyright (C) 2005 Mark M. Hoffman <mhoffman@lightlink.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -55,6 +55,7 @@ struct device *hwmon_device_register(struct device *dev)
 
 	return hwdev;
 }
+EXPORT_SYMBOL_GPL(hwmon_device_register);
 
 /**
  * hwmon_device_unregister - removes the previously registered class device
@@ -72,6 +73,7 @@ void hwmon_device_unregister(struct device *dev)
 		dev_dbg(dev->parent,
 			"hwmon_device_unregister() failed: bad class ID!\n");
 }
+EXPORT_SYMBOL_GPL(hwmon_device_unregister);
 
 static void __init hwmon_pci_quirks(void)
 {
@@ -119,9 +121,6 @@ static void __exit hwmon_exit(void)
 subsys_initcall(hwmon_init);
 module_exit(hwmon_exit);
 
-EXPORT_SYMBOL_GPL(hwmon_device_register);
-EXPORT_SYMBOL_GPL(hwmon_device_unregister);
-
 MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>");
 MODULE_DESCRIPTION("hardware monitoring sysfs/class support");
 MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c
index d22f241b6a67..a18882cc073d 100644
--- a/drivers/hwmon/i5k_amb.c
+++ b/drivers/hwmon/i5k_amb.c
@@ -159,8 +159,12 @@ static ssize_t store_amb_min(struct device *dev,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i5k_amb_data *data = dev_get_drvdata(dev);
-	unsigned long temp = simple_strtoul(buf, NULL, 10) / 500;
+	unsigned long temp;
+	int ret = kstrtoul(buf, 10, &temp);
+	if (ret < 0)
+		return ret;
 
+	temp = temp / 500;
 	if (temp > 255)
 		temp = 255;
 
@@ -175,8 +179,12 @@ static ssize_t store_amb_mid(struct device *dev,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i5k_amb_data *data = dev_get_drvdata(dev);
-	unsigned long temp = simple_strtoul(buf, NULL, 10) / 500;
+	unsigned long temp;
+	int ret = kstrtoul(buf, 10, &temp);
+	if (ret < 0)
+		return ret;
 
+	temp = temp / 500;
 	if (temp > 255)
 		temp = 255;
 
@@ -191,8 +199,12 @@ static ssize_t store_amb_max(struct device *dev,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i5k_amb_data *data = dev_get_drvdata(dev);
-	unsigned long temp = simple_strtoul(buf, NULL, 10) / 500;
+	unsigned long temp;
+	int ret = kstrtoul(buf, 10, &temp);
+	if (ret < 0)
+		return ret;
 
+	temp = temp / 500;
 	if (temp > 255)
 		temp = 255;
 
diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
index cc2981f749a6..37f17e0d9d5d 100644
--- a/drivers/hwmon/ibmaem.c
+++ b/drivers/hwmon/ibmaem.c
@@ -1045,7 +1045,7 @@ static struct aem_ro_sensor_template aem2_ro_sensors[] = {
 {"power6_average",	  aem2_show_pcap_value,	POWER_CAP_MIN_WARNING},
 {"power7_average",	  aem2_show_pcap_value,	POWER_CAP_MIN},
 
-{"power3_average", 	  aem2_show_pcap_value,	POWER_AUX},
+{"power3_average",	  aem2_show_pcap_value,	POWER_AUX},
 {"power_cap",		  aem2_show_pcap_value,	POWER_CAP},
 {NULL,                    NULL,                 0},
 };
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 0054d6f9cec9..0b204e4cf51c 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -176,12 +176,16 @@ static bool fix_pwm_polarity;
 #define IT87_REG_ALARM2        0x02
 #define IT87_REG_ALARM3        0x03
 
-/* The IT8718F and IT8720F have the VID value in a different register, in
-   Super-I/O configuration space. */
+/*
+ * The IT8718F and IT8720F have the VID value in a different register, in
+ * Super-I/O configuration space.
+ */
 #define IT87_REG_VID           0x0a
-/* The IT8705F and IT8712F earlier than revision 0x08 use register 0x0b
-   for fan divisors. Later IT8712F revisions must use 16-bit tachometer
-   mode. */
+/*
+ * The IT8705F and IT8712F earlier than revision 0x08 use register 0x0b
+ * for fan divisors. Later IT8712F revisions must use 16-bit tachometer
+ * mode.
+ */
 #define IT87_REG_FAN_DIV       0x0b
 #define IT87_REG_FAN_16BIT     0x0c
 
@@ -227,8 +231,10 @@ struct it87_sio_data {
 	u8 skip_pwm;
 };
 
-/* For each registered chip, we need to keep some data in memory.
-   The structure is dynamically allocated. */
+/*
+ * For each registered chip, we need to keep some data in memory.
+ * The structure is dynamically allocated.
+ */
 struct it87_data {
 	struct device *hwmon_dev;
 	enum chips type;
@@ -259,14 +265,16 @@ struct it87_data {
 	u8 fan_main_ctrl;	/* Register value */
 	u8 fan_ctl;		/* Register value */
 
-	/* The following 3 arrays correspond to the same registers up to
+	/*
+	 * The following 3 arrays correspond to the same registers up to
 	 * the IT8720F. The meaning of bits 6-0 depends on the value of bit
 	 * 7, and we want to preserve settings on mode changes, so we have
 	 * to track all values separately.
 	 * Starting with the IT8721F, the manual PWM duty cycles are stored
 	 * in separate registers (8-bit values), so the separate tracking
 	 * is no longer needed, but it is still done to keep the driver
-	 * simple. */
+	 * simple.
+	 */
 	u8 pwm_ctrl[3];		/* Register value */
 	u8 pwm_duty[3];		/* Manual PWM value set by user */
 	u8 pwm_temp_map[3];	/* PWM to temp. chan. mapping (bits 1-0) */
@@ -388,9 +396,11 @@ static const unsigned int pwm_freq[8] = {
 
 static inline int has_16bit_fans(const struct it87_data *data)
 {
-	/* IT8705F Datasheet 0.4.1, 3h == Version G.
-	   IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J.
-	   These are the first revisions with 16bit tachometer support. */
+	/*
+	 * IT8705F Datasheet 0.4.1, 3h == Version G.
+	 * IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J.
+	 * These are the first revisions with 16-bit tachometer support.
+	 */
 	return (data->type == it87 && data->revision >= 0x03)
 	    || (data->type == it8712 && data->revision >= 0x08)
 	    || data->type == it8716
@@ -402,9 +412,11 @@ static inline int has_16bit_fans(const struct it87_data *data)
 
 static inline int has_old_autopwm(const struct it87_data *data)
 {
-	/* The old automatic fan speed control interface is implemented
-	   by IT8705F chips up to revision F and IT8712F chips up to
-	   revision G. */
+	/*
+	 * The old automatic fan speed control interface is implemented
+	 * by IT8705F chips up to revision F and IT8712F chips up to
+	 * revision G.
+	 */
 	return (data->type == it87 && data->revision < 0x03)
 	    || (data->type == it8712 && data->revision < 0x08);
 }
@@ -606,10 +618,8 @@ static ssize_t show_sensor(struct device *dev, struct device_attribute *attr,
 {
 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 	int nr = sensor_attr->index;
-
 	struct it87_data *data = it87_update_device(dev);
-	u8 reg = data->sensor;		/* In case the value is updated while
-					   we use it */
+	u8 reg = data->sensor;	    /* In case value is updated while used */
 
 	if (reg & (1 << nr))
 		return sprintf(buf, "3\n");  /* thermal diode */
@@ -894,8 +904,10 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 
 	mutex_lock(&data->update_lock);
 	if (has_newer_autopwm(data)) {
-		/* If we are in automatic mode, the PWM duty cycle register
-		 * is read-only so we can't write the value */
+		/*
+		 * If we are in automatic mode, the PWM duty cycle register
+		 * is read-only so we can't write the value.
+		 */
 		if (data->pwm_ctrl[nr] & 0x80) {
 			mutex_unlock(&data->update_lock);
 			return -EBUSY;
@@ -905,8 +917,10 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 				 data->pwm_duty[nr]);
 	} else {
 		data->pwm_duty[nr] = pwm_to_reg(data, val);
-		/* If we are in manual mode, write the duty cycle immediately;
-		 * otherwise, just store it for later use. */
+		/*
+		 * If we are in manual mode, write the duty cycle immediately;
+		 * otherwise, just store it for later use.
+		 */
 		if (!(data->pwm_ctrl[nr] & 0x80)) {
 			data->pwm_ctrl[nr] = data->pwm_duty[nr];
 			it87_write_value(data, IT87_REG_PWM(nr),
@@ -965,8 +979,10 @@ static ssize_t set_pwm_temp_map(struct device *dev,
 	long val;
 	u8 reg;
 
-	/* This check can go away if we ever support automatic fan speed
-	   control on newer chips. */
+	/*
+	 * This check can go away if we ever support automatic fan speed
+	 * control on newer chips.
+	 */
 	if (!has_old_autopwm(data)) {
 		dev_notice(dev, "Mapping change disabled for safety reasons\n");
 		return -EINVAL;
@@ -991,8 +1007,10 @@ static ssize_t set_pwm_temp_map(struct device *dev,
 
 	mutex_lock(&data->update_lock);
 	data->pwm_temp_map[nr] = reg;
-	/* If we are in automatic mode, write the temp mapping immediately;
-	 * otherwise, just store it for later use. */
+	/*
+	 * If we are in automatic mode, write the temp mapping immediately;
+	 * otherwise, just store it for later use.
+	 */
 	if (data->pwm_ctrl[nr] & 0x80) {
 		data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
 		it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
@@ -1162,9 +1180,11 @@ static ssize_t set_fan16_min(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-/* We want to use the same sysfs file names as 8-bit fans, but we need
-   different variable names, so we have to use SENSOR_ATTR instead of
-   SENSOR_DEVICE_ATTR. */
+/*
+ * We want to use the same sysfs file names as 8-bit fans, but we need
+ * different variable names, so we have to use SENSOR_ATTR instead of
+ * SENSOR_DEVICE_ATTR.
+ */
 #define show_fan16_offset(offset) \
 static struct sensor_device_attribute sensor_dev_attr_fan##offset##_input16 \
 	= SENSOR_ATTR(fan##offset##_input, S_IRUGO,		\
@@ -1321,12 +1341,12 @@ static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 static ssize_t show_label(struct device *dev, struct device_attribute *attr,
 		char *buf)
 {
-	static const char *labels[] = {
+	static const char * const labels[] = {
 		"+5V",
 		"5VSB",
 		"Vbat",
 	};
-	static const char *labels_it8721[] = {
+	static const char * const labels_it8721[] = {
 		"+3.3V",
 		"3VSB",
 		"Vbat",
@@ -1736,12 +1756,14 @@ static int __init it87_find(unsigned short *address,
 	if (board_vendor && board_name) {
 		if (strcmp(board_vendor, "nVIDIA") == 0
 		 && strcmp(board_name, "FN68PT") == 0) {
-			/* On the Shuttle SN68PT, FAN_CTL2 is apparently not
-			   connected to a fan, but to something else. One user
-			   has reported instant system power-off when changing
-			   the PWM2 duty cycle, so we disable it.
-			   I use the board name string as the trigger in case
-			   the same board is ever used in other systems. */
+			/*
+			 * On the Shuttle SN68PT, FAN_CTL2 is apparently not
+			 * connected to a fan, but to something else. One user
+			 * has reported instant system power-off when changing
+			 * the PWM2 duty cycle, so we disable it.
+			 * I use the board name string as the trigger in case
+			 * the same board is ever used in other systems.
+			 */
 			pr_info("Disabling pwm2 due to hardware constraints\n");
 			sio_data->skip_pwm = (1 << 1);
 		}
@@ -1793,7 +1815,7 @@ static int __devinit it87_probe(struct platform_device *pdev)
 	int err = 0, i;
 	int enable_pwm_interface;
 	int fan_beep_need_rw;
-	static const char *names[] = {
+	static const char * const names[] = {
 		"it87",
 		"it8712",
 		"it8716",
@@ -1879,9 +1901,11 @@ static int __devinit it87_probe(struct platform_device *pdev)
 			if (!fan_beep_need_rw)
 				continue;
 
-			/* As we have a single beep enable bit for all fans,
+			/*
+			 * As we have a single beep enable bit for all fans,
 			 * only the first enabled fan has a writable attribute
-			 * for it. */
+			 * for it.
+			 */
 			if (sysfs_chmod_file(&dev->kobj,
 					     it87_attributes_fan_beep[i],
 					     S_IRUGO | S_IWUSR))
@@ -1961,18 +1985,22 @@ static int __devexit it87_remove(struct platform_device *pdev)
 	return 0;
 }
 
-/* Must be called with data->update_lock held, except during initialization.
-   We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
-   would slow down the IT87 access and should not be necessary. */
+/*
+ * Must be called with data->update_lock held, except during initialization.
+ * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the IT87 access and should not be necessary.
+ */
 static int it87_read_value(struct it87_data *data, u8 reg)
 {
 	outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
 	return inb_p(data->addr + IT87_DATA_REG_OFFSET);
 }
 
-/* Must be called with data->update_lock held, except during initialization.
-   We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
-   would slow down the IT87 access and should not be necessary. */
+/*
+ * Must be called with data->update_lock held, except during initialization.
+ * We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the IT87 access and should not be necessary.
+ */
 static void it87_write_value(struct it87_data *data, u8 reg, u8 value)
 {
 	outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
@@ -1983,15 +2011,19 @@ static void it87_write_value(struct it87_data *data, u8 reg, u8 value)
 static int __devinit it87_check_pwm(struct device *dev)
 {
 	struct it87_data *data = dev_get_drvdata(dev);
-	/* Some BIOSes fail to correctly configure the IT87 fans. All fans off
+	/*
+	 * Some BIOSes fail to correctly configure the IT87 fans. All fans off
 	 * and polarity set to active low is sign that this is the case so we
-	 * disable pwm control to protect the user. */
+	 * disable pwm control to protect the user.
+	 */
 	int tmp = it87_read_value(data, IT87_REG_FAN_CTL);
 	if ((tmp & 0x87) == 0) {
 		if (fix_pwm_polarity) {
-			/* The user asks us to attempt a chip reconfiguration.
+			/*
+			 * The user asks us to attempt a chip reconfiguration.
 			 * This means switching to active high polarity and
-			 * inverting all fan speed values. */
+			 * inverting all fan speed values.
+			 */
 			int i;
 			u8 pwm[3];
 
@@ -1999,10 +2031,12 @@ static int __devinit it87_check_pwm(struct device *dev)
 				pwm[i] = it87_read_value(data,
 							 IT87_REG_PWM(i));
 
-			/* If any fan is in automatic pwm mode, the polarity
+			/*
+			 * If any fan is in automatic pwm mode, the polarity
 			 * might be correct, as suspicious as it seems, so we
 			 * better don't change anything (but still disable the
-			 * PWM interface). */
+			 * PWM interface).
+			 */
 			if (!((pwm[0] | pwm[1] | pwm[2]) & 0x80)) {
 				dev_info(dev, "Reconfiguring PWM to "
 					 "active high polarity\n");
@@ -2038,7 +2072,8 @@ static void __devinit it87_init_device(struct platform_device *pdev)
 	int tmp, i;
 	u8 mask;
 
-	/* For each PWM channel:
+	/*
+	 * For each PWM channel:
 	 * - If it is in automatic mode, setting to manual mode should set
 	 *   the fan to full speed by default.
 	 * - If it is in manual mode, we need a mapping to temperature
@@ -2048,18 +2083,21 @@ static void __devinit it87_init_device(struct platform_device *pdev)
 	 * prior to switching to a different mode.
 	 * Note that this is no longer needed for the IT8721F and later, as
 	 * these have separate registers for the temperature mapping and the
-	 * manual duty cycle. */
+	 * manual duty cycle.
+	 */
 	for (i = 0; i < 3; i++) {
 		data->pwm_temp_map[i] = i;
 		data->pwm_duty[i] = 0x7f;	/* Full speed */
 		data->auto_pwm[i][3] = 0x7f;	/* Full speed, hard-coded */
 	}
 
-	/* Some chips seem to have default value 0xff for all limit
+	/*
+	 * Some chips seem to have default value 0xff for all limit
 	 * registers. For low voltage limits it makes no sense and triggers
 	 * alarms, so change to 0 instead. For high temperature limits, it
 	 * means -1 degree C, which surprisingly doesn't trigger an alarm,
-	 * but is still confusing, so change to 127 degrees C. */
+	 * but is still confusing, so change to 127 degrees C.
+	 */
 	for (i = 0; i < 8; i++) {
 		tmp = it87_read_value(data, IT87_REG_VIN_MIN(i));
 		if (tmp == 0xff)
@@ -2071,10 +2109,12 @@ static void __devinit it87_init_device(struct platform_device *pdev)
 			it87_write_value(data, IT87_REG_TEMP_HIGH(i), 127);
 	}
 
-	/* Temperature channels are not forcibly enabled, as they can be
+	/*
+	 * Temperature channels are not forcibly enabled, as they can be
 	 * set to two different sensor types and we can't guess which one
 	 * is correct for a given system. These channels can be enabled at
-	 * run-time through the temp{1-3}_type sysfs accessors if needed. */
+	 * run-time through the temp{1-3}_type sysfs accessors if needed.
+	 */
 
 	/* Check if voltage monitors are reset manually or by some reason */
 	tmp = it87_read_value(data, IT87_REG_VIN_ENABLE);
@@ -2157,8 +2197,10 @@ static struct it87_data *it87_update_device(struct device *dev)
 	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
 	    || !data->valid) {
 		if (update_vbat) {
-			/* Cleared after each update, so reenable.  Value
-			   returned by this read will be previous value */
+			/*
+			 * Cleared after each update, so reenable.  Value
+			 * returned by this read will be previous value
+			 */
 			it87_write_value(data, IT87_REG_CONFIG,
 				it87_read_value(data, IT87_REG_CONFIG) | 0x40);
 		}
@@ -2220,13 +2262,17 @@ static struct it87_data *it87_update_device(struct device *dev)
 			it87_update_pwm_ctrl(data, i);
 
 		data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE);
-		/* The 8705 does not have VID capability.
-		   The 8718 and later don't use IT87_REG_VID for the
-		   same purpose. */
+		/*
+		 * The IT8705F does not have VID capability.
+		 * The IT8718F and later don't use IT87_REG_VID for the
+		 * same purpose.
+		 */
 		if (data->type == it8712 || data->type == it8716) {
 			data->vid = it87_read_value(data, IT87_REG_VID);
-			/* The older IT8712F revisions had only 5 VID pins,
-			   but we assume it is always safe to read 6 bits. */
+			/*
+			 * The older IT8712F revisions had only 5 VID pins,
+			 * but we assume it is always safe to read 6 bits.
+			 */
 			data->vid &= 0x3f;
 		}
 		data->last_updated = jiffies;
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
index b927ee5ccdd7..a9bfd6736d9a 100644
--- a/drivers/hwmon/jc42.c
+++ b/drivers/hwmon/jc42.c
@@ -180,25 +180,7 @@ static int jc42_remove(struct i2c_client *client);
 static struct jc42_data *jc42_update_device(struct device *dev);
 
 static const struct i2c_device_id jc42_id[] = {
-	{ "adt7408", 0 },
-	{ "at30ts00", 0 },
-	{ "cat94ts02", 0 },
-	{ "cat6095", 0 },
 	{ "jc42", 0 },
-	{ "max6604", 0 },
-	{ "mcp9804", 0 },
-	{ "mcp9805", 0 },
-	{ "mcp98242", 0 },
-	{ "mcp98243", 0 },
-	{ "mcp9843", 0 },
-	{ "se97", 0 },
-	{ "se97b", 0 },
-	{ "se98", 0 },
-	{ "stts424", 0 },
-	{ "stts2002", 0 },
-	{ "stts3000", 0 },
-	{ "tse2002", 0 },
-	{ "ts3000", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, jc42_id);
@@ -350,8 +332,10 @@ set(temp_min, JC42_REG_TEMP_LOWER);
 set(temp_max, JC42_REG_TEMP_UPPER);
 set(temp_crit, JC42_REG_TEMP_CRITICAL);
 
-/* JC42.4 compliant chips only support four hysteresis values.
- * Pick best choice and go from there. */
+/*
+ * JC42.4 compliant chips only support four hysteresis values.
+ * Pick best choice and go from there.
+ */
 static ssize_t set_temp_crit_hyst(struct device *dev,
 				  struct device_attribute *attr,
 				  const char *buf, size_t count)
@@ -467,20 +451,19 @@ static const struct attribute_group jc42_group = {
 };
 
 /* Return 0 if detection is successful, -ENODEV otherwise */
-static int jc42_detect(struct i2c_client *new_client,
-		       struct i2c_board_info *info)
+static int jc42_detect(struct i2c_client *client, struct i2c_board_info *info)
 {
-	struct i2c_adapter *adapter = new_client->adapter;
+	struct i2c_adapter *adapter = client->adapter;
 	int i, config, cap, manid, devid;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
 				     I2C_FUNC_SMBUS_WORD_DATA))
 		return -ENODEV;
 
-	cap = i2c_smbus_read_word_swapped(new_client, JC42_REG_CAP);
-	config = i2c_smbus_read_word_swapped(new_client, JC42_REG_CONFIG);
-	manid = i2c_smbus_read_word_swapped(new_client, JC42_REG_MANID);
-	devid = i2c_smbus_read_word_swapped(new_client, JC42_REG_DEVICEID);
+	cap = i2c_smbus_read_word_swapped(client, JC42_REG_CAP);
+	config = i2c_smbus_read_word_swapped(client, JC42_REG_CONFIG);
+	manid = i2c_smbus_read_word_swapped(client, JC42_REG_MANID);
+	devid = i2c_smbus_read_word_swapped(client, JC42_REG_DEVICEID);
 
 	if (cap < 0 || config < 0 || manid < 0 || devid < 0)
 		return -ENODEV;
@@ -499,47 +482,42 @@ static int jc42_detect(struct i2c_client *new_client,
 	return -ENODEV;
 }
 
-static int jc42_probe(struct i2c_client *new_client,
-		      const struct i2c_device_id *id)
+static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id)
 {
 	struct jc42_data *data;
 	int config, cap, err;
+	struct device *dev = &client->dev;
 
-	data = kzalloc(sizeof(struct jc42_data), GFP_KERNEL);
-	if (!data) {
-		err = -ENOMEM;
-		goto exit;
-	}
+	data = devm_kzalloc(dev, sizeof(struct jc42_data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
 
-	i2c_set_clientdata(new_client, data);
+	i2c_set_clientdata(client, data);
 	mutex_init(&data->update_lock);
 
-	cap = i2c_smbus_read_word_swapped(new_client, JC42_REG_CAP);
-	if (cap < 0) {
-		err = -EINVAL;
-		goto exit_free;
-	}
+	cap = i2c_smbus_read_word_swapped(client, JC42_REG_CAP);
+	if (cap < 0)
+		return cap;
+
 	data->extended = !!(cap & JC42_CAP_RANGE);
 
-	config = i2c_smbus_read_word_swapped(new_client, JC42_REG_CONFIG);
-	if (config < 0) {
-		err = -EINVAL;
-		goto exit_free;
-	}
+	config = i2c_smbus_read_word_swapped(client, JC42_REG_CONFIG);
+	if (config < 0)
+		return config;
+
 	data->orig_config = config;
 	if (config & JC42_CFG_SHUTDOWN) {
 		config &= ~JC42_CFG_SHUTDOWN;
-		i2c_smbus_write_word_swapped(new_client, JC42_REG_CONFIG,
-					     config);
+		i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, config);
 	}
 	data->config = config;
 
 	/* Register sysfs hooks */
-	err = sysfs_create_group(&new_client->dev.kobj, &jc42_group);
+	err = sysfs_create_group(&dev->kobj, &jc42_group);
 	if (err)
-		goto exit_free;
+		return err;
 
-	data->hwmon_dev = hwmon_device_register(&new_client->dev);
+	data->hwmon_dev = hwmon_device_register(dev);
 	if (IS_ERR(data->hwmon_dev)) {
 		err = PTR_ERR(data->hwmon_dev);
 		goto exit_remove;
@@ -548,10 +526,7 @@ static int jc42_probe(struct i2c_client *new_client,
 	return 0;
 
 exit_remove:
-	sysfs_remove_group(&new_client->dev.kobj, &jc42_group);
-exit_free:
-	kfree(data);
-exit:
+	sysfs_remove_group(&dev->kobj, &jc42_group);
 	return err;
 }
 
@@ -563,7 +538,6 @@ static int jc42_remove(struct i2c_client *client)
 	if (data->config != data->orig_config)
 		i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG,
 					     data->orig_config);
-	kfree(data);
 	return 0;
 }
 
@@ -614,19 +588,8 @@ abort:
 	return ret;
 }
 
-static int __init sensors_jc42_init(void)
-{
-	return i2c_add_driver(&jc42_driver);
-}
-
-static void __exit sensors_jc42_exit(void)
-{
-	i2c_del_driver(&jc42_driver);
-}
+module_i2c_driver(jc42_driver);
 
 MODULE_AUTHOR("Guenter Roeck <guenter.roeck@ericsson.com>");
 MODULE_DESCRIPTION("JC42 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_jc42_init);
-module_exit(sensors_jc42_exit);
diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c
index 41aa6a319870..aba29d63f195 100644
--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -205,7 +205,7 @@ static void __devexit k10temp_remove(struct pci_dev *pdev)
 	pci_set_drvdata(pdev, NULL);
 }
 
-static const struct pci_device_id k10temp_id_table[] = {
+static DEFINE_PCI_DEVICE_TABLE(k10temp_id_table) = {
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_11H_NB_MISC) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CNB17H_F3) },
diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c
index b923bc2307ad..575101988751 100644
--- a/drivers/hwmon/k8temp.c
+++ b/drivers/hwmon/k8temp.c
@@ -46,7 +46,7 @@ struct k8temp_data {
 	unsigned long last_updated;	/* in jiffies */
 
 	/* registers values */
-	u8 sensorsp;		/* sensor presence bits - SEL_CORE & SEL_PLACE */
+	u8 sensorsp;		/* sensor presence bits - SEL_CORE, SEL_PLACE */
 	u32 temp[2][2];		/* core, place */
 	u8 swap_core_select;    /* meaning of SEL_CORE is inverted */
 	u32 temp_offset;
@@ -63,7 +63,7 @@ static struct k8temp_data *k8temp_update_device(struct device *dev)
 	if (!data->valid
 	    || time_after(jiffies, data->last_updated + HZ)) {
 		pci_read_config_byte(pdev, REG_TEMP, &tmp);
-		tmp &= ~(SEL_PLACE | SEL_CORE);		/* Select sensor 0, core0 */
+		tmp &= ~(SEL_PLACE | SEL_CORE);	/* Select sensor 0, core0 */
 		pci_write_config_byte(pdev, REG_TEMP, tmp);
 		pci_read_config_dword(pdev, REG_TEMP, &data->temp[0][0]);
 
@@ -82,7 +82,7 @@ static struct k8temp_data *k8temp_update_device(struct device *dev)
 					      &data->temp[1][0]);
 
 			if (data->sensorsp & SEL_PLACE) {
-				tmp |= SEL_PLACE;	/* Select sensor 1, core1 */
+				tmp |= SEL_PLACE; /* Select sensor 1, core1 */
 				pci_write_config_byte(pdev, REG_TEMP, tmp);
 				pci_read_config_dword(pdev, REG_TEMP,
 						      &data->temp[1][1]);
@@ -136,7 +136,7 @@ static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 1, 0);
 static SENSOR_DEVICE_ATTR_2(temp4_input, S_IRUGO, show_temp, NULL, 1, 1);
 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
 
-static const struct pci_device_id k8temp_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(k8temp_ids) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_K8_NB_MISC) },
 	{ 0 },
 };
@@ -183,7 +183,8 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
 	u8 model, stepping;
 	struct k8temp_data *data;
 
-	if (!(data = kzalloc(sizeof(struct k8temp_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct k8temp_data), GFP_KERNEL);
+	if (!data) {
 		err = -ENOMEM;
 		goto exit;
 	}
@@ -217,7 +218,7 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
 		data->temp_offset = 21000;
 
 	pci_read_config_byte(pdev, REG_TEMP, &scfg);
-	scfg &= ~(SEL_PLACE | SEL_CORE);		/* Select sensor 0, core0 */
+	scfg &= ~(SEL_PLACE | SEL_CORE);	/* Select sensor 0, core0 */
 	pci_write_config_byte(pdev, REG_TEMP, scfg);
 	pci_read_config_byte(pdev, REG_TEMP, &scfg);
 
@@ -238,7 +239,7 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
 		pci_write_config_byte(pdev, REG_TEMP, scfg);
 		pci_read_config_dword(pdev, REG_TEMP, &temp);
 		scfg |= SEL_CORE;	/* prepare for next selection */
-		if (!((temp >> 16) & 0xff))	/* if temp is 0 -49C is not likely */
+		if (!((temp >> 16) & 0xff)) /* if temp is 0 -49C is unlikely */
 			data->sensorsp &= ~SEL_PLACE;
 	}
 
@@ -246,7 +247,7 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
 		scfg &= ~SEL_PLACE;	/* Select sensor 0, core1 */
 		pci_write_config_byte(pdev, REG_TEMP, scfg);
 		pci_read_config_dword(pdev, REG_TEMP, &temp);
-		if (!((temp >> 16) & 0xff))	/* if temp is 0 -49C is not likely */
+		if (!((temp >> 16) & 0xff)) /* if temp is 0 -49C is unlikely */
 			data->sensorsp &= ~SEL_CORE;
 	}
 
diff --git a/drivers/hwmon/lineage-pem.c b/drivers/hwmon/lineage-pem.c
index 58eded27f385..d264937c7f5e 100644
--- a/drivers/hwmon/lineage-pem.c
+++ b/drivers/hwmon/lineage-pem.c
@@ -448,7 +448,7 @@ static int pem_probe(struct i2c_client *client,
 				     | I2C_FUNC_SMBUS_WRITE_BYTE))
 		return -ENODEV;
 
-	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 
@@ -462,11 +462,11 @@ static int pem_probe(struct i2c_client *client,
 	ret = pem_read_block(client, PEM_READ_FIRMWARE_REV,
 			     data->firmware_rev, sizeof(data->firmware_rev));
 	if (ret < 0)
-		goto out_kfree;
+		return ret;
 
 	ret = i2c_smbus_write_byte(client, PEM_CLEAR_INFO_FLAGS);
 	if (ret < 0)
-		goto out_kfree;
+		return ret;
 
 	dev_info(&client->dev, "Firmware revision %d.%d.%d\n",
 		 data->firmware_rev[0], data->firmware_rev[1],
@@ -475,7 +475,7 @@ static int pem_probe(struct i2c_client *client,
 	/* Register sysfs hooks */
 	ret = sysfs_create_group(&client->dev.kobj, &pem_group);
 	if (ret)
-		goto out_kfree;
+		return ret;
 
 	/*
 	 * Check if input readings are supported.
@@ -534,8 +534,6 @@ out_remove_groups:
 	sysfs_remove_group(&client->dev.kobj, &pem_input_group);
 	sysfs_remove_group(&client->dev.kobj, &pem_fan_group);
 	sysfs_remove_group(&client->dev.kobj, &pem_group);
-out_kfree:
-	kfree(data);
 	return ret;
 }
 
@@ -549,7 +547,6 @@ static int pem_remove(struct i2c_client *client)
 	sysfs_remove_group(&client->dev.kobj, &pem_fan_group);
 	sysfs_remove_group(&client->dev.kobj, &pem_group);
 
-	kfree(data);
 	return 0;
 }
 
@@ -568,19 +565,8 @@ static struct i2c_driver pem_driver = {
 	.id_table = pem_id,
 };
 
-static int __init pem_init(void)
-{
-	return i2c_add_driver(&pem_driver);
-}
-
-static void __exit pem_exit(void)
-{
-	i2c_del_driver(&pem_driver);
-}
+module_i2c_driver(pem_driver);
 
 MODULE_AUTHOR("Guenter Roeck <guenter.roeck@ericsson.com>");
 MODULE_DESCRIPTION("Lineage CPL PEM hardware monitoring driver");
 MODULE_LICENSE("GPL");
-
-module_init(pem_init);
-module_exit(pem_exit);
diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
index 5e6457a6644d..15c05cc83e2c 100644
--- a/drivers/hwmon/lm63.c
+++ b/drivers/hwmon/lm63.c
@@ -1119,19 +1119,8 @@ static struct lm63_data *lm63_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_lm63_init(void)
-{
-	return i2c_add_driver(&lm63_driver);
-}
-
-static void __exit sensors_lm63_exit(void)
-{
-	i2c_del_driver(&lm63_driver);
-}
+module_i2c_driver(lm63_driver);
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("LM63 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_lm63_init);
-module_exit(sensors_lm63_exit);
diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c
index c274ea25d899..472f79521a96 100644
--- a/drivers/hwmon/lm70.c
+++ b/drivers/hwmon/lm70.c
@@ -57,7 +57,7 @@ static ssize_t lm70_sense_temp(struct device *dev,
 	struct spi_device *spi = to_spi_device(dev);
 	int status, val = 0;
 	u8 rxbuf[2];
-	s16 raw=0;
+	s16 raw = 0;
 	struct lm70 *p_lm70 = spi_get_drvdata(spi);
 
 	if (mutex_lock_interruptible(&p_lm70->lock))
@@ -156,6 +156,15 @@ static int __devinit lm70_probe(struct spi_device *spi)
 	mutex_init(&p_lm70->lock);
 	p_lm70->chip = chip;
 
+	spi_set_drvdata(spi, p_lm70);
+
+	status = device_create_file(&spi->dev, &dev_attr_temp1_input);
+	if (status)
+		goto out_dev_create_temp_file_failed;
+	status = device_create_file(&spi->dev, &dev_attr_name);
+	if (status)
+		goto out_dev_create_file_failed;
+
 	/* sysfs hook */
 	p_lm70->hwmon_dev = hwmon_device_register(&spi->dev);
 	if (IS_ERR(p_lm70->hwmon_dev)) {
@@ -163,20 +172,14 @@ static int __devinit lm70_probe(struct spi_device *spi)
 		status = PTR_ERR(p_lm70->hwmon_dev);
 		goto out_dev_reg_failed;
 	}
-	spi_set_drvdata(spi, p_lm70);
-
-	if ((status = device_create_file(&spi->dev, &dev_attr_temp1_input))
-	 || (status = device_create_file(&spi->dev, &dev_attr_name))) {
-		dev_dbg(&spi->dev, "device_create_file failure.\n");
-		goto out_dev_create_file_failed;
-	}
 
 	return 0;
 
+out_dev_reg_failed:
+	device_remove_file(&spi->dev, &dev_attr_name);
 out_dev_create_file_failed:
 	device_remove_file(&spi->dev, &dev_attr_temp1_input);
-	hwmon_device_unregister(p_lm70->hwmon_dev);
-out_dev_reg_failed:
+out_dev_create_temp_file_failed:
 	spi_set_drvdata(spi, NULL);
 	kfree(p_lm70);
 	return status;
@@ -186,9 +189,9 @@ static int __devexit lm70_remove(struct spi_device *spi)
 {
 	struct lm70 *p_lm70 = spi_get_drvdata(spi);
 
+	hwmon_device_unregister(p_lm70->hwmon_dev);
 	device_remove_file(&spi->dev, &dev_attr_temp1_input);
 	device_remove_file(&spi->dev, &dev_attr_name);
-	hwmon_device_unregister(p_lm70->hwmon_dev);
 	spi_set_drvdata(spi, NULL);
 	kfree(p_lm70);
 
@@ -213,18 +216,7 @@ static struct spi_driver lm70_driver = {
 	.remove	= __devexit_p(lm70_remove),
 };
 
-static int __init init_lm70(void)
-{
-	return spi_register_driver(&lm70_driver);
-}
-
-static void __exit cleanup_lm70(void)
-{
-	spi_unregister_driver(&lm70_driver);
-}
-
-module_init(init_lm70);
-module_exit(cleanup_lm70);
+module_spi_driver(lm70_driver);
 
 MODULE_AUTHOR("Kaiwan N Billimoria");
 MODULE_DESCRIPTION("NS LM70 / TI TMP121/TMP123 Linux driver");
diff --git a/drivers/hwmon/lm73.c b/drivers/hwmon/lm73.c
index 9c8093c4b307..8fa2632cbbaf 100644
--- a/drivers/hwmon/lm73.c
+++ b/drivers/hwmon/lm73.c
@@ -194,21 +194,8 @@ static struct i2c_driver lm73_driver = {
 	.address_list	= normal_i2c,
 };
 
-/* module glue */
-
-static int __init sensors_lm73_init(void)
-{
-	return i2c_add_driver(&lm73_driver);
-}
-
-static void __exit sensors_lm73_exit(void)
-{
-	i2c_del_driver(&lm73_driver);
-}
+module_i2c_driver(lm73_driver);
 
 MODULE_AUTHOR("Guillaume Ligneul <guillaume.ligneul@gmail.com>");
 MODULE_DESCRIPTION("LM73 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_lm73_init);
-module_exit(sensors_lm73_exit);
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index b3311b1d3d92..a83f206af244 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -438,23 +438,8 @@ abort:
 	return ret;
 }
 
-/*-----------------------------------------------------------------------*/
-
-/* module glue */
-
-static int __init sensors_lm75_init(void)
-{
-	return i2c_add_driver(&lm75_driver);
-}
-
-static void __exit sensors_lm75_exit(void)
-{
-	i2c_del_driver(&lm75_driver);
-}
+module_i2c_driver(lm75_driver);
 
 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>");
 MODULE_DESCRIPTION("LM75 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_lm75_init);
-module_exit(sensors_lm75_exit);
diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c
index 8dfc6782d596..0fca8613e7d8 100644
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -1,29 +1,29 @@
 /*
-    lm77.c - Part of lm_sensors, Linux kernel modules for hardware
-             monitoring
-
-    Copyright (c) 2004  Andras BALI <drewie@freemail.hu>
-
-    Heavily based on lm75.c by Frodo Looijaard <frodol@dds.nl>.  The LM77
-    is a temperature sensor and thermal window comparator with 0.5 deg
-    resolution made by National Semiconductor.  Complete datasheet can be
-    obtained at their site:
-       http://www.national.com/pf/LM/LM77.html
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * lm77.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	    monitoring
+ *
+ * Copyright (c) 2004  Andras BALI <drewie@freemail.hu>
+ *
+ * Heavily based on lm75.c by Frodo Looijaard <frodol@dds.nl>.  The LM77
+ * is a temperature sensor and thermal window comparator with 0.5 deg
+ * resolution made by National Semiconductor.  Complete datasheet can be
+ * obtained at their site:
+ *	http://www.national.com/pf/LM/LM77.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -49,7 +49,7 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
 
 /* Each client has this additional data */
 struct lm77_data {
-	struct device 		*hwmon_dev;
+	struct device		*hwmon_dev;
 	struct mutex		update_lock;
 	char			valid;
 	unsigned long		last_updated;	/* In jiffies */
@@ -95,8 +95,10 @@ static struct i2c_driver lm77_driver = {
 #define LM77_TEMP_MIN (-55000)
 #define LM77_TEMP_MAX 125000
 
-/* In the temperature registers, the low 3 bits are not part of the
-   temperature values; they are the status bits. */
+/*
+ * In the temperature registers, the low 3 bits are not part of the
+ * temperature values; they are the status bits.
+ */
 static inline s16 LM77_TEMP_TO_REG(int temp)
 {
 	int ntemp = SENSORS_LIMIT(temp, LM77_TEMP_MIN, LM77_TEMP_MAX);
@@ -112,7 +114,9 @@ static inline int LM77_TEMP_FROM_REG(s16 reg)
 
 /* read routines for temperature limits */
 #define show(value)	\
-static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf)	\
+static ssize_t show_##value(struct device *dev,			\
+			    struct device_attribute *attr,	\
+			    char *buf)				\
 {								\
 	struct lm77_data *data = lm77_update_device(dev);	\
 	return sprintf(buf, "%d\n", data->value);		\
@@ -124,17 +128,20 @@ show(temp_min);
 show(temp_max);
 
 /* read routines for hysteresis values */
-static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_crit_hyst(struct device *dev,
+				   struct device_attribute *attr, char *buf)
 {
 	struct lm77_data *data = lm77_update_device(dev);
 	return sprintf(buf, "%d\n", data->temp_crit - data->temp_hyst);
 }
-static ssize_t show_temp_min_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_min_hyst(struct device *dev,
+				  struct device_attribute *attr, char *buf)
 {
 	struct lm77_data *data = lm77_update_device(dev);
 	return sprintf(buf, "%d\n", data->temp_min + data->temp_hyst);
 }
-static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_max_hyst(struct device *dev,
+				  struct device_attribute *attr, char *buf)
 {
 	struct lm77_data *data = lm77_update_device(dev);
 	return sprintf(buf, "%d\n", data->temp_max - data->temp_hyst);
@@ -142,29 +149,42 @@ static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute *a
 
 /* write routines */
 #define set(value, reg)	\
-static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)	\
-{										\
-	struct i2c_client *client = to_i2c_client(dev);				\
-	struct lm77_data *data = i2c_get_clientdata(client);			\
-	long val = simple_strtol(buf, NULL, 10);				\
-										\
-	mutex_lock(&data->update_lock);						\
-	data->value = val;				\
-	lm77_write_value(client, reg, LM77_TEMP_TO_REG(data->value));		\
-	mutex_unlock(&data->update_lock);					\
-	return count;								\
+static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \
+			   const char *buf, size_t count)		\
+{									\
+	struct i2c_client *client = to_i2c_client(dev);			\
+	struct lm77_data *data = i2c_get_clientdata(client);		\
+	long val;							\
+	int err = kstrtol(buf, 10, &val);				\
+	if (err)							\
+		return err;						\
+									\
+	mutex_lock(&data->update_lock);					\
+	data->value = val;						\
+	lm77_write_value(client, reg, LM77_TEMP_TO_REG(data->value));	\
+	mutex_unlock(&data->update_lock);				\
+	return count;							\
 }
 
 set(temp_min, LM77_REG_TEMP_MIN);
 set(temp_max, LM77_REG_TEMP_MAX);
 
-/* hysteresis is stored as a relative value on the chip, so it has to be
-   converted first */
-static ssize_t set_temp_crit_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+/*
+ * hysteresis is stored as a relative value on the chip, so it has to be
+ * converted first
+ */
+static ssize_t set_temp_crit_hyst(struct device *dev,
+				  struct device_attribute *attr,
+				  const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm77_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_hyst = data->temp_crit - val;
@@ -175,13 +195,19 @@ static ssize_t set_temp_crit_hyst(struct device *dev, struct device_attribute *a
 }
 
 /* preserve hysteresis when setting T_crit */
-static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
+			     const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm77_data *data = i2c_get_clientdata(client);
-	long val = simple_strtoul(buf, NULL, 10);
 	int oldcrithyst;
-	
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
 	mutex_lock(&data->update_lock);
 	oldcrithyst = data->temp_crit - data->temp_hyst;
 	data->temp_crit = val;
@@ -251,17 +277,19 @@ static int lm77_detect(struct i2c_client *new_client,
 				     I2C_FUNC_SMBUS_WORD_DATA))
 		return -ENODEV;
 
-	/* Here comes the remaining detection.  Since the LM77 has no
-	   register dedicated to identification, we have to rely on the
-	   following tricks:
-
-	   1. the high 4 bits represent the sign and thus they should
-	      always be the same
-	   2. the high 3 bits are unused in the configuration register
-	   3. addresses 0x06 and 0x07 return the last read value
-	   4. registers cycling over 8-address boundaries
-
-	   Word-sized registers are high-byte first. */
+	/*
+	 * Here comes the remaining detection.  Since the LM77 has no
+	 * register dedicated to identification, we have to rely on the
+	 * following tricks:
+	 *
+	 * 1. the high 4 bits represent the sign and thus they should
+	 *    always be the same
+	 * 2. the high 3 bits are unused in the configuration register
+	 * 3. addresses 0x06 and 0x07 return the last read value
+	 * 4. registers cycling over 8-address boundaries
+	 *
+	 * Word-sized registers are high-byte first.
+	 */
 
 	/* addresses cycling */
 	cur = i2c_smbus_read_word_data(new_client, 0);
@@ -330,7 +358,8 @@ static int lm77_probe(struct i2c_client *new_client,
 	lm77_init_client(new_client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&new_client->dev.kobj, &lm77_group)))
+	err = sysfs_create_group(&new_client->dev.kobj, &lm77_group);
+	if (err)
 		goto exit_free;
 
 	data->hwmon_dev = hwmon_device_register(&new_client->dev);
@@ -358,8 +387,10 @@ static int lm77_remove(struct i2c_client *client)
 	return 0;
 }
 
-/* All registers are word-sized, except for the configuration register.
-   The LM77 uses the high-byte first convention. */
+/*
+ * All registers are word-sized, except for the configuration register.
+ * The LM77 uses the high-byte first convention.
+ */
 static u16 lm77_read_value(struct i2c_client *client, u8 reg)
 {
 	if (reg == LM77_REG_CONF)
@@ -420,19 +451,8 @@ static struct lm77_data *lm77_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_lm77_init(void)
-{
-	return i2c_add_driver(&lm77_driver);
-}
-
-static void __exit sensors_lm77_exit(void)
-{
-	i2c_del_driver(&lm77_driver);
-}
+module_i2c_driver(lm77_driver);
 
 MODULE_AUTHOR("Andras BALI <drewie@freemail.hu>");
 MODULE_DESCRIPTION("LM77 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_lm77_init);
-module_exit(sensors_lm77_exit);
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index 6df0b4681710..f6bc414e1e91 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -1,23 +1,23 @@
 /*
-    lm78.c - Part of lm_sensors, Linux kernel modules for hardware
-             monitoring
-    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl> 
-    Copyright (c) 2007, 2011  Jean Delvare <khali@linux-fr.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * lm78.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	    monitoring
+ * Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
+ * Copyright (c) 2007, 2011  Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -74,11 +74,15 @@ enum chips { lm78, lm79 };
 #define LM78_REG_I2C_ADDR 0x48
 
 
-/* Conversions. Rounding and limit checking is only done on the TO_REG 
-   variants. */
+/*
+ * Conversions. Rounding and limit checking is only done on the TO_REG
+ * variants.
+ */
 
-/* IN: mV, (0V to 4.08V)
-   REG: 16mV/bit */
+/*
+ * IN: mV (0V to 4.08V)
+ * REG: 16mV/bit
+ */
 static inline u8 IN_TO_REG(unsigned long val)
 {
 	unsigned long nval = SENSORS_LIMIT(val, 0, 4080);
@@ -95,15 +99,17 @@ static inline u8 FAN_TO_REG(long rpm, int div)
 
 static inline int FAN_FROM_REG(u8 val, int div)
 {
-	return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div);
+	return val == 0 ? -1 : val == 255 ? 0 : 1350000 / (val * div);
 }
 
-/* TEMP: mC (-128C to +127C)
-   REG: 1C/bit, two's complement */
+/*
+ * TEMP: mC (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
 static inline s8 TEMP_TO_REG(int val)
 {
 	int nval = SENSORS_LIMIT(val, -128000, 127000) ;
-	return nval<0 ? (nval-500)/1000 : (nval+500)/1000;
+	return nval < 0 ? (nval - 500) / 1000 : (nval + 500) / 1000;
 }
 
 static inline int TEMP_FROM_REG(s8 val)
@@ -177,8 +183,13 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *da,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	struct lm78_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
 	int nr = attr->index;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[nr] = IN_TO_REG(val);
@@ -192,8 +203,13 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	struct lm78_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
 	int nr = attr->index;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[nr] = IN_TO_REG(val);
@@ -201,7 +217,7 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
 	mutex_unlock(&data->update_lock);
 	return count;
 }
-	
+
 #define show_in_offset(offset)					\
 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,		\
 		show_in, NULL, offset);				\
@@ -237,7 +253,12 @@ static ssize_t set_temp_over(struct device *dev, struct device_attribute *da,
 			     const char *buf, size_t count)
 {
 	struct lm78_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_over = TEMP_TO_REG(val);
@@ -257,7 +278,12 @@ static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *da,
 			     const char *buf, size_t count)
 {
 	struct lm78_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_hyst = TEMP_TO_REG(val);
@@ -280,7 +306,7 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *da,
 	struct lm78_data *data = lm78_update_device(dev);
 	int nr = attr->index;
 	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
-		DIV_FROM_REG(data->fan_div[nr])) );
+		DIV_FROM_REG(data->fan_div[nr])));
 }
 
 static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
@@ -289,8 +315,8 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	struct lm78_data *data = lm78_update_device(dev);
 	int nr = attr->index;
-	return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
-		DIV_FROM_REG(data->fan_div[nr])) );
+	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
+		DIV_FROM_REG(data->fan_div[nr])));
 }
 
 static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
@@ -299,7 +325,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	struct lm78_data *data = dev_get_drvdata(dev);
 	int nr = attr->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -316,29 +347,44 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *da,
 	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[attr->index]));
 }
 
-/* Note: we save and restore the fan minimum here, because its value is
-   determined in part by the fan divisor.  This follows the principle of
-   least surprise; the user doesn't expect the fan minimum to change just
-   because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor.  This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
 static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
 			   const char *buf, size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	struct lm78_data *data = dev_get_drvdata(dev);
 	int nr = attr->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
 	unsigned long min;
 	u8 reg;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	min = FAN_FROM_REG(data->fan_min[nr],
 			   DIV_FROM_REG(data->fan_div[nr]));
 
 	switch (val) {
-	case 1: data->fan_div[nr] = 0; break;
-	case 2: data->fan_div[nr] = 1; break;
-	case 4: data->fan_div[nr] = 2; break;
-	case 8: data->fan_div[nr] = 3; break;
+	case 1:
+		data->fan_div[nr] = 0;
+		break;
+	case 2:
+		data->fan_div[nr] = 1;
+		break;
+	case 4:
+		data->fan_div[nr] = 2;
+		break;
+	case 8:
+		data->fan_div[nr] = 3;
+		break;
 	default:
 		dev_err(dev, "fan_div value %ld not "
 			"supported. Choose one of 1, 2, 4 or 8!\n", val);
@@ -484,8 +530,10 @@ static struct platform_device *pdev;
 
 static unsigned short isa_address = 0x290;
 
-/* I2C devices get this name attribute automatically, but for ISA devices
-   we must create it by ourselves. */
+/*
+ * I2C devices get this name attribute automatically, but for ISA devices
+ * we must create it by ourselves.
+ */
 static ssize_t show_name(struct device *dev, struct device_attribute
 			 *devattr, char *buf)
 {
@@ -515,8 +563,10 @@ static int lm78_alias_detect(struct i2c_client *client, u8 chipid)
 	if ((lm78_read_value(isa, LM78_REG_CHIPID) & 0xfe) != (chipid & 0xfe))
 		return 0;	/* Chip type doesn't match */
 
-	/* We compare all the limit registers, the config register and the
-	 * interrupt mask registers */
+	/*
+	 * We compare all the limit registers, the config register and the
+	 * interrupt mask registers
+	 */
 	for (i = 0x2b; i <= 0x3d; i++) {
 		if (lm78_read_value(isa, i) !=
 		    i2c_smbus_read_byte_data(client, i))
@@ -558,9 +608,11 @@ static int lm78_i2c_detect(struct i2c_client *client,
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
 
-	/* We block updates of the ISA device to minimize the risk of
-	   concurrent access to the same LM78 chip through different
-	   interfaces. */
+	/*
+	 * We block updates of the ISA device to minimize the risk of
+	 * concurrent access to the same LM78 chip through different
+	 * interfaces.
+	 */
 	if (isa)
 		mutex_lock(&isa->update_lock);
 
@@ -669,11 +721,13 @@ static struct i2c_driver lm78_driver = {
 	.address_list	= normal_i2c,
 };
 
-/* The SMBus locks itself, but ISA access must be locked explicitly! 
-   We don't want to lock the whole ISA bus, so we lock each client
-   separately.
-   We ignore the LM78 BUSY flag at this moment - it could lead to deadlocks,
-   would slow down the LM78 access and should not be necessary.  */
+/*
+ * The SMBus locks itself, but ISA access must be locked explicitly!
+ * We don't want to lock the whole ISA bus, so we lock each client
+ * separately.
+ * We ignore the LM78 BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the LM78 access and should not be necessary.
+ */
 static int lm78_read_value(struct lm78_data *data, u8 reg)
 {
 	struct i2c_client *client = data->client;
@@ -691,13 +745,6 @@ static int lm78_read_value(struct lm78_data *data, u8 reg)
 		return i2c_smbus_read_byte_data(client, reg);
 }
 
-/* The SMBus locks itself, but ISA access muse be locked explicitly! 
-   We don't want to lock the whole ISA bus, so we lock each client
-   separately.
-   We ignore the LM78 BUSY flag at this moment - it could lead to deadlocks,
-   would slow down the LM78 access and should not be necessary. 
-   There are some ugly typecasts here, but the good new is - they should
-   nowhere else be necessary! */
 static int lm78_write_value(struct lm78_data *data, u8 reg, u8 value)
 {
 	struct i2c_client *client = data->client;
@@ -823,8 +870,11 @@ static int __devinit lm78_isa_probe(struct platform_device *pdev)
 	lm78_init_device(data);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&pdev->dev.kobj, &lm78_group))
-	 || (err = device_create_file(&pdev->dev, &dev_attr_name)))
+	err = sysfs_create_group(&pdev->dev.kobj, &lm78_group);
+	if (err)
+		goto exit_remove_files;
+	err = device_create_file(&pdev->dev, &dev_attr_name);
+	if (err)
 		goto exit_remove_files;
 
 	data->hwmon_dev = hwmon_device_register(&pdev->dev);
@@ -876,9 +926,11 @@ static int __init lm78_isa_found(unsigned short address)
 	int val, save, found = 0;
 	int port;
 
-	/* Some boards declare base+0 to base+7 as a PNP device, some base+4
+	/*
+	 * Some boards declare base+0 to base+7 as a PNP device, some base+4
 	 * to base+7 and some base+5 to base+6. So we better request each port
-	 * individually for the probing phase. */
+	 * individually for the probing phase.
+	 */
 	for (port = address; port < address + LM78_EXTENT; port++) {
 		if (!request_region(port, 1, "lm78")) {
 			pr_debug("Failed to request port 0x%x\n", port);
@@ -887,8 +939,10 @@ static int __init lm78_isa_found(unsigned short address)
 	}
 
 #define REALLY_SLOW_IO
-	/* We need the timeouts for at least some LM78-like
-	   chips. But only if we read 'undefined' registers. */
+	/*
+	 * We need the timeouts for at least some LM78-like
+	 * chips. But only if we read 'undefined' registers.
+	 */
 	val = inb_p(address + 1);
 	if (inb_p(address + 2) != val
 	 || inb_p(address + 3) != val
@@ -896,8 +950,10 @@ static int __init lm78_isa_found(unsigned short address)
 		goto release;
 #undef REALLY_SLOW_IO
 
-	/* We should be able to change the 7 LSB of the address port. The
-	   MSB (busy flag) should be clear initially, set after the write. */
+	/*
+	 * We should be able to change the 7 LSB of the address port. The
+	 * MSB (busy flag) should be clear initially, set after the write.
+	 */
 	save = inb_p(address + LM78_ADDR_REG_OFFSET);
 	if (save & 0x80)
 		goto release;
@@ -1036,8 +1092,10 @@ static int __init sm_lm78_init(void)
 {
 	int res;
 
-	/* We register the ISA device first, so that we can skip the
-	 * registration of an I2C interface to the same device. */
+	/*
+	 * We register the ISA device first, so that we can skip the
+	 * registration of an I2C interface to the same device.
+	 */
 	res = lm78_isa_register();
 	if (res)
 		goto exit;
diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c
index 0891b38ffec0..e2c43e1774be 100644
--- a/drivers/hwmon/lm80.c
+++ b/drivers/hwmon/lm80.c
@@ -1,8 +1,8 @@
 /*
  * lm80.c - From lm_sensors, Linux kernel modules for hardware
- * monitoring
+ *	    monitoring
  * Copyright (C) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
- * and Philip Edelbrock <phil@netroedge.com>
+ *			     and Philip Edelbrock <phil@netroedge.com>
  *
  * Ported to Linux 2.6 by Tiago Sousa <mirage@kaotik.org>
  *
@@ -60,11 +60,17 @@ static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
 #define LM80_REG_FANDIV			0x05
 #define LM80_REG_RES			0x06
 
+#define LM96080_REG_CONV_RATE		0x07
+#define LM96080_REG_MAN_ID		0x3e
+#define LM96080_REG_DEV_ID		0x3f
 
-/* Conversions. Rounding and limit checking is only done on the TO_REG
-   variants. Note that you should be a bit careful with which arguments
-   these macros are called: arguments may be evaluated more than once.
-   Fixing this is just not worth it. */
+
+/*
+ * Conversions. Rounding and limit checking is only done on the TO_REG
+ * variants. Note that you should be a bit careful with which arguments
+ * these macros are called: arguments may be evaluated more than once.
+ * Fixing this is just not worth it.
+ */
 
 #define IN_TO_REG(val)		(SENSORS_LIMIT(((val) + 5) / 10, 0, 255))
 #define IN_FROM_REG(val)	((val) * 10)
@@ -108,6 +114,7 @@ static inline long TEMP_FROM_REG(u16 temp)
 struct lm80_data {
 	struct device *hwmon_dev;
 	struct mutex update_lock;
+	char error;		/* !=0 if error occurred during last update */
 	char valid;		/* !=0 if following fields are valid */
 	unsigned long last_updated;	/* In jiffies */
 
@@ -144,6 +151,7 @@ static int lm80_write_value(struct i2c_client *client, u8 reg, u8 value);
 
 static const struct i2c_device_id lm80_id[] = {
 	{ "lm80", 0 },
+	{ "lm96080", 1 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, lm80_id);
@@ -170,6 +178,8 @@ static ssize_t show_in_##suffix(struct device *dev, \
 { \
 	int nr = to_sensor_dev_attr(attr)->index; \
 	struct lm80_data *data = lm80_update_device(dev); \
+	if (IS_ERR(data)) \
+		return PTR_ERR(data); \
 	return sprintf(buf, "%d\n", IN_FROM_REG(data->value[nr])); \
 }
 show_in(min, in_min)
@@ -183,7 +193,10 @@ static ssize_t set_in_##suffix(struct device *dev, \
 	int nr = to_sensor_dev_attr(attr)->index; \
 	struct i2c_client *client = to_i2c_client(dev); \
 	struct lm80_data *data = i2c_get_clientdata(client); \
-	long val = simple_strtol(buf, NULL, 10); \
+	long val; \
+	int err = kstrtol(buf, 10, &val); \
+	if (err < 0) \
+		return err; \
 \
 	mutex_lock(&data->update_lock);\
 	data->value[nr] = IN_TO_REG(val); \
@@ -200,6 +213,8 @@ static ssize_t show_fan_##suffix(struct device *dev, \
 { \
 	int nr = to_sensor_dev_attr(attr)->index; \
 	struct lm80_data *data = lm80_update_device(dev); \
+	if (IS_ERR(data)) \
+		return PTR_ERR(data); \
 	return sprintf(buf, "%d\n", FAN_FROM_REG(data->value[nr], \
 		       DIV_FROM_REG(data->fan_div[nr]))); \
 }
@@ -211,6 +226,8 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
 {
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct lm80_data *data = lm80_update_device(dev);
+	if (IS_ERR(data))
+		return PTR_ERR(data);
 	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
 }
 
@@ -220,7 +237,10 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm80_data *data = i2c_get_clientdata(client);
-	long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err = kstrtoul(buf, 10, &val);
+	if (err < 0)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -229,18 +249,23 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-/* Note: we save and restore the fan minimum here, because its value is
-   determined in part by the fan divisor.  This follows the principle of
-   least surprise; the user doesn't expect the fan minimum to change just
-   because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor.  This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
 static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
 	const char *buf, size_t count)
 {
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm80_data *data = i2c_get_clientdata(client);
-	unsigned long min, val = simple_strtoul(buf, NULL, 10);
+	unsigned long min, val;
 	u8 reg;
+	int err = kstrtoul(buf, 10, &val);
+	if (err < 0)
+		return err;
 
 	/* Save fan_min */
 	mutex_lock(&data->update_lock);
@@ -283,6 +308,8 @@ static ssize_t show_temp_input1(struct device *dev,
 	struct device_attribute *attr, char *buf)
 {
 	struct lm80_data *data = lm80_update_device(dev);
+	if (IS_ERR(data))
+		return PTR_ERR(data);
 	return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp));
 }
 
@@ -291,6 +318,8 @@ static ssize_t show_temp_##suffix(struct device *dev, \
 	struct device_attribute *attr, char *buf) \
 { \
 	struct lm80_data *data = lm80_update_device(dev); \
+	if (IS_ERR(data)) \
+		return PTR_ERR(data); \
 	return sprintf(buf, "%d\n", TEMP_LIMIT_FROM_REG(data->value)); \
 }
 show_temp(hot_max, temp_hot_max);
@@ -304,7 +333,10 @@ static ssize_t set_temp_##suffix(struct device *dev, \
 { \
 	struct i2c_client *client = to_i2c_client(dev); \
 	struct lm80_data *data = i2c_get_clientdata(client); \
-	long val = simple_strtoul(buf, NULL, 10); \
+	long val; \
+	int err = kstrtol(buf, 10, &val); \
+	if (err < 0) \
+		return err; \
 \
 	mutex_lock(&data->update_lock); \
 	data->value = TEMP_LIMIT_TO_REG(val); \
@@ -321,6 +353,8 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
 			   char *buf)
 {
 	struct lm80_data *data = lm80_update_device(dev);
+	if (IS_ERR(data))
+		return PTR_ERR(data);
 	return sprintf(buf, "%u\n", data->alarms);
 }
 
@@ -329,6 +363,8 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
 {
 	int bitnr = to_sensor_dev_attr(attr)->index;
 	struct lm80_data *data = lm80_update_device(dev);
+	if (IS_ERR(data))
+		return PTR_ERR(data);
 	return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
 }
 
@@ -459,23 +495,44 @@ static const struct attribute_group lm80_group = {
 static int lm80_detect(struct i2c_client *client, struct i2c_board_info *info)
 {
 	struct i2c_adapter *adapter = client->adapter;
-	int i, cur;
+	int i, cur, man_id, dev_id;
+	const char *name = NULL;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
 
-	/* Now, we do the remaining detection. It is lousy. */
-	if (lm80_read_value(client, LM80_REG_ALARM2) & 0xc0)
+	/* First check for unused bits, common to both chip types */
+	if ((lm80_read_value(client, LM80_REG_ALARM2) & 0xc0)
+	 || (lm80_read_value(client, LM80_REG_CONFIG) & 0x80))
 		return -ENODEV;
-	for (i = 0x2a; i <= 0x3d; i++) {
-		cur = i2c_smbus_read_byte_data(client, i);
-		if ((i2c_smbus_read_byte_data(client, i + 0x40) != cur)
-		 || (i2c_smbus_read_byte_data(client, i + 0x80) != cur)
-		 || (i2c_smbus_read_byte_data(client, i + 0xc0) != cur))
+
+	/*
+	 * The LM96080 has manufacturer and stepping/die rev registers so we
+	 * can just check that. The LM80 does not have such registers so we
+	 * have to use a more expensive trick.
+	 */
+	man_id = lm80_read_value(client, LM96080_REG_MAN_ID);
+	dev_id = lm80_read_value(client, LM96080_REG_DEV_ID);
+	if (man_id == 0x01 && dev_id == 0x08) {
+		/* Check more unused bits for confirmation */
+		if (lm80_read_value(client, LM96080_REG_CONV_RATE) & 0xfe)
 			return -ENODEV;
+
+		name = "lm96080";
+	} else {
+		/* Check 6-bit addressing */
+		for (i = 0x2a; i <= 0x3d; i++) {
+			cur = i2c_smbus_read_byte_data(client, i);
+			if ((i2c_smbus_read_byte_data(client, i + 0x40) != cur)
+			 || (i2c_smbus_read_byte_data(client, i + 0x80) != cur)
+			 || (i2c_smbus_read_byte_data(client, i + 0xc0) != cur))
+				return -ENODEV;
+		}
+
+		name = "lm80";
 	}
 
-	strlcpy(info->type, "lm80", I2C_NAME_SIZE);
+	strlcpy(info->type, name, I2C_NAME_SIZE);
 
 	return 0;
 }
@@ -547,9 +604,11 @@ static int lm80_write_value(struct i2c_client *client, u8 reg, u8 value)
 /* Called when we have found a new LM80. */
 static void lm80_init_client(struct i2c_client *client)
 {
-	/* Reset all except Watchdog values and last conversion values
-	   This sets fan-divs to 2, among others. This makes most other
-	   initializations unnecessary */
+	/*
+	 * Reset all except Watchdog values and last conversion values
+	 * This sets fan-divs to 2, among others. This makes most other
+	 * initializations unnecessary
+	 */
 	lm80_write_value(client, LM80_REG_CONFIG, 0x80);
 	/* Set 11-bit temperature resolution */
 	lm80_write_value(client, LM80_REG_RES, 0x08);
@@ -563,66 +622,116 @@ static struct lm80_data *lm80_update_device(struct device *dev)
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm80_data *data = i2c_get_clientdata(client);
 	int i;
+	int rv;
+	int prev_rv;
+	struct lm80_data *ret = data;
 
 	mutex_lock(&data->update_lock);
 
+	if (data->error)
+		lm80_init_client(client);
+
 	if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
 		dev_dbg(&client->dev, "Starting lm80 update\n");
 		for (i = 0; i <= 6; i++) {
-			data->in[i] =
-			    lm80_read_value(client, LM80_REG_IN(i));
-			data->in_min[i] =
-			    lm80_read_value(client, LM80_REG_IN_MIN(i));
-			data->in_max[i] =
-			    lm80_read_value(client, LM80_REG_IN_MAX(i));
+			rv = lm80_read_value(client, LM80_REG_IN(i));
+			if (rv < 0)
+				goto abort;
+			data->in[i] = rv;
+
+			rv = lm80_read_value(client, LM80_REG_IN_MIN(i));
+			if (rv < 0)
+				goto abort;
+			data->in_min[i] = rv;
+
+			rv = lm80_read_value(client, LM80_REG_IN_MAX(i));
+			if (rv < 0)
+				goto abort;
+			data->in_max[i] = rv;
 		}
-		data->fan[0] = lm80_read_value(client, LM80_REG_FAN1);
-		data->fan_min[0] =
-		    lm80_read_value(client, LM80_REG_FAN_MIN(1));
-		data->fan[1] = lm80_read_value(client, LM80_REG_FAN2);
-		data->fan_min[1] =
-		    lm80_read_value(client, LM80_REG_FAN_MIN(2));
-
-		data->temp =
-		    (lm80_read_value(client, LM80_REG_TEMP) << 8) |
-		    (lm80_read_value(client, LM80_REG_RES) & 0xf0);
-		data->temp_os_max =
-		    lm80_read_value(client, LM80_REG_TEMP_OS_MAX);
-		data->temp_os_hyst =
-		    lm80_read_value(client, LM80_REG_TEMP_OS_HYST);
-		data->temp_hot_max =
-		    lm80_read_value(client, LM80_REG_TEMP_HOT_MAX);
-		data->temp_hot_hyst =
-		    lm80_read_value(client, LM80_REG_TEMP_HOT_HYST);
-
-		i = lm80_read_value(client, LM80_REG_FANDIV);
-		data->fan_div[0] = (i >> 2) & 0x03;
-		data->fan_div[1] = (i >> 4) & 0x03;
-		data->alarms = lm80_read_value(client, LM80_REG_ALARM1) +
-		    (lm80_read_value(client, LM80_REG_ALARM2) << 8);
+
+		rv = lm80_read_value(client, LM80_REG_FAN1);
+		if (rv < 0)
+			goto abort;
+		data->fan[0] = rv;
+
+		rv = lm80_read_value(client, LM80_REG_FAN_MIN(1));
+		if (rv < 0)
+			goto abort;
+		data->fan_min[0] = rv;
+
+		rv = lm80_read_value(client, LM80_REG_FAN2);
+		if (rv < 0)
+			goto abort;
+		data->fan[1] = rv;
+
+		rv = lm80_read_value(client, LM80_REG_FAN_MIN(2));
+		if (rv < 0)
+			goto abort;
+		data->fan_min[1] = rv;
+
+		prev_rv = rv = lm80_read_value(client, LM80_REG_TEMP);
+		if (rv < 0)
+			goto abort;
+		rv = lm80_read_value(client, LM80_REG_RES);
+		if (rv < 0)
+			goto abort;
+		data->temp = (prev_rv << 8) | (rv & 0xf0);
+
+		rv = lm80_read_value(client, LM80_REG_TEMP_OS_MAX);
+		if (rv < 0)
+			goto abort;
+		data->temp_os_max = rv;
+
+		rv = lm80_read_value(client, LM80_REG_TEMP_OS_HYST);
+		if (rv < 0)
+			goto abort;
+		data->temp_os_hyst = rv;
+
+		rv = lm80_read_value(client, LM80_REG_TEMP_HOT_MAX);
+		if (rv < 0)
+			goto abort;
+		data->temp_hot_max = rv;
+
+		rv = lm80_read_value(client, LM80_REG_TEMP_HOT_HYST);
+		if (rv < 0)
+			goto abort;
+		data->temp_hot_hyst = rv;
+
+		rv = lm80_read_value(client, LM80_REG_FANDIV);
+		if (rv < 0)
+			goto abort;
+		data->fan_div[0] = (rv >> 2) & 0x03;
+		data->fan_div[1] = (rv >> 4) & 0x03;
+
+		prev_rv = rv = lm80_read_value(client, LM80_REG_ALARM1);
+		if (rv < 0)
+			goto abort;
+		rv = lm80_read_value(client, LM80_REG_ALARM2);
+		if (rv < 0)
+			goto abort;
+		data->alarms = prev_rv + (rv << 8);
+
 		data->last_updated = jiffies;
 		data->valid = 1;
+		data->error = 0;
 	}
+	goto done;
+
+abort:
+	ret = ERR_PTR(rv);
+	data->valid = 0;
+	data->error = 1;
 
+done:
 	mutex_unlock(&data->update_lock);
 
-	return data;
+	return ret;
 }
 
-static int __init sensors_lm80_init(void)
-{
-	return i2c_add_driver(&lm80_driver);
-}
-
-static void __exit sensors_lm80_exit(void)
-{
-	i2c_del_driver(&lm80_driver);
-}
+module_i2c_driver(lm80_driver);
 
 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl> and "
 	"Philip Edelbrock <phil@netroedge.com>");
 MODULE_DESCRIPTION("LM80 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_lm80_init);
-module_exit(sensors_lm80_exit);
diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c
index 8290476aee4a..cd45b9d85584 100644
--- a/drivers/hwmon/lm83.c
+++ b/drivers/hwmon/lm83.c
@@ -124,7 +124,7 @@ static struct lm83_data *lm83_update_device(struct device *dev);
 /*
  * Driver data (common to all clients)
  */
- 
+
 static const struct i2c_device_id lm83_id[] = {
 	{ "lm83", lm83 },
 	{ "lm82", lm82 },
@@ -179,8 +179,13 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm83_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
 	int nr = attr->index;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err < 0)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp[nr] = TEMP_TO_REG(val);
@@ -355,12 +360,14 @@ static int lm83_probe(struct i2c_client *new_client,
 	 * declare 1 and 3 common, and then 2 and 4 only for the LM83.
 	 */
 
-	if ((err = sysfs_create_group(&new_client->dev.kobj, &lm83_group)))
+	err = sysfs_create_group(&new_client->dev.kobj, &lm83_group);
+	if (err)
 		goto exit_free;
 
 	if (id->driver_data == lm83) {
-		if ((err = sysfs_create_group(&new_client->dev.kobj,
-					      &lm83_group_opt)))
+		err = sysfs_create_group(&new_client->dev.kobj,
+					 &lm83_group_opt);
+		if (err)
 			goto exit_remove_files;
 	}
 
@@ -423,19 +430,8 @@ static struct lm83_data *lm83_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_lm83_init(void)
-{
-	return i2c_add_driver(&lm83_driver);
-}
-
-static void __exit sensors_lm83_exit(void)
-{
-	i2c_del_driver(&lm83_driver);
-}
+module_i2c_driver(lm83_driver);
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("LM83 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_lm83_init);
-module_exit(sensors_lm83_exit);
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index da72dc12068c..864c7d999e0c 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -1,28 +1,28 @@
 /*
-    lm85.c - Part of lm_sensors, Linux kernel modules for hardware
-             monitoring
-    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
-    Copyright (c) 2002, 2003  Philip Pokorny <ppokorny@penguincomputing.com>
-    Copyright (c) 2003        Margit Schubert-While <margitsw@t-online.de>
-    Copyright (c) 2004        Justin Thiessen <jthiessen@penguincomputing.com>
-    Copyright (C) 2007--2009  Jean Delvare <khali@linux-fr.org>
-
-    Chip details at	      <http://www.national.com/ds/LM/LM85.pdf>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * lm85.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	    monitoring
+ * Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
+ * Copyright (c) 2002, 2003  Philip Pokorny <ppokorny@penguincomputing.com>
+ * Copyright (c) 2003        Margit Schubert-While <margitsw@t-online.de>
+ * Copyright (c) 2004        Justin Thiessen <jthiessen@penguincomputing.com>
+ * Copyright (C) 2007--2009  Jean Delvare <khali@linux-fr.org>
+ *
+ * Chip details at	      <http://www.national.com/ds/LM/LM85.pdf>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -46,88 +46,89 @@ enum chips {
 
 /* The LM85 registers */
 
-#define	LM85_REG_IN(nr)			(0x20 + (nr))
-#define	LM85_REG_IN_MIN(nr)		(0x44 + (nr) * 2)
-#define	LM85_REG_IN_MAX(nr)		(0x45 + (nr) * 2)
+#define LM85_REG_IN(nr)			(0x20 + (nr))
+#define LM85_REG_IN_MIN(nr)		(0x44 + (nr) * 2)
+#define LM85_REG_IN_MAX(nr)		(0x45 + (nr) * 2)
 
-#define	LM85_REG_TEMP(nr)		(0x25 + (nr))
-#define	LM85_REG_TEMP_MIN(nr)		(0x4e + (nr) * 2)
-#define	LM85_REG_TEMP_MAX(nr)		(0x4f + (nr) * 2)
+#define LM85_REG_TEMP(nr)		(0x25 + (nr))
+#define LM85_REG_TEMP_MIN(nr)		(0x4e + (nr) * 2)
+#define LM85_REG_TEMP_MAX(nr)		(0x4f + (nr) * 2)
 
 /* Fan speeds are LSB, MSB (2 bytes) */
-#define	LM85_REG_FAN(nr)		(0x28 + (nr) * 2)
-#define	LM85_REG_FAN_MIN(nr)		(0x54 + (nr) * 2)
+#define LM85_REG_FAN(nr)		(0x28 + (nr) * 2)
+#define LM85_REG_FAN_MIN(nr)		(0x54 + (nr) * 2)
 
-#define	LM85_REG_PWM(nr)		(0x30 + (nr))
+#define LM85_REG_PWM(nr)		(0x30 + (nr))
 
-#define	LM85_REG_COMPANY		0x3e
-#define	LM85_REG_VERSTEP		0x3f
+#define LM85_REG_COMPANY		0x3e
+#define LM85_REG_VERSTEP		0x3f
 
-#define	ADT7468_REG_CFG5		0x7c
-#define		ADT7468_OFF64		(1 << 0)
-#define		ADT7468_HFPWM		(1 << 1)
-#define	IS_ADT7468_OFF64(data)		\
+#define ADT7468_REG_CFG5		0x7c
+#define ADT7468_OFF64			(1 << 0)
+#define ADT7468_HFPWM			(1 << 1)
+#define IS_ADT7468_OFF64(data)		\
 	((data)->type == adt7468 && !((data)->cfg5 & ADT7468_OFF64))
-#define	IS_ADT7468_HFPWM(data)		\
+#define IS_ADT7468_HFPWM(data)		\
 	((data)->type == adt7468 && !((data)->cfg5 & ADT7468_HFPWM))
 
 /* These are the recognized values for the above regs */
-#define	LM85_COMPANY_NATIONAL		0x01
-#define	LM85_COMPANY_ANALOG_DEV		0x41
-#define	LM85_COMPANY_SMSC		0x5c
-#define	LM85_VERSTEP_VMASK              0xf0
-#define	LM85_VERSTEP_GENERIC		0x60
-#define	LM85_VERSTEP_GENERIC2		0x70
-#define	LM85_VERSTEP_LM85C		0x60
-#define	LM85_VERSTEP_LM85B		0x62
-#define	LM85_VERSTEP_LM96000_1		0x68
-#define	LM85_VERSTEP_LM96000_2		0x69
-#define	LM85_VERSTEP_ADM1027		0x60
-#define	LM85_VERSTEP_ADT7463		0x62
-#define	LM85_VERSTEP_ADT7463C		0x6A
-#define	LM85_VERSTEP_ADT7468_1		0x71
-#define	LM85_VERSTEP_ADT7468_2		0x72
-#define	LM85_VERSTEP_EMC6D100_A0        0x60
-#define	LM85_VERSTEP_EMC6D100_A1        0x61
-#define	LM85_VERSTEP_EMC6D102		0x65
-#define	LM85_VERSTEP_EMC6D103_A0	0x68
-#define	LM85_VERSTEP_EMC6D103_A1	0x69
-#define	LM85_VERSTEP_EMC6D103S		0x6A	/* Also known as EMC6D103:A2 */
-
-#define	LM85_REG_CONFIG			0x40
-
-#define	LM85_REG_ALARM1			0x41
-#define	LM85_REG_ALARM2			0x42
-
-#define	LM85_REG_VID			0x43
+#define LM85_COMPANY_NATIONAL		0x01
+#define LM85_COMPANY_ANALOG_DEV		0x41
+#define LM85_COMPANY_SMSC		0x5c
+#define LM85_VERSTEP_VMASK              0xf0
+#define LM85_VERSTEP_GENERIC		0x60
+#define LM85_VERSTEP_GENERIC2		0x70
+#define LM85_VERSTEP_LM85C		0x60
+#define LM85_VERSTEP_LM85B		0x62
+#define LM85_VERSTEP_LM96000_1		0x68
+#define LM85_VERSTEP_LM96000_2		0x69
+#define LM85_VERSTEP_ADM1027		0x60
+#define LM85_VERSTEP_ADT7463		0x62
+#define LM85_VERSTEP_ADT7463C		0x6A
+#define LM85_VERSTEP_ADT7468_1		0x71
+#define LM85_VERSTEP_ADT7468_2		0x72
+#define LM85_VERSTEP_EMC6D100_A0        0x60
+#define LM85_VERSTEP_EMC6D100_A1        0x61
+#define LM85_VERSTEP_EMC6D102		0x65
+#define LM85_VERSTEP_EMC6D103_A0	0x68
+#define LM85_VERSTEP_EMC6D103_A1	0x69
+#define LM85_VERSTEP_EMC6D103S		0x6A	/* Also known as EMC6D103:A2 */
+
+#define LM85_REG_CONFIG			0x40
+
+#define LM85_REG_ALARM1			0x41
+#define LM85_REG_ALARM2			0x42
+
+#define LM85_REG_VID			0x43
 
 /* Automated FAN control */
-#define	LM85_REG_AFAN_CONFIG(nr)	(0x5c + (nr))
-#define	LM85_REG_AFAN_RANGE(nr)		(0x5f + (nr))
-#define	LM85_REG_AFAN_SPIKE1		0x62
-#define	LM85_REG_AFAN_MINPWM(nr)	(0x64 + (nr))
-#define	LM85_REG_AFAN_LIMIT(nr)		(0x67 + (nr))
-#define	LM85_REG_AFAN_CRITICAL(nr)	(0x6a + (nr))
-#define	LM85_REG_AFAN_HYST1		0x6d
-#define	LM85_REG_AFAN_HYST2		0x6e
-
-#define	ADM1027_REG_EXTEND_ADC1		0x76
-#define	ADM1027_REG_EXTEND_ADC2		0x77
+#define LM85_REG_AFAN_CONFIG(nr)	(0x5c + (nr))
+#define LM85_REG_AFAN_RANGE(nr)		(0x5f + (nr))
+#define LM85_REG_AFAN_SPIKE1		0x62
+#define LM85_REG_AFAN_MINPWM(nr)	(0x64 + (nr))
+#define LM85_REG_AFAN_LIMIT(nr)		(0x67 + (nr))
+#define LM85_REG_AFAN_CRITICAL(nr)	(0x6a + (nr))
+#define LM85_REG_AFAN_HYST1		0x6d
+#define LM85_REG_AFAN_HYST2		0x6e
+
+#define ADM1027_REG_EXTEND_ADC1		0x76
+#define ADM1027_REG_EXTEND_ADC2		0x77
 
 #define EMC6D100_REG_ALARM3             0x7d
 /* IN5, IN6 and IN7 */
-#define	EMC6D100_REG_IN(nr)             (0x70 + ((nr) - 5))
-#define	EMC6D100_REG_IN_MIN(nr)         (0x73 + ((nr) - 5) * 2)
-#define	EMC6D100_REG_IN_MAX(nr)         (0x74 + ((nr) - 5) * 2)
-#define	EMC6D102_REG_EXTEND_ADC1	0x85
-#define	EMC6D102_REG_EXTEND_ADC2	0x86
-#define	EMC6D102_REG_EXTEND_ADC3	0x87
-#define	EMC6D102_REG_EXTEND_ADC4	0x88
-
-
-/* Conversions. Rounding and limit checking is only done on the TO_REG
-   variants. Note that you should be a bit careful with which arguments
-   these macros are called: arguments may be evaluated more than once.
+#define EMC6D100_REG_IN(nr)             (0x70 + ((nr) - 5))
+#define EMC6D100_REG_IN_MIN(nr)         (0x73 + ((nr) - 5) * 2)
+#define EMC6D100_REG_IN_MAX(nr)         (0x74 + ((nr) - 5) * 2)
+#define EMC6D102_REG_EXTEND_ADC1	0x85
+#define EMC6D102_REG_EXTEND_ADC2	0x86
+#define EMC6D102_REG_EXTEND_ADC3	0x87
+#define EMC6D102_REG_EXTEND_ADC4	0x88
+
+
+/*
+ * Conversions. Rounding and limit checking is only done on the TO_REG
+ * variants. Note that you should be a bit careful with which arguments
+ * these macros are called: arguments may be evaluated more than once.
  */
 
 /* IN are scaled according to built-in resistors */
@@ -166,7 +167,8 @@ static inline u16 FAN_TO_REG(unsigned long val)
 #define PWM_FROM_REG(val)		(val)
 
 
-/* ZONEs have the following parameters:
+/*
+ * ZONEs have the following parameters:
  *    Limit (low) temp,           1. degC
  *    Hysteresis (below limit),   1. degC (0-15)
  *    Range of speed control,     .1 degC (2-80)
@@ -228,7 +230,8 @@ static int FREQ_FROM_REG(const int *map, u8 reg)
 	return map[reg & 0x07];
 }
 
-/* Since we can't use strings, I'm abusing these numbers
+/*
+ * Since we can't use strings, I'm abusing these numbers
  *   to stand in for the following meanings:
  *      1 -- PWM responds to Zone 1
  *      2 -- PWM responds to Zone 2
@@ -258,7 +261,8 @@ static int ZONE_TO_REG(int zone)
 #define HYST_TO_REG(val)	SENSORS_LIMIT(((val) + 500) / 1000, 0, 15)
 #define HYST_FROM_REG(val)	((val) * 1000)
 
-/* Chip sampling rates
+/*
+ * Chip sampling rates
  *
  * Some sensors are not updated more frequently than once per second
  *    so it doesn't make sense to read them more often than that.
@@ -274,7 +278,8 @@ static int ZONE_TO_REG(int zone)
 #define LM85_DATA_INTERVAL  (HZ + HZ / 2)
 #define LM85_CONFIG_INTERVAL  (1 * 60 * HZ)
 
-/* LM85 can automatically adjust fan speeds based on temperature
+/*
+ * LM85 can automatically adjust fan speeds based on temperature
  * This structure encapsulates an entire Zone config.  There are
  * three zones (one for each temperature input) on the lm85
  */
@@ -283,7 +288,8 @@ struct lm85_zone {
 	u8 hyst;	/* Low limit hysteresis. (0-15) */
 	u8 range;	/* Temp range, encoded */
 	s8 critical;	/* "All fans ON" temp limit */
-	u8 max_desired; /* Actual "max" temperature specified.  Preserved
+	u8 max_desired; /*
+			 * Actual "max" temperature specified.  Preserved
 			 * to prevent "drift" as other autofan control
 			 * values change.
 			 */
@@ -295,8 +301,10 @@ struct lm85_autofan {
 	u8 min_off;	/* Min PWM or OFF below "limit", flag */
 };
 
-/* For each registered chip, we need to keep some data in memory.
-   The structure is dynamically allocated. */
+/*
+ * For each registered chip, we need to keep some data in memory.
+ * The structure is dynamically allocated.
+ */
 struct lm85_data {
 	struct device *hwmon_dev;
 	const int *freq_map;
@@ -391,7 +399,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val);
@@ -443,7 +456,14 @@ static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
 	struct lm85_data *data = dev_get_drvdata(dev);
-	data->vrm = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	data->vrm = val;
 	return count;
 }
 
@@ -500,7 +520,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->pwm[nr] = PWM_TO_REG(val);
@@ -537,8 +562,13 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
 	u8 config;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	switch (val) {
 	case 0:
@@ -548,8 +578,10 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
 		config = 7;
 		break;
 	case 2:
-		/* Here we have to choose arbitrarily one of the 5 possible
-		   configurations; I go for the safest */
+		/*
+		 * Here we have to choose arbitrarily one of the 5 possible
+		 * configurations; I go for the safest
+		 */
 		config = 6;
 		break;
 	default:
@@ -588,12 +620,19 @@ static ssize_t set_pwm_freq(struct device *dev,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	/* The ADT7468 has a special high-frequency PWM output mode,
+	/*
+	 * The ADT7468 has a special high-frequency PWM output mode,
 	 * where all PWM outputs are driven by a 22.5 kHz clock.
-	 * This might confuse the user, but there's not much we can do. */
+	 * This might confuse the user, but there's not much we can do.
+	 */
 	if (data->type == adt7468 && val >= 11300) {	/* High freq. mode */
 		data->cfg5 &= ~ADT7468_HFPWM;
 		lm85_write_value(client, ADT7468_REG_CFG5, data->cfg5);
@@ -648,7 +687,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[nr] = INS_TO_REG(nr, val);
@@ -671,7 +715,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[nr] = INS_TO_REG(nr, val);
@@ -722,7 +771,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	if (IS_ADT7468_OFF64(data))
 		val += 64;
@@ -748,7 +802,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	if (IS_ADT7468_OFF64(data))
 		val += 64;
@@ -789,7 +848,12 @@ static ssize_t set_pwm_auto_channels(struct device *dev,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->autofan[nr].config = (data->autofan[nr].config & (~0xe0))
@@ -814,7 +878,12 @@ static ssize_t set_pwm_auto_pwm_min(struct device *dev,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->autofan[nr].min_pwm = PWM_TO_REG(val);
@@ -838,8 +907,13 @@ static ssize_t set_pwm_auto_pwm_minctl(struct device *dev,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
 	u8 tmp;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->autofan[nr].min_off = val;
@@ -885,7 +959,12 @@ static ssize_t set_temp_auto_temp_off(struct device *dev,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
 	int min;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	min = TEMP_FROM_REG(data->zone[nr].limit);
@@ -916,7 +995,12 @@ static ssize_t set_temp_auto_temp_min(struct device *dev,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->zone[nr].limit = TEMP_TO_REG(val);
@@ -951,7 +1035,12 @@ static ssize_t set_temp_auto_temp_max(struct device *dev,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
 	int min;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	min = TEMP_FROM_REG(data->zone[nr].limit);
@@ -979,7 +1068,12 @@ static ssize_t set_temp_auto_temp_crit(struct device *dev,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->zone[nr].critical = TEMP_TO_REG(val);
@@ -1338,24 +1432,28 @@ static int lm85_probe(struct i2c_client *client,
 			goto err_remove_files;
 	}
 
-	/* The ADT7463/68 have an optional VRM 10 mode where pin 21 is used
-	   as a sixth digital VID input rather than an analog input. */
+	/*
+	 * The ADT7463/68 have an optional VRM 10 mode where pin 21 is used
+	 * as a sixth digital VID input rather than an analog input.
+	 */
 	if (data->type == adt7463 || data->type == adt7468) {
 		u8 vid = lm85_read_value(client, LM85_REG_VID);
 		if (vid & 0x80)
 			data->has_vid5 = true;
 	}
 
-	if (!data->has_vid5)
-		if ((err = sysfs_create_group(&client->dev.kobj,
-					&lm85_group_in4)))
+	if (!data->has_vid5) {
+		err = sysfs_create_group(&client->dev.kobj, &lm85_group_in4);
+		if (err)
 			goto err_remove_files;
+	}
 
 	/* The EMC6D100 has 3 additional voltage inputs */
-	if (data->type == emc6d100)
-		if ((err = sysfs_create_group(&client->dev.kobj,
-					&lm85_group_in567)))
+	if (data->type == emc6d100) {
+		err = sysfs_create_group(&client->dev.kobj, &lm85_group_in567);
+		if (err)
 			goto err_remove_files;
+	}
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -1443,7 +1541,8 @@ static struct lm85_data *lm85_update_device(struct device *dev)
 		/* Things that change quickly */
 		dev_dbg(&client->dev, "Reading sensor values\n");
 
-		/* Have to read extended bits first to "freeze" the
+		/*
+		 * Have to read extended bits first to "freeze" the
 		 * more significant bits that are read later.
 		 * There are 2 additional resolution bits per channel and we
 		 * have room for 4, so we shift them to the left.
@@ -1503,9 +1602,10 @@ static struct lm85_data *lm85_update_device(struct device *dev)
 						EMC6D100_REG_ALARM3) << 16;
 		} else if (data->type == emc6d102 || data->type == emc6d103 ||
 			   data->type == emc6d103s) {
-			/* Have to read LSB bits after the MSB ones because
-			   the reading of the MSB bits has frozen the
-			   LSBs (backward from the ADM1027).
+			/*
+			 * Have to read LSB bits after the MSB ones because
+			 * the reading of the MSB bits has frozen the
+			 * LSBs (backward from the ADM1027).
 			 */
 			int ext1 = lm85_read_value(client,
 						   EMC6D102_REG_EXTEND_ADC1);
@@ -1611,22 +1711,10 @@ static struct lm85_data *lm85_update_device(struct device *dev)
 	return data;
 }
 
-
-static int __init sm_lm85_init(void)
-{
-	return i2c_add_driver(&lm85_driver);
-}
-
-static void __exit sm_lm85_exit(void)
-{
-	i2c_del_driver(&lm85_driver);
-}
+module_i2c_driver(lm85_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
 	"Margit Schubert-While <margitsw@t-online.de>, "
 	"Justin Thiessen <jthiessen@penguincomputing.com>");
 MODULE_DESCRIPTION("LM85-B, LM85-C driver");
-
-module_init(sm_lm85_init);
-module_exit(sm_lm85_exit);
diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
index f1e6e7512ffa..314d147bf1ac 100644
--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -119,20 +119,21 @@ static u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C };
  * The LM87 uses signed 8-bit values for temperatures.
  */
 
-#define IN_FROM_REG(reg,scale)	(((reg) * (scale) + 96) / 192)
-#define IN_TO_REG(val,scale)	((val) <= 0 ? 0 : \
+#define IN_FROM_REG(reg, scale)	(((reg) * (scale) + 96) / 192)
+#define IN_TO_REG(val, scale)	((val) <= 0 ? 0 : \
 				 (val) * 192 >= (scale) * 255 ? 255 : \
-				 ((val) * 192 + (scale)/2) / (scale))
+				 ((val) * 192 + (scale) / 2) / (scale))
 
 #define TEMP_FROM_REG(reg)	((reg) * 1000)
 #define TEMP_TO_REG(val)	((val) <= -127500 ? -128 : \
 				 (val) >= 126500 ? 127 : \
-				 (((val) < 0 ? (val)-500 : (val)+500) / 1000))
+				 (((val) < 0 ? (val) - 500 : \
+				   (val) + 500) / 1000))
 
-#define FAN_FROM_REG(reg,div)	((reg) == 255 || (reg) == 0 ? 0 : \
-				 (1350000 + (reg)*(div) / 2) / ((reg)*(div)))
-#define FAN_TO_REG(val,div)	((val)*(div) * 255 <= 1350000 ? 255 : \
-				 (1350000 + (val)*(div) / 2) / ((val)*(div)))
+#define FAN_FROM_REG(reg, div)	((reg) == 255 || (reg) == 0 ? 0 : \
+				 (1350000 + (reg)*(div) / 2) / ((reg) * (div)))
+#define FAN_TO_REG(val, div)	((val) * (div) * 255 <= 1350000 ? 255 : \
+				 (1350000 + (val)*(div) / 2) / ((val) * (div)))
 
 #define FAN_DIV_FROM_REG(reg)	(1 << (reg))
 
@@ -149,41 +150,6 @@ static u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C };
 #define CHAN_NO_VID		(1 << 7)
 
 /*
- * Functions declaration
- */
-
-static int lm87_probe(struct i2c_client *client,
-		      const struct i2c_device_id *id);
-static int lm87_detect(struct i2c_client *new_client,
-		       struct i2c_board_info *info);
-static void lm87_init_client(struct i2c_client *client);
-static int lm87_remove(struct i2c_client *client);
-static struct lm87_data *lm87_update_device(struct device *dev);
-
-/*
- * Driver data (common to all clients)
- */
-
-static const struct i2c_device_id lm87_id[] = {
-	{ "lm87", lm87 },
-	{ "adm1024", adm1024 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, lm87_id);
-
-static struct i2c_driver lm87_driver = {
-	.class		= I2C_CLASS_HWMON,
-	.driver = {
-		.name	= "lm87",
-	},
-	.probe		= lm87_probe,
-	.remove		= lm87_remove,
-	.id_table	= lm87_id,
-	.detect		= lm87_detect,
-	.address_list	= normal_i2c,
-};
-
-/*
  * Client data (each client gets its own)
  */
 
@@ -217,10 +183,6 @@ struct lm87_data {
 	u8 vrm;
 };
 
-/*
- * Sysfs stuff
- */
-
 static inline int lm87_read_value(struct i2c_client *client, u8 reg)
 {
 	return i2c_smbus_read_byte_data(client, reg);
@@ -231,79 +193,168 @@ static inline int lm87_write_value(struct i2c_client *client, u8 reg, u8 value)
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-#define show_in(offset) \
-static ssize_t show_in##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-	struct lm87_data *data = lm87_update_device(dev); \
-	return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \
-		       data->in_scale[offset])); \
-} \
-static ssize_t show_in##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-	struct lm87_data *data = lm87_update_device(dev); \
-	return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \
-		       data->in_scale[offset])); \
-} \
-static ssize_t show_in##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-	struct lm87_data *data = lm87_update_device(dev); \
-	return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \
-		       data->in_scale[offset])); \
-} \
-static DEVICE_ATTR(in##offset##_input, S_IRUGO, \
-		show_in##offset##_input, NULL);
-show_in(0);
-show_in(1);
-show_in(2);
-show_in(3);
-show_in(4);
-show_in(5);
-show_in(6);
-show_in(7);
-
-static void set_in_min(struct device *dev, const char *buf, int nr)
+static struct lm87_data *lm87_update_device(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm87_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+
+	mutex_lock(&data->update_lock);
+
+	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
+		int i, j;
+
+		dev_dbg(&client->dev, "Updating data.\n");
+
+		i = (data->channel & CHAN_TEMP3) ? 1 : 0;
+		j = (data->channel & CHAN_TEMP3) ? 5 : 6;
+		for (; i < j; i++) {
+			data->in[i] = lm87_read_value(client,
+				      LM87_REG_IN(i));
+			data->in_min[i] = lm87_read_value(client,
+					  LM87_REG_IN_MIN(i));
+			data->in_max[i] = lm87_read_value(client,
+					  LM87_REG_IN_MAX(i));
+		}
+
+		for (i = 0; i < 2; i++) {
+			if (data->channel & CHAN_NO_FAN(i)) {
+				data->in[6+i] = lm87_read_value(client,
+						LM87_REG_AIN(i));
+				data->in_max[6+i] = lm87_read_value(client,
+						    LM87_REG_AIN_MAX(i));
+				data->in_min[6+i] = lm87_read_value(client,
+						    LM87_REG_AIN_MIN(i));
+
+			} else {
+				data->fan[i] = lm87_read_value(client,
+					       LM87_REG_FAN(i));
+				data->fan_min[i] = lm87_read_value(client,
+						   LM87_REG_FAN_MIN(i));
+			}
+		}
+
+		j = (data->channel & CHAN_TEMP3) ? 3 : 2;
+		for (i = 0 ; i < j; i++) {
+			data->temp[i] = lm87_read_value(client,
+					LM87_REG_TEMP[i]);
+			data->temp_high[i] = lm87_read_value(client,
+					     LM87_REG_TEMP_HIGH[i]);
+			data->temp_low[i] = lm87_read_value(client,
+					    LM87_REG_TEMP_LOW[i]);
+		}
+
+		i = lm87_read_value(client, LM87_REG_TEMP_HW_INT_LOCK);
+		j = lm87_read_value(client, LM87_REG_TEMP_HW_INT);
+		data->temp_crit_int = min(i, j);
+
+		i = lm87_read_value(client, LM87_REG_TEMP_HW_EXT_LOCK);
+		j = lm87_read_value(client, LM87_REG_TEMP_HW_EXT);
+		data->temp_crit_ext = min(i, j);
+
+		i = lm87_read_value(client, LM87_REG_VID_FAN_DIV);
+		data->fan_div[0] = (i >> 4) & 0x03;
+		data->fan_div[1] = (i >> 6) & 0x03;
+		data->vid = (i & 0x0F)
+			  | (lm87_read_value(client, LM87_REG_VID4) & 0x01)
+			     << 4;
+
+		data->alarms = lm87_read_value(client, LM87_REG_ALARMS1)
+			     | (lm87_read_value(client, LM87_REG_ALARMS2)
+				<< 8);
+		data->aout = lm87_read_value(client, LM87_REG_AOUT);
+
+		data->last_updated = jiffies;
+		data->valid = 1;
+	}
+
+	mutex_unlock(&data->update_lock);
+
+	return data;
+}
+
+/*
+ * Sysfs stuff
+ */
+
+static ssize_t show_in_input(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	struct lm87_data *data = lm87_update_device(dev);
+	int nr = to_sensor_dev_attr(attr)->index;
+
+	return sprintf(buf, "%u\n", IN_FROM_REG(data->in[nr],
+		       data->in_scale[nr]));
+}
+
+static ssize_t show_in_min(struct device *dev,
+				     struct device_attribute *attr, char *buf)
+{
+	struct lm87_data *data = lm87_update_device(dev);
+	int nr = to_sensor_dev_attr(attr)->index;
+
+	return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[nr],
+		       data->in_scale[nr]));
+}
+
+static ssize_t show_in_max(struct device *dev,
+				     struct device_attribute *attr, char *buf)
+{
+	struct lm87_data *data = lm87_update_device(dev);
+	int nr = to_sensor_dev_attr(attr)->index;
+
+	return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[nr],
+		       data->in_scale[nr]));
+}
+
+static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
+			  const char *buf, size_t count)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct lm87_data *data = i2c_get_clientdata(client);
+	int nr = to_sensor_dev_attr(attr)->index;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[nr] = IN_TO_REG(val, data->in_scale[nr]);
-	lm87_write_value(client, nr<6 ? LM87_REG_IN_MIN(nr) :
-			 LM87_REG_AIN_MIN(nr-6), data->in_min[nr]);
+	lm87_write_value(client, nr < 6 ? LM87_REG_IN_MIN(nr) :
+			 LM87_REG_AIN_MIN(nr - 6), data->in_min[nr]);
 	mutex_unlock(&data->update_lock);
+	return count;
 }
 
-static void set_in_max(struct device *dev, const char *buf, int nr)
+static ssize_t set_in_max(struct device *dev,  struct device_attribute *attr,
+			  const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm87_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	int nr = to_sensor_dev_attr(attr)->index;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[nr] = IN_TO_REG(val, data->in_scale[nr]);
-	lm87_write_value(client, nr<6 ? LM87_REG_IN_MAX(nr) :
-			 LM87_REG_AIN_MAX(nr-6), data->in_max[nr]);
+	lm87_write_value(client, nr < 6 ? LM87_REG_IN_MAX(nr) :
+			 LM87_REG_AIN_MAX(nr - 6), data->in_max[nr]);
 	mutex_unlock(&data->update_lock);
+	return count;
 }
 
 #define set_in(offset) \
-static ssize_t set_in##offset##_min(struct device *dev, struct device_attribute *attr, \
-		const char *buf, size_t count) \
-{ \
-	set_in_min(dev, buf, offset); \
-	return count; \
-} \
-static ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, \
-		const char *buf, size_t count) \
-{ \
-	set_in_max(dev, buf, offset); \
-	return count; \
-} \
-static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
-		show_in##offset##_min, set_in##offset##_min); \
-static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
-		show_in##offset##_max, set_in##offset##_max);
+static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
+		show_in_input, NULL, offset); \
+static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
+		show_in_min, set_in_min, offset); \
+static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
+		show_in_max, set_in_max, offset)
 set_in(0);
 set_in(1);
 set_in(2);
@@ -313,80 +364,95 @@ set_in(5);
 set_in(6);
 set_in(7);
 
-#define show_temp(offset) \
-static ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-	struct lm87_data *data = lm87_update_device(dev); \
-	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \
-} \
-static ssize_t show_temp##offset##_low(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-	struct lm87_data *data = lm87_update_device(dev); \
-	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[offset-1])); \
-} \
-static ssize_t show_temp##offset##_high(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-	struct lm87_data *data = lm87_update_device(dev); \
-	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[offset-1])); \
-}\
-static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
-		show_temp##offset##_input, NULL);
-show_temp(1);
-show_temp(2);
-show_temp(3);
-
-static void set_temp_low(struct device *dev, const char *buf, int nr)
+static ssize_t show_temp_input(struct device *dev,
+			       struct device_attribute *attr, char *buf)
+{
+	struct lm87_data *data = lm87_update_device(dev);
+	int nr = to_sensor_dev_attr(attr)->index;
+
+	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
+}
+
+static ssize_t show_temp_low(struct device *dev,
+			     struct device_attribute *attr, char *buf)
+{
+	struct lm87_data *data = lm87_update_device(dev);
+	int nr = to_sensor_dev_attr(attr)->index;
+
+	return sprintf(buf, "%d\n",
+		       TEMP_FROM_REG(data->temp_low[nr]));
+}
+
+static ssize_t show_temp_high(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+	struct lm87_data *data = lm87_update_device(dev);
+	int nr = to_sensor_dev_attr(attr)->index;
+
+	return sprintf(buf, "%d\n",
+		       TEMP_FROM_REG(data->temp_high[nr]));
+}
+
+static ssize_t set_temp_low(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm87_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	int nr = to_sensor_dev_attr(attr)->index;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_low[nr] = TEMP_TO_REG(val);
 	lm87_write_value(client, LM87_REG_TEMP_LOW[nr], data->temp_low[nr]);
 	mutex_unlock(&data->update_lock);
+	return count;
 }
 
-static void set_temp_high(struct device *dev, const char *buf, int nr)
+static ssize_t set_temp_high(struct device *dev, struct device_attribute *attr,
+			     const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm87_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	int nr = to_sensor_dev_attr(attr)->index;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_high[nr] = TEMP_TO_REG(val);
 	lm87_write_value(client, LM87_REG_TEMP_HIGH[nr], data->temp_high[nr]);
 	mutex_unlock(&data->update_lock);
+	return count;
 }
 
 #define set_temp(offset) \
-static ssize_t set_temp##offset##_low(struct device *dev, struct device_attribute *attr, \
-		const char *buf, size_t count) \
-{ \
-	set_temp_low(dev, buf, offset-1); \
-	return count; \
-} \
-static ssize_t set_temp##offset##_high(struct device *dev, struct device_attribute *attr, \
-		const char *buf, size_t count) \
-{ \
-	set_temp_high(dev, buf, offset-1); \
-	return count; \
-} \
-static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
-		show_temp##offset##_high, set_temp##offset##_high); \
-static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
-		show_temp##offset##_low, set_temp##offset##_low);
+static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
+		show_temp_input, NULL, offset - 1); \
+static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
+		show_temp_high, set_temp_high, offset - 1); \
+static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
+		show_temp_low, set_temp_low, offset - 1)
 set_temp(1);
 set_temp(2);
 set_temp(3);
 
-static ssize_t show_temp_crit_int(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_crit_int(struct device *dev,
+				  struct device_attribute *attr, char *buf)
 {
 	struct lm87_data *data = lm87_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_int));
 }
 
-static ssize_t show_temp_crit_ext(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_crit_ext(struct device *dev,
+				  struct device_attribute *attr, char *buf)
 {
 	struct lm87_data *data = lm87_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_ext));
@@ -396,64 +462,95 @@ static DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit_int, NULL);
 static DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp_crit_ext, NULL);
 static DEVICE_ATTR(temp3_crit, S_IRUGO, show_temp_crit_ext, NULL);
 
-#define show_fan(offset) \
-static ssize_t show_fan##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-	struct lm87_data *data = lm87_update_device(dev); \
-	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[offset-1], \
-		       FAN_DIV_FROM_REG(data->fan_div[offset-1]))); \
-} \
-static ssize_t show_fan##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-	struct lm87_data *data = lm87_update_device(dev); \
-	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[offset-1], \
-		       FAN_DIV_FROM_REG(data->fan_div[offset-1]))); \
-} \
-static ssize_t show_fan##offset##_div(struct device *dev, struct device_attribute *attr, char *buf) \
-{ \
-	struct lm87_data *data = lm87_update_device(dev); \
-	return sprintf(buf, "%d\n", FAN_DIV_FROM_REG(data->fan_div[offset-1])); \
-} \
-static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
-		show_fan##offset##_input, NULL);
-show_fan(1);
-show_fan(2);
-
-static void set_fan_min(struct device *dev, const char *buf, int nr)
+static ssize_t show_fan_input(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+	struct lm87_data *data = lm87_update_device(dev);
+	int nr = to_sensor_dev_attr(attr)->index;
+
+	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
+		       FAN_DIV_FROM_REG(data->fan_div[nr])));
+}
+
+static ssize_t show_fan_min(struct device *dev,
+			    struct device_attribute *attr, char *buf)
+{
+	struct lm87_data *data = lm87_update_device(dev);
+	int nr = to_sensor_dev_attr(attr)->index;
+
+	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
+		       FAN_DIV_FROM_REG(data->fan_div[nr])));
+}
+
+static ssize_t show_fan_div(struct device *dev,
+			    struct device_attribute *attr, char *buf)
+{
+	struct lm87_data *data = lm87_update_device(dev);
+	int nr = to_sensor_dev_attr(attr)->index;
+
+	return sprintf(buf, "%d\n",
+		       FAN_DIV_FROM_REG(data->fan_div[nr]));
+}
+
+static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
+			   const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm87_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	int nr = to_sensor_dev_attr(attr)->index;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val,
 			    FAN_DIV_FROM_REG(data->fan_div[nr]));
 	lm87_write_value(client, LM87_REG_FAN_MIN(nr), data->fan_min[nr]);
 	mutex_unlock(&data->update_lock);
+	return count;
 }
 
-/* Note: we save and restore the fan minimum here, because its value is
-   determined in part by the fan clock divider.  This follows the principle
-   of least surprise; the user doesn't expect the fan minimum to change just
-   because the divider changed. */
-static ssize_t set_fan_div(struct device *dev, const char *buf,
-		size_t count, int nr)
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan clock divider.  This follows the principle
+ * of least surprise; the user doesn't expect the fan minimum to change just
+ * because the divider changed.
+ */
+static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
+			   const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm87_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	int nr = to_sensor_dev_attr(attr)->index;
+	long val;
+	int err;
 	unsigned long min;
 	u8 reg;
 
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
+
 	mutex_lock(&data->update_lock);
 	min = FAN_FROM_REG(data->fan_min[nr],
 			   FAN_DIV_FROM_REG(data->fan_div[nr]));
 
 	switch (val) {
-	case 1: data->fan_div[nr] = 0; break;
-	case 2: data->fan_div[nr] = 1; break;
-	case 4: data->fan_div[nr] = 2; break;
-	case 8: data->fan_div[nr] = 3; break;
+	case 1:
+		data->fan_div[nr] = 0;
+		break;
+	case 2:
+		data->fan_div[nr] = 1;
+		break;
+	case 4:
+		data->fan_div[nr] = 2;
+		break;
+	case 8:
+		data->fan_div[nr] = 3;
+		break;
 	default:
 		mutex_unlock(&data->update_lock);
 		return -EINVAL;
@@ -479,61 +576,69 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
 }
 
 #define set_fan(offset) \
-static ssize_t set_fan##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
-		size_t count) \
-{ \
-	set_fan_min(dev, buf, offset-1); \
-	return count; \
-} \
-static ssize_t set_fan##offset##_div(struct device *dev, struct device_attribute *attr, const char *buf, \
-		size_t count) \
-{ \
-	return set_fan_div(dev, buf, count, offset-1); \
-} \
-static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
-		show_fan##offset##_min, set_fan##offset##_min); \
-static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
-		show_fan##offset##_div, set_fan##offset##_div);
+static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
+		show_fan_input, NULL, offset - 1); \
+static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
+		show_fan_min, set_fan_min, offset - 1); \
+static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
+		show_fan_div, set_fan_div, offset - 1)
 set_fan(1);
 set_fan(2);
 
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+			   char *buf)
 {
 	struct lm87_data *data = lm87_update_device(dev);
 	return sprintf(buf, "%d\n", data->alarms);
 }
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
 
-static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
+			char *buf)
 {
 	struct lm87_data *data = lm87_update_device(dev);
 	return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
 }
 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
 
-static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vrm(struct device *dev, struct device_attribute *attr,
+			char *buf)
 {
 	struct lm87_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%d\n", data->vrm);
 }
-static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
+		       const char *buf, size_t count)
 {
 	struct lm87_data *data = dev_get_drvdata(dev);
-	data->vrm = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+	data->vrm = val;
 	return count;
 }
 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
 
-static ssize_t show_aout(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_aout(struct device *dev, struct device_attribute *attr,
+			 char *buf)
 {
 	struct lm87_data *data = lm87_update_device(dev);
 	return sprintf(buf, "%d\n", AOUT_FROM_REG(data->aout));
 }
-static ssize_t set_aout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_aout(struct device *dev, struct device_attribute *attr,
+			const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm87_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->aout = AOUT_TO_REG(val);
@@ -571,31 +676,31 @@ static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 15);
  */
 
 static struct attribute *lm87_attributes[] = {
-	&dev_attr_in1_input.attr,
-	&dev_attr_in1_min.attr,
-	&dev_attr_in1_max.attr,
+	&sensor_dev_attr_in1_input.dev_attr.attr,
+	&sensor_dev_attr_in1_min.dev_attr.attr,
+	&sensor_dev_attr_in1_max.dev_attr.attr,
 	&sensor_dev_attr_in1_alarm.dev_attr.attr,
-	&dev_attr_in2_input.attr,
-	&dev_attr_in2_min.attr,
-	&dev_attr_in2_max.attr,
+	&sensor_dev_attr_in2_input.dev_attr.attr,
+	&sensor_dev_attr_in2_min.dev_attr.attr,
+	&sensor_dev_attr_in2_max.dev_attr.attr,
 	&sensor_dev_attr_in2_alarm.dev_attr.attr,
-	&dev_attr_in3_input.attr,
-	&dev_attr_in3_min.attr,
-	&dev_attr_in3_max.attr,
+	&sensor_dev_attr_in3_input.dev_attr.attr,
+	&sensor_dev_attr_in3_min.dev_attr.attr,
+	&sensor_dev_attr_in3_max.dev_attr.attr,
 	&sensor_dev_attr_in3_alarm.dev_attr.attr,
-	&dev_attr_in4_input.attr,
-	&dev_attr_in4_min.attr,
-	&dev_attr_in4_max.attr,
+	&sensor_dev_attr_in4_input.dev_attr.attr,
+	&sensor_dev_attr_in4_min.dev_attr.attr,
+	&sensor_dev_attr_in4_max.dev_attr.attr,
 	&sensor_dev_attr_in4_alarm.dev_attr.attr,
 
-	&dev_attr_temp1_input.attr,
-	&dev_attr_temp1_max.attr,
-	&dev_attr_temp1_min.attr,
+	&sensor_dev_attr_temp1_input.dev_attr.attr,
+	&sensor_dev_attr_temp1_max.dev_attr.attr,
+	&sensor_dev_attr_temp1_min.dev_attr.attr,
 	&dev_attr_temp1_crit.attr,
 	&sensor_dev_attr_temp1_alarm.dev_attr.attr,
-	&dev_attr_temp2_input.attr,
-	&dev_attr_temp2_max.attr,
-	&dev_attr_temp2_min.attr,
+	&sensor_dev_attr_temp2_input.dev_attr.attr,
+	&sensor_dev_attr_temp2_max.dev_attr.attr,
+	&sensor_dev_attr_temp2_min.dev_attr.attr,
 	&dev_attr_temp2_crit.attr,
 	&sensor_dev_attr_temp2_alarm.dev_attr.attr,
 	&sensor_dev_attr_temp2_fault.dev_attr.attr,
@@ -610,70 +715,110 @@ static const struct attribute_group lm87_group = {
 	.attrs = lm87_attributes,
 };
 
-static struct attribute *lm87_attributes_opt[] = {
-	&dev_attr_in6_input.attr,
-	&dev_attr_in6_min.attr,
-	&dev_attr_in6_max.attr,
+static struct attribute *lm87_attributes_in6[] = {
+	&sensor_dev_attr_in6_input.dev_attr.attr,
+	&sensor_dev_attr_in6_min.dev_attr.attr,
+	&sensor_dev_attr_in6_max.dev_attr.attr,
 	&sensor_dev_attr_in6_alarm.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group lm87_group_in6 = {
+	.attrs = lm87_attributes_in6,
+};
 
-	&dev_attr_fan1_input.attr,
-	&dev_attr_fan1_min.attr,
-	&dev_attr_fan1_div.attr,
+static struct attribute *lm87_attributes_fan1[] = {
+	&sensor_dev_attr_fan1_input.dev_attr.attr,
+	&sensor_dev_attr_fan1_min.dev_attr.attr,
+	&sensor_dev_attr_fan1_div.dev_attr.attr,
 	&sensor_dev_attr_fan1_alarm.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group lm87_group_fan1 = {
+	.attrs = lm87_attributes_fan1,
+};
 
-	&dev_attr_in7_input.attr,
-	&dev_attr_in7_min.attr,
-	&dev_attr_in7_max.attr,
+static struct attribute *lm87_attributes_in7[] = {
+	&sensor_dev_attr_in7_input.dev_attr.attr,
+	&sensor_dev_attr_in7_min.dev_attr.attr,
+	&sensor_dev_attr_in7_max.dev_attr.attr,
 	&sensor_dev_attr_in7_alarm.dev_attr.attr,
+	NULL
+};
 
-	&dev_attr_fan2_input.attr,
-	&dev_attr_fan2_min.attr,
-	&dev_attr_fan2_div.attr,
+static const struct attribute_group lm87_group_in7 = {
+	.attrs = lm87_attributes_in7,
+};
+
+static struct attribute *lm87_attributes_fan2[] = {
+	&sensor_dev_attr_fan2_input.dev_attr.attr,
+	&sensor_dev_attr_fan2_min.dev_attr.attr,
+	&sensor_dev_attr_fan2_div.dev_attr.attr,
 	&sensor_dev_attr_fan2_alarm.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group lm87_group_fan2 = {
+	.attrs = lm87_attributes_fan2,
+};
 
-	&dev_attr_temp3_input.attr,
-	&dev_attr_temp3_max.attr,
-	&dev_attr_temp3_min.attr,
+static struct attribute *lm87_attributes_temp3[] = {
+	&sensor_dev_attr_temp3_input.dev_attr.attr,
+	&sensor_dev_attr_temp3_max.dev_attr.attr,
+	&sensor_dev_attr_temp3_min.dev_attr.attr,
 	&dev_attr_temp3_crit.attr,
 	&sensor_dev_attr_temp3_alarm.dev_attr.attr,
 	&sensor_dev_attr_temp3_fault.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group lm87_group_temp3 = {
+	.attrs = lm87_attributes_temp3,
+};
 
-	&dev_attr_in0_input.attr,
-	&dev_attr_in0_min.attr,
-	&dev_attr_in0_max.attr,
+static struct attribute *lm87_attributes_in0_5[] = {
+	&sensor_dev_attr_in0_input.dev_attr.attr,
+	&sensor_dev_attr_in0_min.dev_attr.attr,
+	&sensor_dev_attr_in0_max.dev_attr.attr,
 	&sensor_dev_attr_in0_alarm.dev_attr.attr,
-	&dev_attr_in5_input.attr,
-	&dev_attr_in5_min.attr,
-	&dev_attr_in5_max.attr,
+	&sensor_dev_attr_in5_input.dev_attr.attr,
+	&sensor_dev_attr_in5_min.dev_attr.attr,
+	&sensor_dev_attr_in5_max.dev_attr.attr,
 	&sensor_dev_attr_in5_alarm.dev_attr.attr,
+	NULL
+};
 
+static const struct attribute_group lm87_group_in0_5 = {
+	.attrs = lm87_attributes_in0_5,
+};
+
+static struct attribute *lm87_attributes_vid[] = {
 	&dev_attr_cpu0_vid.attr,
 	&dev_attr_vrm.attr,
-
 	NULL
 };
 
-static const struct attribute_group lm87_group_opt = {
-	.attrs = lm87_attributes_opt,
+static const struct attribute_group lm87_group_vid = {
+	.attrs = lm87_attributes_vid,
 };
 
 /* Return 0 if detection is successful, -ENODEV otherwise */
-static int lm87_detect(struct i2c_client *new_client,
-		       struct i2c_board_info *info)
+static int lm87_detect(struct i2c_client *client, struct i2c_board_info *info)
 {
-	struct i2c_adapter *adapter = new_client->adapter;
+	struct i2c_adapter *adapter = client->adapter;
 	const char *name;
 	u8 cid, rev;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
 
-	if (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80)
+	if (lm87_read_value(client, LM87_REG_CONFIG) & 0x80)
 		return -ENODEV;
 
 	/* Now, we do the remaining detection. */
-	cid = lm87_read_value(new_client, LM87_REG_COMPANY_ID);
-	rev = lm87_read_value(new_client, LM87_REG_REVISION);
+	cid = lm87_read_value(client, LM87_REG_COMPANY_ID);
+	rev = lm87_read_value(client, LM87_REG_REVISION);
 
 	if (cid == 0x02			/* National Semiconductor */
 	 && (rev >= 0x01 && rev <= 0x08))
@@ -683,7 +828,7 @@ static int lm87_detect(struct i2c_client *new_client,
 		name = "adm1024";
 	else {
 		dev_dbg(&adapter->dev, "LM87 detection failed at 0x%02x\n",
-			new_client->addr);
+			client->addr);
 		return -ENODEV;
 	}
 
@@ -692,8 +837,63 @@ static int lm87_detect(struct i2c_client *new_client,
 	return 0;
 }
 
-static int lm87_probe(struct i2c_client *new_client,
-		      const struct i2c_device_id *id)
+static void lm87_remove_files(struct i2c_client *client)
+{
+	struct device *dev = &client->dev;
+
+	sysfs_remove_group(&dev->kobj, &lm87_group);
+	sysfs_remove_group(&dev->kobj, &lm87_group_in6);
+	sysfs_remove_group(&dev->kobj, &lm87_group_fan1);
+	sysfs_remove_group(&dev->kobj, &lm87_group_in7);
+	sysfs_remove_group(&dev->kobj, &lm87_group_fan2);
+	sysfs_remove_group(&dev->kobj, &lm87_group_temp3);
+	sysfs_remove_group(&dev->kobj, &lm87_group_in0_5);
+	sysfs_remove_group(&dev->kobj, &lm87_group_vid);
+}
+
+static void lm87_init_client(struct i2c_client *client)
+{
+	struct lm87_data *data = i2c_get_clientdata(client);
+
+	if (client->dev.platform_data) {
+		data->channel = *(u8 *)client->dev.platform_data;
+		lm87_write_value(client,
+				 LM87_REG_CHANNEL_MODE, data->channel);
+	} else {
+		data->channel = lm87_read_value(client, LM87_REG_CHANNEL_MODE);
+	}
+	data->config = lm87_read_value(client, LM87_REG_CONFIG) & 0x6F;
+
+	if (!(data->config & 0x01)) {
+		int i;
+
+		/* Limits are left uninitialized after power-up */
+		for (i = 1; i < 6; i++) {
+			lm87_write_value(client, LM87_REG_IN_MIN(i), 0x00);
+			lm87_write_value(client, LM87_REG_IN_MAX(i), 0xFF);
+		}
+		for (i = 0; i < 2; i++) {
+			lm87_write_value(client, LM87_REG_TEMP_HIGH[i], 0x7F);
+			lm87_write_value(client, LM87_REG_TEMP_LOW[i], 0x00);
+			lm87_write_value(client, LM87_REG_AIN_MIN(i), 0x00);
+			lm87_write_value(client, LM87_REG_AIN_MAX(i), 0xFF);
+		}
+		if (data->channel & CHAN_TEMP3) {
+			lm87_write_value(client, LM87_REG_TEMP_HIGH[2], 0x7F);
+			lm87_write_value(client, LM87_REG_TEMP_LOW[2], 0x00);
+		} else {
+			lm87_write_value(client, LM87_REG_IN_MIN(0), 0x00);
+			lm87_write_value(client, LM87_REG_IN_MAX(0), 0xFF);
+		}
+	}
+
+	/* Make sure Start is set and INT#_Clear is clear */
+	if ((data->config & 0x09) != 0x01)
+		lm87_write_value(client, LM87_REG_CONFIG,
+				 (data->config & 0x77) | 0x01);
+}
+
+static int lm87_probe(struct i2c_client *client, const struct i2c_device_id *id)
 {
 	struct lm87_data *data;
 	int err;
@@ -704,12 +904,12 @@ static int lm87_probe(struct i2c_client *new_client,
 		goto exit;
 	}
 
-	i2c_set_clientdata(new_client, data);
+	i2c_set_clientdata(client, data);
 	data->valid = 0;
 	mutex_init(&data->update_lock);
 
 	/* Initialize the LM87 chip */
-	lm87_init_client(new_client);
+	lm87_init_client(client);
 
 	data->in_scale[0] = 2500;
 	data->in_scale[1] = 2700;
@@ -721,97 +921,48 @@ static int lm87_probe(struct i2c_client *new_client,
 	data->in_scale[7] = 1875;
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&new_client->dev.kobj, &lm87_group)))
+	err = sysfs_create_group(&client->dev.kobj, &lm87_group);
+	if (err)
 		goto exit_free;
 
 	if (data->channel & CHAN_NO_FAN(0)) {
-		if ((err = device_create_file(&new_client->dev,
-					&dev_attr_in6_input))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_in6_min))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_in6_max))
-		 || (err = device_create_file(&new_client->dev,
-					&sensor_dev_attr_in6_alarm.dev_attr)))
+		err = sysfs_create_group(&client->dev.kobj, &lm87_group_in6);
+		if (err)
 			goto exit_remove;
 	} else {
-		if ((err = device_create_file(&new_client->dev,
-					&dev_attr_fan1_input))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_fan1_min))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_fan1_div))
-		 || (err = device_create_file(&new_client->dev,
-					&sensor_dev_attr_fan1_alarm.dev_attr)))
+		err = sysfs_create_group(&client->dev.kobj, &lm87_group_fan1);
+		if (err)
 			goto exit_remove;
 	}
 
 	if (data->channel & CHAN_NO_FAN(1)) {
-		if ((err = device_create_file(&new_client->dev,
-					&dev_attr_in7_input))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_in7_min))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_in7_max))
-		 || (err = device_create_file(&new_client->dev,
-					&sensor_dev_attr_in7_alarm.dev_attr)))
+		err = sysfs_create_group(&client->dev.kobj, &lm87_group_in7);
+		if (err)
 			goto exit_remove;
 	} else {
-		if ((err = device_create_file(&new_client->dev,
-					&dev_attr_fan2_input))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_fan2_min))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_fan2_div))
-		 || (err = device_create_file(&new_client->dev,
-					&sensor_dev_attr_fan2_alarm.dev_attr)))
+		err = sysfs_create_group(&client->dev.kobj, &lm87_group_fan2);
+		if (err)
 			goto exit_remove;
 	}
 
 	if (data->channel & CHAN_TEMP3) {
-		if ((err = device_create_file(&new_client->dev,
-					&dev_attr_temp3_input))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_temp3_max))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_temp3_min))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_temp3_crit))
-		 || (err = device_create_file(&new_client->dev,
-					&sensor_dev_attr_temp3_alarm.dev_attr))
-		 || (err = device_create_file(&new_client->dev,
-					&sensor_dev_attr_temp3_fault.dev_attr)))
+		err = sysfs_create_group(&client->dev.kobj, &lm87_group_temp3);
+		if (err)
 			goto exit_remove;
 	} else {
-		if ((err = device_create_file(&new_client->dev,
-					&dev_attr_in0_input))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_in0_min))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_in0_max))
-		 || (err = device_create_file(&new_client->dev,
-					&sensor_dev_attr_in0_alarm.dev_attr))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_in5_input))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_in5_min))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_in5_max))
-		 || (err = device_create_file(&new_client->dev,
-					&sensor_dev_attr_in5_alarm.dev_attr)))
+		err = sysfs_create_group(&client->dev.kobj, &lm87_group_in0_5);
+		if (err)
 			goto exit_remove;
 	}
 
 	if (!(data->channel & CHAN_NO_VID)) {
 		data->vrm = vid_which_vrm();
-		if ((err = device_create_file(&new_client->dev,
-					&dev_attr_cpu0_vid))
-		 || (err = device_create_file(&new_client->dev,
-					&dev_attr_vrm)))
+		err = sysfs_create_group(&client->dev.kobj, &lm87_group_vid);
+		if (err)
 			goto exit_remove;
 	}
 
-	data->hwmon_dev = hwmon_device_register(&new_client->dev);
+	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
 		err = PTR_ERR(data->hwmon_dev);
 		goto exit_remove;
@@ -820,162 +971,51 @@ static int lm87_probe(struct i2c_client *new_client,
 	return 0;
 
 exit_remove:
-	sysfs_remove_group(&new_client->dev.kobj, &lm87_group);
-	sysfs_remove_group(&new_client->dev.kobj, &lm87_group_opt);
+	lm87_remove_files(client);
 exit_free:
-	lm87_write_value(new_client, LM87_REG_CONFIG, data->config);
+	lm87_write_value(client, LM87_REG_CONFIG, data->config);
 	kfree(data);
 exit:
 	return err;
 }
 
-static void lm87_init_client(struct i2c_client *client)
-{
-	struct lm87_data *data = i2c_get_clientdata(client);
-
-	if (client->dev.platform_data) {
-		data->channel = *(u8 *)client->dev.platform_data;
-		lm87_write_value(client,
-				 LM87_REG_CHANNEL_MODE, data->channel);
-	} else {
-		data->channel = lm87_read_value(client, LM87_REG_CHANNEL_MODE);
-	}
-	data->config = lm87_read_value(client, LM87_REG_CONFIG) & 0x6F;
-
-	if (!(data->config & 0x01)) {
-		int i;
-
-		/* Limits are left uninitialized after power-up */
-		for (i = 1; i < 6; i++) {
-			lm87_write_value(client, LM87_REG_IN_MIN(i), 0x00);
-			lm87_write_value(client, LM87_REG_IN_MAX(i), 0xFF);
-		}
-		for (i = 0; i < 2; i++) {
-			lm87_write_value(client, LM87_REG_TEMP_HIGH[i], 0x7F);
-			lm87_write_value(client, LM87_REG_TEMP_LOW[i], 0x00);
-			lm87_write_value(client, LM87_REG_AIN_MIN(i), 0x00);
-			lm87_write_value(client, LM87_REG_AIN_MAX(i), 0xFF);
-		}
-		if (data->channel & CHAN_TEMP3) {
-			lm87_write_value(client, LM87_REG_TEMP_HIGH[2], 0x7F);
-			lm87_write_value(client, LM87_REG_TEMP_LOW[2], 0x00);
-		} else {
-			lm87_write_value(client, LM87_REG_IN_MIN(0), 0x00);
-			lm87_write_value(client, LM87_REG_IN_MAX(0), 0xFF);
-		}
-	}
-
-	/* Make sure Start is set and INT#_Clear is clear */
-	if ((data->config & 0x09) != 0x01)
-		lm87_write_value(client, LM87_REG_CONFIG,
-				 (data->config & 0x77) | 0x01);
-}
-
 static int lm87_remove(struct i2c_client *client)
 {
 	struct lm87_data *data = i2c_get_clientdata(client);
 
 	hwmon_device_unregister(data->hwmon_dev);
-	sysfs_remove_group(&client->dev.kobj, &lm87_group);
-	sysfs_remove_group(&client->dev.kobj, &lm87_group_opt);
+	lm87_remove_files(client);
 
 	lm87_write_value(client, LM87_REG_CONFIG, data->config);
 	kfree(data);
 	return 0;
 }
 
-static struct lm87_data *lm87_update_device(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct lm87_data *data = i2c_get_clientdata(client);
-
-	mutex_lock(&data->update_lock);
-
-	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
-		int i, j;
-
-		dev_dbg(&client->dev, "Updating data.\n");
-
-		i = (data->channel & CHAN_TEMP3) ? 1 : 0;
-		j = (data->channel & CHAN_TEMP3) ? 5 : 6;
-		for (; i < j; i++) {
-			data->in[i] = lm87_read_value(client,
-				      LM87_REG_IN(i));
-			data->in_min[i] = lm87_read_value(client,
-					  LM87_REG_IN_MIN(i));
-			data->in_max[i] = lm87_read_value(client,
-					  LM87_REG_IN_MAX(i));
-		}
-
-		for (i = 0; i < 2; i++) {
-			if (data->channel & CHAN_NO_FAN(i)) {
-				data->in[6+i] = lm87_read_value(client,
-						LM87_REG_AIN(i));
-				data->in_max[6+i] = lm87_read_value(client,
-						    LM87_REG_AIN_MAX(i));
-				data->in_min[6+i] = lm87_read_value(client,
-						    LM87_REG_AIN_MIN(i));
-
-			} else {
-				data->fan[i] = lm87_read_value(client,
-					       LM87_REG_FAN(i));
-				data->fan_min[i] = lm87_read_value(client,
-						   LM87_REG_FAN_MIN(i));
-			}
-		}
-
-		j = (data->channel & CHAN_TEMP3) ? 3 : 2;
-		for (i = 0 ; i < j; i++) {
-			data->temp[i] = lm87_read_value(client,
-					LM87_REG_TEMP[i]);
-			data->temp_high[i] = lm87_read_value(client,
-					     LM87_REG_TEMP_HIGH[i]);
-			data->temp_low[i] = lm87_read_value(client,
-					    LM87_REG_TEMP_LOW[i]);
-		}
-
-		i = lm87_read_value(client, LM87_REG_TEMP_HW_INT_LOCK);
-		j = lm87_read_value(client, LM87_REG_TEMP_HW_INT);
-		data->temp_crit_int = min(i, j);
-
-		i = lm87_read_value(client, LM87_REG_TEMP_HW_EXT_LOCK);
-		j = lm87_read_value(client, LM87_REG_TEMP_HW_EXT);
-		data->temp_crit_ext = min(i, j);
-
-		i = lm87_read_value(client, LM87_REG_VID_FAN_DIV);
-		data->fan_div[0] = (i >> 4) & 0x03;
-		data->fan_div[1] = (i >> 6) & 0x03;
-		data->vid = (i & 0x0F)
-			  | (lm87_read_value(client, LM87_REG_VID4) & 0x01)
-			     << 4;
-
-		data->alarms = lm87_read_value(client, LM87_REG_ALARMS1)
-			     | (lm87_read_value(client, LM87_REG_ALARMS2)
-				<< 8);
-		data->aout = lm87_read_value(client, LM87_REG_AOUT);
-
-		data->last_updated = jiffies;
-		data->valid = 1;
-	}
-
-	mutex_unlock(&data->update_lock);
+/*
+ * Driver data (common to all clients)
+ */
 
-	return data;
-}
+static const struct i2c_device_id lm87_id[] = {
+	{ "lm87", lm87 },
+	{ "adm1024", adm1024 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, lm87_id);
 
-static int __init sensors_lm87_init(void)
-{
-	return i2c_add_driver(&lm87_driver);
-}
+static struct i2c_driver lm87_driver = {
+	.class		= I2C_CLASS_HWMON,
+	.driver = {
+		.name	= "lm87",
+	},
+	.probe		= lm87_probe,
+	.remove		= lm87_remove,
+	.id_table	= lm87_id,
+	.detect		= lm87_detect,
+	.address_list	= normal_i2c,
+};
 
-static void __exit sensors_lm87_exit(void)
-{
-	i2c_del_driver(&lm87_driver);
-}
+module_i2c_driver(lm87_driver);
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org> and others");
 MODULE_DESCRIPTION("LM87 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_lm87_init);
-module_exit(sensors_lm87_exit);
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index d2dd5f90496d..248f2b40dfaf 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1514,19 +1514,8 @@ static struct i2c_driver lm90_driver = {
 	.address_list	= normal_i2c,
 };
 
-static int __init sensors_lm90_init(void)
-{
-	return i2c_add_driver(&lm90_driver);
-}
-
-static void __exit sensors_lm90_exit(void)
-{
-	i2c_del_driver(&lm90_driver);
-}
+module_i2c_driver(lm90_driver);
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("LM90/ADM1032 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_lm90_init);
-module_exit(sensors_lm90_exit);
diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
index 8fcbd4d422c5..fdc691a4028f 100644
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -49,8 +49,10 @@
 #include <linux/err.h>
 #include <linux/mutex.h>
 
-/* The LM92 and MAX6635 have 2 two-state pins for address selection,
-   resulting in 4 possible addresses. */
+/*
+ * The LM92 and MAX6635 have 2 two-state pins for address selection,
+ * resulting in 4 possible addresses.
+ */
 static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
 						I2C_CLIENT_END };
 
@@ -63,11 +65,13 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
 #define LM92_REG_TEMP_HIGH		0x05 /* 16-bit, RW */
 #define LM92_REG_MAN_ID			0x07 /* 16-bit, RO, LM92 only */
 
-/* The LM92 uses signed 13-bit values with LSB = 0.0625 degree Celsius,
-   left-justified in 16-bit registers. No rounding is done, with such
-   a resolution it's just not worth it. Note that the MAX6635 doesn't
-   make use of the 4 lower bits for limits (i.e. effective resolution
-   for limits is 1 degree Celsius). */
+/*
+ * The LM92 uses signed 13-bit values with LSB = 0.0625 degree Celsius,
+ * left-justified in 16-bit registers. No rounding is done, with such
+ * a resolution it's just not worth it. Note that the MAX6635 doesn't
+ * make use of the 4 lower bits for limits (i.e. effective resolution
+ * for limits is 1 degree Celsius).
+ */
 static inline int TEMP_FROM_REG(s16 reg)
 {
 	return reg / 8 * 625 / 10;
@@ -138,7 +142,8 @@ static struct lm92_data *lm92_update_device(struct device *dev)
 }
 
 #define show_temp(value) \
-static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_##value(struct device *dev, struct device_attribute *attr, \
+			    char *buf) \
 { \
 	struct lm92_data *data = lm92_update_device(dev); \
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \
@@ -149,13 +154,17 @@ show_temp(temp1_min);
 show_temp(temp1_max);
 
 #define set_temp(value, reg) \
-static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, \
+static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \
+			   const char *buf, \
 	size_t count) \
 { \
 	struct i2c_client *client = to_i2c_client(dev); \
 	struct lm92_data *data = i2c_get_clientdata(client); \
-	long val = simple_strtol(buf, NULL, 10); \
- \
+	long val; \
+	int err = kstrtol(buf, 10, &val); \
+	if (err) \
+		return err; \
+\
 	mutex_lock(&data->update_lock); \
 	data->value = TEMP_TO_REG(val); \
 	i2c_smbus_write_word_swapped(client, reg, data->value); \
@@ -166,31 +175,40 @@ set_temp(temp1_crit, LM92_REG_TEMP_CRIT);
 set_temp(temp1_min, LM92_REG_TEMP_LOW);
 set_temp(temp1_max, LM92_REG_TEMP_HIGH);
 
-static ssize_t show_temp1_crit_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp1_crit_hyst(struct device *dev,
+				    struct device_attribute *attr, char *buf)
 {
 	struct lm92_data *data = lm92_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_crit)
 		       - TEMP_FROM_REG(data->temp1_hyst));
 }
-static ssize_t show_temp1_max_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp1_max_hyst(struct device *dev,
+				   struct device_attribute *attr, char *buf)
 {
 	struct lm92_data *data = lm92_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_max)
 		       - TEMP_FROM_REG(data->temp1_hyst));
 }
-static ssize_t show_temp1_min_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp1_min_hyst(struct device *dev,
+				   struct device_attribute *attr, char *buf)
 {
 	struct lm92_data *data = lm92_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_min)
 		       + TEMP_FROM_REG(data->temp1_hyst));
 }
 
-static ssize_t set_temp1_crit_hyst(struct device *dev, struct device_attribute *attr, const char *buf,
-	size_t count)
+static ssize_t set_temp1_crit_hyst(struct device *dev,
+				   struct device_attribute *attr,
+				   const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm92_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp1_hyst = TEMP_FROM_REG(data->temp1_crit) - val;
@@ -200,7 +218,8 @@ static ssize_t set_temp1_crit_hyst(struct device *dev, struct device_attribute *
 	return count;
 }
 
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+			   char *buf)
 {
 	struct lm92_data *data = lm92_update_device(dev);
 	return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->temp1_input));
@@ -246,26 +265,30 @@ static void lm92_init_client(struct i2c_client *client)
 					  config & 0xFE);
 }
 
-/* The MAX6635 has no identification register, so we have to use tricks
-   to identify it reliably. This is somewhat slow.
-   Note that we do NOT rely on the 2 MSB of the configuration register
-   always reading 0, as suggested by the datasheet, because it was once
-   reported not to be true. */
+/*
+ * The MAX6635 has no identification register, so we have to use tricks
+ * to identify it reliably. This is somewhat slow.
+ * Note that we do NOT rely on the 2 MSB of the configuration register
+ * always reading 0, as suggested by the datasheet, because it was once
+ * reported not to be true.
+ */
 static int max6635_check(struct i2c_client *client)
 {
 	u16 temp_low, temp_high, temp_hyst, temp_crit;
 	u8 conf;
 	int i;
 
-	/* No manufacturer ID register, so a read from this address will
-	   always return the last read value. */
+	/*
+	 * No manufacturer ID register, so a read from this address will
+	 * always return the last read value.
+	 */
 	temp_low = i2c_smbus_read_word_data(client, LM92_REG_TEMP_LOW);
 	if (i2c_smbus_read_word_data(client, LM92_REG_MAN_ID) != temp_low)
 		return 0;
 	temp_high = i2c_smbus_read_word_data(client, LM92_REG_TEMP_HIGH);
 	if (i2c_smbus_read_word_data(client, LM92_REG_MAN_ID) != temp_high)
 		return 0;
-	
+
 	/* Limits are stored as integer values (signed, 9-bit). */
 	if ((temp_low & 0x7f00) || (temp_high & 0x7f00))
 		return 0;
@@ -274,22 +297,24 @@ static int max6635_check(struct i2c_client *client)
 	if ((temp_hyst & 0x7f00) || (temp_crit & 0x7f00))
 		return 0;
 
-	/* Registers addresses were found to cycle over 16-byte boundaries.
-	   We don't test all registers with all offsets so as to save some
-	   reads and time, but this should still be sufficient to dismiss
-	   non-MAX6635 chips. */
+	/*
+	 * Registers addresses were found to cycle over 16-byte boundaries.
+	 * We don't test all registers with all offsets so as to save some
+	 * reads and time, but this should still be sufficient to dismiss
+	 * non-MAX6635 chips.
+	 */
 	conf = i2c_smbus_read_byte_data(client, LM92_REG_CONFIG);
-	for (i=16; i<96; i*=2) {
+	for (i = 16; i < 96; i *= 2) {
 		if (temp_hyst != i2c_smbus_read_word_data(client,
-		 		 LM92_REG_TEMP_HYST + i - 16)
+				 LM92_REG_TEMP_HYST + i - 16)
 		 || temp_crit != i2c_smbus_read_word_data(client,
-		 		 LM92_REG_TEMP_CRIT + i)
+				 LM92_REG_TEMP_CRIT + i)
 		 || temp_low != i2c_smbus_read_word_data(client,
 				LM92_REG_TEMP_LOW + i + 16)
 		 || temp_high != i2c_smbus_read_word_data(client,
-		 		 LM92_REG_TEMP_HIGH + i + 32)
+				 LM92_REG_TEMP_HIGH + i + 32)
 		 || conf != i2c_smbus_read_byte_data(client,
-		 	    LM92_REG_CONFIG + i))
+			    LM92_REG_CONFIG + i))
 			return 0;
 	}
 
@@ -362,7 +387,8 @@ static int lm92_probe(struct i2c_client *new_client,
 	lm92_init_client(new_client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&new_client->dev.kobj, &lm92_group)))
+	err = sysfs_create_group(&new_client->dev.kobj, &lm92_group);
+	if (err)
 		goto exit_free;
 
 	data->hwmon_dev = hwmon_device_register(&new_client->dev);
@@ -416,19 +442,8 @@ static struct i2c_driver lm92_driver = {
 	.address_list	= normal_i2c,
 };
 
-static int __init sensors_lm92_init(void)
-{
-	return i2c_add_driver(&lm92_driver);
-}
-
-static void __exit sensors_lm92_exit(void)
-{
-	i2c_del_driver(&lm92_driver);
-}
+module_i2c_driver(lm92_driver);
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("LM92/MAX6635 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_lm92_init);
-module_exit(sensors_lm92_exit);
diff --git a/drivers/hwmon/lm93.c b/drivers/hwmon/lm93.c
index 8bd6c5c9e05b..67e8fe256e02 100644
--- a/drivers/hwmon/lm93.c
+++ b/drivers/hwmon/lm93.c
@@ -1,42 +1,42 @@
 /*
-    lm93.c - Part of lm_sensors, Linux kernel modules for hardware monitoring
-
-    Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com>
-	Copyright (c) 2004 Utilitek Systems, Inc.
-
-    derived in part from lm78.c:
-	Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
-
-    derived in part from lm85.c:
-	Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
-	Copyright (c) 2003       Margit Schubert-While <margitsw@t-online.de>
-
-    derived in part from w83l785ts.c:
-	Copyright (c) 2003-2004 Jean Delvare <khali@linux-fr.org>
-
-    Ported to Linux 2.6 by Eric J. Bowersox <ericb@aspsys.com>
-	Copyright (c) 2005 Aspen Systems, Inc.
-
-    Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org>
-        Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab
-
-    Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de>
-        Copyright (c) 2007 Hans J. Koch, Linutronix GmbH
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * lm93.c - Part of lm_sensors, Linux kernel modules for hardware monitoring
+ *
+ * Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com>
+ *	Copyright (c) 2004 Utilitek Systems, Inc.
+ *
+ * derived in part from lm78.c:
+ *	Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
+ *
+ * derived in part from lm85.c:
+ *	Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
+ *	Copyright (c) 2003       Margit Schubert-While <margitsw@t-online.de>
+ *
+ * derived in part from w83l785ts.c:
+ *	Copyright (c) 2003-2004 Jean Delvare <khali@linux-fr.org>
+ *
+ * Ported to Linux 2.6 by Eric J. Bowersox <ericb@aspsys.com>
+ *	Copyright (c) 2005 Aspen Systems, Inc.
+ *
+ * Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org>
+ *	Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab
+ *
+ * Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de>
+ *	Copyright (c) 2007 Hans J. Koch, Linutronix GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -83,7 +83,7 @@
 #define LM93_REG_FAN_MIN(nr)		(0xb4 + (nr) * 2)
 
 /* pwm outputs: pwm1-pwm2 (nr => 0-1, reg => 0-3) */
-#define LM93_REG_PWM_CTL(nr,reg)	(0xc8 + (reg) + (nr) * 4)
+#define LM93_REG_PWM_CTL(nr, reg)	(0xc8 + (reg) + (nr) * 4)
 #define LM93_PWM_CTL1	0x0
 #define LM93_PWM_CTL2	0x1
 #define LM93_PWM_CTL3	0x2
@@ -160,7 +160,7 @@ static bool init;
 module_param(init, bool, 0);
 MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization.");
 
-static int vccp_limit_type[2] = {0,0};
+static int vccp_limit_type[2] = {0, 0};
 module_param_array(vccp_limit_type, int, NULL, 0);
 MODULE_PARM_DESC(vccp_limit_type, "Configures in7 and in8 limit modes.");
 
@@ -187,8 +187,10 @@ static const struct { u8 cmd; u8 len; } lm93_block_read_cmds[12] = {
 	{ 0xfd,  9 },
 };
 
-/* ALARMS: SYSCTL format described further below
-   REG: 64 bits in 8 registers, as immediately below */
+/*
+ * ALARMS: SYSCTL format described further below
+ * REG: 64 bits in 8 registers, as immediately below
+ */
 struct block1_t {
 	u8 host_status_1;
 	u8 host_status_2;
@@ -217,8 +219,10 @@ struct lm93_data {
 	/* register values, arranged by block read groups */
 	struct block1_t block1;
 
-	/* temp1 - temp4: unfiltered readings
-	   temp1 - temp2: filtered readings */
+	/*
+	 * temp1 - temp4: unfiltered readings
+	 * temp1 - temp2: filtered readings
+	 */
 	u8 block2[6];
 
 	/* vin1 - vin16: readings */
@@ -295,14 +299,18 @@ struct lm93_data {
 	u8 sfc2;
 	u8 sf_tach_to_pwm;
 
-	/* The two PWM CTL2  registers can read something other than what was
-	   last written for the OVR_DC field (duty cycle override).  So, we
-	   save the user-commanded value here. */
+	/*
+	 * The two PWM CTL2  registers can read something other than what was
+	 * last written for the OVR_DC field (duty cycle override).  So, we
+	 * save the user-commanded value here.
+	 */
 	u8 pwm_override[2];
 };
 
-/* VID:	mV
-   REG: 6-bits, right justified, *always* using Intel VRM/VRD 10 */
+/*
+ * VID:	mV
+ * REG: 6-bits, right justified, *always* using Intel VRM/VRD 10
+ */
 static int LM93_VID_FROM_REG(u8 reg)
 {
 	return vid_from_reg((reg & 0x3f), 100);
@@ -317,12 +325,13 @@ static const u8 lm93_vin_reg_max[16] = {
 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
 	0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd1,
 };
-/* Values from the datasheet. They're here for documentation only.
-static const u8 lm93_vin_reg_nom[16] = {
-	0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
-	0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0,
-};
-*/
+/*
+ * Values from the datasheet. They're here for documentation only.
+ * static const u8 lm93_vin_reg_nom[16] = {
+ * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
+ * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0,
+ * };
+ */
 
 /* min, max, and nominal voltage readings, per channel (mV)*/
 static const unsigned long lm93_vin_val_min[16] = {
@@ -334,12 +343,13 @@ static const unsigned long lm93_vin_val_max[16] = {
 	1236, 1236, 1236, 1600, 2000, 2000, 1600, 1600,
 	4400, 6500, 3333, 2625, 1312, 1312, 1236, 3600,
 };
-/* Values from the datasheet. They're here for documentation only.
-static const unsigned long lm93_vin_val_nom[16] = {
-	 927,  927,  927, 1200, 1500, 1500, 1200, 1200,
-	3300, 5000, 2500, 1969,  984,  984,  309, 3300,
-};
-*/
+/*
+ * Values from the datasheet. They're here for documentation only.
+ * static const unsigned long lm93_vin_val_nom[16] = {
+ * 927,  927,  927, 1200, 1500, 1500, 1200, 1200,
+ * 3300, 5000, 2500, 1969,  984,  984,  309, 3300,
+ * };
+ */
 
 static unsigned LM93_IN_FROM_REG(int nr, u8 reg)
 {
@@ -353,8 +363,10 @@ static unsigned LM93_IN_FROM_REG(int nr, u8 reg)
 	return (slope * reg + intercept + 500) / 1000;
 }
 
-/* IN: mV, limits determined by channel nr
-   REG: scaling determined by channel nr */
+/*
+ * IN: mV, limits determined by channel nr
+ * REG: scaling determined by channel nr
+ */
 static u8 LM93_IN_TO_REG(int nr, unsigned val)
 {
 	/* range limit */
@@ -386,12 +398,14 @@ static unsigned LM93_IN_REL_FROM_REG(u8 reg, int upper, int vid)
 	return (uV_vid + uV_offset + 5000) / 10000;
 }
 
-#define LM93_IN_MIN_FROM_REG(reg,vid)	LM93_IN_REL_FROM_REG(reg,0,vid)
-#define LM93_IN_MAX_FROM_REG(reg,vid)	LM93_IN_REL_FROM_REG(reg,1,vid)
+#define LM93_IN_MIN_FROM_REG(reg, vid)	LM93_IN_REL_FROM_REG((reg), 0, (vid))
+#define LM93_IN_MAX_FROM_REG(reg, vid)	LM93_IN_REL_FROM_REG((reg), 1, (vid))
 
-/* vid in mV , upper == 0 indicates low limit, otherwise upper limit
-   upper also determines which nibble of the register is returned
-   (the other nibble will be 0x0) */
+/*
+ * vid in mV , upper == 0 indicates low limit, otherwise upper limit
+ * upper also determines which nibble of the register is returned
+ * (the other nibble will be 0x0)
+ */
 static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid)
 {
 	long uV_offset = vid * 1000 - val * 10000;
@@ -404,22 +418,26 @@ static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid)
 	}
 }
 
-/* TEMP: 1/1000 degrees C (-128C to +127C)
-   REG: 1C/bit, two's complement */
+/*
+ * TEMP: 1/1000 degrees C (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
 static int LM93_TEMP_FROM_REG(u8 reg)
 {
 	return (s8)reg * 1000;
 }
 
 #define LM93_TEMP_MIN (-128000)
-#define LM93_TEMP_MAX ( 127000)
+#define LM93_TEMP_MAX (127000)
 
-/* TEMP: 1/1000 degrees C (-128C to +127C)
-   REG: 1C/bit, two's complement */
+/*
+ * TEMP: 1/1000 degrees C (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
 static u8 LM93_TEMP_TO_REG(long temp)
 {
 	int ntemp = SENSORS_LIMIT(temp, LM93_TEMP_MIN, LM93_TEMP_MAX);
-	ntemp += (ntemp<0 ? -500 : 500);
+	ntemp += (ntemp < 0 ? -500 : 500);
 	return (u8)(ntemp / 1000);
 }
 
@@ -430,21 +448,25 @@ static int LM93_TEMP_OFFSET_MODE_FROM_REG(u8 sfc2, int nr)
 	return sfc2 & (nr < 2 ? 0x10 : 0x20);
 }
 
-/* This function is common to all 4-bit temperature offsets
-   reg is 4 bits right justified
-   mode 0 => 1C/bit, mode !0 => 0.5C/bit */
+/*
+ * This function is common to all 4-bit temperature offsets
+ * reg is 4 bits right justified
+ * mode 0 => 1C/bit, mode !0 => 0.5C/bit
+ */
 static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode)
 {
 	return (reg & 0x0f) * (mode ? 5 : 10);
 }
 
-#define LM93_TEMP_OFFSET_MIN  (  0)
+#define LM93_TEMP_OFFSET_MIN  (0)
 #define LM93_TEMP_OFFSET_MAX0 (150)
-#define LM93_TEMP_OFFSET_MAX1 ( 75)
+#define LM93_TEMP_OFFSET_MAX1 (75)
 
-/* This function is common to all 4-bit temperature offsets
-   returns 4 bits right justified
-   mode 0 => 1C/bit, mode !0 => 0.5C/bit */
+/*
+ * This function is common to all 4-bit temperature offsets
+ * returns 4 bits right justified
+ * mode 0 => 1C/bit, mode !0 => 0.5C/bit
+ */
 static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode)
 {
 	int factor = mode ? 5 : 10;
@@ -466,9 +488,11 @@ static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode)
 		return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode);
 }
 
-/* TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero))
-   REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero)
-   0 <= nr <= 3 */
+/*
+ * TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero))
+ * REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero)
+ * 0 <= nr <= 3
+ */
 static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode)
 {
 	u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode);
@@ -532,9 +556,12 @@ static u8 LM93_AUTO_BOOST_HYST_TO_REG(struct lm93_data *data, long hyst,
 	return reg;
 }
 
-/* PWM: 0-255 per sensors documentation
-   REG: 0-13 as mapped below... right justified */
-typedef enum { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ } pwm_freq_t;
+/*
+ * PWM: 0-255 per sensors documentation
+ * REG: 0-13 as mapped below... right justified
+ */
+enum pwm_freq { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ };
+
 static int lm93_pwm_map[2][16] = {
 	{
 		0x00, /*   0.00% */ 0x40, /*  25.00% */
@@ -558,13 +585,13 @@ static int lm93_pwm_map[2][16] = {
 	},
 };
 
-static int LM93_PWM_FROM_REG(u8 reg, pwm_freq_t freq)
+static int LM93_PWM_FROM_REG(u8 reg, enum pwm_freq freq)
 {
 	return lm93_pwm_map[freq][reg & 0x0f];
 }
 
 /* round up to nearest match */
-static u8 LM93_PWM_TO_REG(int pwm, pwm_freq_t freq)
+static u8 LM93_PWM_TO_REG(int pwm, enum pwm_freq freq)
 {
 	int i;
 	for (i = 0; i < 13; i++)
@@ -578,7 +605,7 @@ static u8 LM93_PWM_TO_REG(int pwm, pwm_freq_t freq)
 static int LM93_FAN_FROM_REG(u16 regs)
 {
 	const u16 count = le16_to_cpu(regs) >> 2;
-	return count==0 ? -1 : count==0x3fff ? 0: 1350000 / count;
+	return count == 0 ? -1 : count == 0x3fff ? 0 : 1350000 / count;
 }
 
 /*
@@ -600,8 +627,10 @@ static u16 LM93_FAN_TO_REG(long rpm)
 	return cpu_to_le16(regs);
 }
 
-/* PWM FREQ: HZ
-   REG: 0-7 as mapped below */
+/*
+ * PWM FREQ: HZ
+ * REG: 0-7 as mapped below
+ */
 static int lm93_pwm_freq_map[8] = {
 	22500, 96, 84, 72, 60, 48, 36, 12
 };
@@ -623,8 +652,10 @@ static u8 LM93_PWM_FREQ_TO_REG(int freq)
 	return (u8)i;
 }
 
-/* TIME: 1/100 seconds
- * REG: 0-7 as mapped below */
+/*
+ * TIME: 1/100 seconds
+ * REG: 0-7 as mapped below
+ */
 static int lm93_spinup_time_map[8] = {
 	0, 10, 25, 40, 70, 100, 200, 400,
 };
@@ -654,24 +685,30 @@ static int LM93_RAMP_FROM_REG(u8 reg)
 	return (reg & 0x0f) * 5;
 }
 
-/* RAMP: 1/100 seconds
-   REG: 50mS/bit 4-bits right justified */
+/*
+ * RAMP: 1/100 seconds
+ * REG: 50mS/bit 4-bits right justified
+ */
 static u8 LM93_RAMP_TO_REG(int ramp)
 {
 	ramp = SENSORS_LIMIT(ramp, LM93_RAMP_MIN, LM93_RAMP_MAX);
 	return (u8)((ramp + 2) / 5);
 }
 
-/* PROCHOT: 0-255, 0 => 0%, 255 => > 96.6%
- * REG: (same) */
+/*
+ * PROCHOT: 0-255, 0 => 0%, 255 => > 96.6%
+ * REG: (same)
+ */
 static u8 LM93_PROCHOT_TO_REG(long prochot)
 {
 	prochot = SENSORS_LIMIT(prochot, 0, 255);
 	return (u8)prochot;
 }
 
-/* PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds)
- * REG: 0-9 as mapped below */
+/*
+ * PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds)
+ * REG: 0-9 as mapped below
+ */
 static int lm93_interval_map[10] = {
 	73, 146, 290, 580, 1170, 2330, 4660, 9320, 18600, 37200,
 };
@@ -693,22 +730,25 @@ static u8 LM93_INTERVAL_TO_REG(long interval)
 	return (u8)i;
 }
 
-/* GPIO: 0-255, GPIO0 is LSB
- * REG: inverted */
+/*
+ * GPIO: 0-255, GPIO0 is LSB
+ * REG: inverted
+ */
 static unsigned LM93_GPI_FROM_REG(u8 reg)
 {
 	return ~reg & 0xff;
 }
 
-/* alarm bitmask definitions
-   The LM93 has nearly 64 bits of error status... I've pared that down to
-   what I think is a useful subset in order to fit it into 32 bits.
-
-   Especially note that the #VRD_HOT alarms are missing because we provide
-   that information as values in another sysfs file.
-
-   If libsensors is extended to support 64 bit values, this could be revisited.
-*/
+/*
+ * alarm bitmask definitions
+ * The LM93 has nearly 64 bits of error status... I've pared that down to
+ * what I think is a useful subset in order to fit it into 32 bits.
+ *
+ * Especially note that the #VRD_HOT alarms are missing because we provide
+ * that information as values in another sysfs file.
+ *
+ * If libsensors is extended to support 64 bit values, this could be revisited.
+ */
 #define LM93_ALARM_IN1		0x00000001
 #define LM93_ALARM_IN2		0x00000002
 #define LM93_ALARM_IN3		0x00000004
@@ -772,11 +812,12 @@ static u8 lm93_read_byte(struct i2c_client *client, u8 reg)
 	int value, i;
 
 	/* retry in case of read errors */
-	for (i=1; i<=MAX_RETRIES; i++) {
-		if ((value = i2c_smbus_read_byte_data(client, reg)) >= 0) {
+	for (i = 1; i <= MAX_RETRIES; i++) {
+		value = i2c_smbus_read_byte_data(client, reg);
+		if (value >= 0) {
 			return value;
 		} else {
-			dev_warn(&client->dev,"lm93: read byte data failed, "
+			dev_warn(&client->dev, "lm93: read byte data failed, "
 				"address 0x%02x.\n", reg);
 			mdelay(i + 3);
 		}
@@ -784,7 +825,7 @@ static u8 lm93_read_byte(struct i2c_client *client, u8 reg)
 	}
 
 	/* <TODO> what to return in case of error? */
-	dev_err(&client->dev,"lm93: All read byte retries failed!!\n");
+	dev_err(&client->dev, "lm93: All read byte retries failed!!\n");
 	return 0;
 }
 
@@ -796,7 +837,7 @@ static int lm93_write_byte(struct i2c_client *client, u8 reg, u8 value)
 	result = i2c_smbus_write_byte_data(client, reg, value);
 
 	if (result < 0)
-		dev_warn(&client->dev,"lm93: write byte data failed, "
+		dev_warn(&client->dev, "lm93: write byte data failed, "
 			 "0x%02x at address 0x%02x.\n", value, reg);
 
 	return result;
@@ -807,11 +848,12 @@ static u16 lm93_read_word(struct i2c_client *client, u8 reg)
 	int value, i;
 
 	/* retry in case of read errors */
-	for (i=1; i<=MAX_RETRIES; i++) {
-		if ((value = i2c_smbus_read_word_data(client, reg)) >= 0) {
+	for (i = 1; i <= MAX_RETRIES; i++) {
+		value = i2c_smbus_read_word_data(client, reg);
+		if (value >= 0) {
 			return value;
 		} else {
-			dev_warn(&client->dev,"lm93: read word data failed, "
+			dev_warn(&client->dev, "lm93: read word data failed, "
 				 "address 0x%02x.\n", reg);
 			mdelay(i + 3);
 		}
@@ -819,7 +861,7 @@ static u16 lm93_read_word(struct i2c_client *client, u8 reg)
 	}
 
 	/* <TODO> what to return in case of error? */
-	dev_err(&client->dev,"lm93: All read word retries failed!!\n");
+	dev_err(&client->dev, "lm93: All read word retries failed!!\n");
 	return 0;
 }
 
@@ -831,7 +873,7 @@ static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value)
 	result = i2c_smbus_write_word_data(client, reg, value);
 
 	if (result < 0)
-		dev_warn(&client->dev,"lm93: write word data failed, "
+		dev_warn(&client->dev, "lm93: write word data failed, "
 			 "0x%04x at address 0x%02x.\n", value, reg);
 
 	return result;
@@ -840,13 +882,13 @@ static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value)
 static u8 lm93_block_buffer[I2C_SMBUS_BLOCK_MAX];
 
 /*
-	read block data into values, retry if not expected length
-	fbn => index to lm93_block_read_cmds table
-		(Fixed Block Number - section 14.5.2 of LM93 datasheet)
-*/
+ * read block data into values, retry if not expected length
+ * fbn => index to lm93_block_read_cmds table
+ * (Fixed Block Number - section 14.5.2 of LM93 datasheet)
+ */
 static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values)
 {
-	int i, result=0;
+	int i, result = 0;
 
 	for (i = 1; i <= MAX_RETRIES; i++) {
 		result = i2c_smbus_read_block_data(client,
@@ -855,7 +897,7 @@ static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values)
 		if (result == lm93_block_read_cmds[fbn].len) {
 			break;
 		} else {
-			dev_warn(&client->dev,"lm93: block read data failed, "
+			dev_warn(&client->dev, "lm93: block read data failed, "
 				 "command 0x%02x.\n",
 				 lm93_block_read_cmds[fbn].cmd);
 			mdelay(i + 3);
@@ -863,7 +905,8 @@ static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values)
 	}
 
 	if (result == lm93_block_read_cmds[fbn].len) {
-		memcpy(values,lm93_block_buffer,lm93_block_read_cmds[fbn].len);
+		memcpy(values, lm93_block_buffer,
+		       lm93_block_read_cmds[fbn].len);
 	} else {
 		/* <TODO> what to do in case of error? */
 	}
@@ -964,7 +1007,7 @@ static void lm93_update_client_common(struct lm93_data *data,
 static void lm93_update_client_full(struct lm93_data *data,
 				    struct i2c_client *client)
 {
-	dev_dbg(&client->dev,"starting device update (block data enabled)\n");
+	dev_dbg(&client->dev, "starting device update (block data enabled)\n");
 
 	/* in1 - in16: values & limits */
 	lm93_read_block(client, 3, (u8 *)(data->block3));
@@ -996,10 +1039,10 @@ static void lm93_update_client_full(struct lm93_data *data,
 static void lm93_update_client_min(struct lm93_data *data,
 				   struct i2c_client *client)
 {
-	int i,j;
+	int i, j;
 	u8 *ptr;
 
-	dev_dbg(&client->dev,"starting device update (block data disabled)\n");
+	dev_dbg(&client->dev, "starting device update (block data disabled)\n");
 
 	/* in1 - in16: values & limits */
 	for (i = 0; i < 16; i++) {
@@ -1037,7 +1080,7 @@ static void lm93_update_client_min(struct lm93_data *data,
 	for (i = 0; i < 2; i++) {
 		for (j = 0; j < 4; j++) {
 			data->block9[i][j] =
-				lm93_read_byte(client, LM93_REG_PWM_CTL(i,j));
+				lm93_read_byte(client, LM93_REG_PWM_CTL(i, j));
 		}
 	}
 
@@ -1097,14 +1140,13 @@ static ssize_t show_in_min(struct device *dev,
 	int vccp = nr - 6;
 	long rc, vid;
 
-	if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
+	if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
 		vid = LM93_VID_FROM_REG(data->vid[vccp]);
 		rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid);
+	} else {
+		rc = LM93_IN_FROM_REG(nr, data->block7[nr].min);
 	}
-	else {
-		rc = LM93_IN_FROM_REG(nr, data->block7[nr].min); \
-	}
-	return sprintf(buf, "%ld\n", rc); \
+	return sprintf(buf, "%ld\n", rc);
 }
 
 static ssize_t store_in_min(struct device *dev, struct device_attribute *attr,
@@ -1113,20 +1155,24 @@ static ssize_t store_in_min(struct device *dev, struct device_attribute *attr,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	int vccp = nr - 6;
 	long vid;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
+	if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
 		vid = LM93_VID_FROM_REG(data->vid[vccp]);
 		data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) |
 				LM93_IN_REL_TO_REG(val, 0, vid);
 		lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
 				data->vccp_limits[vccp]);
-	}
-	else {
-		data->block7[nr].min = LM93_IN_TO_REG(nr,val);
+	} else {
+		data->block7[nr].min = LM93_IN_TO_REG(nr, val);
 		lm93_write_byte(client, LM93_REG_IN_MIN(nr),
 				data->block7[nr].min);
 	}
@@ -1175,14 +1221,13 @@ static ssize_t show_in_max(struct device *dev,
 	int vccp = nr - 6;
 	long rc, vid;
 
-	if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
+	if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
 		vid = LM93_VID_FROM_REG(data->vid[vccp]);
-		rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp],vid);
-	}
-	else {
-		rc = LM93_IN_FROM_REG(nr,data->block7[nr].max); \
+		rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp], vid);
+	} else {
+		rc = LM93_IN_FROM_REG(nr, data->block7[nr].max);
 	}
-	return sprintf(buf,"%ld\n",rc); \
+	return sprintf(buf, "%ld\n", rc);
 }
 
 static ssize_t store_in_max(struct device *dev, struct device_attribute *attr,
@@ -1191,20 +1236,24 @@ static ssize_t store_in_max(struct device *dev, struct device_attribute *attr,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	int vccp = nr - 6;
 	long vid;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
+	if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
 		vid = LM93_VID_FROM_REG(data->vid[vccp]);
 		data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) |
 				LM93_IN_REL_TO_REG(val, 1, vid);
 		lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
 				data->vccp_limits[vccp]);
-	}
-	else {
-		data->block7[nr].max = LM93_IN_TO_REG(nr,val);
+	} else {
+		data->block7[nr].max = LM93_IN_TO_REG(nr, val);
 		lm93_write_byte(client, LM93_REG_IN_MAX(nr),
 				data->block7[nr].max);
 	}
@@ -1250,7 +1299,7 @@ static ssize_t show_temp(struct device *dev,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->block2[nr]));
+	return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block2[nr]));
 }
 
 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
@@ -1262,7 +1311,7 @@ static ssize_t show_temp_min(struct device *dev,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->temp_lim[nr].min));
+	return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].min));
 }
 
 static ssize_t store_temp_min(struct device *dev, struct device_attribute *attr,
@@ -1271,7 +1320,12 @@ static ssize_t store_temp_min(struct device *dev, struct device_attribute *attr,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_lim[nr].min = LM93_TEMP_TO_REG(val);
@@ -1292,7 +1346,7 @@ static ssize_t show_temp_max(struct device *dev,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->temp_lim[nr].max));
+	return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].max));
 }
 
 static ssize_t store_temp_max(struct device *dev, struct device_attribute *attr,
@@ -1301,7 +1355,12 @@ static ssize_t store_temp_max(struct device *dev, struct device_attribute *attr,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_lim[nr].max = LM93_TEMP_TO_REG(val);
@@ -1322,7 +1381,7 @@ static ssize_t show_temp_auto_base(struct device *dev,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->block10.base[nr]));
+	return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block10.base[nr]));
 }
 
 static ssize_t store_temp_auto_base(struct device *dev,
@@ -1332,7 +1391,12 @@ static ssize_t store_temp_auto_base(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->block10.base[nr] = LM93_TEMP_TO_REG(val);
@@ -1349,11 +1413,11 @@ static SENSOR_DEVICE_ATTR(temp3_auto_base, S_IWUSR | S_IRUGO,
 			  show_temp_auto_base, store_temp_auto_base, 2);
 
 static ssize_t show_temp_auto_boost(struct device *dev,
-				    struct device_attribute *attr,char *buf)
+				    struct device_attribute *attr, char *buf)
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->boost[nr]));
+	return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->boost[nr]));
 }
 
 static ssize_t store_temp_auto_boost(struct device *dev,
@@ -1363,7 +1427,12 @@ static ssize_t store_temp_auto_boost(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->boost[nr] = LM93_TEMP_TO_REG(val);
@@ -1386,7 +1455,7 @@ static ssize_t show_temp_auto_boost_hyst(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
 	int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
-	return sprintf(buf,"%d\n",
+	return sprintf(buf, "%d\n",
 		       LM93_AUTO_BOOST_HYST_FROM_REGS(data, nr, mode));
 }
 
@@ -1397,7 +1466,12 @@ static ssize_t store_temp_auto_boost_hyst(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	/* force 0.5C/bit mode */
@@ -1429,9 +1503,9 @@ static ssize_t show_temp_auto_offset(struct device *dev,
 	int ofs = s_attr->nr;
 	struct lm93_data *data = lm93_update_device(dev);
 	int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
-	return sprintf(buf,"%d\n",
+	return sprintf(buf, "%d\n",
 	       LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs],
-					      nr,mode));
+					      nr, mode));
 }
 
 static ssize_t store_temp_auto_offset(struct device *dev,
@@ -1443,7 +1517,12 @@ static ssize_t store_temp_auto_offset(struct device *dev,
 	int ofs = s_attr->nr;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	/* force 0.5C/bit mode */
@@ -1539,7 +1618,7 @@ static ssize_t show_temp_auto_pwm_min(struct device *dev,
 	struct lm93_data *data = lm93_update_device(dev);
 	reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f;
 	ctl4 = data->block9[nr][LM93_PWM_CTL4];
-	return sprintf(buf,"%d\n",LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ?
+	return sprintf(buf, "%d\n", LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ?
 				LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
 }
 
@@ -1550,12 +1629,17 @@ static ssize_t store_temp_auto_pwm_min(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	u8 reg, ctl4;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	reg = lm93_read_byte(client, LM93_REG_PWM_MIN_HYST(nr));
-	ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4));
+	ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
 	reg = (reg & 0x0f) |
 		LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
 				LM93_PWM_MAP_LO_FREQ :
@@ -1582,8 +1666,8 @@ static ssize_t show_temp_auto_offset_hyst(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
 	int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
-	return sprintf(buf,"%d\n",LM93_TEMP_OFFSET_FROM_REG(
-					data->auto_pwm_min_hyst[nr/2], mode));
+	return sprintf(buf, "%d\n", LM93_TEMP_OFFSET_FROM_REG(
+					data->auto_pwm_min_hyst[nr / 2], mode));
 }
 
 static ssize_t store_temp_auto_offset_hyst(struct device *dev,
@@ -1593,8 +1677,13 @@ static ssize_t store_temp_auto_offset_hyst(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	u8 reg;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	/* force 0.5C/bit mode */
@@ -1626,7 +1715,7 @@ static ssize_t show_fan_input(struct device *dev,
 	int nr = s_attr->index;
 	struct lm93_data *data = lm93_update_device(dev);
 
-	return sprintf(buf,"%d\n",LM93_FAN_FROM_REG(data->block5[nr]));
+	return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block5[nr]));
 }
 
 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0);
@@ -1640,7 +1729,7 @@ static ssize_t show_fan_min(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
 
-	return sprintf(buf,"%d\n",LM93_FAN_FROM_REG(data->block8[nr]));
+	return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block8[nr]));
 }
 
 static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr,
@@ -1649,11 +1738,16 @@ static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->block8[nr] = LM93_FAN_TO_REG(val);
-	lm93_write_word(client,LM93_REG_FAN_MIN(nr),data->block8[nr]);
+	lm93_write_word(client, LM93_REG_FAN_MIN(nr), data->block8[nr]);
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -1667,18 +1761,19 @@ static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO,
 static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO,
 			  show_fan_min, store_fan_min, 3);
 
-/* some tedious bit-twiddling here to deal with the register format:
-
-	data->sf_tach_to_pwm: (tach to pwm mapping bits)
-
-		bit |  7  |  6  |  5  |  4  |  3  |  2  |  1  |  0
-		     T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1
-
-	data->sfc2: (enable bits)
-
-		bit |  3  |  2  |  1  |  0
-		       T4    T3    T2    T1
-*/
+/*
+ * some tedious bit-twiddling here to deal with the register format:
+ *
+ *	data->sf_tach_to_pwm: (tach to pwm mapping bits)
+ *
+ *		bit |  7  |  6  |  5  |  4  |  3  |  2  |  1  |  0
+ *		     T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1
+ *
+ *	data->sfc2: (enable bits)
+ *
+ *		bit |  3  |  2  |  1  |  0
+ *		       T4    T3    T2    T1
+ */
 
 static ssize_t show_fan_smart_tach(struct device *dev,
 				struct device_attribute *attr, char *buf)
@@ -1694,11 +1789,13 @@ static ssize_t show_fan_smart_tach(struct device *dev,
 	/* if there's a mapping and it's enabled */
 	if (mapping && ((data->sfc2 >> nr) & 0x01))
 		rc = mapping;
-	return sprintf(buf,"%ld\n",rc);
+	return sprintf(buf, "%ld\n", rc);
 }
 
-/* helper function - must grab data->update_lock before calling
-   fan is 0-3, indicating fan1-fan4 */
+/*
+ * helper function - must grab data->update_lock before calling
+ * fan is 0-3, indicating fan1-fan4
+ */
 static void lm93_write_fan_smart_tach(struct i2c_client *client,
 	struct lm93_data *data, int fan, long value)
 {
@@ -1724,7 +1821,12 @@ static ssize_t store_fan_smart_tach(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	/* sanity test, ignore the write otherwise */
@@ -1732,7 +1834,7 @@ static ssize_t store_fan_smart_tach(struct device *dev,
 		/* can't enable if pwm freq is 22.5KHz */
 		if (val) {
 			u8 ctl4 = lm93_read_byte(client,
-				LM93_REG_PWM_CTL(val-1,LM93_PWM_CTL4));
+				LM93_REG_PWM_CTL(val - 1, LM93_PWM_CTL4));
 			if ((ctl4 & 0x07) == 0)
 				val = 0;
 		}
@@ -1766,7 +1868,7 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
 	else /* show present h/w value if manual pwm disabled */
 		rc = LM93_PWM_FROM_REG(ctl2 >> 4, (ctl4 & 0x07) ?
 			LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ);
-	return sprintf(buf,"%ld\n",rc);
+	return sprintf(buf, "%ld\n", rc);
 }
 
 static ssize_t store_pwm(struct device *dev, struct device_attribute *attr,
@@ -1775,19 +1877,24 @@ static ssize_t store_pwm(struct device *dev, struct device_attribute *attr,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	u8 ctl2, ctl4;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	ctl2 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2));
-	ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4));
-	ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val,(ctl4 & 0x07) ?
+	ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2));
+	ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
+	ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
 			LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ) << 4;
 	/* save user commanded value */
 	data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4,
 			(ctl4 & 0x07) ?  LM93_PWM_MAP_LO_FREQ :
 			LM93_PWM_MAP_HI_FREQ);
-	lm93_write_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2),ctl2);
+	lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2);
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -1808,7 +1915,7 @@ static ssize_t show_pwm_enable(struct device *dev,
 		rc = ((ctl2 & 0xF0) == 0xF0) ? 0 : 1;
 	else
 		rc = 2;
-	return sprintf(buf,"%ld\n",rc);
+	return sprintf(buf, "%ld\n", rc);
 }
 
 static ssize_t store_pwm_enable(struct device *dev,
@@ -1818,26 +1925,33 @@ static ssize_t store_pwm_enable(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	u8 ctl2;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	ctl2 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2));
+	ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2));
 
 	switch (val) {
 	case 0:
 		ctl2 |= 0xF1; /* enable manual override, set PWM to max */
 		break;
-	case 1: ctl2 |= 0x01; /* enable manual override */
+	case 1:
+		ctl2 |= 0x01; /* enable manual override */
 		break;
-	case 2: ctl2 &= ~0x01; /* disable manual override */
+	case 2:
+		ctl2 &= ~0x01; /* disable manual override */
 		break;
 	default:
 		mutex_unlock(&data->update_lock);
 		return -EINVAL;
 	}
 
-	lm93_write_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2),ctl2);
+	lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2);
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -1855,12 +1969,14 @@ static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
 	u8 ctl4;
 
 	ctl4 = data->block9[nr][LM93_PWM_CTL4];
-	return sprintf(buf,"%d\n",LM93_PWM_FREQ_FROM_REG(ctl4));
+	return sprintf(buf, "%d\n", LM93_PWM_FREQ_FROM_REG(ctl4));
 }
 
-/* helper function - must grab data->update_lock before calling
-   pwm is 0-1, indicating pwm1-pwm2
-   this disables smart tach for all tach channels bound to the given pwm */
+/*
+ * helper function - must grab data->update_lock before calling
+ * pwm is 0-1, indicating pwm1-pwm2
+ * this disables smart tach for all tach channels bound to the given pwm
+ */
 static void lm93_disable_fan_smart_tach(struct i2c_client *client,
 	struct lm93_data *data, int pwm)
 {
@@ -1887,17 +2003,22 @@ static ssize_t store_pwm_freq(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	u8 ctl4;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	ctl4 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4));
+	ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
 	ctl4 = (ctl4 & 0xf8) | LM93_PWM_FREQ_TO_REG(val);
 	data->block9[nr][LM93_PWM_CTL4] = ctl4;
 	/* ctl4 == 0 -> 22.5KHz -> disable smart tach */
 	if (!ctl4)
 		lm93_disable_fan_smart_tach(client, data, nr);
-	lm93_write_byte(client,	LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4), ctl4);
+	lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4), ctl4);
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -1912,7 +2033,7 @@ static ssize_t show_pwm_auto_channels(struct device *dev,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",data->block9[nr][LM93_PWM_CTL1]);
+	return sprintf(buf, "%d\n", data->block9[nr][LM93_PWM_CTL1]);
 }
 
 static ssize_t store_pwm_auto_channels(struct device *dev,
@@ -1922,11 +2043,16 @@ static ssize_t store_pwm_auto_channels(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->block9[nr][LM93_PWM_CTL1] = SENSORS_LIMIT(val, 0, 255);
-	lm93_write_byte(client,	LM93_REG_PWM_CTL(nr,LM93_PWM_CTL1),
+	lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL1),
 				data->block9[nr][LM93_PWM_CTL1]);
 	mutex_unlock(&data->update_lock);
 	return count;
@@ -1938,7 +2064,7 @@ static SENSOR_DEVICE_ATTR(pwm2_auto_channels, S_IWUSR | S_IRUGO,
 			  show_pwm_auto_channels, store_pwm_auto_channels, 1);
 
 static ssize_t show_pwm_auto_spinup_min(struct device *dev,
-				struct device_attribute *attr,char *buf)
+				struct device_attribute *attr, char *buf)
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
@@ -1946,7 +2072,7 @@ static ssize_t show_pwm_auto_spinup_min(struct device *dev,
 
 	ctl3 = data->block9[nr][LM93_PWM_CTL3];
 	ctl4 = data->block9[nr][LM93_PWM_CTL4];
-	return sprintf(buf,"%d\n",
+	return sprintf(buf, "%d\n",
 		       LM93_PWM_FROM_REG(ctl3 & 0x0f, (ctl4 & 0x07) ?
 			LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
 }
@@ -1958,17 +2084,22 @@ static ssize_t store_pwm_auto_spinup_min(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	u8 ctl3, ctl4;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	ctl3 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
-	ctl4 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
-	ctl3 = (ctl3 & 0xf0) | 	LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
+	ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
+	ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
+	ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
 			LM93_PWM_MAP_LO_FREQ :
 			LM93_PWM_MAP_HI_FREQ);
 	data->block9[nr][LM93_PWM_CTL3] = ctl3;
-	lm93_write_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
+	lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -1985,7 +2116,7 @@ static ssize_t show_pwm_auto_spinup_time(struct device *dev,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",LM93_SPINUP_TIME_FROM_REG(
+	return sprintf(buf, "%d\n", LM93_SPINUP_TIME_FROM_REG(
 				data->block9[nr][LM93_PWM_CTL3]));
 }
 
@@ -1996,14 +2127,19 @@ static ssize_t store_pwm_auto_spinup_time(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	u8 ctl3;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	ctl3 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
+	ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
 	ctl3 = (ctl3 & 0x1f) | (LM93_SPINUP_TIME_TO_REG(val) << 5 & 0xe0);
 	data->block9[nr][LM93_PWM_CTL3] = ctl3;
-	lm93_write_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
+	lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -2019,7 +2155,7 @@ static ssize_t show_pwm_auto_prochot_ramp(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",
+	return sprintf(buf, "%d\n",
 		       LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f));
 }
 
@@ -2029,8 +2165,13 @@ static ssize_t store_pwm_auto_prochot_ramp(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	u8 ramp;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
@@ -2048,7 +2189,7 @@ static ssize_t show_pwm_auto_vrdhot_ramp(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",
+	return sprintf(buf, "%d\n",
 		       LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f));
 }
 
@@ -2058,8 +2199,13 @@ static ssize_t store_pwm_auto_vrdhot_ramp(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	u8 ramp;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
@@ -2078,7 +2224,7 @@ static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",LM93_VID_FROM_REG(data->vid[nr]));
+	return sprintf(buf, "%d\n", LM93_VID_FROM_REG(data->vid[nr]));
 }
 
 static SENSOR_DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL, 0);
@@ -2089,7 +2235,7 @@ static ssize_t show_prochot(struct device *dev, struct device_attribute *attr,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",data->block4[nr].cur);
+	return sprintf(buf, "%d\n", data->block4[nr].cur);
 }
 
 static SENSOR_DEVICE_ATTR(prochot1, S_IRUGO, show_prochot, NULL, 0);
@@ -2100,7 +2246,7 @@ static ssize_t show_prochot_avg(struct device *dev,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",data->block4[nr].avg);
+	return sprintf(buf, "%d\n", data->block4[nr].avg);
 }
 
 static SENSOR_DEVICE_ATTR(prochot1_avg, S_IRUGO, show_prochot_avg, NULL, 0);
@@ -2111,7 +2257,7 @@ static ssize_t show_prochot_max(struct device *dev,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",data->prochot_max[nr]);
+	return sprintf(buf, "%d\n", data->prochot_max[nr]);
 }
 
 static ssize_t store_prochot_max(struct device *dev,
@@ -2121,7 +2267,12 @@ static ssize_t store_prochot_max(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val);
@@ -2143,7 +2294,7 @@ static ssize_t show_prochot_override(struct device *dev,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",
+	return sprintf(buf, "%d\n",
 		(data->prochot_override & prochot_override_mask[nr]) ? 1 : 0);
 }
 
@@ -2154,7 +2305,12 @@ static ssize_t store_prochot_override(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	if (val)
@@ -2178,11 +2334,11 @@ static ssize_t show_prochot_interval(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
 	u8 tmp;
-	if (nr==1)
+	if (nr == 1)
 		tmp = (data->prochot_interval & 0xf0) >> 4;
 	else
 		tmp = data->prochot_interval & 0x0f;
-	return sprintf(buf,"%d\n",LM93_INTERVAL_FROM_REG(tmp));
+	return sprintf(buf, "%d\n", LM93_INTERVAL_FROM_REG(tmp));
 }
 
 static ssize_t store_prochot_interval(struct device *dev,
@@ -2192,12 +2348,17 @@ static ssize_t store_prochot_interval(struct device *dev,
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	u8 tmp;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	tmp = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL);
-	if (nr==1)
+	if (nr == 1)
 		tmp = (tmp & 0x0f) | (LM93_INTERVAL_TO_REG(val) << 4);
 	else
 		tmp = (tmp & 0xf0) | LM93_INTERVAL_TO_REG(val);
@@ -2217,7 +2378,7 @@ static ssize_t show_prochot_override_duty_cycle(struct device *dev,
 						char *buf)
 {
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",data->prochot_override & 0x0f);
+	return sprintf(buf, "%d\n", data->prochot_override & 0x0f);
 }
 
 static ssize_t store_prochot_override_duty_cycle(struct device *dev,
@@ -2226,7 +2387,12 @@ static ssize_t store_prochot_override_duty_cycle(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->prochot_override = (data->prochot_override & 0xf0) |
@@ -2245,7 +2411,7 @@ static ssize_t show_prochot_short(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",(data->config & 0x10) ? 1 : 0);
+	return sprintf(buf, "%d\n", (data->config & 0x10) ? 1 : 0);
 }
 
 static ssize_t store_prochot_short(struct device *dev,
@@ -2254,7 +2420,12 @@ static ssize_t store_prochot_short(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm93_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	if (val)
@@ -2274,8 +2445,8 @@ static ssize_t show_vrdhot(struct device *dev, struct device_attribute *attr,
 {
 	int nr = (to_sensor_dev_attr(attr))->index;
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",
-		       data->block1.host_status_1 & (1 << (nr+4)) ? 1 : 0);
+	return sprintf(buf, "%d\n",
+		       data->block1.host_status_1 & (1 << (nr + 4)) ? 1 : 0);
 }
 
 static SENSOR_DEVICE_ATTR(vrdhot1, S_IRUGO, show_vrdhot, NULL, 0);
@@ -2285,7 +2456,7 @@ static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
 				char *buf)
 {
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",LM93_GPI_FROM_REG(data->gpi));
+	return sprintf(buf, "%d\n", LM93_GPI_FROM_REG(data->gpi));
 }
 
 static DEVICE_ATTR(gpio, S_IRUGO, show_gpio, NULL);
@@ -2294,7 +2465,7 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
 				char *buf)
 {
 	struct lm93_data *data = lm93_update_device(dev);
-	return sprintf(buf,"%d\n",LM93_ALARMS_FROM_REG(data->block1));
+	return sprintf(buf, "%d\n", LM93_ALARMS_FROM_REG(data->block1));
 }
 
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
@@ -2494,13 +2665,13 @@ static void lm93_init_client(struct i2c_client *client)
 	lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x01);
 
 	/* spin until ready */
-	for (i=0; i<20; i++) {
+	for (i = 0; i < 20; i++) {
 		msleep(10);
 		if ((lm93_read_byte(client, LM93_REG_CONFIG) & 0x80) == 0x80)
 			return;
 	}
 
-	dev_warn(&client->dev,"timed out waiting for sensor "
+	dev_warn(&client->dev, "timed out waiting for sensor "
 		 "chip to signal ready!\n");
 }
 
@@ -2540,7 +2711,7 @@ static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info)
 	}
 
 	strlcpy(info->type, name, I2C_NAME_SIZE);
-	dev_dbg(&adapter->dev,"loading %s at %d,0x%02x\n",
+	dev_dbg(&adapter->dev, "loading %s at %d, 0x%02x\n",
 		client->name, i2c_adapter_id(client->adapter),
 		client->addr);
 
@@ -2593,7 +2764,7 @@ static int lm93_probe(struct i2c_client *client,
 
 	/* Register hwmon driver class */
 	data->hwmon_dev = hwmon_device_register(&client->dev);
-	if ( !IS_ERR(data->hwmon_dev))
+	if (!IS_ERR(data->hwmon_dev))
 		return 0;
 
 	err = PTR_ERR(data->hwmon_dev);
@@ -2635,20 +2806,9 @@ static struct i2c_driver lm93_driver = {
 	.address_list	= normal_i2c,
 };
 
-static int __init lm93_init(void)
-{
-	return i2c_add_driver(&lm93_driver);
-}
-
-static void __exit lm93_exit(void)
-{
-	i2c_del_driver(&lm93_driver);
-}
+module_i2c_driver(lm93_driver);
 
 MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, "
 		"Hans J. Koch <hjk@hansjkoch.de>");
 MODULE_DESCRIPTION("LM93 driver");
 MODULE_LICENSE("GPL");
-
-module_init(lm93_init);
-module_exit(lm93_exit);
diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c
index 70bca671e083..bd8cdb7b96ed 100644
--- a/drivers/hwmon/lm95241.c
+++ b/drivers/hwmon/lm95241.c
@@ -455,19 +455,8 @@ static struct i2c_driver lm95241_driver = {
 	.address_list	= normal_i2c,
 };
 
-static int __init sensors_lm95241_init(void)
-{
-	return i2c_add_driver(&lm95241_driver);
-}
-
-static void __exit sensors_lm95241_exit(void)
-{
-	i2c_del_driver(&lm95241_driver);
-}
+module_i2c_driver(lm95241_driver);
 
 MODULE_AUTHOR("Davide Rizzo <elpa.rizzo@gmail.com>");
 MODULE_DESCRIPTION("LM95241 sensor driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_lm95241_init);
-module_exit(sensors_lm95241_exit);
diff --git a/drivers/hwmon/lm95245.c b/drivers/hwmon/lm95245.c
index 5e5fc1b0ace1..9a46c106a240 100644
--- a/drivers/hwmon/lm95245.c
+++ b/drivers/hwmon/lm95245.c
@@ -525,19 +525,8 @@ static struct i2c_driver lm95245_driver = {
 	.address_list	= normal_i2c,
 };
 
-static int __init sensors_lm95245_init(void)
-{
-	return i2c_add_driver(&lm95245_driver);
-}
-
-static void __exit sensors_lm95245_exit(void)
-{
-	i2c_del_driver(&lm95245_driver);
-}
+module_i2c_driver(lm95245_driver);
 
 MODULE_AUTHOR("Alexander Stein <alexander.stein@systec-electronic.com>");
 MODULE_DESCRIPTION("LM95245 sensor driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_lm95245_init);
-module_exit(sensors_lm95245_exit);
diff --git a/drivers/hwmon/ltc4151.c b/drivers/hwmon/ltc4151.c
index 4ac06b75aa60..4d005b219de2 100644
--- a/drivers/hwmon/ltc4151.c
+++ b/drivers/hwmon/ltc4151.c
@@ -154,7 +154,8 @@ static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, \
 static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, \
 	ltc4151_show_value, NULL, LTC4151_SENSE_H);
 
-/* Finally, construct an array of pointers to members of the above objects,
+/*
+ * Finally, construct an array of pointers to members of the above objects,
  * as required for sysfs_create_group()
  */
 static struct attribute *ltc4151_attributes[] = {
@@ -238,19 +239,8 @@ static struct i2c_driver ltc4151_driver = {
 	.id_table	= ltc4151_id,
 };
 
-static int __init ltc4151_init(void)
-{
-	return i2c_add_driver(&ltc4151_driver);
-}
-
-static void __exit ltc4151_exit(void)
-{
-	i2c_del_driver(&ltc4151_driver);
-}
+module_i2c_driver(ltc4151_driver);
 
 MODULE_AUTHOR("Per Dalen <per.dalen@appeartv.com>");
 MODULE_DESCRIPTION("LTC4151 driver");
 MODULE_LICENSE("GPL");
-
-module_init(ltc4151_init);
-module_exit(ltc4151_exit);
diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c
index c7e6d8e81656..429c5b2b66fd 100644
--- a/drivers/hwmon/ltc4215.c
+++ b/drivers/hwmon/ltc4215.c
@@ -91,8 +91,10 @@ static int ltc4215_get_voltage(struct device *dev, u8 reg)
 		voltage = regval * 605 / 10;
 		break;
 	case LTC4215_ADIN:
-		/* The ADIN input is divided by 12.5, and has 4.82 mV
-		 * per increment, so we have the additional multiply */
+		/*
+		 * The ADIN input is divided by 12.5, and has 4.82 mV
+		 * per increment, so we have the additional multiply
+		 */
 		voltage = regval * 482 * 125 / 1000;
 		break;
 	default:
@@ -109,7 +111,8 @@ static unsigned int ltc4215_get_current(struct device *dev)
 {
 	struct ltc4215_data *data = ltc4215_update_device(dev);
 
-	/* The strange looking conversions that follow are fixed-point
+	/*
+	 * The strange looking conversions that follow are fixed-point
 	 * math, since we cannot do floating point in the kernel.
 	 *
 	 * Step 1: convert sense register to microVolts
@@ -176,7 +179,8 @@ static ssize_t ltc4215_show_alarm(struct device *dev,
 	return snprintf(buf, PAGE_SIZE, "%u\n", (reg & mask) ? 1 : 0);
 }
 
-/* These macros are used below in constructing device attribute objects
+/*
+ * These macros are used below in constructing device attribute objects
  * for use with sysfs_create_group() to make a sysfs device file
  * for each register.
  */
@@ -215,7 +219,8 @@ LTC4215_ALARM(in1_min_alarm,	(1 << 1),	LTC4215_STATUS);
 LTC4215_VOLTAGE(in2_input,			LTC4215_SOURCE);
 LTC4215_ALARM(in2_min_alarm,	(1 << 3),	LTC4215_STATUS);
 
-/* Finally, construct an array of pointers to members of the above objects,
+/*
+ * Finally, construct an array of pointers to members of the above objects,
  * as required for sysfs_create_group()
  */
 static struct attribute *ltc4215_attributes[] = {
@@ -309,19 +314,8 @@ static struct i2c_driver ltc4215_driver = {
 	.id_table	= ltc4215_id,
 };
 
-static int __init ltc4215_init(void)
-{
-	return i2c_add_driver(&ltc4215_driver);
-}
-
-static void __exit ltc4215_exit(void)
-{
-	i2c_del_driver(&ltc4215_driver);
-}
+module_i2c_driver(ltc4215_driver);
 
 MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
 MODULE_DESCRIPTION("LTC4215 driver");
 MODULE_LICENSE("GPL");
-
-module_init(ltc4215_init);
-module_exit(ltc4215_exit);
diff --git a/drivers/hwmon/ltc4245.c b/drivers/hwmon/ltc4245.c
index 659308329308..b99b45bafdad 100644
--- a/drivers/hwmon/ltc4245.c
+++ b/drivers/hwmon/ltc4245.c
@@ -214,7 +214,8 @@ static unsigned int ltc4245_get_current(struct device *dev, u8 reg)
 	unsigned int voltage;
 	unsigned int curr;
 
-	/* The strange looking conversions that follow are fixed-point
+	/*
+	 * The strange looking conversions that follow are fixed-point
 	 * math, since we cannot do floating point in the kernel.
 	 *
 	 * Step 1: convert sense register to microVolts
@@ -317,7 +318,8 @@ static ssize_t ltc4245_show_gpio(struct device *dev,
 	return snprintf(buf, PAGE_SIZE, "%u\n", val * 10);
 }
 
-/* These macros are used below in constructing device attribute objects
+/*
+ * These macros are used below in constructing device attribute objects
  * for use with sysfs_create_group() to make a sysfs device file
  * for each register.
  */
@@ -391,7 +393,8 @@ LTC4245_POWER(power2_input,			LTC4245_5VSENSE);
 LTC4245_POWER(power3_input,			LTC4245_3VSENSE);
 LTC4245_POWER(power4_input,			LTC4245_VEESENSE);
 
-/* Finally, construct an array of pointers to members of the above objects,
+/*
+ * Finally, construct an array of pointers to members of the above objects,
  * as required for sysfs_create_group()
  */
 static struct attribute *ltc4245_std_attributes[] = {
@@ -578,19 +581,8 @@ static struct i2c_driver ltc4245_driver = {
 	.id_table	= ltc4245_id,
 };
 
-static int __init ltc4245_init(void)
-{
-	return i2c_add_driver(&ltc4245_driver);
-}
-
-static void __exit ltc4245_exit(void)
-{
-	i2c_del_driver(&ltc4245_driver);
-}
+module_i2c_driver(ltc4245_driver);
 
 MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
 MODULE_DESCRIPTION("LTC4245 driver");
 MODULE_LICENSE("GPL");
-
-module_init(ltc4245_init);
-module_exit(ltc4245_exit);
diff --git a/drivers/hwmon/ltc4261.c b/drivers/hwmon/ltc4261.c
index ce5235560f01..069b7d34d8f9 100644
--- a/drivers/hwmon/ltc4261.c
+++ b/drivers/hwmon/ltc4261.c
@@ -235,11 +235,9 @@ static int ltc4261_probe(struct i2c_client *client,
 		return -ENODEV;
 	}
 
-	data = kzalloc(sizeof(*data), GFP_KERNEL);
-	if (!data) {
-		ret = -ENOMEM;
-		goto out_kzalloc;
-	}
+	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
 
 	i2c_set_clientdata(client, data);
 	mutex_init(&data->update_lock);
@@ -250,7 +248,7 @@ static int ltc4261_probe(struct i2c_client *client,
 	/* Register sysfs hooks */
 	ret = sysfs_create_group(&client->dev.kobj, &ltc4261_group);
 	if (ret)
-		goto out_sysfs_create_group;
+		return ret;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -262,9 +260,6 @@ static int ltc4261_probe(struct i2c_client *client,
 
 out_hwmon_device_register:
 	sysfs_remove_group(&client->dev.kobj, &ltc4261_group);
-out_sysfs_create_group:
-	kfree(data);
-out_kzalloc:
 	return ret;
 }
 
@@ -275,8 +270,6 @@ static int ltc4261_remove(struct i2c_client *client)
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &ltc4261_group);
 
-	kfree(data);
-
 	return 0;
 }
 
@@ -297,19 +290,8 @@ static struct i2c_driver ltc4261_driver = {
 	.id_table = ltc4261_id,
 };
 
-static int __init ltc4261_init(void)
-{
-	return i2c_add_driver(&ltc4261_driver);
-}
-
-static void __exit ltc4261_exit(void)
-{
-	i2c_del_driver(&ltc4261_driver);
-}
+module_i2c_driver(ltc4261_driver);
 
 MODULE_AUTHOR("Guenter Roeck <guenter.roeck@ericsson.com>");
 MODULE_DESCRIPTION("LTC4261 driver");
 MODULE_LICENSE("GPL");
-
-module_init(ltc4261_init);
-module_exit(ltc4261_exit);
diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c
index 482ca901db30..362a40eb6129 100644
--- a/drivers/hwmon/max1111.c
+++ b/drivers/hwmon/max1111.c
@@ -106,7 +106,8 @@ static ssize_t show_adc(struct device *dev,
 	if (ret < 0)
 		return ret;
 
-	/* assume the reference voltage to be 2.048V, with an 8-bit sample,
+	/*
+	 * assume the reference voltage to be 2.048V, with an 8-bit sample,
 	 * the LSB weight is 8mV
 	 */
 	return sprintf(buf, "%d\n", ret * 8);
@@ -227,17 +228,7 @@ static struct spi_driver max1111_driver = {
 	.remove		= __devexit_p(max1111_remove),
 };
 
-static int __init max1111_init(void)
-{
-	return spi_register_driver(&max1111_driver);
-}
-module_init(max1111_init);
-
-static void __exit max1111_exit(void)
-{
-	spi_unregister_driver(&max1111_driver);
-}
-module_exit(max1111_exit);
+module_spi_driver(max1111_driver);
 
 MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>");
 MODULE_DESCRIPTION("MAX1111 ADC Driver");
diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c
index f8e323ac6cb3..822261be84dd 100644
--- a/drivers/hwmon/max16065.c
+++ b/drivers/hwmon/max16065.c
@@ -554,7 +554,7 @@ static int max16065_probe(struct i2c_client *client,
 				     | I2C_FUNC_SMBUS_READ_WORD_DATA))
 		return -ENODEV;
 
-	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
 	if (unlikely(!data))
 		return -ENOMEM;
 
@@ -567,20 +567,16 @@ static int max16065_probe(struct i2c_client *client,
 
 	if (have_secondary) {
 		val = i2c_smbus_read_byte_data(client, MAX16065_SW_ENABLE);
-		if (unlikely(val < 0)) {
-			ret = val;
-			goto out_free;
-		}
+		if (unlikely(val < 0))
+			return val;
 		secondary_is_max = val & MAX16065_WARNING_OV;
 	}
 
 	/* Read scale registers, convert to range */
 	for (i = 0; i < DIV_ROUND_UP(data->num_adc, 4); i++) {
 		val = i2c_smbus_read_byte_data(client, MAX16065_SCALE(i));
-		if (unlikely(val < 0)) {
-			ret = val;
-			goto out_free;
-		}
+		if (unlikely(val < 0))
+			return val;
 		for (j = 0; j < 4 && i * 4 + j < data->num_adc; j++) {
 			data->range[i * 4 + j] =
 			  max16065_adc_range[(val >> (j * 2)) & 0x3];
@@ -595,10 +591,8 @@ static int max16065_probe(struct i2c_client *client,
 		for (j = 0; j < data->num_adc; j++) {
 			val = i2c_smbus_read_byte_data(client,
 						       MAX16065_LIMIT(i, j));
-			if (unlikely(val < 0)) {
-				ret = val;
-				goto out_free;
-			}
+			if (unlikely(val < 0))
+				return val;
 			data->limit[i][j] = LIMIT_TO_MV(val, data->range[j]);
 		}
 	}
@@ -661,8 +655,6 @@ static int max16065_probe(struct i2c_client *client,
 
 out:
 	max16065_cleanup(client);
-out_free:
-	kfree(data);
 	return ret;
 }
 
@@ -672,7 +664,6 @@ static int max16065_remove(struct i2c_client *client)
 
 	hwmon_device_unregister(data->hwmon_dev);
 	max16065_cleanup(client);
-	kfree(data);
 
 	return 0;
 }
@@ -699,19 +690,8 @@ static struct i2c_driver max16065_driver = {
 	.id_table = max16065_id,
 };
 
-static int __init max16065_init(void)
-{
-	return i2c_add_driver(&max16065_driver);
-}
-
-static void __exit max16065_exit(void)
-{
-	i2c_del_driver(&max16065_driver);
-}
+module_i2c_driver(max16065_driver);
 
 MODULE_AUTHOR("Guenter Roeck <guenter.roeck@ericsson.com>");
 MODULE_DESCRIPTION("MAX16065 driver");
 MODULE_LICENSE("GPL");
-
-module_init(max16065_init);
-module_exit(max16065_exit);
diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 022ded098100..ecac04a7b7d6 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -125,7 +125,7 @@ struct max1619_data {
 	u8 temp_input2, temp_low2, temp_high2; /* remote */
 	u8 temp_crit2;
 	u8 temp_hyst2;
-	u8 alarms; 
+	u8 alarms;
 };
 
 /*
@@ -133,7 +133,8 @@ struct max1619_data {
  */
 
 #define show_temp(value) \
-static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_##value(struct device *dev, struct device_attribute *attr, \
+			    char *buf) \
 { \
 	struct max1619_data *data = max1619_update_device(dev); \
 	return sprintf(buf, "%d\n", temp_from_reg(data->value)); \
@@ -146,13 +147,17 @@ show_temp(temp_crit2);
 show_temp(temp_hyst2);
 
 #define set_temp2(value, reg) \
-static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, \
+static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \
+			   const char *buf, \
 	size_t count) \
 { \
 	struct i2c_client *client = to_i2c_client(dev); \
 	struct max1619_data *data = i2c_get_clientdata(client); \
-	long val = simple_strtol(buf, NULL, 10); \
- \
+	long val; \
+	int err = kstrtol(buf, 10, &val); \
+	if (err) \
+		return err; \
+\
 	mutex_lock(&data->update_lock); \
 	data->value = temp_to_reg(val); \
 	i2c_smbus_write_byte_data(client, reg, data->value); \
@@ -165,7 +170,8 @@ set_temp2(temp_high2, MAX1619_REG_W_REMOTE_HIGH);
 set_temp2(temp_crit2, MAX1619_REG_W_REMOTE_CRIT);
 set_temp2(temp_hyst2, MAX1619_REG_W_TCRIT_HYST);
 
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+			   char *buf)
 {
 	struct max1619_data *data = max1619_update_device(dev);
 	return sprintf(buf, "%d\n", data->alarms);
@@ -275,7 +281,8 @@ static int max1619_probe(struct i2c_client *new_client,
 	max1619_init_client(new_client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&new_client->dev.kobj, &max1619_group)))
+	err = sysfs_create_group(&new_client->dev.kobj, &max1619_group);
+	if (err)
 		goto exit_free;
 
 	data->hwmon_dev = hwmon_device_register(&new_client->dev);
@@ -353,20 +360,9 @@ static struct max1619_data *max1619_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_max1619_init(void)
-{
-	return i2c_add_driver(&max1619_driver);
-}
-
-static void __exit sensors_max1619_exit(void)
-{
-	i2c_del_driver(&max1619_driver);
-}
+module_i2c_driver(max1619_driver);
 
 MODULE_AUTHOR("Alexey Fisher <fishor@mail.ru> and "
 	"Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("MAX1619 sensor driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_max1619_init);
-module_exit(sensors_max1619_exit);
diff --git a/drivers/hwmon/max1668.c b/drivers/hwmon/max1668.c
index 88953f99e914..335b183d7c02 100644
--- a/drivers/hwmon/max1668.c
+++ b/drivers/hwmon/max1668.c
@@ -1,23 +1,23 @@
 /*
-    Copyright (c) 2011 David George <david.george@ska.ac.za>
-
-    based on adm1021.c
-    some credit to Christoph Scheurer, but largely a rewrite
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * Copyright (c) 2011 David George <david.george@ska.ac.za>
+ *
+ * based on adm1021.c
+ * some credit to Christoph Scheurer, but largely a rewrite
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -484,19 +484,8 @@ static struct i2c_driver max1668_driver = {
 	.address_list = max1668_addr_list,
 };
 
-static int __init sensors_max1668_init(void)
-{
-	return i2c_add_driver(&max1668_driver);
-}
-
-static void __exit sensors_max1668_exit(void)
-{
-	i2c_del_driver(&max1668_driver);
-}
+module_i2c_driver(max1668_driver);
 
 MODULE_AUTHOR("David George <david.george@ska.ac.za>");
 MODULE_DESCRIPTION("MAX1668 remote temperature sensor driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_max1668_init)
-module_exit(sensors_max1668_exit)
diff --git a/drivers/hwmon/max6639.c b/drivers/hwmon/max6639.c
index a6760bacd915..193067e27b6f 100644
--- a/drivers/hwmon/max6639.c
+++ b/drivers/hwmon/max6639.c
@@ -637,19 +637,8 @@ static struct i2c_driver max6639_driver = {
 	.address_list = normal_i2c,
 };
 
-static int __init max6639_init(void)
-{
-	return i2c_add_driver(&max6639_driver);
-}
-
-static void __exit max6639_exit(void)
-{
-	i2c_del_driver(&max6639_driver);
-}
+module_i2c_driver(max6639_driver);
 
 MODULE_AUTHOR("Roland Stigge <stigge@antcom.de>");
 MODULE_DESCRIPTION("max6639 driver");
 MODULE_LICENSE("GPL");
-
-module_init(max6639_init);
-module_exit(max6639_exit);
diff --git a/drivers/hwmon/max6642.c b/drivers/hwmon/max6642.c
index 209e8a526eb1..4298909a41fd 100644
--- a/drivers/hwmon/max6642.c
+++ b/drivers/hwmon/max6642.c
@@ -352,19 +352,8 @@ static struct i2c_driver max6642_driver = {
 	.address_list	= normal_i2c,
 };
 
-static int __init max6642_init(void)
-{
-	return i2c_add_driver(&max6642_driver);
-}
-
-static void __exit max6642_exit(void)
-{
-	i2c_del_driver(&max6642_driver);
-}
+module_i2c_driver(max6642_driver);
 
 MODULE_AUTHOR("Per Dalen <per.dalen@appeartv.com>");
 MODULE_DESCRIPTION("MAX6642 sensor driver");
 MODULE_LICENSE("GPL");
-
-module_init(max6642_init);
-module_exit(max6642_exit);
diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c
index 2fc034aeca09..33a8a7f15e18 100644
--- a/drivers/hwmon/max6650.c
+++ b/drivers/hwmon/max6650.c
@@ -135,8 +135,7 @@ static struct i2c_driver max6650_driver = {
  * Client data (each client gets its own)
  */
 
-struct max6650_data
-{
+struct max6650_data {
 	struct device *hwmon_dev;
 	struct mutex update_lock;
 	int nr_fans;
@@ -160,13 +159,13 @@ static ssize_t get_fan(struct device *dev, struct device_attribute *devattr,
 	int rpm;
 
 	/*
-	* Calculation details:
-	*
-	* Each tachometer counts over an interval given by the "count"
-	* register (0.25, 0.5, 1 or 2 seconds). This module assumes
-	* that the fans produce two pulses per revolution (this seems
-	* to be the most common).
-	*/
+	 * Calculation details:
+	 *
+	 * Each tachometer counts over an interval given by the "count"
+	 * register (0.25, 0.5, 1 or 2 seconds). This module assumes
+	 * that the fans produce two pulses per revolution (this seems
+	 * to be the most common).
+	 */
 
 	rpm = ((data->tach[attr->index] * 120) / DIV_FROM_REG(data->count));
 	return sprintf(buf, "%d\n", rpm);
@@ -220,12 +219,12 @@ static ssize_t get_target(struct device *dev, struct device_attribute *devattr,
 	int kscale, ktach, rpm;
 
 	/*
-	* Use the datasheet equation:
-	*
-	*    FanSpeed = KSCALE x fCLK / [256 x (KTACH + 1)]
-	*
-	* then multiply by 60 to give rpm.
-	*/
+	 * Use the datasheet equation:
+	 *
+	 *    FanSpeed = KSCALE x fCLK / [256 x (KTACH + 1)]
+	 *
+	 * then multiply by 60 to give rpm.
+	 */
 
 	kscale = DIV_FROM_REG(data->config);
 	ktach = data->speed;
@@ -238,17 +237,22 @@ static ssize_t set_target(struct device *dev, struct device_attribute *devattr,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct max6650_data *data = i2c_get_clientdata(client);
-	int rpm = simple_strtoul(buf, NULL, 10);
 	int kscale, ktach;
+	unsigned long rpm;
+	int err;
+
+	err = kstrtoul(buf, 10, &rpm);
+	if (err)
+		return err;
 
 	rpm = SENSORS_LIMIT(rpm, FAN_RPM_MIN, FAN_RPM_MAX);
 
 	/*
-	* Divide the required speed by 60 to get from rpm to rps, then
-	* use the datasheet equation:
-	*
-	*     KTACH = [(fCLK x KSCALE) / (256 x FanSpeed)] - 1
-	*/
+	 * Divide the required speed by 60 to get from rpm to rps, then
+	 * use the datasheet equation:
+	 *
+	 *     KTACH = [(fCLK x KSCALE) / (256 x FanSpeed)] - 1
+	 */
 
 	mutex_lock(&data->update_lock);
 
@@ -282,8 +286,10 @@ static ssize_t get_pwm(struct device *dev, struct device_attribute *devattr,
 	int pwm;
 	struct max6650_data *data = max6650_update_device(dev);
 
-	/* Useful range for dac is 0-180 for 12V fans and 0-76 for 5V fans.
-	   Lower DAC values mean higher speeds. */
+	/*
+	 * Useful range for dac is 0-180 for 12V fans and 0-76 for 5V fans.
+	 * Lower DAC values mean higher speeds.
+	 */
 	if (data->config & MAX6650_CFG_V12)
 		pwm = 255 - (255 * (int)data->dac)/180;
 	else
@@ -300,7 +306,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct max6650_data *data = i2c_get_clientdata(client);
-	int pwm = simple_strtoul(buf, NULL, 10);
+	unsigned long pwm;
+	int err;
+
+	err = kstrtoul(buf, 10, &pwm);
+	if (err)
+		return err;
 
 	pwm = SENSORS_LIMIT(pwm, 0, 255);
 
@@ -341,14 +352,16 @@ static ssize_t set_enable(struct device *dev, struct device_attribute *devattr,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct max6650_data *data = i2c_get_clientdata(client);
-	int mode = simple_strtoul(buf, NULL, 10);
 	int max6650_modes[3] = {0, 3, 2};
+	unsigned long mode;
+	int err;
 
-	if ((mode < 0)||(mode > 2)) {
-		dev_err(&client->dev,
-			"illegal value for pwm1_enable (%d)\n", mode);
+	err = kstrtoul(buf, 10, &mode);
+	if (err)
+		return err;
+
+	if (mode > 2)
 		return -EINVAL;
-	}
 
 	mutex_lock(&data->update_lock);
 
@@ -389,7 +402,12 @@ static ssize_t set_div(struct device *dev, struct device_attribute *devattr,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct max6650_data *data = i2c_get_clientdata(client);
-	int div = simple_strtoul(buf, NULL, 10);
+	unsigned long div;
+	int err;
+
+	err = kstrtoul(buf, 10, &div);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	switch (div) {
@@ -407,8 +425,6 @@ static ssize_t set_div(struct device *dev, struct device_attribute *devattr,
 		break;
 	default:
 		mutex_unlock(&data->update_lock);
-		dev_err(&client->dev,
-			"illegal value for fan divider (%d)\n", div);
 		return -EINVAL;
 	}
 
@@ -529,7 +545,8 @@ static int max6650_probe(struct i2c_client *client,
 	struct max6650_data *data;
 	int err;
 
-	if (!(data = kzalloc(sizeof(struct max6650_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct max6650_data), GFP_KERNEL);
+	if (!data) {
 		dev_err(&client->dev, "out of memory.\n");
 		return -ENOMEM;
 	}
@@ -596,55 +613,54 @@ static int max6650_init_client(struct i2c_client *client)
 	}
 
 	switch (fan_voltage) {
-		case 0:
-			break;
-		case 5:
-			config &= ~MAX6650_CFG_V12;
-			break;
-		case 12:
-			config |= MAX6650_CFG_V12;
-			break;
-		default:
-			dev_err(&client->dev,
-				"illegal value for fan_voltage (%d)\n",
-				fan_voltage);
+	case 0:
+		break;
+	case 5:
+		config &= ~MAX6650_CFG_V12;
+		break;
+	case 12:
+		config |= MAX6650_CFG_V12;
+		break;
+	default:
+		dev_err(&client->dev, "illegal value for fan_voltage (%d)\n",
+			fan_voltage);
 	}
 
 	dev_info(&client->dev, "Fan voltage is set to %dV.\n",
 		 (config & MAX6650_CFG_V12) ? 12 : 5);
 
 	switch (prescaler) {
-		case 0:
-			break;
-		case 1:
-			config &= ~MAX6650_CFG_PRESCALER_MASK;
-			break;
-		case 2:
-			config = (config & ~MAX6650_CFG_PRESCALER_MASK)
-				 | MAX6650_CFG_PRESCALER_2;
-			break;
-		case  4:
-			config = (config & ~MAX6650_CFG_PRESCALER_MASK)
-				 | MAX6650_CFG_PRESCALER_4;
-			break;
-		case  8:
-			config = (config & ~MAX6650_CFG_PRESCALER_MASK)
-				 | MAX6650_CFG_PRESCALER_8;
-			break;
-		case 16:
-			config = (config & ~MAX6650_CFG_PRESCALER_MASK)
-				 | MAX6650_CFG_PRESCALER_16;
-			break;
-		default:
-			dev_err(&client->dev,
-				"illegal value for prescaler (%d)\n",
-				prescaler);
+	case 0:
+		break;
+	case 1:
+		config &= ~MAX6650_CFG_PRESCALER_MASK;
+		break;
+	case 2:
+		config = (config & ~MAX6650_CFG_PRESCALER_MASK)
+			 | MAX6650_CFG_PRESCALER_2;
+		break;
+	case  4:
+		config = (config & ~MAX6650_CFG_PRESCALER_MASK)
+			 | MAX6650_CFG_PRESCALER_4;
+		break;
+	case  8:
+		config = (config & ~MAX6650_CFG_PRESCALER_MASK)
+			 | MAX6650_CFG_PRESCALER_8;
+		break;
+	case 16:
+		config = (config & ~MAX6650_CFG_PRESCALER_MASK)
+			 | MAX6650_CFG_PRESCALER_16;
+		break;
+	default:
+		dev_err(&client->dev, "illegal value for prescaler (%d)\n",
+			prescaler);
 	}
 
 	dev_info(&client->dev, "Prescaler is set to %d.\n",
 		 1 << (config & MAX6650_CFG_PRESCALER_MASK));
 
-	/* If mode is set to "full off", we change it to "open loop" and
+	/*
+	 * If mode is set to "full off", we change it to "open loop" and
 	 * set DAC to 255, which has the same effect. We do this because
 	 * there's no "full off" mode defined in hwmon specifcations.
 	 */
@@ -698,9 +714,11 @@ static struct max6650_data *max6650_update_device(struct device *dev)
 							MAX6650_REG_COUNT);
 		data->dac = i2c_smbus_read_byte_data(client, MAX6650_REG_DAC);
 
-		/* Alarms are cleared on read in case the condition that
+		/*
+		 * Alarms are cleared on read in case the condition that
 		 * caused the alarm is removed. Keep the value latched here
-		 * for providing the register through different alarm files. */
+		 * for providing the register through different alarm files.
+		 */
 		data->alarm |= i2c_smbus_read_byte_data(client,
 							MAX6650_REG_ALARM);
 
@@ -713,19 +731,8 @@ static struct max6650_data *max6650_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_max6650_init(void)
-{
-	return i2c_add_driver(&max6650_driver);
-}
-
-static void __exit sensors_max6650_exit(void)
-{
-	i2c_del_driver(&max6650_driver);
-}
+module_i2c_driver(max6650_driver);
 
 MODULE_AUTHOR("Hans J. Koch");
 MODULE_DESCRIPTION("MAX6650 sensor driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_max6650_init);
-module_exit(sensors_max6650_exit);
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 3d99b8854d7c..79ba48c8c116 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -56,11 +56,11 @@ static u8 confreg[4];
 static int init = 1;
 module_param(init, int, 0);
 MODULE_PARM_DESC(init,
- "Chip initialization level:\n"
- " 0: None\n"
- "*1: Forcibly enable internal voltage and temperature channels, except in9\n"
- " 2: Forcibly enable all voltage and temperature channels, except in9\n"
- " 3: Forcibly enable all voltage and temperature channels, including in9");
+"Chip initialization level:\n"
+" 0: None\n"
+"*1: Forcibly enable internal voltage and temperature channels, except in9\n"
+" 2: Forcibly enable all voltage and temperature channels, except in9\n"
+" 3: Forcibly enable all voltage and temperature channels, including in9");
 
 static unsigned short force_id;
 module_param(force_id, ushort, 0);
@@ -88,19 +88,19 @@ static const u8 logdev[LDNI_MAX] = { FSCM, VLM, TMS };
 static inline void superio_outb(int sioaddr, int reg, int val)
 {
 	outb(reg, sioaddr);
-	outb(val, sioaddr+1);
+	outb(val, sioaddr + 1);
 }
 
 static inline int superio_inb(int sioaddr, int reg)
 {
 	outb(reg, sioaddr);
-	return inb(sioaddr+1);
+	return inb(sioaddr + 1);
 }
 
 static inline void superio_exit(int sioaddr)
 {
 	outb(0x02, sioaddr);
-	outb(0x02, sioaddr+1);
+	outb(0x02, sioaddr + 1);
 }
 
 /*
@@ -122,18 +122,18 @@ static inline void superio_exit(int sioaddr)
 #define PC87360_REG_FAN(nr)		(0x07 + 3 * (nr))
 #define PC87360_REG_FAN_STATUS(nr)	(0x08 + 3 * (nr))
 
-#define FAN_FROM_REG(val,div)		((val) == 0 ? 0: \
-					 480000 / ((val)*(div)))
-#define FAN_TO_REG(val,div)		((val) <= 100 ? 0 : \
-					 480000 / ((val)*(div)))
-#define FAN_DIV_FROM_REG(val)		(1 << ((val >> 5) & 0x03))
+#define FAN_FROM_REG(val, div)		((val) == 0 ? 0 : \
+					 480000 / ((val) * (div)))
+#define FAN_TO_REG(val, div)		((val) <= 100 ? 0 : \
+					 480000 / ((val) * (div)))
+#define FAN_DIV_FROM_REG(val)		(1 << (((val) >> 5) & 0x03))
 #define FAN_STATUS_FROM_REG(val)	((val) & 0x07)
 
-#define FAN_CONFIG_MONITOR(val,nr)	(((val) >> (2 + nr * 3)) & 1)
-#define FAN_CONFIG_CONTROL(val,nr)	(((val) >> (3 + nr * 3)) & 1)
-#define FAN_CONFIG_INVERT(val,nr)	(((val) >> (4 + nr * 3)) & 1)
+#define FAN_CONFIG_MONITOR(val, nr)	(((val) >> (2 + (nr) * 3)) & 1)
+#define FAN_CONFIG_CONTROL(val, nr)	(((val) >> (3 + (nr) * 3)) & 1)
+#define FAN_CONFIG_INVERT(val, nr)	(((val) >> (4 + (nr) * 3)) & 1)
 
-#define PWM_FROM_REG(val,inv)		((inv) ? 255 - (val) : (val))
+#define PWM_FROM_REG(val, inv)		((inv) ? 255 - (val) : (val))
 static inline u8 PWM_TO_REG(int val, int inv)
 {
 	if (inv)
@@ -159,10 +159,10 @@ static inline u8 PWM_TO_REG(int val, int inv)
 #define PC87365_REG_IN_ALARMS2		0x01
 #define PC87365_REG_VID			0x06
 
-#define IN_FROM_REG(val,ref)		(((val) * (ref) + 128) / 256)
-#define IN_TO_REG(val,ref)		((val) < 0 ? 0 : \
-					 (val)*256 >= (ref)*255 ? 255: \
-					 ((val) * 256 + (ref)/2) / (ref))
+#define IN_FROM_REG(val, ref)		(((val) * (ref) + 128) / 256)
+#define IN_TO_REG(val, ref)		((val) < 0 ? 0 : \
+					 (val) * 256 >= (ref) * 255 ? 255 : \
+					 ((val) * 256 + (ref) / 2) / (ref))
 
 /*
  * Temperature registers and conversions
@@ -255,43 +255,54 @@ static struct platform_driver pc87360_driver = {
  * Sysfs stuff
  */
 
-static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_fan_input(struct device *dev,
+			      struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index],
 		       FAN_DIV_FROM_REG(data->fan_status[attr->index])));
 }
-static ssize_t show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_fan_min(struct device *dev,
+			    struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index],
 		       FAN_DIV_FROM_REG(data->fan_status[attr->index])));
 }
-static ssize_t show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_fan_div(struct device *dev,
+			    struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n",
 		       FAN_DIV_FROM_REG(data->fan_status[attr->index]));
 }
-static ssize_t show_fan_status(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_fan_status(struct device *dev,
+			       struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n",
 		       FAN_STATUS_FROM_REG(data->fan_status[attr->index]));
 }
-static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, const char *buf,
+static ssize_t set_fan_min(struct device *dev,
+			   struct device_attribute *devattr, const char *buf,
 	size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = dev_get_drvdata(dev);
-	long fan_min = simple_strtol(buf, NULL, 10);
+	long fan_min;
+	int err;
+
+	err = kstrtol(buf, 10, &fan_min);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index]));
+	fan_min = FAN_TO_REG(fan_min,
+			     FAN_DIV_FROM_REG(data->fan_status[attr->index]));
 
 	/* If it wouldn't fit, change clock divisor */
 	while (fan_min > 255
@@ -301,11 +312,13 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr,
 		data->fan_status[attr->index] += 0x20;
 	}
 	data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min;
-	pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(attr->index),
+	pc87360_write_value(data, LD_FAN, NO_BANK,
+			    PC87360_REG_FAN_MIN(attr->index),
 			    data->fan_min[attr->index]);
 
 	/* Write new divider, preserve alarm bits */
-	pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index),
+	pc87360_write_value(data, LD_FAN, NO_BANK,
+			    PC87360_REG_FAN_STATUS(attr->index),
 			    data->fan_status[attr->index] & 0xF9);
 	mutex_unlock(&data->update_lock);
 
@@ -333,13 +346,16 @@ static struct sensor_device_attribute fan_min[] = {
 	SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2),
 };
 
-#define FAN_UNIT_ATTRS(X)	\
-	&fan_input[X].dev_attr.attr,	\
+#define FAN_UNIT_ATTRS(X)		\
+{	&fan_input[X].dev_attr.attr,	\
 	&fan_status[X].dev_attr.attr,	\
 	&fan_div[X].dev_attr.attr,	\
-	&fan_min[X].dev_attr.attr
+	&fan_min[X].dev_attr.attr,	\
+	NULL				\
+}
 
-static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
+			char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
@@ -348,12 +364,17 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, ch
 				    FAN_CONFIG_INVERT(data->fan_conf,
 						      attr->index)));
 }
-static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, const char *buf,
-	size_t count)
+static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
+		       const char *buf, size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->pwm[attr->index] = PWM_TO_REG(val,
@@ -370,52 +391,60 @@ static struct sensor_device_attribute pwm[] = {
 	SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2),
 };
 
-static struct attribute * pc8736x_fan_attr_array[] = {
+static struct attribute *pc8736x_fan_attr[][5] = {
 	FAN_UNIT_ATTRS(0),
 	FAN_UNIT_ATTRS(1),
-	FAN_UNIT_ATTRS(2),
-	&pwm[0].dev_attr.attr,
-	&pwm[1].dev_attr.attr,
-	&pwm[2].dev_attr.attr,
-	NULL
+	FAN_UNIT_ATTRS(2)
 };
-static const struct attribute_group pc8736x_fan_group = {
-	.attrs = pc8736x_fan_attr_array,
+
+static const struct attribute_group pc8736x_fan_attr_group[] = {
+	{ .attrs = pc8736x_fan_attr[0], },
+	{ .attrs = pc8736x_fan_attr[1], },
+	{ .attrs = pc8736x_fan_attr[2], },
 };
 
-static ssize_t show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_in_input(struct device *dev,
+			     struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
 		       data->in_vref));
 }
-static ssize_t show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_in_min(struct device *dev,
+			   struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
 		       data->in_vref));
 }
-static ssize_t show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_in_max(struct device *dev,
+			   struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
 		       data->in_vref));
 }
-static ssize_t show_in_status(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_in_status(struct device *dev,
+			      struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", data->in_status[attr->index]);
 }
-static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, const char *buf,
-	size_t count)
+static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr,
+			  const char *buf, size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
@@ -424,12 +453,17 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr,
 	mutex_unlock(&data->update_lock);
 	return count;
 }
-static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf,
-	size_t count)
+static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr,
+			  const char *buf, size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[attr->index] = IN_TO_REG(val,
@@ -498,9 +532,11 @@ static struct sensor_device_attribute in_max[] = {
 #define CHAN_ALM_MAX	0x04	/* max limit exceeded */
 #define TEMP_ALM_CRIT	0x08	/* temp crit exceeded (temp only) */
 
-/* show_in_min/max_alarm() reads data from the per-channel status
-   register (sec 11.5.12), not the vin event status registers (sec
-   11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) */
+/*
+ * show_in_min/max_alarm() reads data from the per-channel status
+ * register (sec 11.5.12), not the vin event status registers (sec
+ * 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms)
+ */
 
 static ssize_t show_in_min_alarm(struct device *dev,
 			struct device_attribute *devattr, char *buf)
@@ -554,27 +590,38 @@ static struct sensor_device_attribute in_max_alarm[] = {
 	&in_min_alarm[X].dev_attr.attr,	\
 	&in_max_alarm[X].dev_attr.attr
 
-static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
+			char *buf)
 {
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
 }
 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
 
-static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vrm(struct device *dev, struct device_attribute *attr,
+			char *buf)
 {
 	struct pc87360_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%u\n", data->vrm);
 }
-static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
+		       const char *buf, size_t count)
 {
 	struct pc87360_data *data = dev_get_drvdata(dev);
-	data->vrm = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	data->vrm = val;
 	return count;
 }
 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
 
-static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_in_alarms(struct device *dev,
+			      struct device_attribute *attr, char *buf)
 {
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", data->in_alarms);
@@ -602,46 +649,58 @@ static const struct attribute_group pc8736x_vin_group = {
 	.attrs = pc8736x_vin_attr_array,
 };
 
-static ssize_t show_therm_input(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_therm_input(struct device *dev,
+				struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
 		       data->in_vref));
 }
-static ssize_t show_therm_min(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_therm_min(struct device *dev,
+			      struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
 		       data->in_vref));
 }
-static ssize_t show_therm_max(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_therm_max(struct device *dev,
+			      struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
 		       data->in_vref));
 }
-static ssize_t show_therm_crit(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_therm_crit(struct device *dev,
+			       struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11],
 		       data->in_vref));
 }
-static ssize_t show_therm_status(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_therm_status(struct device *dev,
+				 struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", data->in_status[attr->index]);
 }
-static ssize_t set_therm_min(struct device *dev, struct device_attribute *devattr, const char *buf,
-	size_t count)
+
+static ssize_t set_therm_min(struct device *dev,
+			     struct device_attribute *devattr,
+			     const char *buf, size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
@@ -650,12 +709,19 @@ static ssize_t set_therm_min(struct device *dev, struct device_attribute *devatt
 	mutex_unlock(&data->update_lock);
 	return count;
 }
-static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf,
-	size_t count)
+
+static ssize_t set_therm_max(struct device *dev,
+			     struct device_attribute *devattr,
+			     const char *buf, size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[attr->index] = IN_TO_REG(val, data->in_vref);
@@ -664,12 +730,18 @@ static ssize_t set_therm_max(struct device *dev, struct device_attribute *devatt
 	mutex_unlock(&data->update_lock);
 	return count;
 }
-static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
-	size_t count)
+static ssize_t set_therm_crit(struct device *dev,
+			      struct device_attribute *devattr,
+			      const char *buf, size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref);
@@ -679,46 +751,49 @@ static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devat
 	return count;
 }
 
-/* the +11 term below reflects the fact that VLM units 11,12,13 are
-   used in the chip to measure voltage across the thermistors
-*/
+/*
+ * the +11 term below reflects the fact that VLM units 11,12,13 are
+ * used in the chip to measure voltage across the thermistors
+ */
 static struct sensor_device_attribute therm_input[] = {
-	SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0+11),
-	SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1+11),
-	SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2+11),
+	SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0 + 11),
+	SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1 + 11),
+	SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2 + 11),
 };
 static struct sensor_device_attribute therm_status[] = {
-	SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0+11),
-	SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1+11),
-	SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2+11),
+	SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0 + 11),
+	SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1 + 11),
+	SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2 + 11),
 };
 static struct sensor_device_attribute therm_min[] = {
 	SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR,
-		    show_therm_min, set_therm_min, 0+11),
+		    show_therm_min, set_therm_min, 0 + 11),
 	SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR,
-		    show_therm_min, set_therm_min, 1+11),
+		    show_therm_min, set_therm_min, 1 + 11),
 	SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR,
-		    show_therm_min, set_therm_min, 2+11),
+		    show_therm_min, set_therm_min, 2 + 11),
 };
 static struct sensor_device_attribute therm_max[] = {
 	SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR,
-		    show_therm_max, set_therm_max, 0+11),
+		    show_therm_max, set_therm_max, 0 + 11),
 	SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR,
-		    show_therm_max, set_therm_max, 1+11),
+		    show_therm_max, set_therm_max, 1 + 11),
 	SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR,
-		    show_therm_max, set_therm_max, 2+11),
+		    show_therm_max, set_therm_max, 2 + 11),
 };
 static struct sensor_device_attribute therm_crit[] = {
 	SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR,
-		    show_therm_crit, set_therm_crit, 0+11),
+		    show_therm_crit, set_therm_crit, 0 + 11),
 	SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR,
-		    show_therm_crit, set_therm_crit, 1+11),
+		    show_therm_crit, set_therm_crit, 1 + 11),
 	SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR,
-		    show_therm_crit, set_therm_crit, 2+11),
+		    show_therm_crit, set_therm_crit, 2 + 11),
 };
 
-/* show_therm_min/max_alarm() reads data from the per-channel voltage
-   status register (sec 11.5.12) */
+/*
+ * show_therm_min/max_alarm() reads data from the per-channel voltage
+ * status register (sec 11.5.12)
+ */
 
 static ssize_t show_therm_min_alarm(struct device *dev,
 				struct device_attribute *devattr, char *buf)
@@ -747,27 +822,27 @@ static ssize_t show_therm_crit_alarm(struct device *dev,
 
 static struct sensor_device_attribute therm_min_alarm[] = {
 	SENSOR_ATTR(temp4_min_alarm, S_IRUGO,
-		    show_therm_min_alarm, NULL, 0+11),
+		    show_therm_min_alarm, NULL, 0 + 11),
 	SENSOR_ATTR(temp5_min_alarm, S_IRUGO,
-		    show_therm_min_alarm, NULL, 1+11),
+		    show_therm_min_alarm, NULL, 1 + 11),
 	SENSOR_ATTR(temp6_min_alarm, S_IRUGO,
-		    show_therm_min_alarm, NULL, 2+11),
+		    show_therm_min_alarm, NULL, 2 + 11),
 };
 static struct sensor_device_attribute therm_max_alarm[] = {
 	SENSOR_ATTR(temp4_max_alarm, S_IRUGO,
-		    show_therm_max_alarm, NULL, 0+11),
+		    show_therm_max_alarm, NULL, 0 + 11),
 	SENSOR_ATTR(temp5_max_alarm, S_IRUGO,
-		    show_therm_max_alarm, NULL, 1+11),
+		    show_therm_max_alarm, NULL, 1 + 11),
 	SENSOR_ATTR(temp6_max_alarm, S_IRUGO,
-		    show_therm_max_alarm, NULL, 2+11),
+		    show_therm_max_alarm, NULL, 2 + 11),
 };
 static struct sensor_device_attribute therm_crit_alarm[] = {
 	SENSOR_ATTR(temp4_crit_alarm, S_IRUGO,
-		    show_therm_crit_alarm, NULL, 0+11),
+		    show_therm_crit_alarm, NULL, 0 + 11),
 	SENSOR_ATTR(temp5_crit_alarm, S_IRUGO,
-		    show_therm_crit_alarm, NULL, 1+11),
+		    show_therm_crit_alarm, NULL, 1 + 11),
 	SENSOR_ATTR(temp6_crit_alarm, S_IRUGO,
-		    show_therm_crit_alarm, NULL, 2+11),
+		    show_therm_crit_alarm, NULL, 2 + 11),
 };
 
 #define THERM_UNIT_ATTRS(X) \
@@ -780,7 +855,7 @@ static struct sensor_device_attribute therm_crit_alarm[] = {
 	&therm_max_alarm[X].dev_attr.attr, \
 	&therm_crit_alarm[X].dev_attr.attr
 
-static struct attribute * pc8736x_therm_attr_array[] = {
+static struct attribute *pc8736x_therm_attr_array[] = {
 	THERM_UNIT_ATTRS(0),
 	THERM_UNIT_ATTRS(1),
 	THERM_UNIT_ATTRS(2),
@@ -790,42 +865,59 @@ static const struct attribute_group pc8736x_therm_group = {
 	.attrs = pc8736x_therm_attr_array,
 };
 
-static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf)
+static ssize_t show_temp_input(struct device *dev,
+			       struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));
 }
-static ssize_t show_temp_min(struct device *dev, struct device_attribute *devattr, char *buf)
+
+static ssize_t show_temp_min(struct device *dev,
+			     struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index]));
 }
-static ssize_t show_temp_max(struct device *dev, struct device_attribute *devattr, char *buf)
+
+static ssize_t show_temp_max(struct device *dev,
+			     struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index]));
 }
-static ssize_t show_temp_crit(struct device *dev, struct device_attribute *devattr, char *buf)
+
+static ssize_t show_temp_crit(struct device *dev,
+			      struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[attr->index]));
+	return sprintf(buf, "%d\n",
+		       TEMP_FROM_REG(data->temp_crit[attr->index]));
 }
-static ssize_t show_temp_status(struct device *dev, struct device_attribute *devattr, char *buf)
+
+static ssize_t show_temp_status(struct device *dev,
+				struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%d\n", data->temp_status[attr->index]);
 }
-static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr, const char *buf,
-	size_t count)
+
+static ssize_t set_temp_min(struct device *dev,
+			    struct device_attribute *devattr,
+			    const char *buf, size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_min[attr->index] = TEMP_TO_REG(val);
@@ -834,12 +926,19 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr
 	mutex_unlock(&data->update_lock);
 	return count;
 }
-static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf,
-	size_t count)
+
+static ssize_t set_temp_max(struct device *dev,
+			    struct device_attribute *devattr,
+			    const char *buf, size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_max[attr->index] = TEMP_TO_REG(val);
@@ -848,12 +947,19 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr
 	mutex_unlock(&data->update_lock);
 	return count;
 }
-static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
-	size_t count)
+
+static ssize_t set_temp_crit(struct device *dev,
+			     struct device_attribute *devattr, const char *buf,
+			     size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct pc87360_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_crit[attr->index] = TEMP_TO_REG(val);
@@ -898,16 +1004,20 @@ static struct sensor_device_attribute temp_crit[] = {
 		    show_temp_crit, set_temp_crit, 2),
 };
 
-static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_alarms(struct device *dev,
+				struct device_attribute *attr, char *buf)
 {
 	struct pc87360_data *data = pc87360_update_device(dev);
 	return sprintf(buf, "%u\n", data->temp_alarms);
 }
+
 static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
 
-/* show_temp_min/max_alarm() reads data from the per-channel status
-   register (sec 12.3.7), not the temp event status registers (sec
-   12.3.2) that show_temp_alarm() reads (via data->temp_alarms) */
+/*
+ * show_temp_min/max_alarm() reads data from the per-channel status
+ * register (sec 12.3.7), not the temp event status registers (sec
+ * 12.3.2) that show_temp_alarm() reads (via data->temp_alarms)
+ */
 
 static ssize_t show_temp_min_alarm(struct device *dev,
 			struct device_attribute *devattr, char *buf)
@@ -917,6 +1027,7 @@ static ssize_t show_temp_min_alarm(struct device *dev,
 
 	return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN));
 }
+
 static ssize_t show_temp_max_alarm(struct device *dev,
 			struct device_attribute *devattr, char *buf)
 {
@@ -925,6 +1036,7 @@ static ssize_t show_temp_max_alarm(struct device *dev,
 
 	return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX));
 }
+
 static ssize_t show_temp_crit_alarm(struct device *dev,
 			struct device_attribute *devattr, char *buf)
 {
@@ -939,11 +1051,13 @@ static struct sensor_device_attribute temp_min_alarm[] = {
 	SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 1),
 	SENSOR_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 2),
 };
+
 static struct sensor_device_attribute temp_max_alarm[] = {
 	SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 0),
 	SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 1),
 	SENSOR_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 2),
 };
+
 static struct sensor_device_attribute temp_crit_alarm[] = {
 	SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 0),
 	SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 1),
@@ -965,27 +1079,29 @@ static struct sensor_device_attribute temp_fault[] = {
 	SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2),
 };
 
-#define TEMP_UNIT_ATTRS(X) \
-	&temp_input[X].dev_attr.attr,	\
-	&temp_status[X].dev_attr.attr,	\
-	&temp_min[X].dev_attr.attr,	\
-	&temp_max[X].dev_attr.attr,	\
-	&temp_crit[X].dev_attr.attr,	\
-	&temp_min_alarm[X].dev_attr.attr, \
-	&temp_max_alarm[X].dev_attr.attr, \
-	&temp_crit_alarm[X].dev_attr.attr, \
-	&temp_fault[X].dev_attr.attr
-
-static struct attribute * pc8736x_temp_attr_array[] = {
+#define TEMP_UNIT_ATTRS(X)			\
+{	&temp_input[X].dev_attr.attr,		\
+	&temp_status[X].dev_attr.attr,		\
+	&temp_min[X].dev_attr.attr,		\
+	&temp_max[X].dev_attr.attr,		\
+	&temp_crit[X].dev_attr.attr,		\
+	&temp_min_alarm[X].dev_attr.attr,	\
+	&temp_max_alarm[X].dev_attr.attr,	\
+	&temp_crit_alarm[X].dev_attr.attr,	\
+	&temp_fault[X].dev_attr.attr,		\
+	NULL					\
+}
+
+static struct attribute *pc8736x_temp_attr[][10] = {
 	TEMP_UNIT_ATTRS(0),
 	TEMP_UNIT_ATTRS(1),
-	TEMP_UNIT_ATTRS(2),
-	/* include the few miscellaneous atts here */
-	&dev_attr_alarms_temp.attr,
-	NULL
+	TEMP_UNIT_ATTRS(2)
 };
-static const struct attribute_group pc8736x_temp_group = {
-	.attrs = pc8736x_temp_attr_array,
+
+static const struct attribute_group pc8736x_temp_attr_group[] = {
+	{ .attrs = pc8736x_temp_attr[0] },
+	{ .attrs = pc8736x_temp_attr[1] },
+	{ .attrs = pc8736x_temp_attr[2] }
 };
 
 static ssize_t show_name(struct device *dev,
@@ -994,13 +1110,15 @@ static ssize_t show_name(struct device *dev,
 	struct pc87360_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%s\n", data->name);
 }
+
 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
 
 /*
  * Device detection, registration and update
  */
 
-static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses)
+static int __init pc87360_find(int sioaddr, u8 *devid,
+			       unsigned short *addresses)
 {
 	u16 val;
 	int i;
@@ -1047,7 +1165,7 @@ static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses
 
 		addresses[i] = val;
 
-		if (i==0) { /* Fans */
+		if (i == 0) { /* Fans */
 			confreg[0] = superio_inb(sioaddr, 0xF0);
 			confreg[1] = superio_inb(sioaddr, 0xF1);
 
@@ -1060,12 +1178,14 @@ static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses
 			pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 3,
 				 confreg[1] & 1, (confreg[1] >> 1) & 1,
 				 (confreg[1] >> 2) & 1);
-		} else if (i==1) { /* Voltages */
+		} else if (i == 1) { /* Voltages */
 			/* Are we using thermistors? */
 			if (*devid == 0xE9) { /* PC87366 */
-				/* These registers are not logical-device
-				   specific, just that we won't need them if
-				   we don't use the VLM device */
+				/*
+				 * These registers are not logical-device
+				 * specific, just that we won't need them if
+				 * we don't use the VLM device
+				 */
 				confreg[2] = superio_inb(sioaddr, 0x2B);
 				confreg[3] = superio_inb(sioaddr, 0x25);
 
@@ -1085,6 +1205,22 @@ static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses
 	return 0;
 }
 
+static void pc87360_remove_files(struct device *dev)
+{
+	int i;
+
+	device_remove_file(dev, &dev_attr_name);
+	device_remove_file(dev, &dev_attr_alarms_temp);
+	for (i = 0; i < ARRAY_SIZE(pc8736x_temp_attr_group); i++)
+		sysfs_remove_group(&dev->kobj, &pc8736x_temp_attr_group[i]);
+	for (i = 0; i < ARRAY_SIZE(pc8736x_fan_attr_group); i++) {
+		sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_attr_group[i]);
+		device_remove_file(dev, &pwm[i].dev_attr);
+	}
+	sysfs_remove_group(&dev->kobj, &pc8736x_therm_group);
+	sysfs_remove_group(&dev->kobj, &pc8736x_vin_group);
+}
+
 static int __devinit pc87360_probe(struct platform_device *pdev)
 {
 	int i;
@@ -1094,7 +1230,8 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
 	int use_thermistors = 0;
 	struct device *dev = &pdev->dev;
 
-	if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
+	data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL);
+	if (!data)
 		return -ENOMEM;
 
 	data->fannr = 2;
@@ -1130,9 +1267,10 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, data);
 
 	for (i = 0; i < LDNI_MAX; i++) {
-		if (((data->address[i] = extra_isa[i]))
+		data->address[i] = extra_isa[i];
+		if (data->address[i]
 		 && !request_region(extra_isa[i], PC87360_EXTENT,
-		 		    pc87360_driver.driver.name)) {
+				    pc87360_driver.driver.name)) {
 			dev_err(dev, "Region 0x%x-0x%x already "
 				"in use!\n", extra_isa[i],
 				extra_isa[i]+PC87360_EXTENT-1);
@@ -1147,9 +1285,11 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
 	if (data->fannr)
 		data->fan_conf = confreg[0] | (confreg[1] << 8);
 
-	/* Use the correct reference voltage
-	   Unless both the VLM and the TMS logical devices agree to
-	   use an external Vref, the internal one is used. */
+	/*
+	 * Use the correct reference voltage
+	 * Unless both the VLM and the TMS logical devices agree to
+	 * use an external Vref, the internal one is used.
+	 */
 	if (data->innr) {
 		i = pc87360_read_value(data, LD_IN, NO_BANK,
 				       PC87365_REG_IN_CONFIG);
@@ -1182,62 +1322,48 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
 
 	/* Register all-or-nothing sysfs groups */
 
-	if (data->innr &&
-	    (err = sysfs_create_group(&dev->kobj,
-				      &pc8736x_vin_group)))
-		goto ERROR3;
+	if (data->innr) {
+		err = sysfs_create_group(&dev->kobj, &pc8736x_vin_group);
+		if (err)
+			goto ERROR3;
+	}
 
-	if (data->innr == 14 &&
-	    (err = sysfs_create_group(&dev->kobj,
-				      &pc8736x_therm_group)))
-		goto ERROR3;
+	if (data->innr == 14) {
+		err = sysfs_create_group(&dev->kobj, &pc8736x_therm_group);
+		if (err)
+			goto ERROR3;
+	}
 
 	/* create device attr-files for varying sysfs groups */
 
 	if (data->tempnr) {
 		for (i = 0; i < data->tempnr; i++) {
-			if ((err = device_create_file(dev,
-					&temp_input[i].dev_attr))
-			    || (err = device_create_file(dev,
-					&temp_min[i].dev_attr))
-			    || (err = device_create_file(dev,
-					&temp_max[i].dev_attr))
-			    || (err = device_create_file(dev,
-					&temp_crit[i].dev_attr))
-			    || (err = device_create_file(dev,
-					&temp_status[i].dev_attr))
-			    || (err = device_create_file(dev,
-					&temp_min_alarm[i].dev_attr))
-			    || (err = device_create_file(dev,
-					&temp_max_alarm[i].dev_attr))
-			    || (err = device_create_file(dev,
-					&temp_crit_alarm[i].dev_attr))
-			    || (err = device_create_file(dev,
-					&temp_fault[i].dev_attr)))
+			err = sysfs_create_group(&dev->kobj,
+						 &pc8736x_temp_attr_group[i]);
+			if (err)
 				goto ERROR3;
 		}
-		if ((err = device_create_file(dev, &dev_attr_alarms_temp)))
+		err = device_create_file(dev, &dev_attr_alarms_temp);
+		if (err)
 			goto ERROR3;
 	}
 
 	for (i = 0; i < data->fannr; i++) {
-		if (FAN_CONFIG_MONITOR(data->fan_conf, i)
-		    && ((err = device_create_file(dev,
-					&fan_input[i].dev_attr))
-			|| (err = device_create_file(dev,
-					&fan_min[i].dev_attr))
-			|| (err = device_create_file(dev,
-					&fan_div[i].dev_attr))
-			|| (err = device_create_file(dev,
-					&fan_status[i].dev_attr))))
-			goto ERROR3;
-
-		if (FAN_CONFIG_CONTROL(data->fan_conf, i)
-		    && (err = device_create_file(dev, &pwm[i].dev_attr)))
-			goto ERROR3;
+		if (FAN_CONFIG_MONITOR(data->fan_conf, i)) {
+			err = sysfs_create_group(&dev->kobj,
+						 &pc8736x_fan_attr_group[i]);
+			if (err)
+				goto ERROR3;
+		}
+		if (FAN_CONFIG_CONTROL(data->fan_conf, i)) {
+			err = device_create_file(dev, &pwm[i].dev_attr);
+			if (err)
+				goto ERROR3;
+		}
 	}
 
-	if ((err = device_create_file(dev, &dev_attr_name)))
+	err = device_create_file(dev, &dev_attr_name);
+	if (err)
 		goto ERROR3;
 
 	data->hwmon_dev = hwmon_device_register(dev);
@@ -1248,16 +1374,10 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
 	return 0;
 
 ERROR3:
-	device_remove_file(dev, &dev_attr_name);
-	/* can still remove groups whose members were added individually */
-	sysfs_remove_group(&dev->kobj, &pc8736x_temp_group);
-	sysfs_remove_group(&dev->kobj, &pc8736x_fan_group);
-	sysfs_remove_group(&dev->kobj, &pc8736x_therm_group);
-	sysfs_remove_group(&dev->kobj, &pc8736x_vin_group);
+	pc87360_remove_files(dev);
 	for (i = 0; i < 3; i++) {
-		if (data->address[i]) {
+		if (data->address[i])
 			release_region(data->address[i], PC87360_EXTENT);
-		}
 	}
 ERROR1:
 	kfree(data);
@@ -1270,25 +1390,20 @@ static int __devexit pc87360_remove(struct platform_device *pdev)
 	int i;
 
 	hwmon_device_unregister(data->hwmon_dev);
-
-	device_remove_file(&pdev->dev, &dev_attr_name);
-	sysfs_remove_group(&pdev->dev.kobj, &pc8736x_temp_group);
-	sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_group);
-	sysfs_remove_group(&pdev->dev.kobj, &pc8736x_therm_group);
-	sysfs_remove_group(&pdev->dev.kobj, &pc8736x_vin_group);
-
+	pc87360_remove_files(&pdev->dev);
 	for (i = 0; i < 3; i++) {
-		if (data->address[i]) {
+		if (data->address[i])
 			release_region(data->address[i], PC87360_EXTENT);
-		}
 	}
 	kfree(data);
 
 	return 0;
 }
 
-/* ldi is the logical device index
-   bank is for voltages and temperatures only */
+/*
+ * ldi is the logical device index
+ * bank is for voltages and temperatures only
+ */
 static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
 			      u8 reg)
 {
@@ -1359,8 +1474,10 @@ static void pc87360_init_device(struct platform_device *pdev,
 		}
 	}
 
-	/* We can't blindly trust the Super-I/O space configuration bit,
-	   most BIOS won't set it properly */
+	/*
+	 * We can't blindly trust the Super-I/O space configuration bit,
+	 * most BIOS won't set it properly
+	 */
 	dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors);
 	for (i = 11; i < data->innr; i++) {
 		reg = pc87360_read_value(data, LD_IN, i,
@@ -1375,12 +1492,12 @@ static void pc87360_init_device(struct platform_device *pdev,
 	for (; i < data->tempnr; i++) {
 		reg = pc87360_read_value(data, LD_TEMP, i,
 					 PC87365_REG_TEMP_STATUS);
-		dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i+1, reg);
+		dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i + 1, reg);
 		if (init >= init_temp[i]) {
 			/* Forcibly enable temperature channel */
 			if (!(reg & CHAN_ENA)) {
-				dev_dbg(&pdev->dev, "Forcibly "
-					"enabling temp%d\n", i+1);
+				dev_dbg(&pdev->dev,
+					"Forcibly enabling temp%d\n", i + 1);
 				pc87360_write_value(data, LD_TEMP, i,
 						    PC87365_REG_TEMP_STATUS,
 						    0xCF);
@@ -1391,14 +1508,16 @@ static void pc87360_init_device(struct platform_device *pdev,
 	if (use_thermistors) {
 		for (i = 11; i < data->innr; i++) {
 			if (init >= init_in[i]) {
-				/* The pin may already be used by thermal
-				   diodes */
+				/*
+				 * The pin may already be used by thermal
+				 * diodes
+				 */
 				reg = pc87360_read_value(data, LD_TEMP,
-				      (i-11)/2, PC87365_REG_TEMP_STATUS);
+				      (i - 11) / 2, PC87365_REG_TEMP_STATUS);
 				if (reg & CHAN_ENA) {
-					dev_dbg(&pdev->dev, "Skipping "
-						"temp%d, pin already in use "
-						"by temp%d\n", i-7, (i-11)/2);
+					dev_dbg(&pdev->dev,
+			"Skipping temp%d, pin already in use by temp%d\n",
+						i - 7, (i - 11) / 2);
 					continue;
 				}
 
@@ -1406,8 +1525,9 @@ static void pc87360_init_device(struct platform_device *pdev,
 				reg = pc87360_read_value(data, LD_IN, i,
 							 PC87365_REG_IN_STATUS);
 				if (!(reg & CHAN_ENA)) {
-					dev_dbg(&pdev->dev, "Forcibly "
-						"enabling temp%d\n", i-7);
+					dev_dbg(&pdev->dev,
+						"Forcibly enabling temp%d\n",
+						i - 7);
 					pc87360_write_value(data, LD_IN, i,
 						PC87365_REG_TEMP_STATUS,
 						(reg & 0x60) | 0x8F);
@@ -1421,8 +1541,8 @@ static void pc87360_init_device(struct platform_device *pdev,
 					 PC87365_REG_IN_CONFIG);
 		dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg);
 		if (reg & CHAN_ENA) {
-			dev_dbg(&pdev->dev, "Forcibly "
-				"enabling monitoring (VLM)\n");
+			dev_dbg(&pdev->dev,
+				"Forcibly enabling monitoring (VLM)\n");
 			pc87360_write_value(data, LD_IN, NO_BANK,
 					    PC87365_REG_IN_CONFIG,
 					    reg & 0xFE);
@@ -1434,8 +1554,8 @@ static void pc87360_init_device(struct platform_device *pdev,
 					 PC87365_REG_TEMP_CONFIG);
 		dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg);
 		if (reg & CHAN_ENA) {
-			dev_dbg(&pdev->dev, "Forcibly enabling "
-				"monitoring (TMS)\n");
+			dev_dbg(&pdev->dev,
+				"Forcibly enabling monitoring (TMS)\n");
 			pc87360_write_value(data, LD_TEMP, NO_BANK,
 					    PC87365_REG_TEMP_CONFIG,
 					    reg & 0xFE);
@@ -1444,10 +1564,12 @@ static void pc87360_init_device(struct platform_device *pdev,
 		if (init >= 2) {
 			/* Chip config as documented by National Semi. */
 			pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08);
-			/* We voluntarily omit the bank here, in case the
-			   sequence itself matters. It shouldn't be a problem,
-			   since nobody else is supposed to access the
-			   device at that point. */
+			/*
+			 * We voluntarily omit the bank here, in case the
+			 * sequence itself matters. It shouldn't be a problem,
+			 * since nobody else is supposed to access the
+			 * device at that point.
+			 */
 			pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04);
 			pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35);
 			pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05);
@@ -1470,7 +1592,7 @@ static void pc87360_autodiv(struct device *dev, int nr)
 			data->fan[nr] >>= 1;
 			dev_dbg(dev, "Increasing "
 				"clock divider to %d for fan %d\n",
-				FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1);
+				FAN_DIV_FROM_REG(data->fan_status[nr]), nr + 1);
 		}
 	} else {
 		/* Decrease clock divider if possible */
@@ -1483,7 +1605,7 @@ static void pc87360_autodiv(struct device *dev, int nr)
 			dev_dbg(dev, "Decreasing "
 				"clock divider to %d for fan %d\n",
 				FAN_DIV_FROM_REG(data->fan_status[nr]),
-				nr+1);
+				nr + 1);
 		}
 	}
 
diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c
index cb35461d52d9..37059a3755e9 100644
--- a/drivers/hwmon/pc87427.c
+++ b/drivers/hwmon/pc87427.c
@@ -46,9 +46,11 @@ static struct platform_device *pdev;
 
 #define DRVNAME "pc87427"
 
-/* The lock mutex protects both the I/O accesses (needed because the
-   device is using banked registers) and the register cache (needed to keep
-   the data in the registers and the cache in sync at any time). */
+/*
+ * The lock mutex protects both the I/O accesses (needed because the
+ * device is using banked registers) and the register cache (needed to keep
+ * the data in the registers and the cache in sync at any time).
+ */
 struct pc87427_data {
 	struct device *hwmon_dev;
 	struct mutex lock;
@@ -173,10 +175,12 @@ static inline void pc87427_write8_bank(struct pc87427_data *data, u8 ldi,
 #define FAN_STATUS_LOSPD		(1 << 1)
 #define FAN_STATUS_MONEN		(1 << 0)
 
-/* Dedicated function to read all registers related to a given fan input.
-   This saves us quite a few locks and bank selections.
-   Must be called with data->lock held.
-   nr is from 0 to 7 */
+/*
+ * Dedicated function to read all registers related to a given fan input.
+ * This saves us quite a few locks and bank selections.
+ * Must be called with data->lock held.
+ * nr is from 0 to 7
+ */
 static void pc87427_readall_fan(struct pc87427_data *data, u8 nr)
 {
 	int iobase = data->address[LD_FAN];
@@ -189,8 +193,10 @@ static void pc87427_readall_fan(struct pc87427_data *data, u8 nr)
 	outb(data->fan_status[nr], iobase + PC87427_REG_FAN_STATUS);
 }
 
-/* The 2 LSB of fan speed registers are used for something different.
-   The actual 2 LSB of the measurements are not available. */
+/*
+ * The 2 LSB of fan speed registers are used for something different.
+ * The actual 2 LSB of the measurements are not available.
+ */
 static inline unsigned long fan_from_reg(u16 reg)
 {
 	reg &= 0xfffc;
@@ -224,10 +230,12 @@ static inline u16 fan_to_reg(unsigned long val)
 #define PWM_MODE_OFF			(2 << 4)
 #define PWM_MODE_ON			(7 << 4)
 
-/* Dedicated function to read all registers related to a given PWM output.
-   This saves us quite a few locks and bank selections.
-   Must be called with data->lock held.
-   nr is from 0 to 3 */
+/*
+ * Dedicated function to read all registers related to a given PWM output.
+ * This saves us quite a few locks and bank selections.
+ * Must be called with data->lock held.
+ * nr is from 0 to 3
+ */
 static void pc87427_readall_pwm(struct pc87427_data *data, u8 nr)
 {
 	int iobase = data->address[LD_FAN];
@@ -286,10 +294,12 @@ static inline u8 pwm_enable_to_reg(unsigned long val, u8 pwmval)
 #define TEMP_TYPE_REMOTE_DIODE		(2 << 5)
 #define TEMP_TYPE_LOCAL_DIODE		(3 << 5)
 
-/* Dedicated function to read all registers related to a given temperature
-   input. This saves us quite a few locks and bank selections.
-   Must be called with data->lock held.
-   nr is from 0 to 5 */
+/*
+ * Dedicated function to read all registers related to a given temperature
+ * input. This saves us quite a few locks and bank selections.
+ * Must be called with data->lock held.
+ * nr is from 0 to 5
+ */
 static void pc87427_readall_temp(struct pc87427_data *data, u8 nr)
 {
 	int iobase = data->address[LD_TEMP];
@@ -318,8 +328,10 @@ static inline unsigned int temp_type_from_reg(u8 reg)
 	}
 }
 
-/* We assume 8-bit thermal sensors; 9-bit thermal sensors are possible
-   too, but I have no idea how to figure out when they are used. */
+/*
+ * We assume 8-bit thermal sensors; 9-bit thermal sensors are possible
+ * too, but I have no idea how to figure out when they are used.
+ */
 static inline long temp_from_reg(s16 reg)
 {
 	return reg * 1000 / 256;
@@ -423,9 +435,11 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute
 
 	mutex_lock(&data->lock);
 	outb(BANK_FM(nr), iobase + PC87427_REG_BANK);
-	/* The low speed limit registers are read-only while monitoring
-	   is enabled, so we have to disable monitoring, then change the
-	   limit, and finally enable monitoring again. */
+	/*
+	 * The low speed limit registers are read-only while monitoring
+	 * is enabled, so we have to disable monitoring, then change the
+	 * limit, and finally enable monitoring again.
+	 */
 	outb(0, iobase + PC87427_REG_FAN_STATUS);
 	data->fan_min[nr] = fan_to_reg(val);
 	outw(data->fan_min[nr], iobase + PC87427_REG_FAN_MIN);
@@ -542,8 +556,10 @@ static const struct attribute_group pc87427_group_fan[8] = {
 	{ .attrs = pc87427_attributes_fan[7] },
 };
 
-/* Must be called with data->lock held and pc87427_readall_pwm() freshly
-   called */
+/*
+ * Must be called with data->lock held and pc87427_readall_pwm() freshly
+ * called
+ */
 static void update_pwm_enable(struct pc87427_data *data, int nr, u8 mode)
 {
 	int iobase = data->address[LD_FAN];
@@ -1023,9 +1039,11 @@ static void __devinit pc87427_init_device(struct device *dev)
 		if (reg & PWM_ENABLE_CTLEN)
 			data->pwm_enabled |= (1 << i);
 
-		/* We don't expose an interface to reconfigure the automatic
-		   fan control mode, so only allow to return to this mode if
-		   it was originally set. */
+		/*
+		 * We don't expose an interface to reconfigure the automatic
+		 * fan control mode, so only allow to return to this mode if
+		 * it was originally set.
+		 */
 		if ((reg & PWM_ENABLE_MODE_MASK) == PWM_MODE_AUTO) {
 			dev_dbg(dev, "PWM%d is in automatic control mode\n",
 				i + 1);
diff --git a/drivers/hwmon/pcf8591.c b/drivers/hwmon/pcf8591.c
index 731b09af76b9..4174c7463d70 100644
--- a/drivers/hwmon/pcf8591.c
+++ b/drivers/hwmon/pcf8591.c
@@ -1,22 +1,22 @@
 /*
-    Copyright (C) 2001-2004 Aurelien Jarno <aurelien@aurel32.net>
-    Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
-    the help of Jean Delvare <khali@linux-fr.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * Copyright (C) 2001-2004 Aurelien Jarno <aurelien@aurel32.net>
+ * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
+ * the help of Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -39,28 +39,34 @@ MODULE_PARM_DESC(input_mode,
 	" 2 = single ended and differential mixed\n"
 	" 3 = two differential inputs\n");
 
-/* The PCF8591 control byte
-      7    6    5    4    3    2    1    0
-   |  0 |AOEF|   AIP   |  0 |AINC|  AICH   | */
+/*
+ * The PCF8591 control byte
+ *      7    6    5    4    3    2    1    0
+ *   |  0 |AOEF|   AIP   |  0 |AINC|  AICH   |
+ */
 
 /* Analog Output Enable Flag (analog output active if 1) */
 #define PCF8591_CONTROL_AOEF		0x40
 
-/* Analog Input Programming
-   0x00 = four single ended inputs
-   0x10 = three differential inputs
-   0x20 = single ended and differential mixed
-   0x30 = two differential inputs */
+/*
+ * Analog Input Programming
+ * 0x00 = four single ended inputs
+ * 0x10 = three differential inputs
+ * 0x20 = single ended and differential mixed
+ * 0x30 = two differential inputs
+ */
 #define PCF8591_CONTROL_AIP_MASK	0x30
 
 /* Autoincrement Flag (switch on if 1) */
 #define PCF8591_CONTROL_AINC		0x04
 
-/* Channel selection
-   0x00 = channel 0
-   0x01 = channel 1
-   0x02 = channel 2
-   0x03 = channel 3 */
+/*
+ * Channel selection
+ * 0x00 = channel 0
+ * 0x01 = channel 1
+ * 0x02 = channel 2
+ * 0x03 = channel 3
+ */
 #define PCF8591_CONTROL_AICH_MASK	0x03
 
 /* Initial values */
@@ -68,7 +74,7 @@ MODULE_PARM_DESC(input_mode,
 #define PCF8591_INIT_AOUT	0	/* DAC out = 0 */
 
 /* Conversions */
-#define REG_TO_SIGNED(reg)	(((reg) & 0x80)?((reg) - 256):(reg))
+#define REG_TO_SIGNED(reg)	(((reg) & 0x80) ? ((reg) - 256) : (reg))
 
 struct pcf8591_data {
 	struct device *hwmon_dev;
@@ -83,7 +89,9 @@ static int pcf8591_read_channel(struct device *dev, int channel);
 
 /* following are the sysfs callback functions */
 #define show_in_channel(channel)					\
-static ssize_t show_in##channel##_input(struct device *dev, struct device_attribute *attr, char *buf)	\
+static ssize_t show_in##channel##_input(struct device *dev,		\
+					struct device_attribute *attr,	\
+					char *buf)			\
 {									\
 	return sprintf(buf, "%d\n", pcf8591_read_channel(dev, channel));\
 }									\
@@ -95,39 +103,57 @@ show_in_channel(1);
 show_in_channel(2);
 show_in_channel(3);
 
-static ssize_t show_out0_ouput(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_out0_ouput(struct device *dev,
+			       struct device_attribute *attr, char *buf)
 {
 	struct pcf8591_data *data = i2c_get_clientdata(to_i2c_client(dev));
 	return sprintf(buf, "%d\n", data->aout * 10);
 }
 
-static ssize_t set_out0_output(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_out0_output(struct device *dev,
+			       struct device_attribute *attr,
+			       const char *buf, size_t count)
 {
-	unsigned int value;
+	unsigned long val;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct pcf8591_data *data = i2c_get_clientdata(client);
-	if ((value = (simple_strtoul(buf, NULL, 10) + 5) / 10) <= 255) {
-		data->aout = value;
-		i2c_smbus_write_byte_data(client, data->control, data->aout);
-		return count;
-	}
-	return -EINVAL;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	val /= 10;
+	if (val > 255)
+		return -EINVAL;
+
+	data->aout = val;
+	i2c_smbus_write_byte_data(client, data->control, data->aout);
+	return count;
 }
 
 static DEVICE_ATTR(out0_output, S_IWUSR | S_IRUGO,
 		   show_out0_ouput, set_out0_output);
 
-static ssize_t show_out0_enable(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_out0_enable(struct device *dev,
+				struct device_attribute *attr, char *buf)
 {
 	struct pcf8591_data *data = i2c_get_clientdata(to_i2c_client(dev));
 	return sprintf(buf, "%u\n", !(!(data->control & PCF8591_CONTROL_AOEF)));
 }
 
-static ssize_t set_out0_enable(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_out0_enable(struct device *dev,
+			       struct device_attribute *attr,
+			       const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct pcf8591_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	if (val)
@@ -174,7 +200,8 @@ static int pcf8591_probe(struct i2c_client *client,
 	struct pcf8591_data *data;
 	int err;
 
-	if (!(data = kzalloc(sizeof(struct pcf8591_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct pcf8591_data), GFP_KERNEL);
+	if (!data) {
 		err = -ENOMEM;
 		goto exit;
 	}
@@ -192,15 +219,15 @@ static int pcf8591_probe(struct i2c_client *client,
 
 	/* Register input2 if not in "two differential inputs" mode */
 	if (input_mode != 3) {
-		if ((err = device_create_file(&client->dev,
-					      &dev_attr_in2_input)))
+		err = device_create_file(&client->dev, &dev_attr_in2_input);
+		if (err)
 			goto exit_sysfs_remove;
 	}
 
 	/* Register input3 only in "four single ended inputs" mode */
 	if (input_mode == 0) {
-		if ((err = device_create_file(&client->dev,
-					      &dev_attr_in3_input)))
+		err = device_create_file(&client->dev, &dev_attr_in3_input);
+		if (err)
 			goto exit_sysfs_remove;
 	}
 
@@ -241,8 +268,10 @@ static void pcf8591_init_client(struct i2c_client *client)
 
 	i2c_smbus_write_byte_data(client, data->control, data->aout);
 
-	/* The first byte transmitted contains the conversion code of the
-	   previous read cycle. FLUSH IT! */
+	/*
+	 * The first byte transmitted contains the conversion code of the
+	 * previous read cycle. FLUSH IT!
+	 */
 	i2c_smbus_read_byte(client);
 }
 
@@ -259,8 +288,10 @@ static int pcf8591_read_channel(struct device *dev, int channel)
 			      | channel;
 		i2c_smbus_write_byte(client, data->control);
 
-		/* The first byte transmitted contains the conversion code of
-		   the previous read cycle. FLUSH IT! */
+		/*
+		 * The first byte transmitted contains the conversion code of
+		 * the previous read cycle. FLUSH IT!
+		 */
 		i2c_smbus_read_byte(client);
 	}
 	value = i2c_smbus_read_byte(client);
@@ -269,9 +300,9 @@ static int pcf8591_read_channel(struct device *dev, int channel)
 
 	if ((channel == 2 && input_mode == 2) ||
 	    (channel != 3 && (input_mode == 1 || input_mode == 3)))
-		return (10 * REG_TO_SIGNED(value));
+		return 10 * REG_TO_SIGNED(value);
 	else
-		return (10 * value);
+		return 10 * value;
 }
 
 static const struct i2c_device_id pcf8591_id[] = {
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index cfec923f42b7..2ca6a5a4f5a7 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -20,7 +20,8 @@ config SENSORS_PMBUS
 	help
 	  If you say yes here you get hardware monitoring support for generic
 	  PMBus devices, including but not limited to ADP4000, BMR453, BMR454,
-	  NCP4200, and NCP4208.
+	  MDT040, NCP4200, NCP4208, PDT003, PDT006, PDT012, UDT020, TPS40400,
+	  and TPS40422.
 
 	  This driver can also be built as a module. If so, the module will
 	  be called pmbus.
@@ -30,8 +31,8 @@ config SENSORS_ADM1275
 	default n
 	help
 	  If you say yes here you get hardware monitoring support for Analog
-	  Devices ADM1275 and ADM1276 Hot-Swap Controller and Digital Power
-	  Monitor.
+	  Devices ADM1075, ADM1275, and ADM1276 Hot-Swap Controller and Digital
+	  Power Monitors.
 
 	  This driver can also be built as a module. If so, the module will
 	  be called adm1275.
@@ -67,11 +68,11 @@ config SENSORS_MAX16064
 	  be called max16064.
 
 config SENSORS_MAX34440
-	tristate "Maxim MAX34440/MAX34441"
+	tristate "Maxim MAX34440 and compatibles"
 	default n
 	help
 	  If you say yes here you get hardware monitoring support for Maxim
-	  MAX34440 and MAX34441.
+	  MAX34440, MAX34441, and MAX34446.
 
 	  This driver can also be built as a module. If so, the module will
 	  be called max34440.
@@ -113,9 +114,9 @@ config SENSORS_ZL6100
 	default n
 	help
 	  If you say yes here you get hardware monitoring support for Intersil
-	  ZL2004, ZL2005, ZL2006, ZL2008, ZL2105, ZL2106, ZL6100, and ZL6105
-	  Digital DC/DC Controllers, as well as for Ericsson BMR450, BMR451,
-	  BMR462, BMR463, and BMR464.
+	  ZL2004, ZL2005, ZL2006, ZL2008, ZL2105, ZL2106, ZL6100, ZL6105,
+	  ZL9101M, and ZL9117M Digital DC/DC Controllers, as well as for
+	  Ericsson BMR450, BMR451, BMR462, BMR463, and BMR464.
 
 	  This driver can also be built as a module. If so, the module will
 	  be called zl6100.
diff --git a/drivers/hwmon/pmbus/adm1275.c b/drivers/hwmon/pmbus/adm1275.c
index 81c7c2ead6f3..60aad9570f01 100644
--- a/drivers/hwmon/pmbus/adm1275.c
+++ b/drivers/hwmon/pmbus/adm1275.c
@@ -23,7 +23,7 @@
 #include <linux/i2c.h>
 #include "pmbus.h"
 
-enum chips { adm1275, adm1276 };
+enum chips { adm1075, adm1275, adm1276 };
 
 #define ADM1275_PEAK_IOUT		0xd0
 #define ADM1275_PEAK_VIN		0xd1
@@ -32,6 +32,9 @@ enum chips { adm1275, adm1276 };
 
 #define ADM1275_VIN_VOUT_SELECT		(1 << 6)
 #define ADM1275_VRANGE			(1 << 5)
+#define ADM1075_IRANGE_50		(1 << 4)
+#define ADM1075_IRANGE_25		(1 << 3)
+#define ADM1075_IRANGE_MASK		((1 << 3) | (1 << 4))
 
 #define ADM1275_IOUT_WARN2_LIMIT	0xd7
 #define ADM1275_DEVICE_CONFIG		0xd8
@@ -42,6 +45,14 @@ enum chips { adm1275, adm1276 };
 
 #define ADM1275_MFR_STATUS_IOUT_WARN2	(1 << 0)
 
+#define ADM1075_READ_VAUX		0xdd
+#define ADM1075_VAUX_OV_WARN_LIMIT	0xde
+#define ADM1075_VAUX_UV_WARN_LIMIT	0xdf
+#define ADM1075_VAUX_STATUS		0xf6
+
+#define ADM1075_VAUX_OV_WARN		(1<<7)
+#define ADM1075_VAUX_UV_WARN		(1<<6)
+
 struct adm1275_data {
 	int id;
 	bool have_oc_fault;
@@ -74,6 +85,29 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg)
 		}
 		ret = pmbus_read_word_data(client, 0, ADM1275_IOUT_WARN2_LIMIT);
 		break;
+	case PMBUS_VOUT_OV_WARN_LIMIT:
+		if (data->id != adm1075) {
+			ret = -ENODATA;
+			break;
+		}
+		ret = pmbus_read_word_data(client, 0,
+					   ADM1075_VAUX_OV_WARN_LIMIT);
+		break;
+	case PMBUS_VOUT_UV_WARN_LIMIT:
+		if (data->id != adm1075) {
+			ret = -ENODATA;
+			break;
+		}
+		ret = pmbus_read_word_data(client, 0,
+					   ADM1075_VAUX_UV_WARN_LIMIT);
+		break;
+	case PMBUS_READ_VOUT:
+		if (data->id != adm1075) {
+			ret = -ENODATA;
+			break;
+		}
+		ret = pmbus_read_word_data(client, 0, ADM1075_READ_VAUX);
+		break;
 	case PMBUS_VIRT_READ_IOUT_MAX:
 		ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_IOUT);
 		break;
@@ -84,7 +118,7 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg)
 		ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_VIN);
 		break;
 	case PMBUS_VIRT_READ_PIN_MAX:
-		if (data->id != adm1276) {
+		if (data->id == adm1275) {
 			ret = -ENXIO;
 			break;
 		}
@@ -95,7 +129,7 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg)
 	case PMBUS_VIRT_RESET_VIN_HISTORY:
 		break;
 	case PMBUS_VIRT_RESET_PIN_HISTORY:
-		if (data->id != adm1276)
+		if (data->id == adm1275)
 			ret = -ENXIO;
 		break;
 	default:
@@ -163,6 +197,19 @@ static int adm1275_read_byte_data(struct i2c_client *client, int page, int reg)
 			  PB_IOUT_OC_FAULT : PB_IOUT_UC_FAULT;
 		}
 		break;
+	case PMBUS_STATUS_VOUT:
+		if (data->id != adm1075) {
+			ret = -ENODATA;
+			break;
+		}
+		ret = 0;
+		mfr_status = pmbus_read_byte_data(client, 0,
+						  ADM1075_VAUX_STATUS);
+		if (mfr_status & ADM1075_VAUX_OV_WARN)
+			ret |= PB_VOLTAGE_OV_WARNING;
+		if (mfr_status & ADM1075_VAUX_UV_WARN)
+			ret |= PB_VOLTAGE_UV_WARNING;
+		break;
 	default:
 		ret = -ENODATA;
 		break;
@@ -171,6 +218,7 @@ static int adm1275_read_byte_data(struct i2c_client *client, int page, int reg)
 }
 
 static const struct i2c_device_id adm1275_id[] = {
+	{ "adm1075", adm1075 },
 	{ "adm1275", adm1275 },
 	{ "adm1276", adm1276 },
 	{ }
@@ -229,7 +277,8 @@ static int adm1275_probe(struct i2c_client *client,
 	if (device_config < 0)
 		return device_config;
 
-	data = kzalloc(sizeof(struct adm1275_data), GFP_KERNEL);
+	data = devm_kzalloc(&client->dev, sizeof(struct adm1275_data),
+			    GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 
@@ -250,7 +299,14 @@ static int adm1275_probe(struct i2c_client *client,
 	info->read_byte_data = adm1275_read_byte_data;
 	info->write_word_data = adm1275_write_word_data;
 
-	if (config & ADM1275_VRANGE) {
+	if (data->id == adm1075) {
+		info->m[PSC_VOLTAGE_IN] = 27169;
+		info->b[PSC_VOLTAGE_IN] = 0;
+		info->R[PSC_VOLTAGE_IN] = -1;
+		info->m[PSC_VOLTAGE_OUT] = 27169;
+		info->b[PSC_VOLTAGE_OUT] = 0;
+		info->R[PSC_VOLTAGE_OUT] = -1;
+	} else if (config & ADM1275_VRANGE) {
 		info->m[PSC_VOLTAGE_IN] = 19199;
 		info->b[PSC_VOLTAGE_IN] = 0;
 		info->R[PSC_VOLTAGE_IN] = -2;
@@ -270,6 +326,31 @@ static int adm1275_probe(struct i2c_client *client,
 		data->have_oc_fault = true;
 
 	switch (data->id) {
+	case adm1075:
+		info->format[PSC_POWER] = direct;
+		info->b[PSC_POWER] = 0;
+		info->R[PSC_POWER] = -1;
+		switch (config & ADM1075_IRANGE_MASK) {
+		case ADM1075_IRANGE_25:
+			info->m[PSC_POWER] = 8549;
+			info->m[PSC_CURRENT_OUT] = 806;
+			break;
+		case ADM1075_IRANGE_50:
+			info->m[PSC_POWER] = 4279;
+			info->m[PSC_CURRENT_OUT] = 404;
+			break;
+		default:
+			dev_err(&client->dev, "Invalid input current range");
+			info->m[PSC_POWER] = 0;
+			info->m[PSC_CURRENT_OUT] = 0;
+			break;
+		}
+		info->func[0] |= PMBUS_HAVE_VIN | PMBUS_HAVE_PIN
+		  | PMBUS_HAVE_STATUS_INPUT;
+		if (config & ADM1275_VIN_VOUT_SELECT)
+			info->func[0] |=
+			  PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT;
+		break;
 	case adm1275:
 		if (config & ADM1275_VIN_VOUT_SELECT)
 			info->func[0] |=
@@ -297,24 +378,7 @@ static int adm1275_probe(struct i2c_client *client,
 		break;
 	}
 
-	ret = pmbus_do_probe(client, id, info);
-	if (ret)
-		goto err_mem;
-	return 0;
-
-err_mem:
-	kfree(data);
-	return ret;
-}
-
-static int adm1275_remove(struct i2c_client *client)
-{
-	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
-	const struct adm1275_data *data = to_adm1275_data(info);
-
-	pmbus_do_remove(client);
-	kfree(data);
-	return 0;
+	return pmbus_do_probe(client, id, info);
 }
 
 static struct i2c_driver adm1275_driver = {
@@ -322,22 +386,12 @@ static struct i2c_driver adm1275_driver = {
 		   .name = "adm1275",
 		   },
 	.probe = adm1275_probe,
-	.remove = adm1275_remove,
+	.remove = pmbus_do_remove,
 	.id_table = adm1275_id,
 };
 
-static int __init adm1275_init(void)
-{
-	return i2c_add_driver(&adm1275_driver);
-}
-
-static void __exit adm1275_exit(void)
-{
-	i2c_del_driver(&adm1275_driver);
-}
+module_i2c_driver(adm1275_driver);
 
 MODULE_AUTHOR("Guenter Roeck");
 MODULE_DESCRIPTION("PMBus driver for Analog Devices ADM1275 and compatibles");
 MODULE_LICENSE("GPL");
-module_init(adm1275_init);
-module_exit(adm1275_exit);
diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c
index 84a37f0c8db6..c299392716af 100644
--- a/drivers/hwmon/pmbus/lm25066.c
+++ b/drivers/hwmon/pmbus/lm25066.c
@@ -176,7 +176,6 @@ static int lm25066_probe(struct i2c_client *client,
 			  const struct i2c_device_id *id)
 {
 	int config;
-	int ret;
 	struct lm25066_data *data;
 	struct pmbus_driver_info *info;
 
@@ -184,15 +183,14 @@ static int lm25066_probe(struct i2c_client *client,
 				     I2C_FUNC_SMBUS_READ_BYTE_DATA))
 		return -ENODEV;
 
-	data = kzalloc(sizeof(struct lm25066_data), GFP_KERNEL);
+	data = devm_kzalloc(&client->dev, sizeof(struct lm25066_data),
+			    GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 
 	config = i2c_smbus_read_byte_data(client, LM25066_DEVICE_SETUP);
-	if (config < 0) {
-		ret = config;
-		goto err_mem;
-	}
+	if (config < 0)
+		return config;
 
 	data->id = id->driver_data;
 	info = &data->info;
@@ -291,28 +289,10 @@ static int lm25066_probe(struct i2c_client *client,
 		}
 		break;
 	default:
-		ret = -ENODEV;
-		goto err_mem;
+		return -ENODEV;
 	}
 
-	ret = pmbus_do_probe(client, id, info);
-	if (ret)
-		goto err_mem;
-	return 0;
-
-err_mem:
-	kfree(data);
-	return ret;
-}
-
-static int lm25066_remove(struct i2c_client *client)
-{
-	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
-	const struct lm25066_data *data = to_lm25066_data(info);
-
-	pmbus_do_remove(client);
-	kfree(data);
-	return 0;
+	return pmbus_do_probe(client, id, info);
 }
 
 static const struct i2c_device_id lm25066_id[] = {
@@ -330,22 +310,12 @@ static struct i2c_driver lm25066_driver = {
 		   .name = "lm25066",
 		   },
 	.probe = lm25066_probe,
-	.remove = lm25066_remove,
+	.remove = pmbus_do_remove,
 	.id_table = lm25066_id,
 };
 
-static int __init lm25066_init(void)
-{
-	return i2c_add_driver(&lm25066_driver);
-}
-
-static void __exit lm25066_exit(void)
-{
-	i2c_del_driver(&lm25066_driver);
-}
+module_i2c_driver(lm25066_driver);
 
 MODULE_AUTHOR("Guenter Roeck");
 MODULE_DESCRIPTION("PMBus driver for LM25066/LM5064/LM5066");
 MODULE_LICENSE("GPL");
-module_init(lm25066_init);
-module_exit(lm25066_exit);
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index 820fff48910b..9652a2c92a24 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -287,7 +287,7 @@ MODULE_DEVICE_TABLE(i2c, ltc2978_id);
 static int ltc2978_probe(struct i2c_client *client,
 			 const struct i2c_device_id *id)
 {
-	int chip_id, ret, i;
+	int chip_id, i;
 	struct ltc2978_data *data;
 	struct pmbus_driver_info *info;
 
@@ -295,15 +295,14 @@ static int ltc2978_probe(struct i2c_client *client,
 				     I2C_FUNC_SMBUS_READ_WORD_DATA))
 		return -ENODEV;
 
-	data = kzalloc(sizeof(struct ltc2978_data), GFP_KERNEL);
+	data = devm_kzalloc(&client->dev, sizeof(struct ltc2978_data),
+			    GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 
 	chip_id = i2c_smbus_read_word_data(client, LTC2978_MFR_SPECIAL_ID);
-	if (chip_id < 0) {
-		ret = chip_id;
-		goto err_mem;
-	}
+	if (chip_id < 0)
+		return chip_id;
 
 	if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2) {
 		data->id = ltc2978;
@@ -311,8 +310,7 @@ static int ltc2978_probe(struct i2c_client *client,
 		data->id = ltc3880;
 	} else {
 		dev_err(&client->dev, "Unsupported chip ID 0x%x\n", chip_id);
-		ret = -ENODEV;
-		goto err_mem;
+		return -ENODEV;
 	}
 	if (data->id != id->driver_data)
 		dev_warn(&client->dev,
@@ -357,28 +355,10 @@ static int ltc2978_probe(struct i2c_client *client,
 		data->vout_min[1] = 0xffff;
 		break;
 	default:
-		ret = -ENODEV;
-		goto err_mem;
+		return -ENODEV;
 	}
 
-	ret = pmbus_do_probe(client, id, info);
-	if (ret)
-		goto err_mem;
-	return 0;
-
-err_mem:
-	kfree(data);
-	return ret;
-}
-
-static int ltc2978_remove(struct i2c_client *client)
-{
-	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
-	const struct ltc2978_data *data = to_ltc2978_data(info);
-
-	pmbus_do_remove(client);
-	kfree(data);
-	return 0;
+	return pmbus_do_probe(client, id, info);
 }
 
 /* This is the driver that will be inserted */
@@ -387,22 +367,12 @@ static struct i2c_driver ltc2978_driver = {
 		   .name = "ltc2978",
 		   },
 	.probe = ltc2978_probe,
-	.remove = ltc2978_remove,
+	.remove = pmbus_do_remove,
 	.id_table = ltc2978_id,
 };
 
-static int __init ltc2978_init(void)
-{
-	return i2c_add_driver(&ltc2978_driver);
-}
-
-static void __exit ltc2978_exit(void)
-{
-	i2c_del_driver(&ltc2978_driver);
-}
+module_i2c_driver(ltc2978_driver);
 
 MODULE_AUTHOR("Guenter Roeck");
 MODULE_DESCRIPTION("PMBus driver for LTC2978 and LTC3880");
 MODULE_LICENSE("GPL");
-module_init(ltc2978_init);
-module_exit(ltc2978_exit);
diff --git a/drivers/hwmon/pmbus/max16064.c b/drivers/hwmon/pmbus/max16064.c
index 1d77cf4d2d44..fa237a3c3291 100644
--- a/drivers/hwmon/pmbus/max16064.c
+++ b/drivers/hwmon/pmbus/max16064.c
@@ -103,12 +103,6 @@ static int max16064_probe(struct i2c_client *client,
 	return pmbus_do_probe(client, id, &max16064_info);
 }
 
-static int max16064_remove(struct i2c_client *client)
-{
-	pmbus_do_remove(client);
-	return 0;
-}
-
 static const struct i2c_device_id max16064_id[] = {
 	{"max16064", 0},
 	{}
@@ -122,22 +116,12 @@ static struct i2c_driver max16064_driver = {
 		   .name = "max16064",
 		   },
 	.probe = max16064_probe,
-	.remove = max16064_remove,
+	.remove = pmbus_do_remove,
 	.id_table = max16064_id,
 };
 
-static int __init max16064_init(void)
-{
-	return i2c_add_driver(&max16064_driver);
-}
-
-static void __exit max16064_exit(void)
-{
-	i2c_del_driver(&max16064_driver);
-}
+module_i2c_driver(max16064_driver);
 
 MODULE_AUTHOR("Guenter Roeck");
 MODULE_DESCRIPTION("PMBus driver for Maxim MAX16064");
 MODULE_LICENSE("GPL");
-module_init(max16064_init);
-module_exit(max16064_exit);
diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c
index 9b97a5b3cf3d..2ada7b021fbe 100644
--- a/drivers/hwmon/pmbus/max34440.c
+++ b/drivers/hwmon/pmbus/max34440.c
@@ -25,34 +25,82 @@
 #include <linux/i2c.h>
 #include "pmbus.h"
 
-enum chips { max34440, max34441 };
+enum chips { max34440, max34441, max34446 };
 
 #define MAX34440_MFR_VOUT_PEAK		0xd4
 #define MAX34440_MFR_IOUT_PEAK		0xd5
 #define MAX34440_MFR_TEMPERATURE_PEAK	0xd6
+#define MAX34440_MFR_VOUT_MIN		0xd7
+
+#define MAX34446_MFR_POUT_PEAK		0xe0
+#define MAX34446_MFR_POUT_AVG		0xe1
+#define MAX34446_MFR_IOUT_AVG		0xe2
+#define MAX34446_MFR_TEMPERATURE_AVG	0xe3
 
 #define MAX34440_STATUS_OC_WARN		(1 << 0)
 #define MAX34440_STATUS_OC_FAULT	(1 << 1)
 #define MAX34440_STATUS_OT_FAULT	(1 << 5)
 #define MAX34440_STATUS_OT_WARN		(1 << 6)
 
+struct max34440_data {
+	int id;
+	struct pmbus_driver_info info;
+};
+
+#define to_max34440_data(x)  container_of(x, struct max34440_data, info)
+
 static int max34440_read_word_data(struct i2c_client *client, int page, int reg)
 {
 	int ret;
+	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+	const struct max34440_data *data = to_max34440_data(info);
 
 	switch (reg) {
+	case PMBUS_VIRT_READ_VOUT_MIN:
+		ret = pmbus_read_word_data(client, page,
+					   MAX34440_MFR_VOUT_MIN);
+		break;
 	case PMBUS_VIRT_READ_VOUT_MAX:
 		ret = pmbus_read_word_data(client, page,
 					   MAX34440_MFR_VOUT_PEAK);
 		break;
+	case PMBUS_VIRT_READ_IOUT_AVG:
+		if (data->id != max34446)
+			return -ENXIO;
+		ret = pmbus_read_word_data(client, page,
+					   MAX34446_MFR_IOUT_AVG);
+		break;
 	case PMBUS_VIRT_READ_IOUT_MAX:
 		ret = pmbus_read_word_data(client, page,
 					   MAX34440_MFR_IOUT_PEAK);
 		break;
+	case PMBUS_VIRT_READ_POUT_AVG:
+		if (data->id != max34446)
+			return -ENXIO;
+		ret = pmbus_read_word_data(client, page,
+					   MAX34446_MFR_POUT_AVG);
+		break;
+	case PMBUS_VIRT_READ_POUT_MAX:
+		if (data->id != max34446)
+			return -ENXIO;
+		ret = pmbus_read_word_data(client, page,
+					   MAX34446_MFR_POUT_PEAK);
+		break;
+	case PMBUS_VIRT_READ_TEMP_AVG:
+		if (data->id != max34446)
+			return -ENXIO;
+		ret = pmbus_read_word_data(client, page,
+					   MAX34446_MFR_TEMPERATURE_AVG);
+		break;
 	case PMBUS_VIRT_READ_TEMP_MAX:
 		ret = pmbus_read_word_data(client, page,
 					   MAX34440_MFR_TEMPERATURE_PEAK);
 		break;
+	case PMBUS_VIRT_RESET_POUT_HISTORY:
+		if (data->id != max34446)
+			return -ENXIO;
+		ret = 0;
+		break;
 	case PMBUS_VIRT_RESET_VOUT_HISTORY:
 	case PMBUS_VIRT_RESET_IOUT_HISTORY:
 	case PMBUS_VIRT_RESET_TEMP_HISTORY:
@@ -68,21 +116,42 @@ static int max34440_read_word_data(struct i2c_client *client, int page, int reg)
 static int max34440_write_word_data(struct i2c_client *client, int page,
 				    int reg, u16 word)
 {
+	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+	const struct max34440_data *data = to_max34440_data(info);
 	int ret;
 
 	switch (reg) {
+	case PMBUS_VIRT_RESET_POUT_HISTORY:
+		ret = pmbus_write_word_data(client, page,
+					    MAX34446_MFR_POUT_PEAK, 0);
+		if (ret)
+			break;
+		ret = pmbus_write_word_data(client, page,
+					    MAX34446_MFR_POUT_AVG, 0);
+		break;
 	case PMBUS_VIRT_RESET_VOUT_HISTORY:
 		ret = pmbus_write_word_data(client, page,
+					    MAX34440_MFR_VOUT_MIN, 0x7fff);
+		if (ret)
+			break;
+		ret = pmbus_write_word_data(client, page,
 					    MAX34440_MFR_VOUT_PEAK, 0);
 		break;
 	case PMBUS_VIRT_RESET_IOUT_HISTORY:
 		ret = pmbus_write_word_data(client, page,
 					    MAX34440_MFR_IOUT_PEAK, 0);
+		if (!ret && data->id == max34446)
+			ret = pmbus_write_word_data(client, page,
+					MAX34446_MFR_IOUT_AVG, 0);
+
 		break;
 	case PMBUS_VIRT_RESET_TEMP_HISTORY:
 		ret = pmbus_write_word_data(client, page,
 					    MAX34440_MFR_TEMPERATURE_PEAK,
 					    0x8000);
+		if (!ret && data->id == max34446)
+			ret = pmbus_write_word_data(client, page,
+					MAX34446_MFR_TEMPERATURE_AVG, 0);
 		break;
 	default:
 		ret = -ENODATA;
@@ -216,26 +285,66 @@ static struct pmbus_driver_info max34440_info[] = {
 		.read_word_data = max34440_read_word_data,
 		.write_word_data = max34440_write_word_data,
 	},
+	[max34446] = {
+		.pages = 7,
+		.format[PSC_VOLTAGE_IN] = direct,
+		.format[PSC_VOLTAGE_OUT] = direct,
+		.format[PSC_TEMPERATURE] = direct,
+		.format[PSC_CURRENT_OUT] = direct,
+		.format[PSC_POWER] = direct,
+		.m[PSC_VOLTAGE_IN] = 1,
+		.b[PSC_VOLTAGE_IN] = 0,
+		.R[PSC_VOLTAGE_IN] = 3,
+		.m[PSC_VOLTAGE_OUT] = 1,
+		.b[PSC_VOLTAGE_OUT] = 0,
+		.R[PSC_VOLTAGE_OUT] = 3,
+		.m[PSC_CURRENT_OUT] = 1,
+		.b[PSC_CURRENT_OUT] = 0,
+		.R[PSC_CURRENT_OUT] = 3,
+		.m[PSC_POWER] = 1,
+		.b[PSC_POWER] = 0,
+		.R[PSC_POWER] = 3,
+		.m[PSC_TEMPERATURE] = 1,
+		.b[PSC_TEMPERATURE] = 0,
+		.R[PSC_TEMPERATURE] = 2,
+		.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+		  | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT,
+		.func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+		  | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+		.func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+		  | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT,
+		.func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
+		  | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT,
+		.func[4] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+		.func[5] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+		.func[6] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,
+		.read_byte_data = max34440_read_byte_data,
+		.read_word_data = max34440_read_word_data,
+		.write_word_data = max34440_write_word_data,
+	},
 };
 
 static int max34440_probe(struct i2c_client *client,
 			  const struct i2c_device_id *id)
 {
-	return pmbus_do_probe(client, id, &max34440_info[id->driver_data]);
-}
+	struct max34440_data *data;
 
-static int max34440_remove(struct i2c_client *client)
-{
-	pmbus_do_remove(client);
-	return 0;
+	data = devm_kzalloc(&client->dev, sizeof(struct max34440_data),
+			    GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+	data->id = id->driver_data;
+	data->info = max34440_info[id->driver_data];
+
+	return pmbus_do_probe(client, id, &data->info);
 }
 
 static const struct i2c_device_id max34440_id[] = {
 	{"max34440", max34440},
 	{"max34441", max34441},
+	{"max34446", max34446},
 	{}
 };
-
 MODULE_DEVICE_TABLE(i2c, max34440_id);
 
 /* This is the driver that will be inserted */
@@ -244,22 +353,12 @@ static struct i2c_driver max34440_driver = {
 		   .name = "max34440",
 		   },
 	.probe = max34440_probe,
-	.remove = max34440_remove,
+	.remove = pmbus_do_remove,
 	.id_table = max34440_id,
 };
 
-static int __init max34440_init(void)
-{
-	return i2c_add_driver(&max34440_driver);
-}
-
-static void __exit max34440_exit(void)
-{
-	i2c_del_driver(&max34440_driver);
-}
+module_i2c_driver(max34440_driver);
 
 MODULE_AUTHOR("Guenter Roeck");
 MODULE_DESCRIPTION("PMBus driver for Maxim MAX34440/MAX34441");
 MODULE_LICENSE("GPL");
-module_init(max34440_init);
-module_exit(max34440_exit);
diff --git a/drivers/hwmon/pmbus/max8688.c b/drivers/hwmon/pmbus/max8688.c
index e2b74bb399ba..f04454a42fdd 100644
--- a/drivers/hwmon/pmbus/max8688.c
+++ b/drivers/hwmon/pmbus/max8688.c
@@ -180,12 +180,6 @@ static int max8688_probe(struct i2c_client *client,
 	return pmbus_do_probe(client, id, &max8688_info);
 }
 
-static int max8688_remove(struct i2c_client *client)
-{
-	pmbus_do_remove(client);
-	return 0;
-}
-
 static const struct i2c_device_id max8688_id[] = {
 	{"max8688", 0},
 	{ }
@@ -199,22 +193,12 @@ static struct i2c_driver max8688_driver = {
 		   .name = "max8688",
 		   },
 	.probe = max8688_probe,
-	.remove = max8688_remove,
+	.remove = pmbus_do_remove,
 	.id_table = max8688_id,
 };
 
-static int __init max8688_init(void)
-{
-	return i2c_add_driver(&max8688_driver);
-}
-
-static void __exit max8688_exit(void)
-{
-	i2c_del_driver(&max8688_driver);
-}
+module_i2c_driver(max8688_driver);
 
 MODULE_AUTHOR("Guenter Roeck");
 MODULE_DESCRIPTION("PMBus driver for Maxim MAX8688");
 MODULE_LICENSE("GPL");
-module_init(max8688_init);
-module_exit(max8688_exit);
diff --git a/drivers/hwmon/pmbus/pmbus.c b/drivers/hwmon/pmbus/pmbus.c
index 18a385e753d7..7e91700131a7 100644
--- a/drivers/hwmon/pmbus/pmbus.c
+++ b/drivers/hwmon/pmbus/pmbus.c
@@ -166,33 +166,16 @@ static int pmbus_probe(struct i2c_client *client,
 		       const struct i2c_device_id *id)
 {
 	struct pmbus_driver_info *info;
-	int ret;
 
-	info = kzalloc(sizeof(struct pmbus_driver_info), GFP_KERNEL);
+	info = devm_kzalloc(&client->dev, sizeof(struct pmbus_driver_info),
+			    GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
 	info->pages = id->driver_data;
 	info->identify = pmbus_identify;
 
-	ret = pmbus_do_probe(client, id, info);
-	if (ret < 0)
-		goto out;
-	return 0;
-
-out:
-	kfree(info);
-	return ret;
-}
-
-static int pmbus_remove(struct i2c_client *client)
-{
-	const struct pmbus_driver_info *info;
-
-	info = pmbus_get_driver_info(client);
-	pmbus_do_remove(client);
-	kfree(info);
-	return 0;
+	return pmbus_do_probe(client, id, info);
 }
 
 /*
@@ -202,12 +185,15 @@ static const struct i2c_device_id pmbus_id[] = {
 	{"adp4000", 1},
 	{"bmr453", 1},
 	{"bmr454", 1},
+	{"mdt040", 1},
 	{"ncp4200", 1},
 	{"ncp4208", 1},
 	{"pdt003", 1},
 	{"pdt006", 1},
 	{"pdt012", 1},
 	{"pmbus", 0},
+	{"tps40400", 1},
+	{"tps40422", 2},
 	{"udt020", 1},
 	{}
 };
@@ -220,22 +206,12 @@ static struct i2c_driver pmbus_driver = {
 		   .name = "pmbus",
 		   },
 	.probe = pmbus_probe,
-	.remove = pmbus_remove,
+	.remove = pmbus_do_remove,
 	.id_table = pmbus_id,
 };
 
-static int __init pmbus_init(void)
-{
-	return i2c_add_driver(&pmbus_driver);
-}
-
-static void __exit pmbus_exit(void)
-{
-	i2c_del_driver(&pmbus_driver);
-}
+module_i2c_driver(pmbus_driver);
 
 MODULE_AUTHOR("Guenter Roeck");
 MODULE_DESCRIPTION("Generic PMBus driver");
 MODULE_LICENSE("GPL");
-module_init(pmbus_init);
-module_exit(pmbus_exit);
diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h
index 5d31d1c2c0f5..3fe03dc47eb7 100644
--- a/drivers/hwmon/pmbus/pmbus.h
+++ b/drivers/hwmon/pmbus/pmbus.h
@@ -146,31 +146,36 @@
  * code when reading or writing virtual registers.
  */
 #define PMBUS_VIRT_BASE			0x100
-#define PMBUS_VIRT_READ_TEMP_MIN	(PMBUS_VIRT_BASE + 0)
-#define PMBUS_VIRT_READ_TEMP_MAX	(PMBUS_VIRT_BASE + 1)
-#define PMBUS_VIRT_RESET_TEMP_HISTORY	(PMBUS_VIRT_BASE + 2)
-#define PMBUS_VIRT_READ_VIN_AVG		(PMBUS_VIRT_BASE + 3)
-#define PMBUS_VIRT_READ_VIN_MIN		(PMBUS_VIRT_BASE + 4)
-#define PMBUS_VIRT_READ_VIN_MAX		(PMBUS_VIRT_BASE + 5)
-#define PMBUS_VIRT_RESET_VIN_HISTORY	(PMBUS_VIRT_BASE + 6)
-#define PMBUS_VIRT_READ_IIN_AVG		(PMBUS_VIRT_BASE + 7)
-#define PMBUS_VIRT_READ_IIN_MIN		(PMBUS_VIRT_BASE + 8)
-#define PMBUS_VIRT_READ_IIN_MAX		(PMBUS_VIRT_BASE + 9)
-#define PMBUS_VIRT_RESET_IIN_HISTORY	(PMBUS_VIRT_BASE + 10)
-#define PMBUS_VIRT_READ_PIN_AVG		(PMBUS_VIRT_BASE + 11)
-#define PMBUS_VIRT_READ_PIN_MAX		(PMBUS_VIRT_BASE + 12)
-#define PMBUS_VIRT_RESET_PIN_HISTORY	(PMBUS_VIRT_BASE + 13)
-#define PMBUS_VIRT_READ_VOUT_AVG	(PMBUS_VIRT_BASE + 14)
-#define PMBUS_VIRT_READ_VOUT_MIN	(PMBUS_VIRT_BASE + 15)
-#define PMBUS_VIRT_READ_VOUT_MAX	(PMBUS_VIRT_BASE + 16)
-#define PMBUS_VIRT_RESET_VOUT_HISTORY	(PMBUS_VIRT_BASE + 17)
-#define PMBUS_VIRT_READ_IOUT_AVG	(PMBUS_VIRT_BASE + 18)
-#define PMBUS_VIRT_READ_IOUT_MIN	(PMBUS_VIRT_BASE + 19)
-#define PMBUS_VIRT_READ_IOUT_MAX	(PMBUS_VIRT_BASE + 20)
-#define PMBUS_VIRT_RESET_IOUT_HISTORY	(PMBUS_VIRT_BASE + 21)
-#define PMBUS_VIRT_READ_TEMP2_MIN	(PMBUS_VIRT_BASE + 22)
-#define PMBUS_VIRT_READ_TEMP2_MAX	(PMBUS_VIRT_BASE + 23)
-#define PMBUS_VIRT_RESET_TEMP2_HISTORY	(PMBUS_VIRT_BASE + 24)
+#define PMBUS_VIRT_READ_TEMP_AVG	(PMBUS_VIRT_BASE + 0)
+#define PMBUS_VIRT_READ_TEMP_MIN	(PMBUS_VIRT_BASE + 1)
+#define PMBUS_VIRT_READ_TEMP_MAX	(PMBUS_VIRT_BASE + 2)
+#define PMBUS_VIRT_RESET_TEMP_HISTORY	(PMBUS_VIRT_BASE + 3)
+#define PMBUS_VIRT_READ_VIN_AVG		(PMBUS_VIRT_BASE + 4)
+#define PMBUS_VIRT_READ_VIN_MIN		(PMBUS_VIRT_BASE + 5)
+#define PMBUS_VIRT_READ_VIN_MAX		(PMBUS_VIRT_BASE + 6)
+#define PMBUS_VIRT_RESET_VIN_HISTORY	(PMBUS_VIRT_BASE + 7)
+#define PMBUS_VIRT_READ_IIN_AVG		(PMBUS_VIRT_BASE + 8)
+#define PMBUS_VIRT_READ_IIN_MIN		(PMBUS_VIRT_BASE + 9)
+#define PMBUS_VIRT_READ_IIN_MAX		(PMBUS_VIRT_BASE + 10)
+#define PMBUS_VIRT_RESET_IIN_HISTORY	(PMBUS_VIRT_BASE + 11)
+#define PMBUS_VIRT_READ_PIN_AVG		(PMBUS_VIRT_BASE + 12)
+#define PMBUS_VIRT_READ_PIN_MAX		(PMBUS_VIRT_BASE + 13)
+#define PMBUS_VIRT_RESET_PIN_HISTORY	(PMBUS_VIRT_BASE + 14)
+#define PMBUS_VIRT_READ_POUT_AVG	(PMBUS_VIRT_BASE + 15)
+#define PMBUS_VIRT_READ_POUT_MAX	(PMBUS_VIRT_BASE + 16)
+#define PMBUS_VIRT_RESET_POUT_HISTORY	(PMBUS_VIRT_BASE + 17)
+#define PMBUS_VIRT_READ_VOUT_AVG	(PMBUS_VIRT_BASE + 18)
+#define PMBUS_VIRT_READ_VOUT_MIN	(PMBUS_VIRT_BASE + 19)
+#define PMBUS_VIRT_READ_VOUT_MAX	(PMBUS_VIRT_BASE + 20)
+#define PMBUS_VIRT_RESET_VOUT_HISTORY	(PMBUS_VIRT_BASE + 21)
+#define PMBUS_VIRT_READ_IOUT_AVG	(PMBUS_VIRT_BASE + 22)
+#define PMBUS_VIRT_READ_IOUT_MIN	(PMBUS_VIRT_BASE + 23)
+#define PMBUS_VIRT_READ_IOUT_MAX	(PMBUS_VIRT_BASE + 24)
+#define PMBUS_VIRT_RESET_IOUT_HISTORY	(PMBUS_VIRT_BASE + 25)
+#define PMBUS_VIRT_READ_TEMP2_AVG	(PMBUS_VIRT_BASE + 26)
+#define PMBUS_VIRT_READ_TEMP2_MIN	(PMBUS_VIRT_BASE + 27)
+#define PMBUS_VIRT_READ_TEMP2_MAX	(PMBUS_VIRT_BASE + 28)
+#define PMBUS_VIRT_RESET_TEMP2_HISTORY	(PMBUS_VIRT_BASE + 29)
 
 /*
  * CAPABILITY
@@ -364,7 +369,7 @@ bool pmbus_check_byte_register(struct i2c_client *client, int page, int reg);
 bool pmbus_check_word_register(struct i2c_client *client, int page, int reg);
 int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 		   struct pmbus_driver_info *info);
-void pmbus_do_remove(struct i2c_client *client);
+int pmbus_do_remove(struct i2c_client *client);
 const struct pmbus_driver_info *pmbus_get_driver_info(struct i2c_client
 						      *client);
 
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index d89b33967a85..be51037363c8 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -40,11 +40,14 @@
 #define PMBUS_IOUT_SENSORS_PER_PAGE	8	/* input, min, max, crit,
 						   lowest, highest, avg,
 						   reset */
-#define PMBUS_POUT_SENSORS_PER_PAGE	4	/* input, cap, max, crit */
+#define PMBUS_POUT_SENSORS_PER_PAGE	7	/* input, cap, max, crit,
+						 * highest, avg, reset
+						 */
 #define PMBUS_MAX_SENSORS_PER_FAN	1	/* input */
-#define PMBUS_MAX_SENSORS_PER_TEMP	8	/* input, min, max, lcrit,
-						   crit, lowest, highest,
-						   reset */
+#define PMBUS_MAX_SENSORS_PER_TEMP	9	/* input, min, max, lcrit,
+						 * crit, lowest, highest, avg,
+						 * reset
+						 */
 
 #define PMBUS_MAX_INPUT_BOOLEANS	7	/* v: min_alarm, max_alarm,
 						   lcrit_alarm, crit_alarm;
@@ -782,7 +785,7 @@ static ssize_t pmbus_set_sensor(struct device *dev,
 	int ret;
 	u16 regval;
 
-	if (strict_strtol(buf, 10, &val) < 0)
+	if (kstrtol(buf, 10, &val) < 0)
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
@@ -1334,6 +1337,17 @@ static const struct pmbus_limit_attr pout_limit_attrs[] = {
 		.attr = "crit",
 		.alarm = "crit_alarm",
 		.sbit = PB_POUT_OP_FAULT,
+	}, {
+		.reg = PMBUS_VIRT_READ_POUT_AVG,
+		.update = true,
+		.attr = "average",
+	}, {
+		.reg = PMBUS_VIRT_READ_POUT_MAX,
+		.update = true,
+		.attr = "input_highest",
+	}, {
+		.reg = PMBUS_VIRT_RESET_POUT_HISTORY,
+		.attr = "reset_history",
 	}
 };
 
@@ -1389,6 +1403,9 @@ static const struct pmbus_limit_attr temp_limit_attrs[] = {
 		.reg = PMBUS_VIRT_READ_TEMP_MIN,
 		.attr = "lowest",
 	}, {
+		.reg = PMBUS_VIRT_READ_TEMP_AVG,
+		.attr = "average",
+	}, {
 		.reg = PMBUS_VIRT_READ_TEMP_MAX,
 		.attr = "highest",
 	}, {
@@ -1424,6 +1441,9 @@ static const struct pmbus_limit_attr temp_limit_attrs2[] = {
 		.reg = PMBUS_VIRT_READ_TEMP2_MIN,
 		.attr = "lowest",
 	}, {
+		.reg = PMBUS_VIRT_READ_TEMP2_AVG,
+		.attr = "average",
+	}, {
 		.reg = PMBUS_VIRT_READ_TEMP2_MAX,
 		.attr = "highest",
 	}, {
@@ -1676,7 +1696,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 				     | I2C_FUNC_SMBUS_WORD_DATA))
 		return -ENODEV;
 
-	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
 	if (!data) {
 		dev_err(&client->dev, "No memory to allocate driver data\n");
 		return -ENOMEM;
@@ -1688,8 +1708,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 	/* Bail out if PMBus status register does not exist. */
 	if (i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE) < 0) {
 		dev_err(&client->dev, "PMBus status register not found\n");
-		ret = -ENODEV;
-		goto out_data;
+		return -ENODEV;
 	}
 
 	if (pdata)
@@ -1702,50 +1721,49 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 		ret = (*info->identify)(client, info);
 		if (ret < 0) {
 			dev_err(&client->dev, "Chip identification failed\n");
-			goto out_data;
+			return ret;
 		}
 	}
 
 	if (info->pages <= 0 || info->pages > PMBUS_PAGES) {
 		dev_err(&client->dev, "Bad number of PMBus pages: %d\n",
 			info->pages);
-		ret = -ENODEV;
-		goto out_data;
+		return -ENODEV;
 	}
 
 	ret = pmbus_identify_common(client, data);
 	if (ret < 0) {
 		dev_err(&client->dev, "Failed to identify chip capabilities\n");
-		goto out_data;
+		return ret;
 	}
 
 	ret = -ENOMEM;
-	data->sensors = kzalloc(sizeof(struct pmbus_sensor) * data->max_sensors,
-				GFP_KERNEL);
+	data->sensors = devm_kzalloc(&client->dev, sizeof(struct pmbus_sensor)
+				     * data->max_sensors, GFP_KERNEL);
 	if (!data->sensors) {
 		dev_err(&client->dev, "No memory to allocate sensor data\n");
-		goto out_data;
+		return -ENOMEM;
 	}
 
-	data->booleans = kzalloc(sizeof(struct pmbus_boolean)
+	data->booleans = devm_kzalloc(&client->dev, sizeof(struct pmbus_boolean)
 				 * data->max_booleans, GFP_KERNEL);
 	if (!data->booleans) {
 		dev_err(&client->dev, "No memory to allocate boolean data\n");
-		goto out_sensors;
+		return -ENOMEM;
 	}
 
-	data->labels = kzalloc(sizeof(struct pmbus_label) * data->max_labels,
-			       GFP_KERNEL);
+	data->labels = devm_kzalloc(&client->dev, sizeof(struct pmbus_label)
+				    * data->max_labels, GFP_KERNEL);
 	if (!data->labels) {
 		dev_err(&client->dev, "No memory to allocate label data\n");
-		goto out_booleans;
+		return -ENOMEM;
 	}
 
-	data->attributes = kzalloc(sizeof(struct attribute *)
-				   * data->max_attributes, GFP_KERNEL);
+	data->attributes = devm_kzalloc(&client->dev, sizeof(struct attribute *)
+					* data->max_attributes, GFP_KERNEL);
 	if (!data->attributes) {
 		dev_err(&client->dev, "No memory to allocate attribute data\n");
-		goto out_labels;
+		return -ENOMEM;
 	}
 
 	pmbus_find_attributes(client, data);
@@ -1756,8 +1774,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 	 */
 	if (!data->num_attributes) {
 		dev_err(&client->dev, "No attributes found\n");
-		ret = -ENODEV;
-		goto out_attributes;
+		return -ENODEV;
 	}
 
 	/* Register sysfs hooks */
@@ -1765,7 +1782,7 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 	ret = sysfs_create_group(&client->dev.kobj, &data->group);
 	if (ret) {
 		dev_err(&client->dev, "Failed to create sysfs entries\n");
-		goto out_attributes;
+		return ret;
 	}
 	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -1777,30 +1794,16 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
 
 out_hwmon_device_register:
 	sysfs_remove_group(&client->dev.kobj, &data->group);
-out_attributes:
-	kfree(data->attributes);
-out_labels:
-	kfree(data->labels);
-out_booleans:
-	kfree(data->booleans);
-out_sensors:
-	kfree(data->sensors);
-out_data:
-	kfree(data);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(pmbus_do_probe);
 
-void pmbus_do_remove(struct i2c_client *client)
+int pmbus_do_remove(struct i2c_client *client)
 {
 	struct pmbus_data *data = i2c_get_clientdata(client);
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &data->group);
-	kfree(data->attributes);
-	kfree(data->labels);
-	kfree(data->booleans);
-	kfree(data->sensors);
-	kfree(data);
+	return 0;
 }
 EXPORT_SYMBOL_GPL(pmbus_do_remove);
 
diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c
index 4ff6cf289f85..fbb1479d3ad4 100644
--- a/drivers/hwmon/pmbus/ucd9000.c
+++ b/drivers/hwmon/pmbus/ucd9000.c
@@ -155,7 +155,8 @@ static int ucd9000_probe(struct i2c_client *client,
 			   "Device mismatch: Configured %s, detected %s\n",
 			   id->name, mid->name);
 
-	data = kzalloc(sizeof(struct ucd9000_data), GFP_KERNEL);
+	data = devm_kzalloc(&client->dev, sizeof(struct ucd9000_data),
+			    GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 	info = &data->info;
@@ -164,13 +165,12 @@ static int ucd9000_probe(struct i2c_client *client,
 	if (ret < 0) {
 		dev_err(&client->dev,
 			"Failed to read number of active pages\n");
-		goto out;
+		return ret;
 	}
 	info->pages = ret;
 	if (!info->pages) {
 		dev_err(&client->dev, "No pages configured\n");
-		ret = -ENODEV;
-		goto out;
+		return -ENODEV;
 	}
 
 	/* The internal temperature sensor is always active */
@@ -181,8 +181,7 @@ static int ucd9000_probe(struct i2c_client *client,
 					block_buffer);
 	if (ret <= 0) {
 		dev_err(&client->dev, "Failed to read configuration data\n");
-		ret = -ENODEV;
-		goto out;
+		return -ENODEV;
 	}
 	for (i = 0; i < ret; i++) {
 		int page = UCD9000_MON_PAGE(block_buffer[i]);
@@ -218,7 +217,7 @@ static int ucd9000_probe(struct i2c_client *client,
 							UCD9000_FAN_CONFIG,
 							data->fan_data[i]);
 			if (ret < 0)
-				goto out;
+				return ret;
 		}
 		i2c_smbus_write_byte_data(client, UCD9000_FAN_CONFIG_INDEX, 0);
 
@@ -227,49 +226,21 @@ static int ucd9000_probe(struct i2c_client *client,
 		  | PMBUS_HAVE_FAN34 | PMBUS_HAVE_STATUS_FAN34;
 	}
 
-	ret = pmbus_do_probe(client, mid, info);
-	if (ret < 0)
-		goto out;
-	return 0;
-
-out:
-	kfree(data);
-	return ret;
-}
-
-static int ucd9000_remove(struct i2c_client *client)
-{
-	struct ucd9000_data *data;
-
-	data = to_ucd9000_data(pmbus_get_driver_info(client));
-	pmbus_do_remove(client);
-	kfree(data);
-	return 0;
+	return pmbus_do_probe(client, mid, info);
 }
 
-
 /* This is the driver that will be inserted */
 static struct i2c_driver ucd9000_driver = {
 	.driver = {
 		.name = "ucd9000",
 	},
 	.probe = ucd9000_probe,
-	.remove = ucd9000_remove,
+	.remove = pmbus_do_remove,
 	.id_table = ucd9000_id,
 };
 
-static int __init ucd9000_init(void)
-{
-	return i2c_add_driver(&ucd9000_driver);
-}
-
-static void __exit ucd9000_exit(void)
-{
-	i2c_del_driver(&ucd9000_driver);
-}
+module_i2c_driver(ucd9000_driver);
 
 MODULE_AUTHOR("Guenter Roeck");
 MODULE_DESCRIPTION("PMBus driver for TI UCD90xxx");
 MODULE_LICENSE("GPL");
-module_init(ucd9000_init);
-module_exit(ucd9000_exit);
diff --git a/drivers/hwmon/pmbus/ucd9200.c b/drivers/hwmon/pmbus/ucd9200.c
index 6e1c1a80ab85..033d6aca47d3 100644
--- a/drivers/hwmon/pmbus/ucd9200.c
+++ b/drivers/hwmon/pmbus/ucd9200.c
@@ -81,7 +81,8 @@ static int ucd9200_probe(struct i2c_client *client,
 			   "Device mismatch: Configured %s, detected %s\n",
 			   id->name, mid->name);
 
-	info = kzalloc(sizeof(struct pmbus_driver_info), GFP_KERNEL);
+	info = devm_kzalloc(&client->dev, sizeof(struct pmbus_driver_info),
+			    GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
@@ -89,7 +90,7 @@ static int ucd9200_probe(struct i2c_client *client,
 					block_buffer);
 	if (ret < 0) {
 		dev_err(&client->dev, "Failed to read phase information\n");
-		goto out;
+		return ret;
 	}
 
 	/*
@@ -106,8 +107,7 @@ static int ucd9200_probe(struct i2c_client *client,
 	}
 	if (!info->pages) {
 		dev_err(&client->dev, "No rails configured\n");
-		ret = -ENODEV;
-		goto out;
+		return -ENODEV;
 	}
 	dev_info(&client->dev, "%d rails configured\n", info->pages);
 
@@ -137,7 +137,7 @@ static int ucd9200_probe(struct i2c_client *client,
 		if (ret < 0) {
 			dev_err(&client->dev,
 				"Failed to initialize PHASE registers\n");
-			goto out;
+			return ret;
 		}
 	}
 	if (info->pages > 1)
@@ -160,48 +160,21 @@ static int ucd9200_probe(struct i2c_client *client,
 	if (mid->driver_data == ucd9240)
 		info->func[0] |= PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_FAN12;
 
-	ret = pmbus_do_probe(client, mid, info);
-	if (ret < 0)
-		goto out;
-	return 0;
-out:
-	kfree(info);
-	return ret;
-}
-
-static int ucd9200_remove(struct i2c_client *client)
-{
-	const struct pmbus_driver_info *info;
-
-	info = pmbus_get_driver_info(client);
-	pmbus_do_remove(client);
-	kfree(info);
-	return 0;
+	return pmbus_do_probe(client, mid, info);
 }
 
-
 /* This is the driver that will be inserted */
 static struct i2c_driver ucd9200_driver = {
 	.driver = {
 		.name = "ucd9200",
 	},
 	.probe = ucd9200_probe,
-	.remove = ucd9200_remove,
+	.remove = pmbus_do_remove,
 	.id_table = ucd9200_id,
 };
 
-static int __init ucd9200_init(void)
-{
-	return i2c_add_driver(&ucd9200_driver);
-}
-
-static void __exit ucd9200_exit(void)
-{
-	i2c_del_driver(&ucd9200_driver);
-}
+module_i2c_driver(ucd9200_driver);
 
 MODULE_AUTHOR("Guenter Roeck");
 MODULE_DESCRIPTION("PMBus driver for TI UCD922x, UCD924x");
 MODULE_LICENSE("GPL");
-module_init(ucd9200_init);
-module_exit(ucd9200_exit);
diff --git a/drivers/hwmon/pmbus/zl6100.c b/drivers/hwmon/pmbus/zl6100.c
index e3e8420b7b81..fc5eed8e85bb 100644
--- a/drivers/hwmon/pmbus/zl6100.c
+++ b/drivers/hwmon/pmbus/zl6100.c
@@ -28,7 +28,8 @@
 #include <linux/delay.h>
 #include "pmbus.h"
 
-enum chips { zl2004, zl2005, zl2006, zl2008, zl2105, zl2106, zl6100, zl6105 };
+enum chips { zl2004, zl2005, zl2006, zl2008, zl2105, zl2106, zl6100, zl6105,
+	     zl9101, zl9117 };
 
 struct zl6100_data {
 	int id;
@@ -152,6 +153,8 @@ static const struct i2c_device_id zl6100_id[] = {
 	{"zl2106", zl2106},
 	{"zl6100", zl6100},
 	{"zl6105", zl6105},
+	{"zl9101", zl9101},
+	{"zl9117", zl9117},
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, zl6100_id);
@@ -193,7 +196,8 @@ static int zl6100_probe(struct i2c_client *client,
 			   "Device mismatch: Configured %s, detected %s\n",
 			   id->name, mid->name);
 
-	data = kzalloc(sizeof(struct zl6100_data), GFP_KERNEL);
+	data = devm_kzalloc(&client->dev, sizeof(struct zl6100_data),
+			    GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 
@@ -223,7 +227,8 @@ static int zl6100_probe(struct i2c_client *client,
 
 	ret = i2c_smbus_read_word_data(client, ZL6100_MFR_CONFIG);
 	if (ret < 0)
-		goto err_mem;
+		return ret;
+
 	if (ret & ZL6100_MFR_XTEMP_ENABLE)
 		info->func[0] |= PMBUS_HAVE_TEMP2;
 
@@ -235,24 +240,7 @@ static int zl6100_probe(struct i2c_client *client,
 	info->write_word_data = zl6100_write_word_data;
 	info->write_byte = zl6100_write_byte;
 
-	ret = pmbus_do_probe(client, mid, info);
-	if (ret)
-		goto err_mem;
-	return 0;
-
-err_mem:
-	kfree(data);
-	return ret;
-}
-
-static int zl6100_remove(struct i2c_client *client)
-{
-	const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
-	const struct zl6100_data *data = to_zl6100_data(info);
-
-	pmbus_do_remove(client);
-	kfree(data);
-	return 0;
+	return pmbus_do_probe(client, mid, info);
 }
 
 static struct i2c_driver zl6100_driver = {
@@ -260,22 +248,12 @@ static struct i2c_driver zl6100_driver = {
 		   .name = "zl6100",
 		   },
 	.probe = zl6100_probe,
-	.remove = zl6100_remove,
+	.remove = pmbus_do_remove,
 	.id_table = zl6100_id,
 };
 
-static int __init zl6100_init(void)
-{
-	return i2c_add_driver(&zl6100_driver);
-}
-
-static void __exit zl6100_exit(void)
-{
-	i2c_del_driver(&zl6100_driver);
-}
+module_i2c_driver(zl6100_driver);
 
 MODULE_AUTHOR("Guenter Roeck");
 MODULE_DESCRIPTION("PMBus driver for ZL6100 and compatibles");
 MODULE_LICENSE("GPL");
-module_init(zl6100_init);
-module_exit(zl6100_exit);
diff --git a/drivers/hwmon/sch5627.c b/drivers/hwmon/sch5627.c
index 79b6dabe3161..8ec6dfbccb64 100644
--- a/drivers/hwmon/sch5627.c
+++ b/drivers/hwmon/sch5627.c
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2010-2011 Hans de Goede <hdegoede@redhat.com>           *
+ *   Copyright (C) 2010-2012 Hans de Goede <hdegoede@redhat.com>           *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -79,6 +79,7 @@ static const char * const SCH5627_IN_LABELS[SCH5627_NO_IN] = {
 struct sch5627_data {
 	unsigned short addr;
 	struct device *hwmon_dev;
+	struct sch56xx_watchdog_data *watchdog;
 	u8 control;
 	u8 temp_max[SCH5627_NO_TEMPS];
 	u8 temp_crit[SCH5627_NO_TEMPS];
@@ -453,6 +454,9 @@ static int sch5627_remove(struct platform_device *pdev)
 {
 	struct sch5627_data *data = platform_get_drvdata(pdev);
 
+	if (data->watchdog)
+		sch56xx_watchdog_unregister(data->watchdog);
+
 	if (data->hwmon_dev)
 		hwmon_device_unregister(data->hwmon_dev);
 
@@ -574,6 +578,11 @@ static int __devinit sch5627_probe(struct platform_device *pdev)
 		goto error;
 	}
 
+	/* Note failing to register the watchdog is not a fatal error */
+	data->watchdog = sch56xx_watchdog_register(data->addr,
+			(build_code << 24) | (build_id << 8) | hwmon_rev,
+			&data->update_lock, 1);
+
 	return 0;
 
 error:
diff --git a/drivers/hwmon/sch5636.c b/drivers/hwmon/sch5636.c
index 9d5236fb09b4..906d4ed32d81 100644
--- a/drivers/hwmon/sch5636.c
+++ b/drivers/hwmon/sch5636.c
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2011 Hans de Goede <hdegoede@redhat.com>                *
+ *   Copyright (C) 2011-2012 Hans de Goede <hdegoede@redhat.com>           *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -67,6 +67,7 @@ static const u16 SCH5636_REG_FAN_VAL[SCH5636_NO_FANS] = {
 struct sch5636_data {
 	unsigned short addr;
 	struct device *hwmon_dev;
+	struct sch56xx_watchdog_data *watchdog;
 
 	struct mutex update_lock;
 	char valid;			/* !=0 if following fields are valid */
@@ -384,6 +385,9 @@ static int sch5636_remove(struct platform_device *pdev)
 	struct sch5636_data *data = platform_get_drvdata(pdev);
 	int i;
 
+	if (data->watchdog)
+		sch56xx_watchdog_unregister(data->watchdog);
+
 	if (data->hwmon_dev)
 		hwmon_device_unregister(data->hwmon_dev);
 
@@ -505,6 +509,11 @@ static int __devinit sch5636_probe(struct platform_device *pdev)
 		goto error;
 	}
 
+	/* Note failing to register the watchdog is not a fatal error */
+	data->watchdog = sch56xx_watchdog_register(data->addr,
+					(revision[0] << 8) | revision[1],
+					&data->update_lock, 0);
+
 	return 0;
 
 error:
diff --git a/drivers/hwmon/sch56xx-common.c b/drivers/hwmon/sch56xx-common.c
index fac32ee0b10e..ce52fc57d41d 100644
--- a/drivers/hwmon/sch56xx-common.c
+++ b/drivers/hwmon/sch56xx-common.c
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2010-2011 Hans de Goede <hdegoede@redhat.com>           *
+ *   Copyright (C) 2010-2012 Hans de Goede <hdegoede@redhat.com>           *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -26,8 +26,20 @@
 #include <linux/io.h>
 #include <linux/acpi.h>
 #include <linux/delay.h>
+#include <linux/fs.h>
+#include <linux/watchdog.h>
+#include <linux/miscdevice.h>
+#include <linux/uaccess.h>
+#include <linux/kref.h>
+#include <linux/slab.h>
 #include "sch56xx-common.h"
 
+/* Insmod parameters */
+static int nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+	__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
 #define SIO_SCH56XX_LD_EM	0x0C	/* Embedded uController Logical Dev */
 #define SIO_UNLOCK_KEY		0x55	/* Key to enable Super-I/O */
 #define SIO_LOCK_KEY		0xAA	/* Key to disable Super-I/O */
@@ -40,13 +52,45 @@
 #define SIO_SCH5627_ID		0xC6	/* Chipset ID */
 #define SIO_SCH5636_ID		0xC7	/* Chipset ID */
 
-#define REGION_LENGTH		9
+#define REGION_LENGTH		10
 
 #define SCH56XX_CMD_READ	0x02
 #define SCH56XX_CMD_WRITE	0x03
 
+/* Watchdog registers */
+#define SCH56XX_REG_WDOG_PRESET		0x58B
+#define SCH56XX_REG_WDOG_CONTROL	0x58C
+#define SCH56XX_WDOG_TIME_BASE_SEC	0x01
+#define SCH56XX_REG_WDOG_OUTPUT_ENABLE	0x58E
+#define SCH56XX_WDOG_OUTPUT_ENABLE	0x02
+
+struct sch56xx_watchdog_data {
+	u16 addr;
+	u32 revision;
+	struct mutex *io_lock;
+	struct mutex watchdog_lock;
+	struct list_head list; /* member of the watchdog_data_list */
+	struct kref kref;
+	struct miscdevice watchdog_miscdev;
+	unsigned long watchdog_is_open;
+	char watchdog_name[10]; /* must be unique to avoid sysfs conflict */
+	char watchdog_expect_close;
+	u8 watchdog_preset;
+	u8 watchdog_control;
+	u8 watchdog_output_enable;
+};
+
 static struct platform_device *sch56xx_pdev;
 
+/*
+ * Somewhat ugly :( global data pointer list with all sch56xx devices, so that
+ * we can find our device data as when using misc_register there is no other
+ * method to get to ones device data from the open fop.
+ */
+static LIST_HEAD(watchdog_data_list);
+/* Note this lock not only protect list access, but also data.kref access */
+static DEFINE_MUTEX(watchdog_data_mutex);
+
 /* Super I/O functions */
 static inline int superio_inb(int base, int reg)
 {
@@ -224,6 +268,477 @@ int sch56xx_read_virtual_reg12(u16 addr, u16 msb_reg, u16 lsn_reg,
 }
 EXPORT_SYMBOL(sch56xx_read_virtual_reg12);
 
+/*
+ * Watchdog routines
+ */
+
+/*
+ * Release our data struct when the platform device has been released *and*
+ * all references to our watchdog device are released.
+ */
+static void sch56xx_watchdog_release_resources(struct kref *r)
+{
+	struct sch56xx_watchdog_data *data =
+		container_of(r, struct sch56xx_watchdog_data, kref);
+	kfree(data);
+}
+
+static int watchdog_set_timeout(struct sch56xx_watchdog_data *data,
+				int timeout)
+{
+	int ret, resolution;
+	u8 control;
+
+	/* 1 second or 60 second resolution? */
+	if (timeout <= 255)
+		resolution = 1;
+	else
+		resolution = 60;
+
+	if (timeout < resolution || timeout > (resolution * 255))
+		return -EINVAL;
+
+	mutex_lock(&data->watchdog_lock);
+	if (!data->addr) {
+		ret = -ENODEV;
+		goto leave;
+	}
+
+	if (resolution == 1)
+		control = data->watchdog_control | SCH56XX_WDOG_TIME_BASE_SEC;
+	else
+		control = data->watchdog_control & ~SCH56XX_WDOG_TIME_BASE_SEC;
+
+	if (data->watchdog_control != control) {
+		mutex_lock(data->io_lock);
+		ret = sch56xx_write_virtual_reg(data->addr,
+						SCH56XX_REG_WDOG_CONTROL,
+						control);
+		mutex_unlock(data->io_lock);
+		if (ret)
+			goto leave;
+
+		data->watchdog_control = control;
+	}
+
+	/*
+	 * Remember new timeout value, but do not write as that (re)starts
+	 * the watchdog countdown.
+	 */
+	data->watchdog_preset = DIV_ROUND_UP(timeout, resolution);
+
+	ret = data->watchdog_preset * resolution;
+leave:
+	mutex_unlock(&data->watchdog_lock);
+	return ret;
+}
+
+static int watchdog_get_timeout(struct sch56xx_watchdog_data *data)
+{
+	int timeout;
+
+	mutex_lock(&data->watchdog_lock);
+	if (data->watchdog_control & SCH56XX_WDOG_TIME_BASE_SEC)
+		timeout = data->watchdog_preset;
+	else
+		timeout = data->watchdog_preset * 60;
+	mutex_unlock(&data->watchdog_lock);
+
+	return timeout;
+}
+
+static int watchdog_start(struct sch56xx_watchdog_data *data)
+{
+	int ret;
+	u8 val;
+
+	mutex_lock(&data->watchdog_lock);
+	if (!data->addr) {
+		ret = -ENODEV;
+		goto leave_unlock_watchdog;
+	}
+
+	/*
+	 * The sch56xx's watchdog cannot really be started / stopped
+	 * it is always running, but we can avoid the timer expiring
+	 * from causing a system reset by clearing the output enable bit.
+	 *
+	 * The sch56xx's watchdog will set the watchdog event bit, bit 0
+	 * of the second interrupt source register (at base-address + 9),
+	 * when the timer expires.
+	 *
+	 * This will only cause a system reset if the 0-1 flank happens when
+	 * output enable is true. Setting output enable after the flank will
+	 * not cause a reset, nor will the timer expiring a second time.
+	 * This means we must clear the watchdog event bit in case it is set.
+	 *
+	 * The timer may still be running (after a recent watchdog_stop) and
+	 * mere milliseconds away from expiring, so the timer must be reset
+	 * first!
+	 */
+
+	mutex_lock(data->io_lock);
+
+	/* 1. Reset the watchdog countdown counter */
+	ret = sch56xx_write_virtual_reg(data->addr, SCH56XX_REG_WDOG_PRESET,
+					data->watchdog_preset);
+	if (ret)
+		goto leave;
+
+	/* 2. Enable output (if not already enabled) */
+	if (!(data->watchdog_output_enable & SCH56XX_WDOG_OUTPUT_ENABLE)) {
+		val = data->watchdog_output_enable |
+		      SCH56XX_WDOG_OUTPUT_ENABLE;
+		ret = sch56xx_write_virtual_reg(data->addr,
+						SCH56XX_REG_WDOG_OUTPUT_ENABLE,
+						val);
+		if (ret)
+			goto leave;
+
+		data->watchdog_output_enable = val;
+	}
+
+	/* 3. Clear the watchdog event bit if set */
+	val = inb(data->addr + 9);
+	if (val & 0x01)
+		outb(0x01, data->addr + 9);
+
+leave:
+	mutex_unlock(data->io_lock);
+leave_unlock_watchdog:
+	mutex_unlock(&data->watchdog_lock);
+	return ret;
+}
+
+static int watchdog_trigger(struct sch56xx_watchdog_data *data)
+{
+	int ret;
+
+	mutex_lock(&data->watchdog_lock);
+	if (!data->addr) {
+		ret = -ENODEV;
+		goto leave;
+	}
+
+	/* Reset the watchdog countdown counter */
+	mutex_lock(data->io_lock);
+	ret = sch56xx_write_virtual_reg(data->addr, SCH56XX_REG_WDOG_PRESET,
+					data->watchdog_preset);
+	mutex_unlock(data->io_lock);
+leave:
+	mutex_unlock(&data->watchdog_lock);
+	return ret;
+}
+
+static int watchdog_stop_unlocked(struct sch56xx_watchdog_data *data)
+{
+	int ret = 0;
+	u8 val;
+
+	if (!data->addr)
+		return -ENODEV;
+
+	if (data->watchdog_output_enable & SCH56XX_WDOG_OUTPUT_ENABLE) {
+		val = data->watchdog_output_enable &
+		      ~SCH56XX_WDOG_OUTPUT_ENABLE;
+		mutex_lock(data->io_lock);
+		ret = sch56xx_write_virtual_reg(data->addr,
+						SCH56XX_REG_WDOG_OUTPUT_ENABLE,
+						val);
+		mutex_unlock(data->io_lock);
+		if (ret)
+			return ret;
+
+		data->watchdog_output_enable = val;
+	}
+
+	return ret;
+}
+
+static int watchdog_stop(struct sch56xx_watchdog_data *data)
+{
+	int ret;
+
+	mutex_lock(&data->watchdog_lock);
+	ret = watchdog_stop_unlocked(data);
+	mutex_unlock(&data->watchdog_lock);
+
+	return ret;
+}
+
+static int watchdog_release(struct inode *inode, struct file *filp)
+{
+	struct sch56xx_watchdog_data *data = filp->private_data;
+
+	if (data->watchdog_expect_close) {
+		watchdog_stop(data);
+		data->watchdog_expect_close = 0;
+	} else {
+		watchdog_trigger(data);
+		pr_crit("unexpected close, not stopping watchdog!\n");
+	}
+
+	clear_bit(0, &data->watchdog_is_open);
+
+	mutex_lock(&watchdog_data_mutex);
+	kref_put(&data->kref, sch56xx_watchdog_release_resources);
+	mutex_unlock(&watchdog_data_mutex);
+
+	return 0;
+}
+
+static int watchdog_open(struct inode *inode, struct file *filp)
+{
+	struct sch56xx_watchdog_data *pos, *data = NULL;
+	int ret, watchdog_is_open;
+
+	/*
+	 * We get called from drivers/char/misc.c with misc_mtx hold, and we
+	 * call misc_register() from sch56xx_watchdog_probe() with
+	 * watchdog_data_mutex hold, as misc_register() takes the misc_mtx
+	 * lock, this is a possible deadlock, so we use mutex_trylock here.
+	 */
+	if (!mutex_trylock(&watchdog_data_mutex))
+		return -ERESTARTSYS;
+	list_for_each_entry(pos, &watchdog_data_list, list) {
+		if (pos->watchdog_miscdev.minor == iminor(inode)) {
+			data = pos;
+			break;
+		}
+	}
+	/* Note we can never not have found data, so we don't check for this */
+	watchdog_is_open = test_and_set_bit(0, &data->watchdog_is_open);
+	if (!watchdog_is_open)
+		kref_get(&data->kref);
+	mutex_unlock(&watchdog_data_mutex);
+
+	if (watchdog_is_open)
+		return -EBUSY;
+
+	filp->private_data = data;
+
+	/* Start the watchdog */
+	ret = watchdog_start(data);
+	if (ret) {
+		watchdog_release(inode, filp);
+		return ret;
+	}
+
+	return nonseekable_open(inode, filp);
+}
+
+static ssize_t watchdog_write(struct file *filp, const char __user *buf,
+	size_t count, loff_t *offset)
+{
+	int ret;
+	struct sch56xx_watchdog_data *data = filp->private_data;
+
+	if (count) {
+		if (!nowayout) {
+			size_t i;
+
+			/* Clear it in case it was set with a previous write */
+			data->watchdog_expect_close = 0;
+
+			for (i = 0; i != count; i++) {
+				char c;
+				if (get_user(c, buf + i))
+					return -EFAULT;
+				if (c == 'V')
+					data->watchdog_expect_close = 1;
+			}
+		}
+		ret = watchdog_trigger(data);
+		if (ret)
+			return ret;
+	}
+	return count;
+}
+
+static long watchdog_ioctl(struct file *filp, unsigned int cmd,
+			   unsigned long arg)
+{
+	struct watchdog_info ident = {
+		.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT,
+		.identity = "sch56xx watchdog"
+	};
+	int i, ret = 0;
+	struct sch56xx_watchdog_data *data = filp->private_data;
+
+	switch (cmd) {
+	case WDIOC_GETSUPPORT:
+		ident.firmware_version = data->revision;
+		if (!nowayout)
+			ident.options |= WDIOF_MAGICCLOSE;
+		if (copy_to_user((void __user *)arg, &ident, sizeof(ident)))
+			ret = -EFAULT;
+		break;
+
+	case WDIOC_GETSTATUS:
+	case WDIOC_GETBOOTSTATUS:
+		ret = put_user(0, (int __user *)arg);
+		break;
+
+	case WDIOC_KEEPALIVE:
+		ret = watchdog_trigger(data);
+		break;
+
+	case WDIOC_GETTIMEOUT:
+		i = watchdog_get_timeout(data);
+		ret = put_user(i, (int __user *)arg);
+		break;
+
+	case WDIOC_SETTIMEOUT:
+		if (get_user(i, (int __user *)arg)) {
+			ret = -EFAULT;
+			break;
+		}
+		ret = watchdog_set_timeout(data, i);
+		if (ret >= 0)
+			ret = put_user(ret, (int __user *)arg);
+		break;
+
+	case WDIOC_SETOPTIONS:
+		if (get_user(i, (int __user *)arg)) {
+			ret = -EFAULT;
+			break;
+		}
+
+		if (i & WDIOS_DISABLECARD)
+			ret = watchdog_stop(data);
+		else if (i & WDIOS_ENABLECARD)
+			ret = watchdog_trigger(data);
+		else
+			ret = -EINVAL;
+		break;
+
+	default:
+		ret = -ENOTTY;
+	}
+	return ret;
+}
+
+static const struct file_operations watchdog_fops = {
+	.owner = THIS_MODULE,
+	.llseek = no_llseek,
+	.open = watchdog_open,
+	.release = watchdog_release,
+	.write = watchdog_write,
+	.unlocked_ioctl = watchdog_ioctl,
+};
+
+struct sch56xx_watchdog_data *sch56xx_watchdog_register(
+	u16 addr, u32 revision, struct mutex *io_lock, int check_enabled)
+{
+	struct sch56xx_watchdog_data *data;
+	int i, err, control, output_enable;
+	const int watchdog_minors[] = { WATCHDOG_MINOR, 212, 213, 214, 215 };
+
+	/* Cache the watchdog registers */
+	mutex_lock(io_lock);
+	control =
+		sch56xx_read_virtual_reg(addr, SCH56XX_REG_WDOG_CONTROL);
+	output_enable =
+		sch56xx_read_virtual_reg(addr, SCH56XX_REG_WDOG_OUTPUT_ENABLE);
+	mutex_unlock(io_lock);
+
+	if (control < 0)
+		return NULL;
+	if (output_enable < 0)
+		return NULL;
+	if (check_enabled && !(output_enable & SCH56XX_WDOG_OUTPUT_ENABLE)) {
+		pr_warn("Watchdog not enabled by BIOS, not registering\n");
+		return NULL;
+	}
+
+	data = kzalloc(sizeof(struct sch56xx_watchdog_data), GFP_KERNEL);
+	if (!data)
+		return NULL;
+
+	data->addr = addr;
+	data->revision = revision;
+	data->io_lock = io_lock;
+	data->watchdog_control = control;
+	data->watchdog_output_enable = output_enable;
+	mutex_init(&data->watchdog_lock);
+	INIT_LIST_HEAD(&data->list);
+	kref_init(&data->kref);
+
+	err = watchdog_set_timeout(data, 60);
+	if (err < 0)
+		goto error;
+
+	/*
+	 * We take the data_mutex lock early so that watchdog_open() cannot
+	 * run when misc_register() has completed, but we've not yet added
+	 * our data to the watchdog_data_list.
+	 */
+	mutex_lock(&watchdog_data_mutex);
+	for (i = 0; i < ARRAY_SIZE(watchdog_minors); i++) {
+		/* Register our watchdog part */
+		snprintf(data->watchdog_name, sizeof(data->watchdog_name),
+			"watchdog%c", (i == 0) ? '\0' : ('0' + i));
+		data->watchdog_miscdev.name = data->watchdog_name;
+		data->watchdog_miscdev.fops = &watchdog_fops;
+		data->watchdog_miscdev.minor = watchdog_minors[i];
+		err = misc_register(&data->watchdog_miscdev);
+		if (err == -EBUSY)
+			continue;
+		if (err)
+			break;
+
+		list_add(&data->list, &watchdog_data_list);
+		pr_info("Registered /dev/%s chardev major 10, minor: %d\n",
+			data->watchdog_name, watchdog_minors[i]);
+		break;
+	}
+	mutex_unlock(&watchdog_data_mutex);
+
+	if (err) {
+		pr_err("Registering watchdog chardev: %d\n", err);
+		goto error;
+	}
+	if (i == ARRAY_SIZE(watchdog_minors)) {
+		pr_warn("Couldn't register watchdog (no free minor)\n");
+		goto error;
+	}
+
+	return data;
+
+error:
+	kfree(data);
+	return NULL;
+}
+EXPORT_SYMBOL(sch56xx_watchdog_register);
+
+void sch56xx_watchdog_unregister(struct sch56xx_watchdog_data *data)
+{
+	mutex_lock(&watchdog_data_mutex);
+	misc_deregister(&data->watchdog_miscdev);
+	list_del(&data->list);
+	mutex_unlock(&watchdog_data_mutex);
+
+	mutex_lock(&data->watchdog_lock);
+	if (data->watchdog_is_open) {
+		pr_warn("platform device unregistered with watchdog "
+			"open! Stopping watchdog.\n");
+		watchdog_stop_unlocked(data);
+	}
+	/* Tell the wdog start/stop/trigger functions our dev is gone */
+	data->addr = 0;
+	data->io_lock = NULL;
+	mutex_unlock(&data->watchdog_lock);
+
+	mutex_lock(&watchdog_data_mutex);
+	kref_put(&data->kref, sch56xx_watchdog_release_resources);
+	mutex_unlock(&watchdog_data_mutex);
+}
+EXPORT_SYMBOL(sch56xx_watchdog_unregister);
+
+/*
+ * platform dev find, add and remove functions
+ */
+
 static int __init sch56xx_find(int sioaddr, unsigned short *address,
 			       const char **name)
 {
diff --git a/drivers/hwmon/sch56xx-common.h b/drivers/hwmon/sch56xx-common.h
index d5eaf3b9ebf5..7475086eb978 100644
--- a/drivers/hwmon/sch56xx-common.h
+++ b/drivers/hwmon/sch56xx-common.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2010-2011 Hans de Goede <hdegoede@redhat.com>           *
+ *   Copyright (C) 2010-2012 Hans de Goede <hdegoede@redhat.com>           *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -17,8 +17,16 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
+#include <linux/mutex.h>
+
+struct sch56xx_watchdog_data;
+
 int sch56xx_read_virtual_reg(u16 addr, u16 reg);
 int sch56xx_write_virtual_reg(u16 addr, u16 reg, u8 val);
 int sch56xx_read_virtual_reg16(u16 addr, u16 reg);
 int sch56xx_read_virtual_reg12(u16 addr, u16 msb_reg, u16 lsn_reg,
 			       int high_nibble);
+
+struct sch56xx_watchdog_data *sch56xx_watchdog_register(
+	u16 addr, u32 revision, struct mutex *io_lock, int check_enabled);
+void sch56xx_watchdog_unregister(struct sch56xx_watchdog_data *data);
diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
index 91fdd1fe18b0..8b011d016621 100644
--- a/drivers/hwmon/sht15.c
+++ b/drivers/hwmon/sht15.c
@@ -806,7 +806,7 @@ static void sht15_bh_read_data(struct work_struct *work_s)
 		 */
 		atomic_set(&data->interrupt_handled, 0);
 		enable_irq(gpio_to_irq(data->pdata->gpio_data));
-		/* If still not occurred or another handler has been scheduled */
+		/* If still not occurred or another handler was scheduled */
 		if (gpio_get_value(data->pdata->gpio_data)
 		    || atomic_read(&data->interrupt_handled))
 			return;
diff --git a/drivers/hwmon/sht21.c b/drivers/hwmon/sht21.c
index 15398780cc00..6c2dede4b8e7 100644
--- a/drivers/hwmon/sht21.c
+++ b/drivers/hwmon/sht21.c
@@ -261,28 +261,7 @@ static struct i2c_driver sht21_driver = {
 	.id_table    = sht21_id,
 };
 
-/**
- * sht21_init() - initialize driver
- *
- * Called when kernel is booted or module is inserted.
- * Returns 0 on success.
- */
-static int __init sht21_init(void)
-{
-	return i2c_add_driver(&sht21_driver);
-}
-module_init(sht21_init);
-
-/**
- * sht21_init() - clean up driver
- *
- * Called when module is removed.
- */
-static void __exit sht21_exit(void)
-{
-	i2c_del_driver(&sht21_driver);
-}
-module_exit(sht21_exit);
+module_i2c_driver(sht21_driver);
 
 MODULE_AUTHOR("Urs Fleisch <urs.fleisch@sensirion.com>");
 MODULE_DESCRIPTION("Sensirion SHT21 humidity and temperature sensor driver");
diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c
index 47d7ce9af8fb..6c4d8eb9b7ca 100644
--- a/drivers/hwmon/sis5595.c
+++ b/drivers/hwmon/sis5595.c
@@ -1,54 +1,54 @@
 /*
-    sis5595.c - Part of lm_sensors, Linux kernel modules
-		for hardware monitoring
-
-    Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
-			Kyösti Mälkki <kmalkki@cc.hut.fi>, and
-			Mark D. Studebaker <mdsxyz123@yahoo.com>
-    Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
-    the help of Jean Delvare <khali@linux-fr.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * sis5595.c - Part of lm_sensors, Linux kernel modules
+ *	       for hardware monitoring
+ *
+ * Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
+ *			     Kyösti Mälkki <kmalkki@cc.hut.fi>, and
+ *			     Mark D. Studebaker <mdsxyz123@yahoo.com>
+ * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
+ * the help of Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 /*
-   SiS southbridge has a LM78-like chip integrated on the same IC.
-   This driver is a customized copy of lm78.c
-   
-   Supports following revisions:
-	Version		PCI ID		PCI Revision
-	1		1039/0008	AF or less
-	2		1039/0008	B0 or greater
-
-   Note: these chips contain a 0008 device which is incompatible with the
-	 5595. We recognize these by the presence of the listed
-	 "blacklist" PCI ID and refuse to load.
-
-   NOT SUPPORTED	PCI ID		BLACKLIST PCI ID	
-	 540		0008		0540
-	 550		0008		0550
-	5513		0008		5511
-	5581		0008		5597
-	5582		0008		5597
-	5597		0008		5597
-	5598		0008		5597/5598
-	 630		0008		0630
-	 645		0008		0645
-	 730		0008		0730
-	 735		0008		0735
-*/
+ * SiS southbridge has a LM78-like chip integrated on the same IC.
+ * This driver is a customized copy of lm78.c
+ *
+ * Supports following revisions:
+ *	Version		PCI ID		PCI Revision
+ *	1		1039/0008	AF or less
+ *	2		1039/0008	B0 or greater
+ *
+ *  Note: these chips contain a 0008 device which is incompatible with the
+ *	 5595. We recognize these by the presence of the listed
+ *	 "blacklist" PCI ID and refuse to load.
+ *
+ * NOT SUPPORTED	PCI ID		BLACKLIST PCI ID
+ *	 540		0008		0540
+ *	 550		0008		0550
+ *	5513		0008		5511
+ *	5581		0008		5597
+ *	5582		0008		5597
+ *	5597		0008		5597
+ *	5598		0008		5597/5598
+ *	 630		0008		0630
+ *	 645		0008		0645
+ *	 730		0008		0730
+ *	 735		0008		0735
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -68,8 +68,10 @@
 #include <linux/io.h>
 
 
-/* If force_addr is set to anything different from 0, we forcibly enable
-   the device at the given address. */
+/*
+ * If force_addr is set to anything different from 0, we forcibly enable
+ * the device at the given address.
+ */
 static u16 force_addr;
 module_param(force_addr, ushort, 0);
 MODULE_PARM_DESC(force_addr,
@@ -98,30 +100,36 @@ static struct platform_device *pdev;
 #define SIS5595_REG_FAN_MIN(nr) (0x3b + (nr))
 #define SIS5595_REG_FAN(nr) (0x28 + (nr))
 
-/* On the first version of the chip, the temp registers are separate.
-   On the second version,
-   TEMP pin is shared with IN4, configured in PCI register 0x7A.
-   The registers are the same as well.
-   OVER and HYST are really MAX and MIN. */
+/*
+ * On the first version of the chip, the temp registers are separate.
+ * On the second version,
+ * TEMP pin is shared with IN4, configured in PCI register 0x7A.
+ * The registers are the same as well.
+ * OVER and HYST are really MAX and MIN.
+ */
 
 #define REV2MIN	0xb0
-#define SIS5595_REG_TEMP 	(( data->revision) >= REV2MIN) ? \
-					SIS5595_REG_IN(4) : 0x27
-#define SIS5595_REG_TEMP_OVER	(( data->revision) >= REV2MIN) ? \
-					SIS5595_REG_IN_MAX(4) : 0x39
-#define SIS5595_REG_TEMP_HYST	(( data->revision) >= REV2MIN) ? \
-					SIS5595_REG_IN_MIN(4) : 0x3a
+#define SIS5595_REG_TEMP	(((data->revision) >= REV2MIN) ? \
+					SIS5595_REG_IN(4) : 0x27)
+#define SIS5595_REG_TEMP_OVER	(((data->revision) >= REV2MIN) ? \
+					SIS5595_REG_IN_MAX(4) : 0x39)
+#define SIS5595_REG_TEMP_HYST	(((data->revision) >= REV2MIN) ? \
+					SIS5595_REG_IN_MIN(4) : 0x3a)
 
 #define SIS5595_REG_CONFIG 0x40
 #define SIS5595_REG_ALARM1 0x41
 #define SIS5595_REG_ALARM2 0x42
 #define SIS5595_REG_FANDIV 0x47
 
-/* Conversions. Limit checking is only done on the TO_REG
-   variants. */
+/*
+ * Conversions. Limit checking is only done on the TO_REG
+ * variants.
+ */
 
-/* IN: mV, (0V to 4.08V)
-   REG: 16mV/bit */
+/*
+ * IN: mV, (0V to 4.08V)
+ * REG: 16mV/bit
+ */
 static inline u8 IN_TO_REG(unsigned long val)
 {
 	unsigned long nval = SENSORS_LIMIT(val, 0, 4080);
@@ -138,11 +146,13 @@ static inline u8 FAN_TO_REG(long rpm, int div)
 
 static inline int FAN_FROM_REG(u8 val, int div)
 {
-	return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div);
+	return val == 0 ? -1 : val == 255 ? 0 : 1350000 / (val * div);
 }
 
-/* TEMP: mC (-54.12C to +157.53C)
-   REG: 0.83C/bit + 52.12, two's complement  */
+/*
+ * TEMP: mC (-54.12C to +157.53C)
+ * REG: 0.83C/bit + 52.12, two's complement
+ */
 static inline int TEMP_FROM_REG(s8 val)
 {
 	return val * 830 + 52120;
@@ -150,19 +160,23 @@ static inline int TEMP_FROM_REG(s8 val)
 static inline s8 TEMP_TO_REG(int val)
 {
 	int nval = SENSORS_LIMIT(val, -54120, 157530) ;
-	return nval<0 ? (nval-5212-415)/830 : (nval-5212+415)/830;
+	return nval < 0 ? (nval - 5212 - 415) / 830 : (nval - 5212 + 415) / 830;
 }
 
-/* FAN DIV: 1, 2, 4, or 8 (defaults to 2)
-   REG: 0, 1, 2, or 3 (respectively) (defaults to 1) */
+/*
+ * FAN DIV: 1, 2, 4, or 8 (defaults to 2)
+ * REG: 0, 1, 2, or 3 (respectively) (defaults to 1)
+ */
 static inline u8 DIV_TO_REG(int val)
 {
-	return val==8 ? 3 : val==4 ? 2 : val==1 ? 0 : 1;
+	return val == 8 ? 3 : val == 4 ? 2 : val == 1 ? 0 : 1;
 }
 #define DIV_FROM_REG(val) (1 << (val))
 
-/* For each registered chip, we need to keep some data in memory.
-   The structure is dynamically allocated. */
+/*
+ * For each registered chip, we need to keep some data in memory.
+ * The structure is dynamically allocated.
+ */
 struct sis5595_data {
 	unsigned short addr;
 	const char *name;
@@ -240,7 +254,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *da,
 	struct sis5595_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[nr] = IN_TO_REG(val);
@@ -255,7 +274,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
 	struct sis5595_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[nr] = IN_TO_REG(val);
@@ -279,22 +303,30 @@ show_in_offset(3);
 show_in_offset(4);
 
 /* Temperature */
-static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
+			 char *buf)
 {
 	struct sis5595_data *data = sis5595_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
 }
 
-static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr,
+			      char *buf)
 {
 	struct sis5595_data *data = sis5595_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
 }
 
-static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr,
+			     const char *buf, size_t count)
 {
 	struct sis5595_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_over = TEMP_TO_REG(val);
@@ -303,16 +335,23 @@ static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr,
+			      char *buf)
 {
 	struct sis5595_data *data = sis5595_update_device(dev);
 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst));
 }
 
-static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr,
+			     const char *buf, size_t count)
 {
 	struct sis5595_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_hyst = TEMP_TO_REG(val);
@@ -335,7 +374,7 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *da,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
 	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
-		DIV_FROM_REG(data->fan_div[nr])) );
+		DIV_FROM_REG(data->fan_div[nr])));
 }
 
 static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
@@ -344,8 +383,8 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
 	struct sis5595_data *data = sis5595_update_device(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
-		DIV_FROM_REG(data->fan_div[nr])) );
+	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
+		DIV_FROM_REG(data->fan_div[nr])));
 }
 
 static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
@@ -354,7 +393,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
 	struct sis5595_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -369,13 +413,15 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *da,
 	struct sis5595_data *data = sis5595_update_device(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
+	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
 }
 
-/* Note: we save and restore the fan minimum here, because its value is
-   determined in part by the fan divisor.  This follows the principle of
-   least surprise; the user doesn't expect the fan minimum to change just
-   because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor.  This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
 static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
 			   const char *buf, size_t count)
 {
@@ -383,8 +429,13 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
 	unsigned long min;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
 	int reg;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	min = FAN_FROM_REG(data->fan_min[nr],
@@ -392,17 +443,25 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
 	reg = sis5595_read_value(data, SIS5595_REG_FANDIV);
 
 	switch (val) {
-	case 1: data->fan_div[nr] = 0; break;
-	case 2: data->fan_div[nr] = 1; break;
-	case 4: data->fan_div[nr] = 2; break;
-	case 8: data->fan_div[nr] = 3; break;
+	case 1:
+		data->fan_div[nr] = 0;
+		break;
+	case 2:
+		data->fan_div[nr] = 1;
+		break;
+	case 4:
+		data->fan_div[nr] = 2;
+		break;
+	case 8:
+		data->fan_div[nr] = 3;
+		break;
 	default:
 		dev_err(dev, "fan_div value %ld not "
 			"supported. Choose one of 1, 2, 4 or 8!\n", val);
 		mutex_unlock(&data->update_lock);
 		return -EINVAL;
 	}
-	
+
 	switch (nr) {
 	case 0:
 		reg = (reg & 0xcf) | (data->fan_div[nr] << 4);
@@ -431,7 +490,8 @@ show_fan_offset(1);
 show_fan_offset(2);
 
 /* Alarms */
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+			   char *buf)
 {
 	struct sis5595_data *data = sis5595_update_device(dev);
 	return sprintf(buf, "%d\n", data->alarms);
@@ -521,7 +581,7 @@ static struct attribute *sis5595_attributes_temp1[] = {
 static const struct attribute_group sis5595_group_temp1 = {
 	.attrs = sis5595_attributes_temp1,
 };
- 
+
 /* This is called when the module is loaded */
 static int __devinit sis5595_probe(struct platform_device *pdev)
 {
@@ -539,7 +599,8 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
 		goto exit;
 	}
 
-	if (!(data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL);
+	if (!data) {
 		err = -ENOMEM;
 		goto exit_release;
 	}
@@ -550,7 +611,9 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
 	data->name = "sis5595";
 	platform_set_drvdata(pdev, data);
 
-	/* Check revision and pin registers to determine whether 4 or 5 voltages */
+	/*
+	 * Check revision and pin registers to determine whether 4 or 5 voltages
+	 */
 	data->revision = s_bridge->revision;
 	/* 4 voltages, 1 temp */
 	data->maxins = 3;
@@ -560,7 +623,7 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
 			/* 5 voltages, no temps */
 			data->maxins = 4;
 	}
-	
+
 	/* Initialize the SIS5595 chip */
 	sis5595_init_device(data);
 
@@ -571,15 +634,16 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
 	}
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group)))
+	err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group);
+	if (err)
 		goto exit_free;
 	if (data->maxins == 4) {
-		if ((err = sysfs_create_group(&pdev->dev.kobj,
-					      &sis5595_group_in4)))
+		err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group_in4);
+		if (err)
 			goto exit_remove_files;
 	} else {
-		if ((err = sysfs_create_group(&pdev->dev.kobj,
-					      &sis5595_group_temp1)))
+		err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group_temp1);
+		if (err)
 			goto exit_remove_files;
 	}
 
@@ -699,7 +763,7 @@ static struct sis5595_data *sis5595_update_device(struct device *dev)
 	return data;
 }
 
-static const struct pci_device_id sis5595_pci_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(sis5595_pci_ids) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) },
 	{ 0, }
 };
@@ -713,9 +777,11 @@ static int blacklist[] __devinitdata = {
 	PCI_DEVICE_ID_SI_645,
 	PCI_DEVICE_ID_SI_730,
 	PCI_DEVICE_ID_SI_735,
-	PCI_DEVICE_ID_SI_5511, /* 5513 chip has the 0008 device but
-				  that ID shows up in other chips so we
-				  use the 5511 ID for recognition */
+	PCI_DEVICE_ID_SI_5511, /*
+				* 5513 chip has the 0008 device but
+				* that ID shows up in other chips so we
+				* use the 5511 ID for recognition
+				*/
 	PCI_DEVICE_ID_SI_5597,
 	PCI_DEVICE_ID_SI_5598,
 	0 };
@@ -770,13 +836,16 @@ static int __devinit sis5595_pci_probe(struct pci_dev *dev,
 
 	for (i = blacklist; *i != 0; i++) {
 		struct pci_dev *d;
-		if ((d = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL))) {
-			dev_err(&d->dev, "Looked for SIS5595 but found unsupported device %.4x\n", *i);
+		d = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL);
+		if (d) {
+			dev_err(&d->dev,
+				"Looked for SIS5595 but found unsupported device %.4x\n",
+				*i);
 			pci_dev_put(d);
 			return -ENODEV;
 		}
 	}
-	
+
 	force_addr &= ~(SIS5595_EXTENT - 1);
 	if (force_addr) {
 		dev_warn(&dev->dev, "Forcing ISA address 0x%x\n", force_addr);
@@ -788,10 +857,11 @@ static int __devinit sis5595_pci_probe(struct pci_dev *dev,
 		dev_err(&dev->dev, "Failed to read ISA address\n");
 		return -ENODEV;
 	}
-	
+
 	address &= ~(SIS5595_EXTENT - 1);
 	if (!address) {
-		dev_err(&dev->dev, "Base address not set - upgrade BIOS or use force_addr=0xaddr\n");
+		dev_err(&dev->dev,
+			"Base address not set - upgrade BIOS or use force_addr=0xaddr\n");
 		return -ENODEV;
 	}
 	if (force_addr && address != force_addr) {
@@ -828,7 +898,8 @@ static int __devinit sis5595_pci_probe(struct pci_dev *dev,
 	if (sis5595_device_add(address))
 		goto exit_unregister;
 
-	/* Always return failure here.  This is to allow other drivers to bind
+	/*
+	 * Always return failure here.  This is to allow other drivers to bind
 	 * to this pci device.  We don't really want to have control over the
 	 * pci device, we only wanted to read as few register values from it.
 	 */
diff --git a/drivers/hwmon/smm665.c b/drivers/hwmon/smm665.c
index 411638181fd8..cbc51fb30dba 100644
--- a/drivers/hwmon/smm665.c
+++ b/drivers/hwmon/smm665.c
@@ -124,9 +124,9 @@ enum chips { smm465, smm665, smm665c, smm764, smm766 };
 #define SMM665_AIN_ADC_TO_VOLTS(adc)   ((adc) * vref / 512)
 
 /* Temp Sensor */
-#define SMM665_TEMP_ADC_TO_CELSIUS(adc) ((adc) <= 511) ?		   \
+#define SMM665_TEMP_ADC_TO_CELSIUS(adc) (((adc) <= 511) ?		   \
 					 ((int)(adc) * 1000 / 4) :	   \
-					 (((int)(adc) - 0x400) * 1000 / 4)
+					 (((int)(adc) - 0x400) * 1000 / 4))
 
 #define SMM665_NUM_ADC		11
 
@@ -376,7 +376,7 @@ static ssize_t smm665_show_input(struct device *dev,
 }
 
 #define SMM665_SHOW(what) \
-  static ssize_t smm665_show_##what(struct device *dev, \
+static ssize_t smm665_show_##what(struct device *dev, \
 				    struct device_attribute *da, char *buf) \
 { \
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
@@ -389,7 +389,8 @@ SMM665_SHOW(max);
 SMM665_SHOW(lcrit);
 SMM665_SHOW(crit);
 
-/* These macros are used below in constructing device attribute objects
+/*
+ * These macros are used below in constructing device attribute objects
  * for use with sysfs_create_group() to make a sysfs device file
  * for each register.
  */
@@ -583,10 +584,9 @@ static int smm665_probe(struct i2c_client *client,
 	if (i2c_smbus_read_byte_data(client, SMM665_ADOC_ENABLE) < 0)
 		return -ENODEV;
 
-	ret = -ENOMEM;
-	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
 	if (!data)
-		goto out_return;
+		return -ENOMEM;
 
 	i2c_set_clientdata(client, data);
 	mutex_init(&data->update_lock);
@@ -595,7 +595,7 @@ static int smm665_probe(struct i2c_client *client,
 	data->cmdreg = i2c_new_dummy(adapter, (client->addr & ~SMM665_REGMASK)
 				     | SMM665_CMDREG_BASE);
 	if (!data->cmdreg)
-		goto out_kfree;
+		return -ENOMEM;
 
 	switch (data->type) {
 	case smm465:
@@ -678,9 +678,6 @@ out_remove_group:
 	sysfs_remove_group(&client->dev.kobj, &smm665_group);
 out_unregister:
 	i2c_unregister_device(data->cmdreg);
-out_kfree:
-	kfree(data);
-out_return:
 	return ret;
 }
 
@@ -692,8 +689,6 @@ static int smm665_remove(struct i2c_client *client)
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &smm665_group);
 
-	kfree(data);
-
 	return 0;
 }
 
@@ -718,19 +713,8 @@ static struct i2c_driver smm665_driver = {
 	.id_table = smm665_id,
 };
 
-static int __init smm665_init(void)
-{
-	return i2c_add_driver(&smm665_driver);
-}
-
-static void __exit smm665_exit(void)
-{
-	i2c_del_driver(&smm665_driver);
-}
+module_i2c_driver(smm665_driver);
 
 MODULE_AUTHOR("Guenter Roeck");
 MODULE_DESCRIPTION("SMM665 driver");
 MODULE_LICENSE("GPL");
-
-module_init(smm665_init);
-module_exit(smm665_exit);
diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c
index 65c88ff5645a..d3b778da3f86 100644
--- a/drivers/hwmon/smsc47b397.c
+++ b/drivers/hwmon/smsc47b397.c
@@ -1,30 +1,30 @@
 /*
-    smsc47b397.c - Part of lm_sensors, Linux kernel modules
-			for hardware monitoring
-
-    Supports the SMSC LPC47B397-NC Super-I/O chip.
-
-    Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com>
-	Copyright (C) 2004 Utilitek Systems, Inc.
-
-    derived in part from smsc47m1.c:
-	Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
-	Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * smsc47b397.c - Part of lm_sensors, Linux kernel modules
+ * for hardware monitoring
+ *
+ * Supports the SMSC LPC47B397-NC Super-I/O chip.
+ *
+ * Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com>
+ * Copyright (C) 2004 Utilitek Systems, Inc.
+ *
+ * derived in part from smsc47m1.c:
+ * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
+ * Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -157,8 +157,10 @@ static struct smsc47b397_data *smsc47b397_update_device(struct device *dev)
 	return data;
 }
 
-/* TEMP: 0.001C/bit (-128C to +127C)
-   REG: 1C/bit, two's complement */
+/*
+ * TEMP: 0.001C/bit (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
 static int temp_from_reg(u8 reg)
 {
 	return (s8)reg * 1000;
@@ -177,8 +179,10 @@ static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
 static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3);
 
-/* FAN: 1 RPM/bit
-   REG: count of 90kHz pulses / revolution */
+/*
+ * FAN: 1 RPM/bit
+ * REG: count of 90kHz pulses / revolution
+ */
 static int fan_from_reg(u16 reg)
 {
 	if (reg == 0 || reg == 0xffff)
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index f44a89aac381..c590c1469793 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -1,30 +1,30 @@
 /*
-    smsc47m1.c - Part of lm_sensors, Linux kernel modules
-                 for hardware monitoring
-
-    Supports the SMSC LPC47B27x, LPC47M10x, LPC47M112, LPC47M13x,
-    LPC47M14x, LPC47M15x, LPC47M192, LPC47M292 and LPC47M997
-    Super-I/O chips.
-
-    Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
-    Copyright (C) 2004-2007 Jean Delvare <khali@linux-fr.org>
-    Ported to Linux 2.6 by Gabriele Gorla <gorlik@yahoo.com>
-                        and Jean Delvare
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * smsc47m1.c - Part of lm_sensors, Linux kernel modules
+ *		for hardware monitoring
+ *
+ * Supports the SMSC LPC47B27x, LPC47M10x, LPC47M112, LPC47M13x,
+ * LPC47M14x, LPC47M15x, LPC47M192, LPC47M292 and LPC47M997
+ * Super-I/O chips.
+ *
+ * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
+ * Copyright (C) 2004-2007 Jean Delvare <khali@linux-fr.org>
+ * Ported to Linux 2.6 by Gabriele Gorla <gorlik@yahoo.com>
+ *			and Jean Delvare
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -53,8 +53,8 @@ enum chips { smsc47m1, smsc47m2 };
 
 /* Super-I/0 registers and commands */
 
-#define	REG	0x2e	/* The register to read/write */
-#define	VAL	0x2f	/* The value to read/write */
+#define REG	0x2e	/* The register to read/write */
+#define VAL	0x2f	/* The value to read/write */
 
 static inline void
 superio_outb(int reg, int val)
@@ -111,10 +111,11 @@ static const u8 SMSC47M1_REG_PWM[3]		= { 0x56, 0x57, 0x69 };
 #define SMSC47M2_REG_PPIN3		0x2c
 #define SMSC47M2_REG_FANDIV3		0x6a
 
-#define MIN_FROM_REG(reg,div)		((reg)>=192 ? 0 : \
-					 983040/((192-(reg))*(div)))
-#define FAN_FROM_REG(reg,div,preload)	((reg)<=(preload) || (reg)==255 ? 0 : \
-					 983040/(((reg)-(preload))*(div)))
+#define MIN_FROM_REG(reg, div)		((reg) >= 192 ? 0 : \
+					 983040 / ((192 - (reg)) * (div)))
+#define FAN_FROM_REG(reg, div, preload)	((reg) <= (preload) || (reg) == 255 ? \
+					 0 : \
+					 983040 / (((reg) - (preload)) * (div)))
 #define DIV_FROM_REG(reg)		(1 << (reg))
 #define PWM_FROM_REG(reg)		(((reg) & 0x7E) << 1)
 #define PWM_EN_FROM_REG(reg)		((~(reg)) & 0x01)
@@ -171,10 +172,12 @@ static ssize_t get_fan(struct device *dev, struct device_attribute
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
 	int nr = attr->index;
-	/* This chip (stupidly) stops monitoring fan speed if PWM is
-	   enabled and duty cycle is 0%. This is fine if the monitoring
-	   and control concern the same fan, but troublesome if they are
-	   not (which could as well happen). */
+	/*
+	 * This chip (stupidly) stops monitoring fan speed if PWM is
+	 * enabled and duty cycle is 0%. This is fine if the monitoring
+	 * and control concern the same fan, but troublesome if they are
+	 * not (which could as well happen).
+	 */
 	int rpm = (data->pwm[nr] & 0x7F) == 0x00 ? 0 :
 		  FAN_FROM_REG(data->fan[nr],
 			       DIV_FROM_REG(data->fan_div[nr]),
@@ -238,7 +241,13 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct smsc47m1_data *data = dev_get_drvdata(dev);
 	int nr = attr->index;
-	long rpmdiv, val = simple_strtol(buf, NULL, 10);
+	long rpmdiv;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	rpmdiv = val * DIV_FROM_REG(data->fan_div[nr]);
@@ -256,28 +265,44 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute
 	return count;
 }
 
-/* Note: we save and restore the fan minimum here, because its value is
-   determined in part by the fan clock divider.  This follows the principle
-   of least surprise; the user doesn't expect the fan minimum to change just
-   because the divider changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan clock divider.  This follows the principle
+ * of least surprise; the user doesn't expect the fan minimum to change just
+ * because the divider changed.
+ */
 static ssize_t set_fan_div(struct device *dev, struct device_attribute
 			   *devattr, const char *buf, size_t count)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct smsc47m1_data *data = dev_get_drvdata(dev);
 	int nr = attr->index;
-	long new_div = simple_strtol(buf, NULL, 10), tmp;
+	long new_div;
+	int err;
+	long tmp;
 	u8 old_div = DIV_FROM_REG(data->fan_div[nr]);
 
+	err = kstrtol(buf, 10, &new_div);
+	if (err)
+		return err;
+
 	if (new_div == old_div) /* No change */
 		return count;
 
 	mutex_lock(&data->update_lock);
 	switch (new_div) {
-	case 1: data->fan_div[nr] = 0; break;
-	case 2: data->fan_div[nr] = 1; break;
-	case 4: data->fan_div[nr] = 2; break;
-	case 8: data->fan_div[nr] = 3; break;
+	case 1:
+		data->fan_div[nr] = 0;
+		break;
+	case 2:
+		data->fan_div[nr] = 1;
+		break;
+	case 4:
+		data->fan_div[nr] = 2;
+		break;
+	case 8:
+		data->fan_div[nr] = 3;
+		break;
 	default:
 		mutex_unlock(&data->update_lock);
 		return -EINVAL;
@@ -315,7 +340,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct smsc47m1_data *data = dev_get_drvdata(dev);
 	int nr = attr->index;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	if (val < 0 || val > 255)
 		return -EINVAL;
@@ -336,9 +366,14 @@ static ssize_t set_pwm_en(struct device *dev, struct device_attribute
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct smsc47m1_data *data = dev_get_drvdata(dev);
 	int nr = attr->index;
-	long val = simple_strtol(buf, NULL, 10);
-	
-	if (val != 0 && val != 1)
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	if (val > 1)
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
@@ -380,30 +415,73 @@ static ssize_t show_name(struct device *dev, struct device_attribute
 }
 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
 
-/* Almost all sysfs files may or may not be created depending on the chip
-   setup so we create them individually. It is still convenient to define a
-   group to remove them all at once. */
-static struct attribute *smsc47m1_attributes[] = {
+static struct attribute *smsc47m1_attributes_fan1[] = {
 	&sensor_dev_attr_fan1_input.dev_attr.attr,
 	&sensor_dev_attr_fan1_min.dev_attr.attr,
 	&sensor_dev_attr_fan1_div.dev_attr.attr,
 	&sensor_dev_attr_fan1_alarm.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group smsc47m1_group_fan1 = {
+	.attrs = smsc47m1_attributes_fan1,
+};
+
+static struct attribute *smsc47m1_attributes_fan2[] = {
 	&sensor_dev_attr_fan2_input.dev_attr.attr,
 	&sensor_dev_attr_fan2_min.dev_attr.attr,
 	&sensor_dev_attr_fan2_div.dev_attr.attr,
 	&sensor_dev_attr_fan2_alarm.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group smsc47m1_group_fan2 = {
+	.attrs = smsc47m1_attributes_fan2,
+};
+
+static struct attribute *smsc47m1_attributes_fan3[] = {
 	&sensor_dev_attr_fan3_input.dev_attr.attr,
 	&sensor_dev_attr_fan3_min.dev_attr.attr,
 	&sensor_dev_attr_fan3_div.dev_attr.attr,
 	&sensor_dev_attr_fan3_alarm.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group smsc47m1_group_fan3 = {
+	.attrs = smsc47m1_attributes_fan3,
+};
 
+static struct attribute *smsc47m1_attributes_pwm1[] = {
 	&sensor_dev_attr_pwm1.dev_attr.attr,
 	&sensor_dev_attr_pwm1_enable.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group smsc47m1_group_pwm1 = {
+	.attrs = smsc47m1_attributes_pwm1,
+};
+
+static struct attribute *smsc47m1_attributes_pwm2[] = {
 	&sensor_dev_attr_pwm2.dev_attr.attr,
 	&sensor_dev_attr_pwm2_enable.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group smsc47m1_group_pwm2 = {
+	.attrs = smsc47m1_attributes_pwm2,
+};
+
+static struct attribute *smsc47m1_attributes_pwm3[] = {
 	&sensor_dev_attr_pwm3.dev_attr.attr,
 	&sensor_dev_attr_pwm3_enable.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group smsc47m1_group_pwm3 = {
+	.attrs = smsc47m1_attributes_pwm3,
+};
 
+static struct attribute *smsc47m1_attributes[] = {
 	&dev_attr_alarms.attr,
 	&dev_attr_name.attr,
 	NULL
@@ -476,8 +554,10 @@ static int __init smsc47m1_find(unsigned short *addr,
 		return -ENODEV;
 	}
 
-	/* Enable only if address is set (needed at least on the
-	 * Compaq Presario S4000NX) */
+	/*
+	 * Enable only if address is set (needed at least on the
+	 * Compaq Presario S4000NX)
+	 */
 	sio_data->activate = superio_inb(SUPERIO_REG_ACT);
 	if ((sio_data->activate & 0x01) == 0) {
 		pr_info("Enabling device\n");
@@ -583,6 +663,17 @@ static int smsc47m1_handle_resources(unsigned short address, enum chips type,
 	return 0;
 }
 
+static void smsc47m1_remove_files(struct device *dev)
+{
+	sysfs_remove_group(&dev->kobj, &smsc47m1_group);
+	sysfs_remove_group(&dev->kobj, &smsc47m1_group_fan1);
+	sysfs_remove_group(&dev->kobj, &smsc47m1_group_fan2);
+	sysfs_remove_group(&dev->kobj, &smsc47m1_group_fan3);
+	sysfs_remove_group(&dev->kobj, &smsc47m1_group_pwm1);
+	sysfs_remove_group(&dev->kobj, &smsc47m1_group_pwm2);
+	sysfs_remove_group(&dev->kobj, &smsc47m1_group_pwm3);
+}
+
 static int __init smsc47m1_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -592,7 +683,7 @@ static int __init smsc47m1_probe(struct platform_device *pdev)
 	int err;
 	int fan1, fan2, fan3, pwm1, pwm2, pwm3;
 
-	static const char *names[] = {
+	static const char * const names[] = {
 		"smsc47m1",
 		"smsc47m2",
 	};
@@ -603,7 +694,8 @@ static int __init smsc47m1_probe(struct platform_device *pdev)
 	if (err < 0)
 		return err;
 
-	if (!(data = kzalloc(sizeof(struct smsc47m1_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct smsc47m1_data), GFP_KERNEL);
+	if (!data) {
 		err = -ENOMEM;
 		goto error_release;
 	}
@@ -614,8 +706,10 @@ static int __init smsc47m1_probe(struct platform_device *pdev)
 	mutex_init(&data->update_lock);
 	platform_set_drvdata(pdev, data);
 
-	/* If no function is properly configured, there's no point in
-	   actually registering the chip. */
+	/*
+	 * If no function is properly configured, there's no point in
+	 * actually registering the chip.
+	 */
 	pwm1 = (smsc47m1_read_value(data, SMSC47M1_REG_PPIN(0)) & 0x05)
 	       == 0x04;
 	pwm2 = (smsc47m1_read_value(data, SMSC47M1_REG_PPIN(1)) & 0x05)
@@ -643,84 +737,67 @@ static int __init smsc47m1_probe(struct platform_device *pdev)
 		goto error_free;
 	}
 
-	/* Some values (fan min, clock dividers, pwm registers) may be
-	   needed before any update is triggered, so we better read them
-	   at least once here. We don't usually do it that way, but in
-	   this particular case, manually reading 5 registers out of 8
-	   doesn't make much sense and we're better using the existing
-	   function. */
+	/*
+	 * Some values (fan min, clock dividers, pwm registers) may be
+	 * needed before any update is triggered, so we better read them
+	 * at least once here. We don't usually do it that way, but in
+	 * this particular case, manually reading 5 registers out of 8
+	 * doesn't make much sense and we're better using the existing
+	 * function.
+	 */
 	smsc47m1_update_device(dev, 1);
 
 	/* Register sysfs hooks */
 	if (fan1) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_fan1_input.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_fan1_min.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_fan1_div.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_fan1_alarm.dev_attr)))
+		err = sysfs_create_group(&dev->kobj,
+					 &smsc47m1_group_fan1);
+		if (err)
 			goto error_remove_files;
 	} else
 		dev_dbg(dev, "Fan 1 not enabled by hardware, skipping\n");
 
 	if (fan2) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_fan2_input.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_fan2_min.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_fan2_div.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_fan2_alarm.dev_attr)))
+		err = sysfs_create_group(&dev->kobj,
+					 &smsc47m1_group_fan2);
+		if (err)
 			goto error_remove_files;
 	} else
 		dev_dbg(dev, "Fan 2 not enabled by hardware, skipping\n");
 
 	if (fan3) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_fan3_input.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_fan3_min.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_fan3_div.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_fan3_alarm.dev_attr)))
+		err = sysfs_create_group(&dev->kobj,
+					 &smsc47m1_group_fan3);
+		if (err)
 			goto error_remove_files;
 	} else if (data->type == smsc47m2)
 		dev_dbg(dev, "Fan 3 not enabled by hardware, skipping\n");
 
 	if (pwm1) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_pwm1.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_pwm1_enable.dev_attr)))
+		err = sysfs_create_group(&dev->kobj,
+					 &smsc47m1_group_pwm1);
+		if (err)
 			goto error_remove_files;
 	} else
 		dev_dbg(dev, "PWM 1 not enabled by hardware, skipping\n");
 
 	if (pwm2) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_pwm2.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_pwm2_enable.dev_attr)))
+		err = sysfs_create_group(&dev->kobj,
+					 &smsc47m1_group_pwm2);
+		if (err)
 			goto error_remove_files;
 	} else
 		dev_dbg(dev, "PWM 2 not enabled by hardware, skipping\n");
 
 	if (pwm3) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_pwm3.dev_attr))
-		 || (err = device_create_file(dev,
-				&sensor_dev_attr_pwm3_enable.dev_attr)))
+		err = sysfs_create_group(&dev->kobj,
+					 &smsc47m1_group_pwm3);
+		if (err)
 			goto error_remove_files;
 	} else if (data->type == smsc47m2)
 		dev_dbg(dev, "PWM 3 not enabled by hardware, skipping\n");
 
-	if ((err = device_create_file(dev, &dev_attr_alarms)))
-		goto error_remove_files;
-	if ((err = device_create_file(dev, &dev_attr_name)))
+	err = sysfs_create_group(&dev->kobj, &smsc47m1_group);
+	if (err)
 		goto error_remove_files;
 
 	data->hwmon_dev = hwmon_device_register(dev);
@@ -732,7 +809,7 @@ static int __init smsc47m1_probe(struct platform_device *pdev)
 	return 0;
 
 error_remove_files:
-	sysfs_remove_group(&dev->kobj, &smsc47m1_group);
+	smsc47m1_remove_files(dev);
 error_free:
 	platform_set_drvdata(pdev, NULL);
 	kfree(data);
@@ -747,7 +824,7 @@ static int __exit smsc47m1_remove(struct platform_device *pdev)
 	struct resource *res;
 
 	hwmon_device_unregister(data->hwmon_dev);
-	sysfs_remove_group(&pdev->dev.kobj, &smsc47m1_group);
+	smsc47m1_remove_files(&pdev->dev);
 
 	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
 	smsc47m1_handle_resources(res->start, data->type, RELEASE, &pdev->dev);
diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c
index 40b26673d87f..4705a8bf11c2 100644
--- a/drivers/hwmon/smsc47m192.c
+++ b/drivers/hwmon/smsc47m192.c
@@ -1,25 +1,25 @@
 /*
-    smsc47m192.c - Support for hardware monitoring block of
-                   SMSC LPC47M192 and compatible Super I/O chips
-
-    Copyright (C) 2006  Hartmut Rick <linux@rick.claranet.de>
-
-    Derived from lm78.c and other chip drivers.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * smsc47m192.c - Support for hardware monitoring block of
+ *		  SMSC LPC47M192 and compatible Super I/O chips
+ *
+ * Copyright (C) 2006  Hartmut Rick <linux@rick.claranet.de>
+ *
+ * Derived from lm78.c and other chip drivers.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -37,16 +37,16 @@
 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
 
 /* SMSC47M192 registers */
-#define SMSC47M192_REG_IN(nr)		((nr)<6 ? (0x20 + (nr)) : \
+#define SMSC47M192_REG_IN(nr)		((nr) < 6 ? (0x20 + (nr)) : \
 					(0x50 + (nr) - 6))
-#define SMSC47M192_REG_IN_MAX(nr)	((nr)<6 ? (0x2b + (nr) * 2) : \
+#define SMSC47M192_REG_IN_MAX(nr)	((nr) < 6 ? (0x2b + (nr) * 2) : \
 					(0x54 + (((nr) - 6) * 2)))
-#define SMSC47M192_REG_IN_MIN(nr)	((nr)<6 ? (0x2c + (nr) * 2) : \
+#define SMSC47M192_REG_IN_MIN(nr)	((nr) < 6 ? (0x2c + (nr) * 2) : \
 					(0x55 + (((nr) - 6) * 2)))
 static u8 SMSC47M192_REG_TEMP[3] =	{ 0x27, 0x26, 0x52 };
 static u8 SMSC47M192_REG_TEMP_MAX[3] =	{ 0x39, 0x37, 0x58 };
 static u8 SMSC47M192_REG_TEMP_MIN[3] =	{ 0x3A, 0x38, 0x59 };
-#define SMSC47M192_REG_TEMP_OFFSET(nr)	((nr)==2 ? 0x1e : 0x1f)
+#define SMSC47M192_REG_TEMP_OFFSET(nr)	((nr) == 2 ? 0x1e : 0x1f)
 #define SMSC47M192_REG_ALARM1		0x41
 #define SMSC47M192_REG_ALARM2		0x42
 #define SMSC47M192_REG_VID		0x47
@@ -80,8 +80,10 @@ static inline u8 IN_TO_REG(unsigned long val, int n)
 	return SENSORS_LIMIT(SCALE(val, 192, nom_mv[n]), 0, 255);
 }
 
-/* TEMP: 0.001 degC units (-128C to +127C)
-   REG: 1C/bit, two's complement */
+/*
+ * TEMP: 0.001 degC units (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
 static inline s8 TEMP_TO_REG(int val)
 {
 	return SENSORS_LIMIT(SCALE(val, 1, 1000), -128000, 127000);
@@ -170,7 +172,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct smsc47m192_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[nr] = IN_TO_REG(val, nr);
@@ -187,7 +194,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct smsc47m192_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[nr] = IN_TO_REG(val, nr);
@@ -249,7 +261,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct smsc47m192_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_min[nr] = TEMP_TO_REG(val);
@@ -266,7 +283,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct smsc47m192_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_max[nr] = TEMP_TO_REG(val);
@@ -293,22 +315,29 @@ static ssize_t set_temp_offset(struct device *dev, struct device_attribute
 	struct i2c_client *client = to_i2c_client(dev);
 	struct smsc47m192_data *data = i2c_get_clientdata(client);
 	u8 sfr = i2c_smbus_read_byte_data(client, SMSC47M192_REG_SFR);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_offset[nr] = TEMP_TO_REG(val);
-	if (nr>1)
+	if (nr > 1)
 		i2c_smbus_write_byte_data(client,
 			SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]);
 	else if (data->temp_offset[nr] != 0) {
-		/* offset[0] and offset[1] share the same register,
-			SFR bit 4 activates offset[0] */
+		/*
+		 * offset[0] and offset[1] share the same register,
+		 * SFR bit 4 activates offset[0]
+		 */
 		i2c_smbus_write_byte_data(client, SMSC47M192_REG_SFR,
-					(sfr & 0xef) | (nr==0 ? 0x10 : 0));
+					(sfr & 0xef) | (nr == 0 ? 0x10 : 0));
 		data->temp_offset[1-nr] = 0;
 		i2c_smbus_write_byte_data(client,
 			SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]);
-	} else if ((sfr & 0x10) == (nr==0 ? 0x10 : 0))
+	} else if ((sfr & 0x10) == (nr == 0 ? 0x10 : 0))
 		i2c_smbus_write_byte_data(client,
 					SMSC47M192_REG_TEMP_OFFSET(nr), 0);
 	mutex_unlock(&data->update_lock);
@@ -349,7 +378,14 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
 	struct smsc47m192_data *data = dev_get_drvdata(dev);
-	data->vrm = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	data->vrm = val;
 	return count;
 }
 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
@@ -458,13 +494,13 @@ static void smsc47m192_init_client(struct i2c_client *client)
 						(sfr & 0xfd) | 0x02);
 	if (!(config & 0x01)) {
 		/* initialize alarm limits */
-		for (i=0; i<8; i++) {
+		for (i = 0; i < 8; i++) {
 			i2c_smbus_write_byte_data(client,
 				SMSC47M192_REG_IN_MIN(i), 0);
 			i2c_smbus_write_byte_data(client,
 				SMSC47M192_REG_IN_MAX(i), 0xff);
 		}
-		for (i=0; i<3; i++) {
+		for (i = 0; i < 3; i++) {
 			i2c_smbus_write_byte_data(client,
 				SMSC47M192_REG_TEMP_MIN[i], 0x80);
 			i2c_smbus_write_byte_data(client,
@@ -532,14 +568,16 @@ static int smsc47m192_probe(struct i2c_client *client,
 	smsc47m192_init_client(client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &smsc47m192_group)))
+	err = sysfs_create_group(&client->dev.kobj, &smsc47m192_group);
+	if (err)
 		goto exit_free;
 
 	/* Pin 110 is either in4 (+12V) or VID4 */
 	config = i2c_smbus_read_byte_data(client, SMSC47M192_REG_CONFIG);
 	if (!(config & 0x20)) {
-		if ((err = sysfs_create_group(&client->dev.kobj,
-					      &smsc47m192_group_in4)))
+		err = sysfs_create_group(&client->dev.kobj,
+					 &smsc47m192_group_in4);
+		if (err)
 			goto exit_remove_files;
 	}
 
@@ -606,8 +644,10 @@ static struct smsc47m192_data *smsc47m192_update_device(struct device *dev)
 		for (i = 1; i < 3; i++)
 			data->temp_offset[i] = i2c_smbus_read_byte_data(client,
 						SMSC47M192_REG_TEMP_OFFSET(i));
-		/* first offset is temp_offset[0] if SFR bit 4 is set,
-					temp_offset[1] otherwise */
+		/*
+		 * first offset is temp_offset[0] if SFR bit 4 is set,
+		 * temp_offset[1] otherwise
+		 */
 		if (sfr & 0x10) {
 			data->temp_offset[0] = data->temp_offset[1];
 			data->temp_offset[1] = 0;
@@ -624,7 +664,7 @@ static struct smsc47m192_data *smsc47m192_update_device(struct device *dev)
 		data->alarms = i2c_smbus_read_byte_data(client,
 						SMSC47M192_REG_ALARM1) |
 			       (i2c_smbus_read_byte_data(client,
-		       				SMSC47M192_REG_ALARM2) << 8);
+						SMSC47M192_REG_ALARM2) << 8);
 
 		data->last_updated = jiffies;
 		data->valid = 1;
@@ -635,19 +675,8 @@ static struct smsc47m192_data *smsc47m192_update_device(struct device *dev)
 	return data;
 }
 
-static int __init smsc47m192_init(void)
-{
-	return i2c_add_driver(&smsc47m192_driver);
-}
-
-static void __exit smsc47m192_exit(void)
-{
-	i2c_del_driver(&smsc47m192_driver);
-}
+module_i2c_driver(smsc47m192_driver);
 
 MODULE_AUTHOR("Hartmut Rick <linux@rick.claranet.de>");
 MODULE_DESCRIPTION("SMSC47M192 driver");
 MODULE_LICENSE("GPL");
-
-module_init(smsc47m192_init);
-module_exit(smsc47m192_exit);
diff --git a/drivers/hwmon/thmc50.c b/drivers/hwmon/thmc50.c
index 7dfb4dec4c5f..add9f019b24f 100644
--- a/drivers/hwmon/thmc50.c
+++ b/drivers/hwmon/thmc50.c
@@ -1,24 +1,24 @@
 /*
-    thmc50.c - Part of lm_sensors, Linux kernel modules for hardware
-             monitoring
-    Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
-    Based on 2.4 driver by Frodo Looijaard <frodol@dds.nl> and
-    Philip Edelbrock <phil@netroedge.com>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * thmc50.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	      monitoring
+ * Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
+ * Based on 2.4 driver by Frodo Looijaard <frodol@dds.nl> and
+ * Philip Edelbrock <phil@netroedge.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -124,8 +124,13 @@ static ssize_t set_analog_out(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct thmc50_data *data = i2c_get_clientdata(client);
-	int tmp = simple_strtoul(buf, NULL, 10);
 	int config;
+	unsigned long tmp;
+	int err;
+
+	err = kstrtoul(buf, 10, &tmp);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->analog_out = SENSORS_LIMIT(tmp, 0, 255);
@@ -173,7 +178,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct thmc50_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_min[nr] = SENSORS_LIMIT(val / 1000, -128, 127);
@@ -197,7 +207,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct thmc50_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_max[nr] = SENSORS_LIMIT(val / 1000, -128, 127);
@@ -360,14 +375,16 @@ static int thmc50_probe(struct i2c_client *client,
 	thmc50_init_client(client);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &thmc50_group)))
+	err = sysfs_create_group(&client->dev.kobj, &thmc50_group);
+	if (err)
 		goto exit_free;
 
 	/* Register ADM1022 sysfs hooks */
-	if (data->has_temp3)
-		if ((err = sysfs_create_group(&client->dev.kobj,
-					      &temp3_group)))
+	if (data->has_temp3) {
+		err = sysfs_create_group(&client->dev.kobj, &temp3_group);
+		if (err)
 			goto exit_remove_sysfs_thmc50;
+	}
 
 	/* Register a new directory entry with module sensors */
 	data->hwmon_dev = hwmon_device_register(&client->dev);
@@ -465,18 +482,7 @@ static struct thmc50_data *thmc50_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sm_thmc50_init(void)
-{
-	return i2c_add_driver(&thmc50_driver);
-}
-
-static void __exit sm_thmc50_exit(void)
-{
-	i2c_del_driver(&thmc50_driver);
-}
+module_i2c_driver(thmc50_driver);
 
 MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>");
 MODULE_DESCRIPTION("THMC50 driver");
-
-module_init(sm_thmc50_init);
-module_exit(sm_thmc50_exit);
diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
index c08eee21d76e..0d466b9d8908 100644
--- a/drivers/hwmon/tmp102.c
+++ b/drivers/hwmon/tmp102.c
@@ -292,17 +292,7 @@ static struct i2c_driver tmp102_driver = {
 	.id_table	= tmp102_id,
 };
 
-static int __init tmp102_init(void)
-{
-	return i2c_add_driver(&tmp102_driver);
-}
-module_init(tmp102_init);
-
-static void __exit tmp102_exit(void)
-{
-	i2c_del_driver(&tmp102_driver);
-}
-module_exit(tmp102_exit);
+module_i2c_driver(tmp102_driver);
 
 MODULE_AUTHOR("Steven King <sfking@fdwdc.com>");
 MODULE_DESCRIPTION("Texas Instruments TMP102 temperature sensor driver");
diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
index 951442adc067..ea54c3384671 100644
--- a/drivers/hwmon/tmp401.c
+++ b/drivers/hwmon/tmp401.c
@@ -662,19 +662,8 @@ static struct i2c_driver tmp401_driver = {
 	.address_list	= normal_i2c,
 };
 
-static int __init tmp401_init(void)
-{
-	return i2c_add_driver(&tmp401_driver);
-}
-
-static void __exit tmp401_exit(void)
-{
-	i2c_del_driver(&tmp401_driver);
-}
+module_i2c_driver(tmp401_driver);
 
 MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
 MODULE_DESCRIPTION("Texas Instruments TMP401 temperature sensor driver");
 MODULE_LICENSE("GPL");
-
-module_init(tmp401_init);
-module_exit(tmp401_exit);
diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c
index c48381f2cd02..8fac87a38544 100644
--- a/drivers/hwmon/tmp421.c
+++ b/drivers/hwmon/tmp421.c
@@ -324,20 +324,9 @@ static struct i2c_driver tmp421_driver = {
 	.address_list = normal_i2c,
 };
 
-static int __init tmp421_init(void)
-{
-	return i2c_add_driver(&tmp421_driver);
-}
-
-static void __exit tmp421_exit(void)
-{
-	i2c_del_driver(&tmp421_driver);
-}
+module_i2c_driver(tmp421_driver);
 
 MODULE_AUTHOR("Andre Prendel <andre.prendel@gmx.de>");
 MODULE_DESCRIPTION("Texas Instruments TMP421/422/423 temperature sensor"
 		   " driver");
 MODULE_LICENSE("GPL");
-
-module_init(tmp421_init);
-module_exit(tmp421_exit);
diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c
index b9a87e89bab4..c315c59f61fe 100644
--- a/drivers/hwmon/ultra45_env.c
+++ b/drivers/hwmon/ultra45_env.c
@@ -1,4 +1,5 @@
-/* ultra45_env.c: Driver for Ultra45 PIC16F747 environmental monitor.
+/*
+ * ultra45_env.c: Driver for Ultra45 PIC16F747 environmental monitor.
  *
  * Copyright (C) 2008 David S. Miller <davem@davemloft.net>
  */
@@ -82,7 +83,8 @@ static void env_write(struct env *p, u8 ireg, u8 val)
 	spin_unlock(&p->lock);
 }
 
-/* There seems to be a adr7462 providing these values, thus a lot
+/*
+ * There seems to be a adr7462 providing these values, thus a lot
  * of these calculations are borrowed from the adt7470 driver.
  */
 #define FAN_PERIOD_TO_RPM(x)	((90000 * 60) / (x))
@@ -90,7 +92,8 @@ static void env_write(struct env *p, u8 ireg, u8 val)
 #define FAN_PERIOD_INVALID	(0xff << 8)
 #define FAN_DATA_VALID(x)	((x) && (x) != FAN_PERIOD_INVALID)
 
-static ssize_t show_fan_speed(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_fan_speed(struct device *dev, struct device_attribute *attr,
+			      char *buf)
 {
 	int fan_nr = to_sensor_dev_attr(attr)->index;
 	struct env *p = dev_get_drvdata(dev);
@@ -111,10 +114,15 @@ static ssize_t set_fan_speed(struct device *dev, struct device_attribute *attr,
 			     const char *buf, size_t count)
 {
 	int fan_nr = to_sensor_dev_attr(attr)->index;
-	int rpm = simple_strtol(buf, NULL, 10);
+	unsigned long rpm;
 	struct env *p = dev_get_drvdata(dev);
 	int period;
 	u8 val;
+	int err;
+
+	err = kstrtoul(buf, 10, &rpm);
+	if (err)
+		return err;
 
 	if (!rpm)
 		return -EINVAL;
@@ -126,7 +134,8 @@ static ssize_t set_fan_speed(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-static ssize_t show_fan_fault(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_fan_fault(struct device *dev, struct device_attribute *attr,
+			      char *buf)
 {
 	int fan_nr = to_sensor_dev_attr(attr)->index;
 	struct env *p = dev_get_drvdata(dev);
@@ -148,7 +157,8 @@ fan(4);
 
 static SENSOR_DEVICE_ATTR(psu_fan_fault, S_IRUGO, show_fan_fault, NULL, 6);
 
-static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
+			 char *buf)
 {
 	int temp_nr = to_sensor_dev_attr(attr)->index;
 	struct env *p = dev_get_drvdata(dev);
@@ -168,7 +178,8 @@ static SENSOR_DEVICE_ATTR(lsi1064_local_temp, S_IRUGO, show_temp, NULL, 6);
 static SENSOR_DEVICE_ATTR(front_panel_temp, S_IRUGO, show_temp, NULL, 7);
 static SENSOR_DEVICE_ATTR(psu_temp, S_IRUGO, show_temp, NULL, 13);
 
-static ssize_t show_stat_bit(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_stat_bit(struct device *dev, struct device_attribute *attr,
+			     char *buf)
 {
 	int index = to_sensor_dev_attr(attr)->index;
 	struct env *p = dev_get_drvdata(dev);
@@ -181,9 +192,11 @@ static ssize_t show_stat_bit(struct device *dev, struct device_attribute *attr,
 static SENSOR_DEVICE_ATTR(fan_failure, S_IRUGO, show_stat_bit, NULL, 0);
 static SENSOR_DEVICE_ATTR(env_bus_busy, S_IRUGO, show_stat_bit, NULL, 1);
 static SENSOR_DEVICE_ATTR(env_data_stale, S_IRUGO, show_stat_bit, NULL, 2);
-static SENSOR_DEVICE_ATTR(tpm_self_test_passed, S_IRUGO, show_stat_bit, NULL, 3);
+static SENSOR_DEVICE_ATTR(tpm_self_test_passed, S_IRUGO, show_stat_bit, NULL,
+			  3);
 
-static ssize_t show_fwver(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_fwver(struct device *dev, struct device_attribute *attr,
+			  char *buf)
 {
 	struct env *p = dev_get_drvdata(dev);
 	u8 val;
@@ -194,7 +207,8 @@ static ssize_t show_fwver(struct device *dev, struct device_attribute *attr, cha
 
 static SENSOR_DEVICE_ATTR(firmware_version, S_IRUGO, show_fwver, NULL, 0);
 
-static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_name(struct device *dev, struct device_attribute *attr,
+			 char *buf)
 {
 	return sprintf(buf, "ultra45\n");
 }
diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c
index 25e91665a0a2..288135d85e11 100644
--- a/drivers/hwmon/via686a.c
+++ b/drivers/hwmon/via686a.c
@@ -1,34 +1,35 @@
 /*
-    via686a.c - Part of lm_sensors, Linux kernel modules
-		for hardware monitoring
-
-    Copyright (c) 1998 - 2002  Frodo Looijaard <frodol@dds.nl>,
-			Kyösti Mälkki <kmalkki@cc.hut.fi>,
-			Mark Studebaker <mdsxyz123@yahoo.com>,
-			and Bob Dougherty <bobd@stanford.edu>
-    (Some conversion-factor data were contributed by Jonathan Teh Soon Yew
-    <j.teh@iname.com> and Alex van Kaam <darkside@chello.nl>.)
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * via686a.c - Part of lm_sensors, Linux kernel modules
+ *	       for hardware monitoring
+ *
+ * Copyright (c) 1998 - 2002  Frodo Looijaard <frodol@dds.nl>,
+ *			      Kyösti Mälkki <kmalkki@cc.hut.fi>,
+ *			      Mark Studebaker <mdsxyz123@yahoo.com>,
+ *			      and Bob Dougherty <bobd@stanford.edu>
+ *
+ * (Some conversion-factor data were contributed by Jonathan Teh Soon Yew
+ * <j.teh@iname.com> and Alex van Kaam <darkside@chello.nl>.)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 /*
-    Supports the Via VT82C686A, VT82C686B south bridges.
-    Reports all as a 686A.
-    Warning - only supports a single device.
-*/
+ * Supports the Via VT82C686A, VT82C686B south bridges.
+ * Reports all as a 686A.
+ * Warning - only supports a single device.
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -47,8 +48,10 @@
 #include <linux/io.h>
 
 
-/* If force_addr is set to anything different from 0, we forcibly enable
-   the device at the given address. */
+/*
+ * If force_addr is set to anything different from 0, we forcibly enable
+ * the device at the given address.
+ */
 static unsigned short force_addr;
 module_param(force_addr, ushort, 0);
 MODULE_PARM_DESC(force_addr,
@@ -57,9 +60,9 @@ MODULE_PARM_DESC(force_addr,
 static struct platform_device *pdev;
 
 /*
-   The Via 686a southbridge has a LM78-like chip integrated on the same IC.
-   This driver is a customized copy of lm78.c
-*/
+ * The Via 686a southbridge has a LM78-like chip integrated on the same IC.
+ * This driver is a customized copy of lm78.c
+ */
 
 /* Many VIA686A constants specified below */
 
@@ -91,40 +94,46 @@ static const u8 VIA686A_REG_TEMP_HYST[]	= { 0x3a, 0x3e, 0x1e };
 #define VIA686A_REG_ALARM2	0x42
 #define VIA686A_REG_FANDIV	0x47
 #define VIA686A_REG_CONFIG	0x40
-/* The following register sets temp interrupt mode (bits 1-0 for temp1,
- 3-2 for temp2, 5-4 for temp3).  Modes are:
-    00 interrupt stays as long as value is out-of-range
-    01 interrupt is cleared once register is read (default)
-    10 comparator mode- like 00, but ignores hysteresis
-    11 same as 00 */
+/*
+ * The following register sets temp interrupt mode (bits 1-0 for temp1,
+ * 3-2 for temp2, 5-4 for temp3).  Modes are:
+ * 00 interrupt stays as long as value is out-of-range
+ * 01 interrupt is cleared once register is read (default)
+ * 10 comparator mode- like 00, but ignores hysteresis
+ * 11 same as 00
+ */
 #define VIA686A_REG_TEMP_MODE		0x4b
 /* We'll just assume that you want to set all 3 simultaneously: */
 #define VIA686A_TEMP_MODE_MASK		0x3F
 #define VIA686A_TEMP_MODE_CONTINUOUS	0x00
 
-/* Conversions. Limit checking is only done on the TO_REG
-   variants.
-
-********* VOLTAGE CONVERSIONS (Bob Dougherty) ********
- From HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew):
- voltagefactor[0]=1.25/2628; (2628/1.25=2102.4)   // Vccp
- voltagefactor[1]=1.25/2628; (2628/1.25=2102.4)   // +2.5V
- voltagefactor[2]=1.67/2628; (2628/1.67=1573.7)   // +3.3V
- voltagefactor[3]=2.6/2628;  (2628/2.60=1010.8)   // +5V
- voltagefactor[4]=6.3/2628;  (2628/6.30=417.14)   // +12V
- in[i]=(data[i+2]*25.0+133)*voltagefactor[i];
- That is:
- volts = (25*regVal+133)*factor
- regVal = (volts/factor-133)/25
- (These conversions were contributed by Jonathan Teh Soon Yew
- <j.teh@iname.com>) */
+/*
+ * Conversions. Limit checking is only done on the TO_REG
+ * variants.
+ *
+ ******** VOLTAGE CONVERSIONS (Bob Dougherty) ********
+ * From HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew):
+ * voltagefactor[0]=1.25/2628; (2628/1.25=2102.4)   // Vccp
+ * voltagefactor[1]=1.25/2628; (2628/1.25=2102.4)   // +2.5V
+ * voltagefactor[2]=1.67/2628; (2628/1.67=1573.7)   // +3.3V
+ * voltagefactor[3]=2.6/2628;  (2628/2.60=1010.8)   // +5V
+ * voltagefactor[4]=6.3/2628;  (2628/6.30=417.14)   // +12V
+ * in[i]=(data[i+2]*25.0+133)*voltagefactor[i];
+ * That is:
+ * volts = (25*regVal+133)*factor
+ * regVal = (volts/factor-133)/25
+ * (These conversions were contributed by Jonathan Teh Soon Yew
+ * <j.teh@iname.com>)
+ */
 static inline u8 IN_TO_REG(long val, int inNum)
 {
-	/* To avoid floating point, we multiply constants by 10 (100 for +12V).
-	   Rounding is done (120500 is actually 133000 - 12500).
-	   Remember that val is expressed in 0.001V/bit, which is why we divide
-	   by an additional 10000 (100000 for +12V): 1000 for val and 10 (100)
-	   for the constants. */
+	/*
+	 * To avoid floating point, we multiply constants by 10 (100 for +12V).
+	 * Rounding is done (120500 is actually 133000 - 12500).
+	 * Remember that val is expressed in 0.001V/bit, which is why we divide
+	 * by an additional 10000 (100000 for +12V): 1000 for val and 10 (100)
+	 * for the constants.
+	 */
 	if (inNum <= 1)
 		return (u8)
 		    SENSORS_LIMIT((val * 21024 - 1205000) / 250000, 0, 255);
@@ -141,9 +150,11 @@ static inline u8 IN_TO_REG(long val, int inNum)
 
 static inline long IN_FROM_REG(u8 val, int inNum)
 {
-	/* To avoid floating point, we multiply constants by 10 (100 for +12V).
-	   We also multiply them by 1000 because we want 0.001V/bit for the
-	   output value. Rounding is done. */
+	/*
+	 * To avoid floating point, we multiply constants by 10 (100 for +12V).
+	 * We also multiply them by 1000 because we want 0.001V/bit for the
+	 * output value. Rounding is done.
+	 */
 	if (inNum <= 1)
 		return (long) ((250000 * val + 1330000 + 21024 / 2) / 21024);
 	else if (inNum == 2)
@@ -155,9 +166,11 @@ static inline long IN_FROM_REG(u8 val, int inNum)
 }
 
 /********* FAN RPM CONVERSIONS ********/
-/* Higher register values = slower fans (the fan's strobe gates a counter).
- But this chip saturates back at 0, not at 255 like all the other chips.
- So, 0 means 0 RPM */
+/*
+ * Higher register values = slower fans (the fan's strobe gates a counter).
+ * But this chip saturates back at 0, not at 255 like all the other chips.
+ * So, 0 means 0 RPM
+ */
 static inline u8 FAN_TO_REG(long rpm, int div)
 {
 	if (rpm == 0)
@@ -166,42 +179,45 @@ static inline u8 FAN_TO_REG(long rpm, int div)
 	return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 255);
 }
 
-#define FAN_FROM_REG(val,div) ((val)==0?0:(val)==255?0:1350000/((val)*(div)))
+#define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : (val) == 255 ? 0 : 1350000 / \
+				((val) * (div)))
 
 /******** TEMP CONVERSIONS (Bob Dougherty) *********/
-/* linear fits from HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew)
-      if(temp<169)
-	      return double(temp)*0.427-32.08;
-      else if(temp>=169 && temp<=202)
-	      return double(temp)*0.582-58.16;
-      else
-	      return double(temp)*0.924-127.33;
-
- A fifth-order polynomial fits the unofficial data (provided by Alex van
- Kaam <darkside@chello.nl>) a bit better.  It also give more reasonable
- numbers on my machine (ie. they agree with what my BIOS tells me).
- Here's the fifth-order fit to the 8-bit data:
- temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 -
-	2.967619e-03*val^2 + 2.175144e-01*val - 7.090067e+0.
-
- (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for
- finding my typos in this formula!)
-
- Alas, none of the elegant function-fit solutions will work because we
- aren't allowed to use floating point in the kernel and doing it with
- integers doesn't provide enough precision.  So we'll do boring old
- look-up table stuff.  The unofficial data (see below) have effectively
- 7-bit resolution (they are rounded to the nearest degree).  I'm assuming
- that the transfer function of the device is monotonic and smooth, so a
- smooth function fit to the data will allow us to get better precision.
- I used the 5th-order poly fit described above and solved for
- VIA register values 0-255.  I *10 before rounding, so we get tenth-degree
- precision.  (I could have done all 1024 values for our 10-bit readings,
- but the function is very linear in the useful range (0-80 deg C), so
- we'll just use linear interpolation for 10-bit readings.)  So, tempLUT
- is the temp at via register values 0-255: */
-static const s16 tempLUT[] =
-{ -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519,
+/*
+ * linear fits from HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew)
+ *	if(temp<169)
+ *		return double(temp)*0.427-32.08;
+ *	else if(temp>=169 && temp<=202)
+ *		return double(temp)*0.582-58.16;
+ *	else
+ *		return double(temp)*0.924-127.33;
+ *
+ * A fifth-order polynomial fits the unofficial data (provided by Alex van
+ * Kaam <darkside@chello.nl>) a bit better.  It also give more reasonable
+ * numbers on my machine (ie. they agree with what my BIOS tells me).
+ * Here's the fifth-order fit to the 8-bit data:
+ * temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 -
+ *	2.967619e-03*val^2 + 2.175144e-01*val - 7.090067e+0.
+ *
+ * (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for
+ * finding my typos in this formula!)
+ *
+ * Alas, none of the elegant function-fit solutions will work because we
+ * aren't allowed to use floating point in the kernel and doing it with
+ * integers doesn't provide enough precision.  So we'll do boring old
+ * look-up table stuff.  The unofficial data (see below) have effectively
+ * 7-bit resolution (they are rounded to the nearest degree).  I'm assuming
+ * that the transfer function of the device is monotonic and smooth, so a
+ * smooth function fit to the data will allow us to get better precision.
+ * I used the 5th-order poly fit described above and solved for
+ * VIA register values 0-255.  I *10 before rounding, so we get tenth-degree
+ * precision.  (I could have done all 1024 values for our 10-bit readings,
+ * but the function is very linear in the useful range (0-80 deg C), so
+ * we'll just use linear interpolation for 10-bit readings.)  So, tempLUT
+ * is the temp at via register values 0-255:
+ */
+static const s16 tempLUT[] = {
+	-709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519,
 	-503, -487, -471, -456, -442, -428, -414, -400, -387, -375,
 	-362, -350, -339, -327, -316, -305, -295, -285, -275, -265,
 	-255, -246, -237, -229, -220, -212, -204, -196, -188, -180,
@@ -225,29 +241,31 @@ static const s16 tempLUT[] =
 	1276, 1301, 1326, 1352, 1378, 1406, 1434, 1462
 };
 
-/* the original LUT values from Alex van Kaam <darkside@chello.nl>
-   (for via register values 12-240):
-{-50,-49,-47,-45,-43,-41,-39,-38,-37,-35,-34,-33,-32,-31,
--30,-29,-28,-27,-26,-25,-24,-24,-23,-22,-21,-20,-20,-19,-18,-17,-17,-16,-15,
--15,-14,-14,-13,-12,-12,-11,-11,-10,-9,-9,-8,-8,-7,-7,-6,-6,-5,-5,-4,-4,-3,
--3,-2,-2,-1,-1,0,0,1,1,1,3,3,3,4,4,4,5,5,5,6,6,7,7,8,8,9,9,9,10,10,11,11,12,
-12,12,13,13,13,14,14,15,15,16,16,16,17,17,18,18,19,19,20,20,21,21,21,22,22,
-22,23,23,24,24,25,25,26,26,26,27,27,27,28,28,29,29,30,30,30,31,31,32,32,33,
-33,34,34,35,35,35,36,36,37,37,38,38,39,39,40,40,41,41,42,42,43,43,44,44,45,
-45,46,46,47,48,48,49,49,50,51,51,52,52,53,53,54,55,55,56,57,57,58,59,59,60,
-61,62,62,63,64,65,66,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,83,84,
-85,86,88,89,91,92,94,96,97,99,101,103,105,107,109,110};
-
-
- Here's the reverse LUT.  I got it by doing a 6-th order poly fit (needed
- an extra term for a good fit to these inverse data!) and then
- solving for each temp value from -50 to 110 (the useable range for
- this chip).  Here's the fit:
- viaRegVal = -1.160370e-10*val^6 +3.193693e-08*val^5 - 1.464447e-06*val^4
- - 2.525453e-04*val^3 + 1.424593e-02*val^2 + 2.148941e+00*val +7.275808e+01)
- Note that n=161: */
-static const u8 viaLUT[] =
-{ 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23,
+/*
+ * the original LUT values from Alex van Kaam <darkside@chello.nl>
+ * (for via register values 12-240):
+ * {-50,-49,-47,-45,-43,-41,-39,-38,-37,-35,-34,-33,-32,-31,
+ * -30,-29,-28,-27,-26,-25,-24,-24,-23,-22,-21,-20,-20,-19,-18,-17,-17,-16,-15,
+ * -15,-14,-14,-13,-12,-12,-11,-11,-10,-9,-9,-8,-8,-7,-7,-6,-6,-5,-5,-4,-4,-3,
+ * -3,-2,-2,-1,-1,0,0,1,1,1,3,3,3,4,4,4,5,5,5,6,6,7,7,8,8,9,9,9,10,10,11,11,12,
+ * 12,12,13,13,13,14,14,15,15,16,16,16,17,17,18,18,19,19,20,20,21,21,21,22,22,
+ * 22,23,23,24,24,25,25,26,26,26,27,27,27,28,28,29,29,30,30,30,31,31,32,32,33,
+ * 33,34,34,35,35,35,36,36,37,37,38,38,39,39,40,40,41,41,42,42,43,43,44,44,45,
+ * 45,46,46,47,48,48,49,49,50,51,51,52,52,53,53,54,55,55,56,57,57,58,59,59,60,
+ * 61,62,62,63,64,65,66,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,83,84,
+ * 85,86,88,89,91,92,94,96,97,99,101,103,105,107,109,110};
+ *
+ *
+ * Here's the reverse LUT.  I got it by doing a 6-th order poly fit (needed
+ * an extra term for a good fit to these inverse data!) and then
+ * solving for each temp value from -50 to 110 (the useable range for
+ * this chip).  Here's the fit:
+ * viaRegVal = -1.160370e-10*val^6 +3.193693e-08*val^5 - 1.464447e-06*val^4
+ * - 2.525453e-04*val^3 + 1.424593e-02*val^2 + 2.148941e+00*val +7.275808e+01)
+ * Note that n=161:
+ */
+static const u8 viaLUT[] = {
+	12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23,
 	23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 40,
 	41, 43, 45, 46, 48, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66,
 	69, 71, 73, 75, 77, 79, 82, 84, 86, 88, 91, 93, 95, 98, 100,
@@ -262,9 +280,11 @@ static const u8 viaLUT[] =
 	239, 240
 };
 
-/* Converting temps to (8-bit) hyst and over registers
-   No interpolation here.
-   The +50 is because the temps start at -50 */
+/*
+ * Converting temps to (8-bit) hyst and over registers
+ * No interpolation here.
+ * The +50 is because the temps start at -50
+ */
 static inline u8 TEMP_TO_REG(long val)
 {
 	return viaLUT[val <= -50000 ? 0 : val >= 110000 ? 160 :
@@ -290,10 +310,12 @@ static inline long TEMP_FROM_REG10(u16 val)
 }
 
 #define DIV_FROM_REG(val) (1 << (val))
-#define DIV_TO_REG(val) ((val)==8?3:(val)==4?2:(val)==1?0:1)
+#define DIV_TO_REG(val) ((val) == 8 ? 3 : (val) == 4 ? 2 : (val) == 1 ? 0 : 1)
 
-/* For each registered chip, we need to keep some data in memory.
-   The structure is dynamically allocated. */
+/*
+ * For each registered chip, we need to keep some data in memory.
+ * The structure is dynamically allocated.
+ */
 struct via686a_data {
 	unsigned short addr;
 	const char *name;
@@ -365,7 +387,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *da,
 	struct via686a_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[nr] = IN_TO_REG(val, nr);
@@ -379,7 +406,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
 	struct via686a_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[nr] = IN_TO_REG(val, nr);
@@ -429,7 +461,12 @@ static ssize_t set_temp_over(struct device *dev, struct device_attribute *da,
 	struct via686a_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_over[nr] = TEMP_TO_REG(val);
@@ -443,7 +480,12 @@ static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *da,
 	struct via686a_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_hyst[nr] = TEMP_TO_REG(val);
@@ -471,7 +513,7 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *da,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
 	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
-				DIV_FROM_REG(data->fan_div[nr])) );
+				DIV_FROM_REG(data->fan_div[nr])));
 }
 static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
 		char *buf) {
@@ -479,21 +521,27 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
 	return sprintf(buf, "%d\n",
-		FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])) );
+		FAN_FROM_REG(data->fan_min[nr],
+			     DIV_FROM_REG(data->fan_div[nr])));
 }
 static ssize_t show_fan_div(struct device *dev, struct device_attribute *da,
 		char *buf) {
 	struct via686a_data *data = via686a_update_device(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
+	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
 }
 static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
 		const char *buf, size_t count) {
 	struct via686a_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	int val = simple_strtol(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -506,8 +554,13 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
 	struct via686a_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	int nr = attr->index;
-	int val = simple_strtol(buf, NULL, 10);
 	int old;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	old = via686a_read_value(data, VIA686A_REG_FANDIV);
@@ -530,10 +583,13 @@ show_fan_offset(1);
 show_fan_offset(2);
 
 /* Alarms */
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) {
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+			   char *buf)
+{
 	struct via686a_data *data = via686a_update_device(dev);
 	return sprintf(buf, "%u\n", data->alarms);
 }
+
 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
 
 static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
@@ -641,7 +697,8 @@ static int __devinit via686a_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	if (!(data = kzalloc(sizeof(struct via686a_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct via686a_data), GFP_KERNEL);
+	if (!data) {
 		err = -ENOMEM;
 		goto exit_release;
 	}
@@ -655,7 +712,8 @@ static int __devinit via686a_probe(struct platform_device *pdev)
 	via686a_init_device(data);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&pdev->dev.kobj, &via686a_group)))
+	err = sysfs_create_group(&pdev->dev.kobj, &via686a_group);
+	if (err)
 		goto exit_free;
 
 	data->hwmon_dev = hwmon_device_register(&pdev->dev);
@@ -748,10 +806,11 @@ static struct via686a_data *via686a_update_device(struct device *dev)
 			    via686a_read_value(data,
 					       VIA686A_REG_TEMP_HYST[i]);
 		}
-		/* add in lower 2 bits
-		   temp1 uses bits 7-6 of VIA686A_REG_TEMP_LOW1
-		   temp2 uses bits 5-4 of VIA686A_REG_TEMP_LOW23
-		   temp3 uses bits 7-6 of VIA686A_REG_TEMP_LOW23
+		/*
+		 * add in lower 2 bits
+		 * temp1 uses bits 7-6 of VIA686A_REG_TEMP_LOW1
+		 * temp2 uses bits 5-4 of VIA686A_REG_TEMP_LOW23
+		 * temp3 uses bits 7-6 of VIA686A_REG_TEMP_LOW23
 		 */
 		data->temp[0] |= (via686a_read_value(data,
 						     VIA686A_REG_TEMP_LOW1)
@@ -777,11 +836,10 @@ static struct via686a_data *via686a_update_device(struct device *dev)
 	return data;
 }
 
-static const struct pci_device_id via686a_pci_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(via686a_pci_ids) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) },
-	{ 0, }
+	{ }
 };
-
 MODULE_DEVICE_TABLE(pci, via686a_pci_ids);
 
 static int __devinit via686a_device_add(unsigned short address)
@@ -872,7 +930,8 @@ static int __devinit via686a_pci_probe(struct pci_dev *dev,
 	if (via686a_device_add(address))
 		goto exit_unregister;
 
-	/* Always return failure here.  This is to allow other drivers to bind
+	/*
+	 * Always return failure here.  This is to allow other drivers to bind
 	 * to this pci device.  We don't really want to have control over the
 	 * pci device, we only wanted to read as few register values from it.
 	 */
diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c
index 49163d48e966..c2c5c72fb8f0 100644
--- a/drivers/hwmon/vt1211.c
+++ b/drivers/hwmon/vt1211.c
@@ -151,8 +151,10 @@ struct vt1211_data {
 #define ISTEMP(ix, uch_config)	((ix) < 2 ? 1 : \
 				 ((uch_config) >> (ix)) & 1)
 
-/* in5 (ix = 5) is special. It's the internal 3.3V so it's scaled in the
-   driver according to the VT1211 BIOS porting guide */
+/*
+ * in5 (ix = 5) is special. It's the internal 3.3V so it's scaled in the
+ * driver according to the VT1211 BIOS porting guide
+ */
 #define IN_FROM_REG(ix, reg)	((reg) < 3 ? 0 : (ix) == 5 ? \
 				 (((reg) - 3) * 15882 + 479) / 958 : \
 				 (((reg) - 3) * 10000 + 479) / 958)
@@ -160,11 +162,13 @@ struct vt1211_data {
 				 ((val) * 958 + 7941) / 15882 + 3 : \
 				 ((val) * 958 + 5000) / 10000 + 3, 0, 255))
 
-/* temp1 (ix = 0) is an intel thermal diode which is scaled in user space.
-   temp2 (ix = 1) is the internal temp diode so it's scaled in the driver
-   according to some measurements that I took on an EPIA M10000.
-   temp3-7 are thermistor based so the driver returns the voltage measured at
-   the pin (range 0V - 2.2V). */
+/*
+ * temp1 (ix = 0) is an intel thermal diode which is scaled in user space.
+ * temp2 (ix = 1) is the internal temp diode so it's scaled in the driver
+ * according to some measurements that I took on an EPIA M10000.
+ * temp3-7 are thermistor based so the driver returns the voltage measured at
+ * the pin (range 0V - 2.2V).
+ */
 #define TEMP_FROM_REG(ix, reg)	((ix) == 0 ? (reg) * 1000 : \
 				 (ix) == 1 ? (reg) < 51 ? 0 : \
 				 ((reg) - 51) * 1000 : \
@@ -186,8 +190,10 @@ struct vt1211_data {
  * Super-I/O constants and functions
  * --------------------------------------------------------------------- */
 
-/* Configuration index port registers
- * The vt1211 can live at 2 different addresses so we need to probe both */
+/*
+ * Configuration index port registers
+ * The vt1211 can live at 2 different addresses so we need to probe both
+ */
 #define SIO_REG_CIP1		0x2e
 #define SIO_REG_CIP2		0x4e
 
@@ -377,7 +383,12 @@ static ssize_t set_in(struct device *dev, struct device_attribute *attr,
 						to_sensor_dev_attr_2(attr);
 	int ix = sensor_attr_2->index;
 	int fn = sensor_attr_2->nr;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	switch (fn) {
@@ -446,7 +457,12 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
 						to_sensor_dev_attr_2(attr);
 	int ix = sensor_attr_2->index;
 	int fn = sensor_attr_2->nr;
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	switch (fn) {
@@ -517,8 +533,13 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
 						to_sensor_dev_attr_2(attr);
 	int ix = sensor_attr_2->index;
 	int fn = sensor_attr_2->nr;
-	long val = simple_strtol(buf, NULL, 10);
 	int reg;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -536,16 +557,23 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
 		break;
 	case SHOW_SET_FAN_DIV:
 		switch (val) {
-			case 1: data->fan_div[ix] = 0; break;
-			case 2: data->fan_div[ix] = 1; break;
-			case 4: data->fan_div[ix] = 2; break;
-			case 8: data->fan_div[ix] = 3; break;
-			default:
-				count = -EINVAL;
-				dev_warn(dev, "fan div value %ld not "
-					 "supported. Choose one of 1, 2, "
-					 "4, or 8.\n", val);
-				goto EXIT;
+		case 1:
+			data->fan_div[ix] = 0;
+			break;
+		case 2:
+			data->fan_div[ix] = 1;
+			break;
+		case 4:
+			data->fan_div[ix] = 2;
+			break;
+		case 8:
+			data->fan_div[ix] = 3;
+			break;
+		default:
+			count = -EINVAL;
+			dev_warn(dev, "fan div value %ld not supported. "
+				 "Choose one of 1, 2, 4, or 8.\n", val);
+			goto EXIT;
 		}
 		vt1211_write8(data, VT1211_REG_FAN_DIV,
 			      ((data->fan_div[1] << 6) |
@@ -610,8 +638,13 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 						to_sensor_dev_attr_2(attr);
 	int ix = sensor_attr_2->index;
 	int fn = sensor_attr_2->nr;
-	long val = simple_strtol(buf, NULL, 10);
 	int tmp, reg;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -628,11 +661,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 		switch (val) {
 		case 0:
 			data->pwm_ctl[ix] &= 7;
-			/* disable SmartGuardian if both PWM outputs are
-			 * disabled */
-			if ((data->pwm_ctl[ix ^ 1] & 1) == 0) {
+			/*
+			 * disable SmartGuardian if both PWM outputs are
+			 * disabled
+			 */
+			if ((data->pwm_ctl[ix ^ 1] & 1) == 0)
 				data->fan_ctl &= 0xe;
-			}
 			break;
 		case 2:
 			data->pwm_ctl[ix] |= 8;
@@ -656,16 +690,15 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 		val = 135000 / SENSORS_LIMIT(val, 135000 >> 7, 135000);
 		/* calculate tmp = log2(val) */
 		tmp = 0;
-		for (val >>= 1; val > 0; val >>= 1) {
+		for (val >>= 1; val > 0; val >>= 1)
 			tmp++;
-		}
 		/* sync the data cache */
 		reg = vt1211_read8(data, VT1211_REG_PWM_CLK);
 		data->pwm_clk = (reg & 0xf8) | tmp;
 		vt1211_write8(data, VT1211_REG_PWM_CLK, data->pwm_clk);
 		break;
 	case SHOW_SET_PWM_AUTO_CHANNELS_TEMP:
-		if ((val < 1) || (val > 7)) {
+		if (val < 1 || val > 7) {
 			count = -EINVAL;
 			dev_warn(dev, "temp channel %ld not supported. "
 				 "Choose a value between 1 and 7.\n", val);
@@ -741,8 +774,14 @@ static ssize_t set_pwm_auto_point_temp(struct device *dev,
 						to_sensor_dev_attr_2(attr);
 	int ix = sensor_attr_2->index;
 	int ap = sensor_attr_2->nr;
-	long val = simple_strtol(buf, NULL, 10);
 	int reg;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
+
 
 	mutex_lock(&data->update_lock);
 
@@ -774,7 +813,7 @@ static ssize_t set_pwm_auto_point_temp(struct device *dev,
  * 1  1  : pwm2 low speed duty cycle  (pwm_auto_pwm[1][1])
  * 1  2  : pwm2 high speed duty cycle (pwm_auto_pwm[1][2])
  * 1  3  : pwm2 full speed            (pwm_auto_pwm[1][3], hard-wired to 255)
-*/
+ */
 
 static ssize_t show_pwm_auto_point_pwm(struct device *dev,
 				       struct device_attribute *attr,
@@ -798,16 +837,15 @@ static ssize_t set_pwm_auto_point_pwm(struct device *dev,
 						to_sensor_dev_attr_2(attr);
 	int ix = sensor_attr_2->index;
 	int ap = sensor_attr_2->nr;
-	long val = simple_strtol(buf, NULL, 10);
+	unsigned long val;
+	int err;
 
-	if ((val < 0) || (val > 255)) {
-		dev_err(dev, "pwm value %ld is out of range. "
-			"Choose a value between 0 and 255.\n" , val);
-		return -EINVAL;
-	}
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	data->pwm_auto_pwm[ix][ap] = val;
+	data->pwm_auto_pwm[ix][ap] = SENSORS_LIMIT(val, 0, 255);
 	vt1211_write8(data, VT1211_REG_PWM_AUTO_PWM(ix, ap),
 		      data->pwm_auto_pwm[ix][ap]);
 	mutex_unlock(&data->update_lock);
@@ -831,7 +869,12 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
 		       const char *buf, size_t count)
 {
 	struct vt1211_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	data->vrm = val;
 
@@ -866,112 +909,99 @@ static ssize_t show_alarms(struct device *dev,
  * Device attribute structs
  * --------------------------------------------------------------------- */
 
-#define SENSOR_ATTR_IN_INPUT(ix) \
-	SENSOR_ATTR_2(in##ix##_input, S_IRUGO, \
-		show_in, NULL, SHOW_IN_INPUT, ix)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_in_input[] = {
-	SENSOR_ATTR_IN_INPUT(0),
-	SENSOR_ATTR_IN_INPUT(1),
-	SENSOR_ATTR_IN_INPUT(2),
-	SENSOR_ATTR_IN_INPUT(3),
-	SENSOR_ATTR_IN_INPUT(4),
-	SENSOR_ATTR_IN_INPUT(5),
-};
-
-#define SENSOR_ATTR_IN_MIN(ix) \
+#define SENSOR_ATTR_IN(ix) \
+{	SENSOR_ATTR_2(in##ix##_input, S_IRUGO, \
+		show_in, NULL, SHOW_IN_INPUT, ix), \
 	SENSOR_ATTR_2(in##ix##_min, S_IRUGO | S_IWUSR, \
-		show_in, set_in, SHOW_SET_IN_MIN, ix)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_in_min[] = {
-	SENSOR_ATTR_IN_MIN(0),
-	SENSOR_ATTR_IN_MIN(1),
-	SENSOR_ATTR_IN_MIN(2),
-	SENSOR_ATTR_IN_MIN(3),
-	SENSOR_ATTR_IN_MIN(4),
-	SENSOR_ATTR_IN_MIN(5),
-};
-
-#define SENSOR_ATTR_IN_MAX(ix) \
+		show_in, set_in, SHOW_SET_IN_MIN, ix), \
 	SENSOR_ATTR_2(in##ix##_max, S_IRUGO | S_IWUSR, \
-		show_in, set_in, SHOW_SET_IN_MAX, ix)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_in_max[] = {
-	SENSOR_ATTR_IN_MAX(0),
-	SENSOR_ATTR_IN_MAX(1),
-	SENSOR_ATTR_IN_MAX(2),
-	SENSOR_ATTR_IN_MAX(3),
-	SENSOR_ATTR_IN_MAX(4),
-	SENSOR_ATTR_IN_MAX(5),
+		show_in, set_in, SHOW_SET_IN_MAX, ix), \
+	SENSOR_ATTR_2(in##ix##_alarm, S_IRUGO, \
+		show_in, NULL, SHOW_IN_ALARM, ix) \
+}
+
+static struct sensor_device_attribute_2 vt1211_sysfs_in[][4] = {
+	SENSOR_ATTR_IN(0),
+	SENSOR_ATTR_IN(1),
+	SENSOR_ATTR_IN(2),
+	SENSOR_ATTR_IN(3),
+	SENSOR_ATTR_IN(4),
+	SENSOR_ATTR_IN(5)
 };
 
-#define SENSOR_ATTR_IN_ALARM(ix) \
-	SENSOR_ATTR_2(in##ix##_alarm, S_IRUGO, \
-		show_in, NULL, SHOW_IN_ALARM, ix)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_in_alarm[] = {
-	SENSOR_ATTR_IN_ALARM(0),
-	SENSOR_ATTR_IN_ALARM(1),
-	SENSOR_ATTR_IN_ALARM(2),
-	SENSOR_ATTR_IN_ALARM(3),
-	SENSOR_ATTR_IN_ALARM(4),
-	SENSOR_ATTR_IN_ALARM(5),
+#define IN_UNIT_ATTRS(X)			\
+{	&vt1211_sysfs_in[X][0].dev_attr.attr,	\
+	&vt1211_sysfs_in[X][1].dev_attr.attr,	\
+	&vt1211_sysfs_in[X][2].dev_attr.attr,	\
+	&vt1211_sysfs_in[X][3].dev_attr.attr,	\
+	NULL					\
+}
+
+static struct attribute *vt1211_in_attr[][5] = {
+	IN_UNIT_ATTRS(0),
+	IN_UNIT_ATTRS(1),
+	IN_UNIT_ATTRS(2),
+	IN_UNIT_ATTRS(3),
+	IN_UNIT_ATTRS(4),
+	IN_UNIT_ATTRS(5)
 };
 
-#define SENSOR_ATTR_TEMP_INPUT(ix) \
-	SENSOR_ATTR_2(temp##ix##_input, S_IRUGO, \
-		show_temp, NULL, SHOW_TEMP_INPUT, ix-1)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_temp_input[] = {
-	SENSOR_ATTR_TEMP_INPUT(1),
-	SENSOR_ATTR_TEMP_INPUT(2),
-	SENSOR_ATTR_TEMP_INPUT(3),
-	SENSOR_ATTR_TEMP_INPUT(4),
-	SENSOR_ATTR_TEMP_INPUT(5),
-	SENSOR_ATTR_TEMP_INPUT(6),
-	SENSOR_ATTR_TEMP_INPUT(7),
+static const struct attribute_group vt1211_in_attr_group[] = {
+	{ .attrs = vt1211_in_attr[0] },
+	{ .attrs = vt1211_in_attr[1] },
+	{ .attrs = vt1211_in_attr[2] },
+	{ .attrs = vt1211_in_attr[3] },
+	{ .attrs = vt1211_in_attr[4] },
+	{ .attrs = vt1211_in_attr[5] }
 };
 
-#define SENSOR_ATTR_TEMP_MAX(ix) \
+#define SENSOR_ATTR_TEMP(ix) \
+{	SENSOR_ATTR_2(temp##ix##_input, S_IRUGO, \
+		show_temp, NULL, SHOW_TEMP_INPUT, ix-1), \
 	SENSOR_ATTR_2(temp##ix##_max, S_IRUGO | S_IWUSR, \
-		show_temp, set_temp, SHOW_SET_TEMP_MAX, ix-1)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_temp_max[] = {
-	SENSOR_ATTR_TEMP_MAX(1),
-	SENSOR_ATTR_TEMP_MAX(2),
-	SENSOR_ATTR_TEMP_MAX(3),
-	SENSOR_ATTR_TEMP_MAX(4),
-	SENSOR_ATTR_TEMP_MAX(5),
-	SENSOR_ATTR_TEMP_MAX(6),
-	SENSOR_ATTR_TEMP_MAX(7),
+		show_temp, set_temp, SHOW_SET_TEMP_MAX, ix-1), \
+	SENSOR_ATTR_2(temp##ix##_max_hyst, S_IRUGO | S_IWUSR, \
+		show_temp, set_temp, SHOW_SET_TEMP_MAX_HYST, ix-1), \
+	SENSOR_ATTR_2(temp##ix##_alarm, S_IRUGO, \
+		show_temp, NULL, SHOW_TEMP_ALARM, ix-1) \
+}
+
+static struct sensor_device_attribute_2 vt1211_sysfs_temp[][4] = {
+	SENSOR_ATTR_TEMP(1),
+	SENSOR_ATTR_TEMP(2),
+	SENSOR_ATTR_TEMP(3),
+	SENSOR_ATTR_TEMP(4),
+	SENSOR_ATTR_TEMP(5),
+	SENSOR_ATTR_TEMP(6),
+	SENSOR_ATTR_TEMP(7),
 };
 
-#define SENSOR_ATTR_TEMP_MAX_HYST(ix) \
-	SENSOR_ATTR_2(temp##ix##_max_hyst, S_IRUGO | S_IWUSR, \
-		show_temp, set_temp, SHOW_SET_TEMP_MAX_HYST, ix-1)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_temp_max_hyst[] = {
-	SENSOR_ATTR_TEMP_MAX_HYST(1),
-	SENSOR_ATTR_TEMP_MAX_HYST(2),
-	SENSOR_ATTR_TEMP_MAX_HYST(3),
-	SENSOR_ATTR_TEMP_MAX_HYST(4),
-	SENSOR_ATTR_TEMP_MAX_HYST(5),
-	SENSOR_ATTR_TEMP_MAX_HYST(6),
-	SENSOR_ATTR_TEMP_MAX_HYST(7),
+#define TEMP_UNIT_ATTRS(X)			\
+{	&vt1211_sysfs_temp[X][0].dev_attr.attr,	\
+	&vt1211_sysfs_temp[X][1].dev_attr.attr,	\
+	&vt1211_sysfs_temp[X][2].dev_attr.attr,	\
+	&vt1211_sysfs_temp[X][3].dev_attr.attr,	\
+	NULL					\
+}
+
+static struct attribute *vt1211_temp_attr[][5] = {
+	TEMP_UNIT_ATTRS(0),
+	TEMP_UNIT_ATTRS(1),
+	TEMP_UNIT_ATTRS(2),
+	TEMP_UNIT_ATTRS(3),
+	TEMP_UNIT_ATTRS(4),
+	TEMP_UNIT_ATTRS(5),
+	TEMP_UNIT_ATTRS(6)
 };
 
-#define SENSOR_ATTR_TEMP_ALARM(ix) \
-	SENSOR_ATTR_2(temp##ix##_alarm, S_IRUGO, \
-		show_temp, NULL, SHOW_TEMP_ALARM, ix-1)
-
-static struct sensor_device_attribute_2 vt1211_sysfs_temp_alarm[] = {
-	SENSOR_ATTR_TEMP_ALARM(1),
-	SENSOR_ATTR_TEMP_ALARM(2),
-	SENSOR_ATTR_TEMP_ALARM(3),
-	SENSOR_ATTR_TEMP_ALARM(4),
-	SENSOR_ATTR_TEMP_ALARM(5),
-	SENSOR_ATTR_TEMP_ALARM(6),
-	SENSOR_ATTR_TEMP_ALARM(7),
+static const struct attribute_group vt1211_temp_attr_group[] = {
+	{ .attrs = vt1211_temp_attr[0] },
+	{ .attrs = vt1211_temp_attr[1] },
+	{ .attrs = vt1211_temp_attr[2] },
+	{ .attrs = vt1211_temp_attr[3] },
+	{ .attrs = vt1211_temp_attr[4] },
+	{ .attrs = vt1211_temp_attr[5] },
+	{ .attrs = vt1211_temp_attr[6] }
 };
 
 #define SENSOR_ATTR_FAN(ix) \
@@ -1069,7 +1099,8 @@ static void __devinit vt1211_init_device(struct vt1211_data *data)
 		vt1211_write8(data, VT1211_REG_UCH_CONFIG, data->uch_config);
 	}
 
-	/* Initialize the interrupt mode (if request at module load time).
+	/*
+	 * Initialize the interrupt mode (if request at module load time).
 	 * The VT1211 implements 3 different modes for clearing interrupts:
 	 * 0: Clear INT when status register is read. Regenerate INT as long
 	 *    as temp stays above hysteresis limit.
@@ -1079,7 +1110,8 @@ static void __devinit vt1211_init_device(struct vt1211_data *data)
 	 * 2: Clear INT when temp falls below max limit.
 	 *
 	 * The driver only allows to force mode 0 since that's the only one
-	 * that makes sense for 'sensors' */
+	 * that makes sense for 'sensors'
+	 */
 	if (int_mode == 0) {
 		vt1211_write8(data, VT1211_REG_TEMP1_CONFIG, 0);
 		vt1211_write8(data, VT1211_REG_TEMP2_CONFIG, 0);
@@ -1095,33 +1127,18 @@ static void vt1211_remove_sysfs(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	int i;
 
-	for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_in_input); i++) {
-		device_remove_file(dev,
-			&vt1211_sysfs_in_input[i].dev_attr);
-		device_remove_file(dev,
-			&vt1211_sysfs_in_min[i].dev_attr);
-		device_remove_file(dev,
-			&vt1211_sysfs_in_max[i].dev_attr);
-		device_remove_file(dev,
-			&vt1211_sysfs_in_alarm[i].dev_attr);
-	}
-	for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_temp_input); i++) {
-		device_remove_file(dev,
-			&vt1211_sysfs_temp_input[i].dev_attr);
-		device_remove_file(dev,
-			&vt1211_sysfs_temp_max[i].dev_attr);
-		device_remove_file(dev,
-			&vt1211_sysfs_temp_max_hyst[i].dev_attr);
-		device_remove_file(dev,
-			&vt1211_sysfs_temp_alarm[i].dev_attr);
-	}
+	for (i = 0; i < ARRAY_SIZE(vt1211_in_attr_group); i++)
+		sysfs_remove_group(&dev->kobj, &vt1211_in_attr_group[i]);
+
+	for (i = 0; i < ARRAY_SIZE(vt1211_temp_attr_group); i++)
+		sysfs_remove_group(&dev->kobj, &vt1211_temp_attr_group[i]);
+
 	for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_fan_pwm); i++) {
 		device_remove_file(dev,
 			&vt1211_sysfs_fan_pwm[i].dev_attr);
 	}
-	for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) {
+	for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++)
 		device_remove_file(dev, &vt1211_sysfs_misc[i]);
-	}
 }
 
 static int __devinit vt1211_probe(struct platform_device *pdev)
@@ -1131,7 +1148,8 @@ static int __devinit vt1211_probe(struct platform_device *pdev)
 	struct resource *res;
 	int i, err;
 
-	if (!(data = kzalloc(sizeof(struct vt1211_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct vt1211_data), GFP_KERNEL);
+	if (!data) {
 		err = -ENOMEM;
 		dev_err(dev, "Out of memory\n");
 		goto EXIT;
@@ -1154,47 +1172,33 @@ static int __devinit vt1211_probe(struct platform_device *pdev)
 	vt1211_init_device(data);
 
 	/* Create sysfs interface files */
-	for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_in_input); i++) {
+	for (i = 0; i < ARRAY_SIZE(vt1211_in_attr_group); i++) {
 		if (ISVOLT(i, data->uch_config)) {
-			if ((err = device_create_file(dev,
-				&vt1211_sysfs_in_input[i].dev_attr)) ||
-			    (err = device_create_file(dev,
-				&vt1211_sysfs_in_min[i].dev_attr)) ||
-			    (err = device_create_file(dev,
-				&vt1211_sysfs_in_max[i].dev_attr)) ||
-			    (err = device_create_file(dev,
-				&vt1211_sysfs_in_alarm[i].dev_attr))) {
+			err = sysfs_create_group(&dev->kobj,
+						 &vt1211_in_attr_group[i]);
+			if (err)
 				goto EXIT_DEV_REMOVE;
-			}
 		}
 	}
-	for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_temp_input); i++) {
+	for (i = 0; i < ARRAY_SIZE(vt1211_temp_attr_group); i++) {
 		if (ISTEMP(i, data->uch_config)) {
-			if ((err = device_create_file(dev,
-				&vt1211_sysfs_temp_input[i].dev_attr)) ||
-			    (err = device_create_file(dev,
-				&vt1211_sysfs_temp_max[i].dev_attr)) ||
-			    (err = device_create_file(dev,
-				&vt1211_sysfs_temp_max_hyst[i].dev_attr)) ||
-			    (err = device_create_file(dev,
-				&vt1211_sysfs_temp_alarm[i].dev_attr))) {
+			err = sysfs_create_group(&dev->kobj,
+						 &vt1211_temp_attr_group[i]);
+			if (err)
 				goto EXIT_DEV_REMOVE;
-			}
 		}
 	}
 	for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_fan_pwm); i++) {
 		err = device_create_file(dev,
 			&vt1211_sysfs_fan_pwm[i].dev_attr);
-		if (err) {
+		if (err)
 			goto EXIT_DEV_REMOVE;
-		}
 	}
 	for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) {
 		err = device_create_file(dev,
 		       &vt1211_sysfs_misc[i]);
-		if (err) {
+		if (err)
 			goto EXIT_DEV_REMOVE;
-		}
 	}
 
 	/* Register device */
@@ -1293,9 +1297,8 @@ static int __init vt1211_find(int sio_cip, unsigned short *address)
 	superio_enter(sio_cip);
 
 	devid = force_id ? force_id : superio_inb(sio_cip, SIO_VT1211_DEVID);
-	if (devid != SIO_VT1211_ID) {
+	if (devid != SIO_VT1211_ID)
 		goto EXIT;
-	}
 
 	superio_select(sio_cip, SIO_VT1211_LDN_HWMON);
 
@@ -1325,35 +1328,35 @@ static int __init vt1211_init(void)
 	int err;
 	unsigned short address = 0;
 
-	if ((err = vt1211_find(SIO_REG_CIP1, &address)) &&
-	    (err = vt1211_find(SIO_REG_CIP2, &address))) {
-		goto EXIT;
+	err = vt1211_find(SIO_REG_CIP1, &address);
+	if (err) {
+		err = vt1211_find(SIO_REG_CIP2, &address);
+		if (err)
+			goto EXIT;
 	}
 
 	if ((uch_config < -1) || (uch_config > 31)) {
 		err = -EINVAL;
 		pr_warn("Invalid UCH configuration %d. "
 			"Choose a value between 0 and 31.\n", uch_config);
-	  goto EXIT;
+		goto EXIT;
 	}
 
 	if ((int_mode < -1) || (int_mode > 0)) {
 		err = -EINVAL;
 		pr_warn("Invalid interrupt mode %d. "
 			"Only mode 0 is supported.\n", int_mode);
-	  goto EXIT;
+		goto EXIT;
 	}
 
 	err = platform_driver_register(&vt1211_driver);
-	if (err) {
+	if (err)
 		goto EXIT;
-	}
 
 	/* Sets global pdev as a side effect */
 	err = vt1211_device_add(address);
-	if (err) {
+	if (err)
 		goto EXIT_DRV_UNREGISTER;
-	}
 
 	return 0;
 
diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c
index db3b2e8d2a67..386a84538010 100644
--- a/drivers/hwmon/vt8231.c
+++ b/drivers/hwmon/vt8231.c
@@ -1,28 +1,29 @@
 /*
-	vt8231.c - Part of lm_sensors, Linux kernel modules
-				for hardware monitoring
+ * vt8231.c - Part of lm_sensors, Linux kernel modules
+ *	      for hardware monitoring
+ *
+ * Copyright (c) 2005 Roger Lucas <vt8231@hiddenengine.co.uk>
+ * Copyright (c) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
+ *		      Aaron M. Marsh <amarsh@sdf.lonestar.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
-	Copyright (c) 2005 Roger Lucas <vt8231@hiddenengine.co.uk>
-	Copyright (c) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
-			   Aaron M. Marsh <amarsh@sdf.lonestar.org>
-
-	This program is free software; you can redistribute it and/or modify
-	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation; either version 2 of the License, or
-	(at your option) any later version.
-
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to the Free Software
-	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/* Supports VIA VT8231 South Bridge embedded sensors
-*/
+/*
+ * Supports VIA VT8231 South Bridge embedded sensors
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -50,26 +51,27 @@ static struct platform_device *pdev;
 #define VT8231_BASE_REG 0x70
 #define VT8231_ENABLE_REG 0x74
 
-/* The VT8231 registers
-
-   The reset value for the input channel configuration is used (Reg 0x4A=0x07)
-   which sets the selected inputs marked with '*' below if multiple options are
-   possible:
-
-	            Voltage Mode	  Temperature Mode
-	Sensor	      Linux Id	      Linux Id        VIA Id
-	--------      --------	      --------        ------
-	CPU Diode	N/A		temp1		0
-	UIC1		in0		temp2 *		1
-	UIC2		in1 *		temp3   	2
-	UIC3		in2 *		temp4		3
-	UIC4		in3 *		temp5		4
-	UIC5		in4 *		temp6		5
-	3.3V		in5		N/A
-
-   Note that the BIOS may set the configuration register to a different value
-   to match the motherboard configuration.
-*/
+/*
+ * The VT8231 registers
+ *
+ * The reset value for the input channel configuration is used (Reg 0x4A=0x07)
+ * which sets the selected inputs marked with '*' below if multiple options are
+ * possible:
+ *
+ *		    Voltage Mode	  Temperature Mode
+ *	Sensor	      Linux Id	      Linux Id	      VIA Id
+ *	--------      --------	      --------	      ------
+ *	CPU Diode	N/A		temp1		0
+ *	UIC1		in0		temp2 *		1
+ *	UIC2		in1 *		temp3		2
+ *	UIC3		in2 *		temp4		3
+ *	UIC4		in3 *		temp5		4
+ *	UIC5		in4 *		temp6		5
+ *	3.3V		in5		N/A
+ *
+ * Note that the BIOS may set the configuration register to a different value
+ * to match the motherboard configuration.
+ */
 
 /* fans numbered 0-1 */
 #define VT8231_REG_FAN_MIN(nr)	(0x3b + (nr))
@@ -81,13 +83,14 @@ static const u8 regvolt[]    = { 0x21, 0x22, 0x23, 0x24, 0x25, 0x26 };
 static const u8 regvoltmax[] = { 0x3d, 0x2b, 0x2d, 0x2f, 0x31, 0x33 };
 static const u8 regvoltmin[] = { 0x3e, 0x2c, 0x2e, 0x30, 0x32, 0x34 };
 
-/* Temperatures are numbered 1-6 according to the Linux kernel specification.
-**
-** In the VIA datasheet, however, the temperatures are numbered from zero.
-** Since it is important that this driver can easily be compared to the VIA
-** datasheet, we will use the VIA numbering within this driver and map the
-** kernel sysfs device name to the VIA number in the sysfs callback.
-*/
+/*
+ * Temperatures are numbered 1-6 according to the Linux kernel specification.
+ *
+ * In the VIA datasheet, however, the temperatures are numbered from zero.
+ * Since it is important that this driver can easily be compared to the VIA
+ * datasheet, we will use the VIA numbering within this driver and map the
+ * kernel sysfs device name to the VIA number in the sysfs callback.
+ */
 
 #define VT8231_REG_TEMP_LOW01	0x49
 #define VT8231_REG_TEMP_LOW25	0x4d
@@ -108,9 +111,10 @@ static const u8 regtempmin[] = { 0x3a, 0x3e, 0x2c, 0x2e, 0x30, 0x32 };
 #define VT8231_REG_TEMP1_CONFIG 0x4b
 #define VT8231_REG_TEMP2_CONFIG 0x4c
 
-/* temps 0-5 as numbered in VIA datasheet - see later for mapping to Linux
-** numbering
-*/
+/*
+ * temps 0-5 as numbered in VIA datasheet - see later for mapping to Linux
+ * numbering
+ */
 #define ISTEMP(i, ch_config) ((i) == 0 ? 1 : \
 			      ((ch_config) >> ((i)+1)) & 0x01)
 /* voltages 0-5 */
@@ -119,24 +123,26 @@ static const u8 regtempmin[] = { 0x3a, 0x3e, 0x2c, 0x2e, 0x30, 0x32 };
 
 #define DIV_FROM_REG(val) (1 << (val))
 
-/* NB  The values returned here are NOT temperatures.  The calibration curves
-**     for the thermistor curves are board-specific and must go in the
-**     sensors.conf file.  Temperature sensors are actually ten bits, but the
-**     VIA datasheet only considers the 8 MSBs obtained from the regtemp[]
-**     register.  The temperature value returned should have a magnitude of 3,
-**     so we use the VIA scaling as the "true" scaling and use the remaining 2
-**     LSBs as fractional precision.
-**
-**     All the on-chip hardware temperature comparisons for the alarms are only
-**     8-bits wide, and compare against the 8 MSBs of the temperature.  The bits
-**     in the registers VT8231_REG_TEMP_LOW01 and VT8231_REG_TEMP_LOW25 are
-**     ignored.
-*/
-
-/******** FAN RPM CONVERSIONS ********
-** This chip saturates back at 0, not at 255 like many the other chips.
-** So, 0 means 0 RPM
-*/
+/*
+ * NB  The values returned here are NOT temperatures.  The calibration curves
+ *     for the thermistor curves are board-specific and must go in the
+ *     sensors.conf file.  Temperature sensors are actually ten bits, but the
+ *     VIA datasheet only considers the 8 MSBs obtained from the regtemp[]
+ *     register.  The temperature value returned should have a magnitude of 3,
+ *     so we use the VIA scaling as the "true" scaling and use the remaining 2
+ *     LSBs as fractional precision.
+ *
+ *     All the on-chip hardware temperature comparisons for the alarms are only
+ *     8-bits wide, and compare against the 8 MSBs of the temperature.  The bits
+ *     in the registers VT8231_REG_TEMP_LOW01 and VT8231_REG_TEMP_LOW25 are
+ *     ignored.
+ */
+
+/*
+ ****** FAN RPM CONVERSIONS ********
+ * This chip saturates back at 0, not at 255 like many the other chips.
+ * So, 0 means 0 RPM
+ */
 static inline u8 FAN_TO_REG(long rpm, int div)
 {
 	if (rpm == 0)
@@ -222,7 +228,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 	int nr = sensor_attr->index;
 	struct vt8231_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[nr] = SENSORS_LIMIT(((val * 958) / 10000) + 3, 0, 255);
@@ -237,7 +248,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 	int nr = sensor_attr->index;
 	struct vt8231_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[nr] = SENSORS_LIMIT(((val * 958) / 10000) + 3, 0, 255);
@@ -278,7 +294,12 @@ static ssize_t set_in5_min(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
 	struct vt8231_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[5] = SENSORS_LIMIT(((val * 958 * 34) / (10000 * 54)) + 3,
@@ -292,7 +313,12 @@ static ssize_t set_in5_max(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
 	struct vt8231_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[5] = SENSORS_LIMIT(((val * 958 * 34) / (10000 * 54)) + 3,
@@ -346,7 +372,12 @@ static ssize_t set_temp0_max(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
 	struct vt8231_data *data = dev_get_drvdata(dev);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_max[0] = SENSORS_LIMIT((val + 500) / 1000, 0, 255);
@@ -358,7 +389,12 @@ static ssize_t set_temp0_min(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
 	struct vt8231_data *data = dev_get_drvdata(dev);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_min[0] = SENSORS_LIMIT((val + 500) / 1000, 0, 255);
@@ -400,7 +436,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 	int nr = sensor_attr->index;
 	struct vt8231_data *data = dev_get_drvdata(dev);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_max[nr] = SENSORS_LIMIT(TEMP_MAXMIN_TO_REG(val), 0, 255);
@@ -414,7 +455,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 	int nr = sensor_attr->index;
 	struct vt8231_data *data = dev_get_drvdata(dev);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp_min[nr] = SENSORS_LIMIT(TEMP_MAXMIN_TO_REG(val), 0, 255);
@@ -423,9 +469,10 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-/* Note that these map the Linux temperature sensor numbering (1-6) to the VIA
-** temperature sensor numbering (0-5)
-*/
+/*
+ * Note that these map the Linux temperature sensor numbering (1-6) to the VIA
+ * temperature sensor numbering (0-5)
+ */
 #define define_temperature_sysfs(offset)				\
 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,		\
 		show_temp, NULL, offset - 1);				\
@@ -436,7 +483,8 @@ static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR,	\
 
 static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp0, NULL);
 static DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp0_max, set_temp0_max);
-static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp0_min, set_temp0_min);
+static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp0_min,
+		   set_temp0_min);
 
 define_temperature_sysfs(2);
 define_temperature_sysfs(3);
@@ -480,7 +528,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 	int nr = sensor_attr->index;
 	struct vt8231_data *data = dev_get_drvdata(dev);
-	int val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -494,21 +547,34 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
 {
 	struct vt8231_data *data = dev_get_drvdata(dev);
 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
 	int nr = sensor_attr->index;
 	int old = vt8231_read_value(data, VT8231_REG_FANDIV);
 	long min = FAN_FROM_REG(data->fan_min[nr],
 				 DIV_FROM_REG(data->fan_div[nr]));
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	switch (val) {
-	case 1: data->fan_div[nr] = 0; break;
-	case 2: data->fan_div[nr] = 1; break;
-	case 4: data->fan_div[nr] = 2; break;
-	case 8: data->fan_div[nr] = 3; break;
+	case 1:
+		data->fan_div[nr] = 0;
+		break;
+	case 2:
+		data->fan_div[nr] = 1;
+		break;
+	case 4:
+		data->fan_div[nr] = 2;
+		break;
+	case 8:
+		data->fan_div[nr] = 3;
+		break;
 	default:
 		dev_err(dev, "fan_div value %ld not supported. "
-		        "Choose one of 1, 2, 4 or 8!\n", val);
+			"Choose one of 1, 2, 4 or 8!\n", val);
 		mutex_unlock(&data->update_lock);
 		return -EINVAL;
 	}
@@ -699,7 +765,7 @@ static struct platform_driver vt8231_driver = {
 	.remove	= __devexit_p(vt8231_remove),
 };
 
-static const struct pci_device_id vt8231_pci_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(vt8231_pci_ids) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4) },
 	{ 0, }
 };
@@ -707,7 +773,7 @@ static const struct pci_device_id vt8231_pci_ids[] = {
 MODULE_DEVICE_TABLE(pci, vt8231_pci_ids);
 
 static int __devinit vt8231_pci_probe(struct pci_dev *dev,
-			 	      const struct pci_device_id *id);
+				      const struct pci_device_id *id);
 
 static struct pci_driver vt8231_pci_driver = {
 	.name		= "vt8231",
@@ -730,7 +796,8 @@ static int vt8231_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	if (!(data = kzalloc(sizeof(struct vt8231_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct vt8231_data), GFP_KERNEL);
+	if (!data) {
 		err = -ENOMEM;
 		goto exit_release;
 	}
@@ -743,7 +810,8 @@ static int vt8231_probe(struct platform_device *pdev)
 	vt8231_init_device(data);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&pdev->dev.kobj, &vt8231_group)))
+	err = sysfs_create_group(&pdev->dev.kobj, &vt8231_group);
+	if (err)
 		goto exit_free;
 
 	/* Must update device information to find out the config field */
@@ -751,16 +819,18 @@ static int vt8231_probe(struct platform_device *pdev)
 
 	for (i = 0; i < ARRAY_SIZE(vt8231_group_temps); i++) {
 		if (ISTEMP(i, data->uch_config)) {
-			if ((err = sysfs_create_group(&pdev->dev.kobj,
-					&vt8231_group_temps[i])))
+			err = sysfs_create_group(&pdev->dev.kobj,
+						 &vt8231_group_temps[i]);
+			if (err)
 				goto exit_remove_files;
 		}
 	}
 
 	for (i = 0; i < ARRAY_SIZE(vt8231_group_volts); i++) {
 		if (ISVOLT(i, data->uch_config)) {
-			if ((err = sysfs_create_group(&pdev->dev.kobj,
-					&vt8231_group_volts[i])))
+			err = sysfs_create_group(&pdev->dev.kobj,
+						 &vt8231_group_volts[i]);
+			if (err)
 				goto exit_remove_files;
 		}
 	}
@@ -866,17 +936,15 @@ static struct vt8231_data *vt8231_update_device(struct device *dev)
 			(vt8231_read_value(data, VT8231_REG_ALARM2) << 8);
 
 		/* Set alarm flags correctly */
-		if (!data->fan[0] && data->fan_min[0]) {
+		if (!data->fan[0] && data->fan_min[0])
 			data->alarms |= 0x40;
-		} else if (data->fan[0] && !data->fan_min[0]) {
+		else if (data->fan[0] && !data->fan_min[0])
 			data->alarms &= ~0x40;
-		}
 
-		if (!data->fan[1] && data->fan_min[1]) {
+		if (!data->fan[1] && data->fan_min[1])
 			data->alarms |= 0x80;
-		} else if (data->fan[1] && !data->fan_min[1]) {
+		else if (data->fan[1] && !data->fan_min[1])
 			data->alarms &= ~0x80;
-		}
 
 		data->last_updated = jiffies;
 		data->valid = 1;
@@ -971,13 +1039,16 @@ static int __devinit vt8231_pci_probe(struct pci_dev *dev,
 	if (vt8231_device_add(address))
 		goto exit_unregister;
 
-	/* Always return failure here.  This is to allow other drivers to bind
+	/*
+	 * Always return failure here.  This is to allow other drivers to bind
 	 * to this pci device.  We don't really want to have control over the
 	 * pci device, we only wanted to read as few register values from it.
 	 */
 
-	/* We do, however, mark ourselves as using the PCI device to stop it
-	   getting unloaded. */
+	/*
+	 * We do, however, mark ourselves as using the PCI device to stop it
+	 * getting unloaded.
+	 */
 	s_bridge = pci_dev_get(dev);
 	return -ENODEV;
 
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index a658d62c5e10..a25350cf9554 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -1,50 +1,49 @@
 /*
-    w83627ehf - Driver for the hardware monitoring functionality of
-		the Winbond W83627EHF Super-I/O chip
-    Copyright (C) 2005-2011  Jean Delvare <khali@linux-fr.org>
-    Copyright (C) 2006  Yuan Mu (Winbond),
-			Rudolf Marek <r.marek@assembler.cz>
-			David Hubbard <david.c.hubbard@gmail.com>
-			Daniel J Blueman <daniel.blueman@gmail.com>
-    Copyright (C) 2010  Sheng-Yuan Huang (Nuvoton) (PS00)
-
-    Shamelessly ripped from the w83627hf driver
-    Copyright (C) 2003  Mark Studebaker
-
-    Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help
-    in testing and debugging this driver.
-
-    This driver also supports the W83627EHG, which is the lead-free
-    version of the W83627EHF.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-
-    Supports the following chips:
-
-    Chip        #vin    #fan    #pwm    #temp  chip IDs       man ID
-    w83627ehf   10      5       4       3      0x8850 0x88    0x5ca3
-					       0x8860 0xa1
-    w83627dhg    9      5       4       3      0xa020 0xc1    0x5ca3
-    w83627dhg-p  9      5       4       3      0xb070 0xc1    0x5ca3
-    w83627uhg    8      2       2       3      0xa230 0xc1    0x5ca3
-    w83667hg     9      5       3       3      0xa510 0xc1    0x5ca3
-    w83667hg-b   9      5       3       4      0xb350 0xc1    0x5ca3
-    nct6775f     9      4       3       9      0xb470 0xc1    0x5ca3
-    nct6776f     9      5       3       9      0xC330 0xc1    0x5ca3
-*/
+ *  w83627ehf - Driver for the hardware monitoring functionality of
+ *		the Winbond W83627EHF Super-I/O chip
+ *  Copyright (C) 2005-2011  Jean Delvare <khali@linux-fr.org>
+ *  Copyright (C) 2006  Yuan Mu (Winbond),
+ *			Rudolf Marek <r.marek@assembler.cz>
+ *			David Hubbard <david.c.hubbard@gmail.com>
+ *			Daniel J Blueman <daniel.blueman@gmail.com>
+ *  Copyright (C) 2010  Sheng-Yuan Huang (Nuvoton) (PS00)
+ *
+ *  Shamelessly ripped from the w83627hf driver
+ *  Copyright (C) 2003  Mark Studebaker
+ *
+ *  Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help
+ *  in testing and debugging this driver.
+ *
+ *  This driver also supports the W83627EHG, which is the lead-free
+ *  version of the W83627EHF.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  Supports the following chips:
+ *
+ *  Chip        #vin    #fan    #pwm    #temp  chip IDs       man ID
+ *  w83627ehf   10      5       4       3      0x8850 0x88    0x5ca3
+ *					       0x8860 0xa1
+ *  w83627dhg    9      5       4       3      0xa020 0xc1    0x5ca3
+ *  w83627dhg-p  9      5       4       3      0xb070 0xc1    0x5ca3
+ *  w83627uhg    8      2       2       3      0xa230 0xc1    0x5ca3
+ *  w83667hg     9      5       3       3      0xa510 0xc1    0x5ca3
+ *  w83667hg-b   9      5       3       4      0xb350 0xc1    0x5ca3
+ *  nct6775f     9      4       3       9      0xb470 0xc1    0x5ca3
+ *  nct6776f     9      5       3       9      0xC330 0xc1    0x5ca3
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -164,11 +163,13 @@ superio_exit(int ioreg)
 #define W83627EHF_REG_BANK		0x4E
 #define W83627EHF_REG_CONFIG		0x40
 
-/* Not currently used:
+/*
+ * Not currently used:
  * REG_MAN_ID has the value 0x5ca3 for all supported chips.
  * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model.
  * REG_MAN_ID is at port 0x4f
- * REG_CHIP_ID is at port 0x58 */
+ * REG_CHIP_ID is at port 0x58
+ */
 
 static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 };
 static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c };
@@ -239,6 +240,8 @@ static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B[] = { 0x67, 0x69, 0x6b };
 static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B[]
 						= { 0x68, 0x6a, 0x6c };
 
+static const u16 W83627EHF_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 };
+
 static const u16 NCT6775_REG_TARGET[] = { 0x101, 0x201, 0x301 };
 static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302 };
 static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { 0x105, 0x205, 0x305 };
@@ -393,8 +396,10 @@ div_from_reg(u8 reg)
 	return 1 << reg;
 }
 
-/* Some of the voltage inputs have internal scaling, the tables below
- * contain 8 (the ADC LSB in mV) * scaling factor * 100 */
+/*
+ * Some of the voltage inputs have internal scaling, the tables below
+ * contain 8 (the ADC LSB in mV) * scaling factor * 100
+ */
 static const u16 scale_in_common[10] = {
 	800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800
 };
@@ -462,6 +467,7 @@ struct w83627ehf_data {
 	u8 has_fan_min;		/* some fans don't have min register */
 	bool has_fan_div;
 	u8 temp_type[3];
+	s8 temp_offset[3];
 	s16 temp[9];
 	s16 temp_max[9];
 	s16 temp_max_hyst[9];
@@ -470,12 +476,13 @@ struct w83627ehf_data {
 
 	u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */
 	u8 pwm_enable[4]; /* 1->manual
-			     2->thermal cruise mode (also called SmartFan I)
-			     3->fan speed cruise mode
-			     4->variable thermal cruise (also called
-				SmartFan III)
-			     5->enhanced variable thermal cruise (also called
-				SmartFan IV) */
+			   * 2->thermal cruise mode (also called SmartFan I)
+			   * 3->fan speed cruise mode
+			   * 4->variable thermal cruise (also called
+			   * SmartFan III)
+			   * 5->enhanced variable thermal cruise (also called
+			   * SmartFan IV)
+			   */
 	u8 pwm_enable_orig[4];	/* original value of pwm_enable */
 	u8 pwm_num;		/* number of pwm */
 	u8 pwm[4];
@@ -492,6 +499,7 @@ struct w83627ehf_data {
 	u8 vrm;
 
 	u16 have_temp;
+	u16 have_temp_offset;
 	u8 in6_skip:1;
 	u8 temp3_val_only:1;
 };
@@ -816,9 +824,11 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
 				data->fan_min[i] = w83627ehf_read_value(data,
 					   data->REG_FAN_MIN[i]);
 
-			/* If we failed to measure the fan speed and clock
-			   divider can be increased, let's try that for next
-			   time */
+			/*
+			 * If we failed to measure the fan speed and clock
+			 * divider can be increased, let's try that for next
+			 * time
+			 */
 			if (data->has_fan_div
 			    && (reg >= 0xff || (sio_data->kind == nct6775
 						&& reg == 0x00))
@@ -887,6 +897,10 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
 				data->temp_max_hyst[i]
 				  = w83627ehf_read_temp(data,
 						data->reg_temp_hyst[i]);
+			if (data->have_temp_offset & (1 << i))
+				data->temp_offset[i]
+				  = w83627ehf_read_value(data,
+						W83627EHF_REG_TEMP_OFFSET[i]);
 		}
 
 		data->alarms = w83627ehf_read_value(data,
@@ -1081,25 +1095,31 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
 		new_div = data->fan_div[nr]; /* No change */
 		dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1);
 	} else if ((reg = 1350000U / val) >= 128 * 255) {
-		/* Speed below this value cannot possibly be represented,
-		   even with the highest divider (128) */
+		/*
+		 * Speed below this value cannot possibly be represented,
+		 * even with the highest divider (128)
+		 */
 		data->fan_min[nr] = 254;
 		new_div = 7; /* 128 == (1 << 7) */
 		dev_warn(dev, "fan%u low limit %lu below minimum %u, set to "
 			 "minimum\n", nr + 1, val,
 			 data->fan_from_reg_min(254, 7));
 	} else if (!reg) {
-		/* Speed above this value cannot possibly be represented,
-		   even with the lowest divider (1) */
+		/*
+		 * Speed above this value cannot possibly be represented,
+		 * even with the lowest divider (1)
+		 */
 		data->fan_min[nr] = 1;
 		new_div = 0; /* 1 == (1 << 0) */
 		dev_warn(dev, "fan%u low limit %lu above maximum %u, set to "
 			 "maximum\n", nr + 1, val,
 			 data->fan_from_reg_min(1, 0));
 	} else {
-		/* Automatically pick the best divider, i.e. the one such
-		   that the min limit will correspond to a register value
-		   in the 96..192 range */
+		/*
+		 * Automatically pick the best divider, i.e. the one such
+		 * that the min limit will correspond to a register value
+		 * in the 96..192 range
+		 */
 		new_div = 0;
 		while (reg > 192 && new_div < 7) {
 			reg >>= 1;
@@ -1108,8 +1128,10 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
 		data->fan_min[nr] = reg;
 	}
 
-	/* Write both the fan clock divider (if it changed) and the new
-	   fan min (unconditionally) */
+	/*
+	 * Write both the fan clock divider (if it changed) and the new
+	 * fan min (unconditionally)
+	 */
 	if (new_div != data->fan_div[nr]) {
 		dev_dbg(dev, "fan%u clock divider changed from %u to %u\n",
 			nr + 1, div_from_reg(data->fan_div[nr]),
@@ -1212,6 +1234,39 @@ store_temp_reg(reg_temp_over, temp_max);
 store_temp_reg(reg_temp_hyst, temp_max_hyst);
 
 static ssize_t
+show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct w83627ehf_data *data = w83627ehf_update_device(dev);
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+
+	return sprintf(buf, "%d\n",
+		       data->temp_offset[sensor_attr->index] * 1000);
+}
+
+static ssize_t
+store_temp_offset(struct device *dev, struct device_attribute *attr,
+		  const char *buf, size_t count)
+{
+	struct w83627ehf_data *data = dev_get_drvdata(dev);
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+	int nr = sensor_attr->index;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err < 0)
+		return err;
+
+	val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), -128, 127);
+
+	mutex_lock(&data->update_lock);
+	data->temp_offset[nr] = val;
+	w83627ehf_write_value(data, W83627EHF_REG_TEMP_OFFSET[nr], val);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static ssize_t
 show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct w83627ehf_data *data = w83627ehf_update_device(dev);
@@ -1298,6 +1353,15 @@ static struct sensor_device_attribute sda_temp_type[] = {
 	SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
 };
 
+static struct sensor_device_attribute sda_temp_offset[] = {
+	SENSOR_ATTR(temp1_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+		    store_temp_offset, 0),
+	SENSOR_ATTR(temp2_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+		    store_temp_offset, 1),
+	SENSOR_ATTR(temp3_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+		    store_temp_offset, 2),
+};
+
 #define show_pwm_reg(reg) \
 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
 			  char *buf) \
@@ -1736,8 +1800,10 @@ static struct sensor_device_attribute_2 sda_caseopen[] = {
 
 static void w83627ehf_device_remove_files(struct device *dev)
 {
-	/* some entries in the following arrays may not have been used in
-	 * device_create_file(), but device_remove_file() will ignore them */
+	/*
+	 * some entries in the following arrays may not have been used in
+	 * device_create_file(), but device_remove_file() will ignore them
+	 */
 	int i;
 	struct w83627ehf_data *data = dev_get_drvdata(dev);
 
@@ -1788,6 +1854,7 @@ static void w83627ehf_device_remove_files(struct device *dev)
 			continue;
 		device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
 		device_remove_file(dev, &sda_temp_type[i].dev_attr);
+		device_remove_file(dev, &sda_temp_offset[i].dev_attr);
 	}
 
 	device_remove_file(dev, &sda_caseopen[0].dev_attr);
@@ -2110,6 +2177,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
 		} else {
 			data->temp_label = nct6775_temp_label;
 		}
+		data->have_temp_offset = data->have_temp & 0x07;
+		for (i = 0; i < 3; i++) {
+			if (data->temp_src[i] > 3)
+				data->have_temp_offset &= ~(1 << i);
+		}
 	} else if (sio_data->kind == w83667hg_b) {
 		u8 reg;
 
@@ -2152,6 +2224,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
 			data->in6_skip = 1;
 
 		data->temp_label = w83667hg_b_temp_label;
+		data->have_temp_offset = data->have_temp & 0x07;
+		for (i = 0; i < 3; i++) {
+			if (data->temp_src[i] > 2)
+				data->have_temp_offset &= ~(1 << i);
+		}
 	} else if (sio_data->kind == w83627uhg) {
 		u8 reg;
 
@@ -2188,6 +2265,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
 		data->in6_skip = 1;			/* No VIN3 */
 
 		data->temp_label = w83667hg_b_temp_label;
+		data->have_temp_offset = data->have_temp & 0x03;
+		for (i = 0; i < 3; i++) {
+			if (data->temp_src[i] > 1)
+				data->have_temp_offset &= ~(1 << i);
+		}
 	} else {
 		w83627ehf_set_temp_reg_ehf(data, 3);
 
@@ -2207,6 +2289,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
 			else
 				data->in6_skip = 1;
 		}
+		data->have_temp_offset = data->have_temp & 0x07;
 	}
 
 	if (sio_data->kind == nct6775) {
@@ -2279,9 +2362,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
 	/* Read VID value */
 	if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b ||
 	    sio_data->kind == nct6775 || sio_data->kind == nct6776) {
-		/* W83667HG has different pins for VID input and output, so
-		we can get the VID input values directly at logical device D
-		0xe3. */
+		/*
+		 * W83667HG has different pins for VID input and output, so
+		 * we can get the VID input values directly at logical device D
+		 * 0xe3.
+		 */
 		superio_select(sio_data->sioreg, W83667HG_LD_VID);
 		data->vid = superio_inb(sio_data->sioreg, 0xe3);
 		err = device_create_file(dev, &dev_attr_cpu0_vid);
@@ -2290,11 +2375,13 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
 	} else if (sio_data->kind != w83627uhg) {
 		superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
 		if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) {
-			/* Set VID input sensibility if needed. In theory the
-			   BIOS should have set it, but in practice it's not
-			   always the case. We only do it for the W83627EHF/EHG
-			   because the W83627DHG is more complex in this
-			   respect. */
+			/*
+			 * Set VID input sensibility if needed. In theory the
+			 * BIOS should have set it, but in practice it's not
+			 * always the case. We only do it for the W83627EHF/EHG
+			 * because the W83627DHG is more complex in this
+			 * respect.
+			 */
 			if (sio_data->kind == w83627ehf) {
 				en_vrm10 = superio_inb(sio_data->sioreg,
 						       SIO_REG_EN_VRM10);
@@ -2468,6 +2555,12 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
 			|| (err = device_create_file(dev,
 				&sda_temp_type[i].dev_attr)))
 			goto exit_remove;
+		if (data->have_temp_offset & (1 << i)) {
+			err = device_create_file(dev,
+						 &sda_temp_offset[i].dev_attr);
+			if (err)
+				goto exit_remove;
+		}
 	}
 
 	err = device_create_file(dev, &sda_caseopen[0].dev_attr);
@@ -2616,10 +2709,12 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
 	return 0;
 }
 
-/* when Super-I/O functions move to a separate file, the Super-I/O
+/*
+ * when Super-I/O functions move to a separate file, the Super-I/O
  * bus will manage the lifetime of the device and this module will only keep
  * track of the w83627ehf driver. But since we platform_device_alloc(), we
- * must keep track of the device */
+ * must keep track of the device
+ */
 static struct platform_device *pdev;
 
 static int __init sensors_w83627ehf_init(void)
@@ -2629,11 +2724,13 @@ static int __init sensors_w83627ehf_init(void)
 	struct resource res;
 	struct w83627ehf_sio_data sio_data;
 
-	/* initialize sio_data->kind and sio_data->sioreg.
+	/*
+	 * initialize sio_data->kind and sio_data->sioreg.
 	 *
 	 * when Super-I/O functions move to a separate file, the Super-I/O
 	 * driver will probe 0x2e and 0x4e and auto-detect the presence of a
-	 * w83627ehf hardware monitor, and call probe() */
+	 * w83627ehf hardware monitor, and call probe()
+	 */
 	if (w83627ehf_find(0x2e, &address, &sio_data) &&
 	    w83627ehf_find(0x4e, &address, &sio_data))
 		return -ENODEV;
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index 374118f2b9f9..5ce54a297249 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -1,43 +1,43 @@
 /*
-    w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
-                monitoring
-    Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
-    Philip Edelbrock <phil@netroedge.com>,
-    and Mark Studebaker <mdsxyz123@yahoo.com>
-    Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
-    Copyright (c) 2007  Jean Delvare <khali@linux-fr.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
+ *		monitoring
+ * Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
+ *			      Philip Edelbrock <phil@netroedge.com>,
+ *			      and Mark Studebaker <mdsxyz123@yahoo.com>
+ * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
+ * Copyright (c) 2007  Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 /*
-    Supports following chips:
-
-    Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
-    w83627hf	9	3	2	3	0x20	0x5ca3	no	yes(LPC)
-    w83627thf	7	3	3	3	0x90	0x5ca3	no	yes(LPC)
-    w83637hf	7	3	3	3	0x80	0x5ca3	no	yes(LPC)
-    w83687thf	7	3	3	3	0x90	0x5ca3	no	yes(LPC)
-    w83697hf	8	2	2	2	0x60	0x5ca3	no	yes(LPC)
-
-    For other winbond chips, and for i2c support in the above chips,
-    use w83781d.c.
-
-    Note: automatic ("cruise") fan control for 697, 637 & 627thf not
-    supported yet.
-*/
+ * Supports following chips:
+ *
+ * Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
+ * w83627hf	9	3	2	3	0x20	0x5ca3	no	yes(LPC)
+ * w83627thf	7	3	3	3	0x90	0x5ca3	no	yes(LPC)
+ * w83637hf	7	3	3	3	0x80	0x5ca3	no	yes(LPC)
+ * w83687thf	7	3	3	3	0x90	0x5ca3	no	yes(LPC)
+ * w83697hf	8	2	2	2	0x60	0x5ca3	no	yes(LPC)
+ *
+ * For other winbond chips, and for i2c support in the above chips,
+ * use w83781d.c.
+ *
+ * Note: automatic ("cruise") fan control for 697, 637 & 627thf not
+ * supported yet.
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -80,7 +80,7 @@ module_param(force_id, ushort, 0);
 MODULE_PARM_DESC(force_id, "Override the detected device ID");
 
 /* modified from kernel/include/traps.c */
-#define	DEV	0x07	/* Register: Logical device select */
+#define DEV			0x07 /* Register: Logical device select */
 
 /* logical device numbers for superio_select (below) */
 #define W83627HF_LD_FDC		0x00
@@ -99,7 +99,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID");
 #define W83627HF_LD_ACPI	0x0a
 #define W83627HF_LD_HWM		0x0b
 
-#define	DEVID	0x20	/* Register: Device ID */
+#define DEVID			0x20 /* Register: Device ID */
 
 #define W83627THF_GPIO5_EN	0x30 /* w83627thf only */
 #define W83627THF_GPIO5_IOSR	0xf3 /* w83627thf only */
@@ -248,10 +248,12 @@ static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 #define W83781D_DEFAULT_BETA 3435
 
-/* Conversions. Limit checking is only done on the TO_REG
-   variants. Note that you should be a bit careful with which arguments
-   these macros are called: arguments may be evaluated more than once.
-   Fixing this is just not worth it. */
+/*
+ * Conversions. Limit checking is only done on the TO_REG
+ * variants. Note that you should be a bit careful with which arguments
+ * these macros are called: arguments may be evaluated more than once.
+ * Fixing this is just not worth it.
+ */
 #define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
 #define IN_FROM_REG(val) ((val) * 16)
 
@@ -267,8 +269,10 @@ static inline u8 FAN_TO_REG(long rpm, int div)
 #define TEMP_MIN (-128000)
 #define TEMP_MAX ( 127000)
 
-/* TEMP: 0.001C/bit (-128C to +127C)
-   REG: 1C/bit, two's complement */
+/*
+ * TEMP: 0.001C/bit (-128C to +127C)
+ * REG: 1C/bit, two's complement
+ */
 static u8 TEMP_TO_REG(long temp)
 {
         int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
@@ -294,8 +298,10 @@ static inline unsigned long pwm_freq_from_reg_627hf(u8 reg)
 static inline u8 pwm_freq_to_reg_627hf(unsigned long val)
 {
 	u8 i;
-	/* Only 5 dividers (1 2 4 8 16)
-	   Search for the nearest available frequency */
+	/*
+	 * Only 5 dividers (1 2 4 8 16)
+	 * Search for the nearest available frequency
+	 */
 	for (i = 0; i < 4; i++) {
 		if (val > (((W83627HF_BASE_PWM_FREQ >> i) +
 			    (W83627HF_BASE_PWM_FREQ >> (i+1))) / 2))
@@ -313,7 +319,7 @@ static inline unsigned long pwm_freq_from_reg(u8 reg)
 	/* This should not happen but anyway... */
 	if (reg == 0)
 		reg++;
-	return (clock / (reg << 8));
+	return clock / (reg << 8);
 }
 static inline u8 pwm_freq_to_reg(unsigned long val)
 {
@@ -321,11 +327,11 @@ static inline u8 pwm_freq_to_reg(unsigned long val)
 	if (val >= 93750)	/* The highest we can do */
 		return 0x01;
 	if (val >= 720)	/* Use 24 MHz clock */
-		return (24000000UL / (val << 8));
+		return 24000000UL / (val << 8);
 	if (val < 6)		/* The lowest we can do */
 		return 0xFF;
 	else			/* Use 180 kHz clock */
-		return (0x80 | (180000UL / (val << 8)));
+		return 0x80 | (180000UL / (val << 8));
 }
 
 #define BEEP_MASK_FROM_REG(val)		((val) & 0xff7fff)
@@ -342,11 +348,13 @@ static inline u8 DIV_TO_REG(long val)
 			break;
 		val >>= 1;
 	}
-	return ((u8) i);
+	return (u8)i;
 }
 
-/* For each registered chip, we need to keep some data in memory.
-   The structure is dynamically allocated. */
+/*
+ * For each registered chip, we need to keep some data in memory.
+ * The structure is dynamically allocated.
+ */
 struct w83627hf_data {
 	unsigned short addr;
 	const char *name;
@@ -372,11 +380,13 @@ struct w83627hf_data {
 	u32 beep_mask;		/* Register encoding, combined */
 	u8 pwm[3];		/* Register value */
 	u8 pwm_enable[3];	/* 1 = manual
-				   2 = thermal cruise (also called SmartFan I)
-				   3 = fan speed cruise */
+				 * 2 = thermal cruise (also called SmartFan I)
+				 * 3 = fan speed cruise
+				 */
 	u8 pwm_freq[3];		/* Register value */
 	u16 sens[3];		/* 1 = pentium diode; 2 = 3904 diode;
-				   4 = thermistor */
+				 * 4 = thermistor
+				 */
 	u8 vrm;
 	u8 vrm_ovt;		/* Register value, 627THF/637HF/687THF only */
 };
@@ -427,7 +437,12 @@ store_in_min(struct device *dev, struct device_attribute *devattr,
 {
 	int nr = to_sensor_dev_attr(devattr)->index;
 	struct w83627hf_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[nr] = IN_TO_REG(val);
@@ -441,7 +456,12 @@ store_in_max(struct device *dev, struct device_attribute *devattr,
 {
 	int nr = to_sensor_dev_attr(devattr)->index;
 	struct w83627hf_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[nr] = IN_TO_REG(val);
@@ -506,9 +526,12 @@ static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *a
 	const char *buf, size_t count)
 {
 	struct w83627hf_data *data = dev_get_drvdata(dev);
-	u32 val;
+	unsigned long val;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	
@@ -533,9 +556,12 @@ static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *a
 	const char *buf, size_t count)
 {
 	struct w83627hf_data *data = dev_get_drvdata(dev);
-	u32 val;
+	unsigned long val;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -584,7 +610,12 @@ store_fan_min(struct device *dev, struct device_attribute *devattr,
 {
 	int nr = to_sensor_dev_attr(devattr)->index;
 	struct w83627hf_data *data = dev_get_drvdata(dev);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -645,9 +676,15 @@ store_temp_max(struct device *dev, struct device_attribute *devattr,
 {
 	int nr = to_sensor_dev_attr(devattr)->index;
 	struct w83627hf_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
-	u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
+	u16 tmp;
+	long val;
+	int err;
 
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
+
+	tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 	mutex_lock(&data->update_lock);
 	data->temp_max[nr] = tmp;
 	w83627hf_write_value(data, w83627hf_reg_temp_over[nr], tmp);
@@ -661,9 +698,15 @@ store_temp_max_hyst(struct device *dev, struct device_attribute *devattr,
 {
 	int nr = to_sensor_dev_attr(devattr)->index;
 	struct w83627hf_data *data = dev_get_drvdata(dev);
-	long val = simple_strtol(buf, NULL, 10);
-	u16 tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
+	u16 tmp;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
+	tmp = (nr) ? LM75_TEMP_TO_REG(val) : TEMP_TO_REG(val);
 	mutex_lock(&data->update_lock);
 	data->temp_max_hyst[nr] = tmp;
 	w83627hf_write_value(data, w83627hf_reg_temp_hyst[nr], tmp);
@@ -701,9 +744,12 @@ static ssize_t
 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct w83627hf_data *data = dev_get_drvdata(dev);
-	u32 val;
+	unsigned long val;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 	data->vrm = val;
 
 	return count;
@@ -755,8 +801,11 @@ store_beep_mask(struct device *dev, struct device_attribute *attr,
 {
 	struct w83627hf_data *data = dev_get_drvdata(dev);
 	unsigned long val;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -791,10 +840,14 @@ store_beep(struct device *dev, struct device_attribute *attr,
 {
 	struct w83627hf_data *data = dev_get_drvdata(dev);
 	int bitnr = to_sensor_dev_attr(attr)->index;
-	unsigned long bit;
 	u8 reg;
+	unsigned long bit;
+	int err;
+
+	err = kstrtoul(buf, 10, &bit);
+	if (err)
+		return err;
 
-	bit = simple_strtoul(buf, NULL, 10);
 	if (bit & ~1)
 		return -EINVAL;
 
@@ -872,10 +925,12 @@ show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 	return sprintf(buf, "%ld\n",
 		       (long) DIV_FROM_REG(data->fan_div[nr]));
 }
-/* Note: we save and restore the fan minimum here, because its value is
-   determined in part by the fan divisor.  This follows the principle of
-   least surprise; the user doesn't expect the fan minimum to change just
-   because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor.  This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
 static ssize_t
 store_fan_div(struct device *dev, struct device_attribute *devattr,
 	      const char *buf, size_t count)
@@ -884,7 +939,12 @@ store_fan_div(struct device *dev, struct device_attribute *devattr,
 	struct w83627hf_data *data = dev_get_drvdata(dev);
 	unsigned long min;
 	u8 reg;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -933,7 +993,12 @@ store_pwm(struct device *dev, struct device_attribute *devattr,
 {
 	int nr = to_sensor_dev_attr(devattr)->index;
 	struct w83627hf_data *data = dev_get_drvdata(dev);
-	u32 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -974,10 +1039,15 @@ store_pwm_enable(struct device *dev, struct device_attribute *devattr,
 {
 	int nr = to_sensor_dev_attr(devattr)->index;
 	struct w83627hf_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
 	u8 reg;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
-	if (!val || (val > 3))	/* modes 1, 2 and 3 are supported */
+	if (!val || val > 3)	/* modes 1, 2 and 3 are supported */
 		return -EINVAL;
 	mutex_lock(&data->update_lock);
 	data->pwm_enable[nr] = val;
@@ -1016,9 +1086,12 @@ store_pwm_freq(struct device *dev, struct device_attribute *devattr,
 	int nr = to_sensor_dev_attr(devattr)->index;
 	struct w83627hf_data *data = dev_get_drvdata(dev);
 	static const u8 mask[]={0xF8, 0x8F};
-	u32 val;
+	unsigned long val;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -1060,9 +1133,13 @@ store_temp_type(struct device *dev, struct device_attribute *devattr,
 {
 	int nr = to_sensor_dev_attr(devattr)->index;
 	struct w83627hf_data *data = dev_get_drvdata(dev);
-	u32 val, tmp;
+	unsigned long val;
+	u32 tmp;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -1290,7 +1367,8 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
 		goto ERROR0;
 	}
 
-	if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL);
+	if (!data) {
 		err = -ENOMEM;
 		goto ERROR1;
 	}
@@ -1311,7 +1389,8 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
 	w83627hf_update_fan_div(data);
 
 	/* Register common device attributes */
-	if ((err = sysfs_create_group(&dev->kobj, &w83627hf_group)))
+	err = sysfs_create_group(&dev->kobj, &w83627hf_group);
+	if (err)
 		goto ERROR3;
 
 	/* Register chip-specific device attributes */
@@ -1387,10 +1466,11 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
 	}
 
 	if (data->type == w83627thf || data->type == w83637hf
-	 || data->type == w83687thf)
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_pwm3.dev_attr)))
+	    || data->type == w83687thf) {
+		err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
+		if (err)
 			goto ERROR4;
+	}
 
 	if (data->type == w83637hf || data->type == w83687thf)
 		if ((err = device_create_file(dev,
@@ -1409,10 +1489,12 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
 			goto ERROR4;
 
 	if (data->type == w83627thf || data->type == w83637hf
-	 || data->type == w83687thf)
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_pwm3_enable.dev_attr)))
+	    || data->type == w83687thf) {
+		err = device_create_file(dev,
+					 &sensor_dev_attr_pwm3_enable.dev_attr);
+		if (err)
 			goto ERROR4;
+	}
 
 	data->hwmon_dev = hwmon_device_register(dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -1510,8 +1592,10 @@ static int __devinit w83627thf_read_gpio5(struct platform_device *pdev)
 		goto exit;
 	}
 
-	/* Make sure the pins are configured for input
-	   There must be at least five (VRM 9), and possibly 6 (VRM 10) */
+	/*
+	 * Make sure the pins are configured for input
+	 * There must be at least five (VRM 9), and possibly 6 (VRM 10)
+	 */
 	sel = superio_inb(sio_data, W83627THF_GPIO5_IOSR) & 0x3f;
 	if ((sel & 0x1f) != 0x1f) {
 		dev_dbg(&pdev->dev, "GPIO5 not configured for VID "
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 17a8fa2d9ae9..b03d54a799e3 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -1,37 +1,37 @@
 /*
-    w83781d.c - Part of lm_sensors, Linux kernel modules for hardware
-                monitoring
-    Copyright (c) 1998 - 2001  Frodo Looijaard <frodol@dds.nl>,
-                               Philip Edelbrock <phil@netroedge.com>,
-                               and Mark Studebaker <mdsxyz123@yahoo.com>
-    Copyright (c) 2007 - 2008  Jean Delvare <khali@linux-fr.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * w83781d.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	       monitoring
+ * Copyright (c) 1998 - 2001  Frodo Looijaard <frodol@dds.nl>,
+ *			      Philip Edelbrock <phil@netroedge.com>,
+ *			      and Mark Studebaker <mdsxyz123@yahoo.com>
+ * Copyright (c) 2007 - 2008  Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 /*
-    Supports following chips:
-
-    Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
-    as99127f	7	3	0	3	0x31	0x12c3	yes	no
-    as99127f rev.2 (type_name = as99127f)	0x31	0x5ca3	yes	no
-    w83781d	7	3	0	3	0x10-1	0x5ca3	yes	yes
-    w83782d	9	3	2-4	3	0x30	0x5ca3	yes	yes
-    w83783s	5-6	3	2	1-2	0x40	0x5ca3	yes	no
-
-*/
+ * Supports following chips:
+ *
+ * Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
+ * as99127f	7	3	0	3	0x31	0x12c3	yes	no
+ * as99127f rev.2 (type_name = as99127f)	0x31	0x5ca3	yes	no
+ * w83781d	7	3	0	3	0x10-1	0x5ca3	yes	yes
+ * w83782d	9	3	2-4	3	0x30	0x5ca3	yes	yes
+ * w83783s	5-6	3	2	1-2	0x40	0x5ca3	yes	no
+ *
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -145,8 +145,10 @@ static const u8 W83781D_REG_PWM[] = { 0x5B, 0x5A, 0x5E, 0x5F };
 #define W83781D_REG_I2C_ADDR		0x48
 #define W83781D_REG_I2C_SUBADDR		0x4A
 
-/* The following are undocumented in the data sheets however we
-   received the information in an email from Winbond tech support */
+/*
+ * The following are undocumented in the data sheets however we
+ * received the information in an email from Winbond tech support
+ */
 /* Sensor selection - not on 781d */
 #define W83781D_REG_SCFG1		0x5D
 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
@@ -182,9 +184,9 @@ FAN_FROM_REG(u8 val, int div)
 #define TEMP_TO_REG(val)		SENSORS_LIMIT((val) / 1000, -127, 128)
 #define TEMP_FROM_REG(val)		((val) * 1000)
 
-#define BEEP_MASK_FROM_REG(val,type)	((type) == as99127f ? \
+#define BEEP_MASK_FROM_REG(val, type)	((type) == as99127f ? \
 					 (~(val)) & 0x7fff : (val) & 0xff7fff)
-#define BEEP_MASK_TO_REG(val,type)	((type) == as99127f ? \
+#define BEEP_MASK_TO_REG(val, type)	((type) == as99127f ? \
 					 (~(val)) & 0x7fff : (val) & 0xff7fff)
 
 #define DIV_FROM_REG(val)		(1 << (val))
@@ -238,9 +240,11 @@ struct w83781d_data {
 	u32 beep_mask;		/* Register encoding, combined */
 	u8 pwm[4];		/* Register value */
 	u8 pwm2_enable;		/* Boolean */
-	u16 sens[3];		/* 782D/783S only.
-				   1 = pentium diode; 2 = 3904 diode;
-				   4 = thermistor */
+	u16 sens[3];		/*
+				 * 782D/783S only.
+				 * 1 = pentium diode; 2 = 3904 diode;
+				 * 4 = thermistor
+				 */
 	u8 vrm;
 };
 
@@ -254,7 +258,7 @@ static void w83781d_init_device(struct device *dev);
 
 /* following are the sysfs callback functions */
 #define show_in_reg(reg) \
-static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
+static ssize_t show_##reg(struct device *dev, struct device_attribute *da, \
 		char *buf) \
 { \
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
@@ -267,20 +271,21 @@ show_in_reg(in_min);
 show_in_reg(in_max);
 
 #define store_in_reg(REG, reg) \
-static ssize_t store_in_##reg (struct device *dev, struct device_attribute \
+static ssize_t store_in_##reg(struct device *dev, struct device_attribute \
 		*da, const char *buf, size_t count) \
 { \
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
 	struct w83781d_data *data = dev_get_drvdata(dev); \
 	int nr = attr->index; \
-	u32 val; \
-	 \
-	val = simple_strtoul(buf, NULL, 10); \
-	 \
+	unsigned long val; \
+	int err = kstrtoul(buf, 10, &val); \
+	if (err) \
+		return err; \
 	mutex_lock(&data->update_lock); \
 	data->in_##reg[nr] = IN_TO_REG(val); \
-	w83781d_write_value(data, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \
-	 \
+	w83781d_write_value(data, W83781D_REG_IN_##REG(nr), \
+			    data->in_##reg[nr]); \
+	\
 	mutex_unlock(&data->update_lock); \
 	return count; \
 }
@@ -306,12 +311,12 @@ sysfs_in_offsets(7);
 sysfs_in_offsets(8);
 
 #define show_fan_reg(reg) \
-static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
+static ssize_t show_##reg(struct device *dev, struct device_attribute *da, \
 		char *buf) \
 { \
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
 	struct w83781d_data *data = w83781d_update_device(dev); \
-	return sprintf(buf,"%ld\n", \
+	return sprintf(buf, "%ld\n", \
 		FAN_FROM_REG(data->reg[attr->index], \
 			DIV_FROM_REG(data->fan_div[attr->index]))); \
 }
@@ -325,9 +330,12 @@ store_fan_min(struct device *dev, struct device_attribute *da,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	struct w83781d_data *data = dev_get_drvdata(dev);
 	int nr = attr->index;
-	u32 val;
+	unsigned long val;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] =
@@ -350,17 +358,17 @@ static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR,
 		show_fan_min, store_fan_min, 2);
 
 #define show_temp_reg(reg) \
-static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
+static ssize_t show_##reg(struct device *dev, struct device_attribute *da, \
 		char *buf) \
 { \
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
 	struct w83781d_data *data = w83781d_update_device(dev); \
 	int nr = attr->index; \
 	if (nr >= 2) {	/* TEMP2 and TEMP3 */ \
-		return sprintf(buf,"%d\n", \
+		return sprintf(buf, "%d\n", \
 			LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \
 	} else {	/* TEMP1 */ \
-		return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \
+		return sprintf(buf, "%ld\n", (long)TEMP_FROM_REG(data->reg)); \
 	} \
 }
 show_temp_reg(temp);
@@ -368,16 +376,16 @@ show_temp_reg(temp_max);
 show_temp_reg(temp_max_hyst);
 
 #define store_temp_reg(REG, reg) \
-static ssize_t store_temp_##reg (struct device *dev, \
+static ssize_t store_temp_##reg(struct device *dev, \
 		struct device_attribute *da, const char *buf, size_t count) \
 { \
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da); \
 	struct w83781d_data *data = dev_get_drvdata(dev); \
 	int nr = attr->index; \
 	long val; \
-	 \
-	val = simple_strtol(buf, NULL, 10); \
-	 \
+	int err = kstrtol(buf, 10, &val); \
+	if (err) \
+		return err; \
 	mutex_lock(&data->update_lock); \
 	 \
 	if (nr >= 2) {	/* TEMP2 and TEMP3 */ \
@@ -425,13 +433,17 @@ show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
 }
 
 static ssize_t
-store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+store_vrm_reg(struct device *dev, struct device_attribute *attr,
+	      const char *buf, size_t count)
 {
 	struct w83781d_data *data = dev_get_drvdata(dev);
-	u32 val;
+	unsigned long val;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
-	data->vrm = val;
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+	data->vrm = SENSORS_LIMIT(val, 0, 255);
 
 	return count;
 }
@@ -480,7 +492,8 @@ static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_temp3_alarm, NULL, 0);
 
-static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_beep_mask(struct device *dev,
+			       struct device_attribute *attr, char *buf)
 {
 	struct w83781d_data *data = w83781d_update_device(dev);
 	return sprintf(buf, "%ld\n",
@@ -492,9 +505,12 @@ store_beep_mask(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
 	struct w83781d_data *data = dev_get_drvdata(dev);
-	u32 val;
+	unsigned long val;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->beep_mask &= 0x8000; /* preserve beep enable */
@@ -529,10 +545,14 @@ store_beep(struct device *dev, struct device_attribute *attr,
 {
 	struct w83781d_data *data = dev_get_drvdata(dev);
 	int bitnr = to_sensor_dev_attr(attr)->index;
-	unsigned long bit;
 	u8 reg;
+	unsigned long bit;
+	int err;
+
+	err = kstrtoul(buf, 10, &bit);
+	if (err)
+		return err;
 
-	bit = simple_strtoul(buf, NULL, 10);
 	if (bit & ~1)
 		return -EINVAL;
 
@@ -620,10 +640,12 @@ show_fan_div(struct device *dev, struct device_attribute *da, char *buf)
 		       (long) DIV_FROM_REG(data->fan_div[attr->index]));
 }
 
-/* Note: we save and restore the fan minimum here, because its value is
-   determined in part by the fan divisor.  This follows the principle of
-   least surprise; the user doesn't expect the fan minimum to change just
-   because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor.  This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
 static ssize_t
 store_fan_div(struct device *dev, struct device_attribute *da,
 		const char *buf, size_t count)
@@ -633,7 +655,12 @@ store_fan_div(struct device *dev, struct device_attribute *da,
 	unsigned long min;
 	int nr = attr->index;
 	u8 reg;
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -643,10 +670,12 @@ store_fan_div(struct device *dev, struct device_attribute *da,
 
 	data->fan_div[nr] = DIV_TO_REG(val, data->type);
 
-	reg = (w83781d_read_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
-	       & (nr==0 ? 0xcf : 0x3f))
-	    | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
-	w83781d_write_value(data, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
+	reg = (w83781d_read_value(data, nr == 2 ?
+				  W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
+		& (nr == 0 ? 0xcf : 0x3f))
+	      | ((data->fan_div[nr] & 0x03) << (nr == 0 ? 4 : 6));
+	w83781d_write_value(data, nr == 2 ?
+			    W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
 
 	/* w83781d and as99127f don't have extended divisor bits */
 	if (data->type != w83781d && data->type != as99127f) {
@@ -693,9 +722,12 @@ store_pwm(struct device *dev, struct device_attribute *da, const char *buf,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	struct w83781d_data *data = dev_get_drvdata(dev);
 	int nr = attr->index;
-	u32 val;
+	unsigned long val;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->pwm[nr] = SENSORS_LIMIT(val, 0, 255);
@@ -709,9 +741,13 @@ store_pwm2_enable(struct device *dev, struct device_attribute *da,
 		const char *buf, size_t count)
 {
 	struct w83781d_data *data = dev_get_drvdata(dev);
-	u32 val, reg;
+	unsigned long val;
+	u32 reg;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -761,9 +797,13 @@ store_sensor(struct device *dev, struct device_attribute *da,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	struct w83781d_data *data = dev_get_drvdata(dev);
 	int nr = attr->index;
-	u32 val, tmp;
+	unsigned long val;
+	u32 tmp;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -813,7 +853,8 @@ static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR,
 static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR,
 	show_sensor, store_sensor, 2);
 
-/* Assumes that adapter is of I2C, not ISA variety.
+/*
+ * Assumes that adapter is of I2C, not ISA variety.
  * OTHERWISE DON'T CALL THIS
  */
 static int
@@ -911,7 +952,7 @@ ERROR_SC_1:
 	&sensor_dev_attr_temp##X##_alarm.dev_attr.attr,		\
 	&sensor_dev_attr_temp##X##_beep.dev_attr.attr
 
-static struct attribute* w83781d_attributes[] = {
+static struct attribute *w83781d_attributes[] = {
 	IN_UNIT_ATTRS(0),
 	IN_UNIT_ATTRS(2),
 	IN_UNIT_ATTRS(3),
@@ -934,23 +975,58 @@ static const struct attribute_group w83781d_group = {
 	.attrs = w83781d_attributes,
 };
 
-static struct attribute *w83781d_attributes_opt[] = {
+static struct attribute *w83781d_attributes_in1[] = {
 	IN_UNIT_ATTRS(1),
+	NULL
+};
+static const struct attribute_group w83781d_group_in1 = {
+	.attrs = w83781d_attributes_in1,
+};
+
+static struct attribute *w83781d_attributes_in78[] = {
 	IN_UNIT_ATTRS(7),
 	IN_UNIT_ATTRS(8),
+	NULL
+};
+static const struct attribute_group w83781d_group_in78 = {
+	.attrs = w83781d_attributes_in78,
+};
+
+static struct attribute *w83781d_attributes_temp3[] = {
 	TEMP_UNIT_ATTRS(3),
+	NULL
+};
+static const struct attribute_group w83781d_group_temp3 = {
+	.attrs = w83781d_attributes_temp3,
+};
+
+static struct attribute *w83781d_attributes_pwm12[] = {
 	&sensor_dev_attr_pwm1.dev_attr.attr,
 	&sensor_dev_attr_pwm2.dev_attr.attr,
+	&dev_attr_pwm2_enable.attr,
+	NULL
+};
+static const struct attribute_group w83781d_group_pwm12 = {
+	.attrs = w83781d_attributes_pwm12,
+};
+
+static struct attribute *w83781d_attributes_pwm34[] = {
 	&sensor_dev_attr_pwm3.dev_attr.attr,
 	&sensor_dev_attr_pwm4.dev_attr.attr,
-	&dev_attr_pwm2_enable.attr,
+	NULL
+};
+static const struct attribute_group w83781d_group_pwm34 = {
+	.attrs = w83781d_attributes_pwm34,
+};
+
+static struct attribute *w83781d_attributes_other[] = {
 	&sensor_dev_attr_temp1_type.dev_attr.attr,
 	&sensor_dev_attr_temp2_type.dev_attr.attr,
 	&sensor_dev_attr_temp3_type.dev_attr.attr,
 	NULL
 };
-static const struct attribute_group w83781d_group_opt = {
-	.attrs = w83781d_attributes_opt,
+static const struct attribute_group w83781d_group_other = {
+	.attrs = w83781d_attributes_other,
 };
 
 /* No clean up is done on error, it's up to the caller */
@@ -959,56 +1035,23 @@ w83781d_create_files(struct device *dev, int kind, int is_isa)
 {
 	int err;
 
-	if ((err = sysfs_create_group(&dev->kobj, &w83781d_group)))
+	err = sysfs_create_group(&dev->kobj, &w83781d_group);
+	if (err)
 		return err;
 
 	if (kind != w83783s) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_in1_input.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in1_min.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in1_max.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in1_alarm.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in1_beep.dev_attr)))
+		err = sysfs_create_group(&dev->kobj, &w83781d_group_in1);
+		if (err)
 			return err;
 	}
 	if (kind != as99127f && kind != w83781d && kind != w83783s) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_in7_input.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in7_min.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in7_max.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in7_alarm.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in7_beep.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in8_input.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in8_min.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in8_max.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in8_alarm.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_in8_beep.dev_attr)))
+		err = sysfs_create_group(&dev->kobj, &w83781d_group_in78);
+		if (err)
 			return err;
 	}
 	if (kind != w83783s) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_temp3_input.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_temp3_max.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_temp3_max_hyst.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_temp3_alarm.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_temp3_beep.dev_attr)))
+		err = sysfs_create_group(&dev->kobj, &w83781d_group_temp3);
+		if (err)
 			return err;
 
 		if (kind != w83781d) {
@@ -1021,30 +1064,29 @@ w83781d_create_files(struct device *dev, int kind, int is_isa)
 	}
 
 	if (kind != w83781d && kind != as99127f) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_pwm1.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_pwm2.dev_attr))
-		    || (err = device_create_file(dev, &dev_attr_pwm2_enable)))
+		err = sysfs_create_group(&dev->kobj, &w83781d_group_pwm12);
+		if (err)
 			return err;
 	}
 	if (kind == w83782d && !is_isa) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_pwm3.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_pwm4.dev_attr)))
+		err = sysfs_create_group(&dev->kobj, &w83781d_group_pwm34);
+		if (err)
 			return err;
 	}
 
 	if (kind != as99127f && kind != w83781d) {
-		if ((err = device_create_file(dev,
-				&sensor_dev_attr_temp1_type.dev_attr))
-		    || (err = device_create_file(dev,
-				&sensor_dev_attr_temp2_type.dev_attr)))
+		err = device_create_file(dev,
+					 &sensor_dev_attr_temp1_type.dev_attr);
+		if (err)
+			return err;
+		err = device_create_file(dev,
+					 &sensor_dev_attr_temp2_type.dev_attr);
+		if (err)
 			return err;
 		if (kind != w83783s) {
-			if ((err = device_create_file(dev,
-					&sensor_dev_attr_temp3_type.dev_attr)))
+			err = device_create_file(dev,
+					&sensor_dev_attr_temp3_type.dev_attr);
+			if (err)
 				return err;
 		}
 	}
@@ -1066,9 +1108,11 @@ w83781d_detect(struct i2c_client *client, struct i2c_board_info *info)
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
 
-	/* We block updates of the ISA device to minimize the risk of
-	   concurrent access to the same W83781D chip through different
-	   interfaces. */
+	/*
+	 * We block updates of the ISA device to minimize the risk of
+	 * concurrent access to the same W83781D chip through different
+	 * interfaces.
+	 */
 	if (isa)
 		mutex_lock(&isa->update_lock);
 
@@ -1083,15 +1127,17 @@ w83781d_detect(struct i2c_client *client, struct i2c_board_info *info)
 	/* Check for Winbond or Asus ID if in bank 0 */
 	if (!(val1 & 0x07) &&
 	    ((!(val1 & 0x80) && val2 != 0xa3 && val2 != 0xc3) ||
-	     ( (val1 & 0x80) && val2 != 0x5c && val2 != 0x12))) {
+	     ((val1 & 0x80) && val2 != 0x5c && val2 != 0x12))) {
 		dev_dbg(&adapter->dev,
 			"Detection of w83781d chip failed at step 4\n");
 		goto err_nodev;
 	}
-	/* If Winbond SMBus, check address at 0x48.
-	   Asus doesn't support, except for as99127f rev.2 */
+	/*
+	 * If Winbond SMBus, check address at 0x48.
+	 * Asus doesn't support, except for as99127f rev.2
+	 */
 	if ((!(val1 & 0x80) && val2 == 0xa3) ||
-	    ( (val1 & 0x80) && val2 == 0x5c)) {
+	    ((val1 & 0x80) && val2 == 0x5c)) {
 		if (i2c_smbus_read_byte_data(client, W83781D_REG_I2C_ADDR)
 		    != address) {
 			dev_dbg(&adapter->dev,
@@ -1149,6 +1195,17 @@ w83781d_detect(struct i2c_client *client, struct i2c_board_info *info)
 	return -ENODEV;
 }
 
+static void w83781d_remove_files(struct device *dev)
+{
+	sysfs_remove_group(&dev->kobj, &w83781d_group);
+	sysfs_remove_group(&dev->kobj, &w83781d_group_in1);
+	sysfs_remove_group(&dev->kobj, &w83781d_group_in78);
+	sysfs_remove_group(&dev->kobj, &w83781d_group_temp3);
+	sysfs_remove_group(&dev->kobj, &w83781d_group_pwm12);
+	sysfs_remove_group(&dev->kobj, &w83781d_group_pwm34);
+	sysfs_remove_group(&dev->kobj, &w83781d_group_other);
+}
+
 static int
 w83781d_probe(struct i2c_client *client, const struct i2c_device_id *id)
 {
@@ -1191,9 +1248,7 @@ w83781d_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	return 0;
 
 ERROR4:
-	sysfs_remove_group(&dev->kobj, &w83781d_group);
-	sysfs_remove_group(&dev->kobj, &w83781d_group_opt);
-
+	w83781d_remove_files(dev);
 	if (data->lm75[0])
 		i2c_unregister_device(data->lm75[0]);
 	if (data->lm75[1])
@@ -1211,9 +1266,7 @@ w83781d_remove(struct i2c_client *client)
 	struct device *dev = &client->dev;
 
 	hwmon_device_unregister(data->hwmon_dev);
-
-	sysfs_remove_group(&dev->kobj, &w83781d_group);
-	sysfs_remove_group(&dev->kobj, &w83781d_group_opt);
+	w83781d_remove_files(dev);
 
 	if (data->lm75[0])
 		i2c_unregister_device(data->lm75[0]);
@@ -1310,35 +1363,47 @@ w83781d_init_device(struct device *dev)
 	int type = data->type;
 	u8 tmp;
 
-	if (reset && type != as99127f) { /* this resets registers we don't have
-					   documentation for on the as99127f */
-		/* Resetting the chip has been the default for a long time,
-		   but it causes the BIOS initializations (fan clock dividers,
-		   thermal sensor types...) to be lost, so it is now optional.
-		   It might even go away if nobody reports it as being useful,
-		   as I see very little reason why this would be needed at
-		   all. */
+	if (reset && type != as99127f) { /*
+					  * this resets registers we don't have
+					  * documentation for on the as99127f
+					  */
+		/*
+		 * Resetting the chip has been the default for a long time,
+		 * but it causes the BIOS initializations (fan clock dividers,
+		 * thermal sensor types...) to be lost, so it is now optional.
+		 * It might even go away if nobody reports it as being useful,
+		 * as I see very little reason why this would be needed at
+		 * all.
+		 */
 		dev_info(dev, "If reset=1 solved a problem you were "
 			 "having, please report!\n");
 
 		/* save these registers */
 		i = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG);
 		p = w83781d_read_value(data, W83781D_REG_PWMCLK12);
-		/* Reset all except Watchdog values and last conversion values
-		   This sets fan-divs to 2, among others */
+		/*
+		 * Reset all except Watchdog values and last conversion values
+		 * This sets fan-divs to 2, among others
+		 */
 		w83781d_write_value(data, W83781D_REG_CONFIG, 0x80);
-		/* Restore the registers and disable power-on abnormal beep.
-		   This saves FAN 1/2/3 input/output values set by BIOS. */
+		/*
+		 * Restore the registers and disable power-on abnormal beep.
+		 * This saves FAN 1/2/3 input/output values set by BIOS.
+		 */
 		w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80);
 		w83781d_write_value(data, W83781D_REG_PWMCLK12, p);
-		/* Disable master beep-enable (reset turns it on).
-		   Individual beep_mask should be reset to off but for some reason
-		   disabling this bit helps some people not get beeped */
+		/*
+		 * Disable master beep-enable (reset turns it on).
+		 * Individual beep_mask should be reset to off but for some
+		 * reason disabling this bit helps some people not get beeped
+		 */
 		w83781d_write_value(data, W83781D_REG_BEEP_INTS2, 0);
 	}
 
-	/* Disable power-on abnormal beep, as advised by the datasheet.
-	   Already done if reset=1. */
+	/*
+	 * Disable power-on abnormal beep, as advised by the datasheet.
+	 * Already done if reset=1.
+	 */
 	if (init && !reset && type != as99127f) {
 		i = w83781d_read_value(data, W83781D_REG_BEEP_CONFIG);
 		w83781d_write_value(data, W83781D_REG_BEEP_CONFIG, i | 0x80);
@@ -1444,7 +1509,7 @@ static struct w83781d_data *w83781d_update_device(struct device *dev)
 			}
 			/* Only PWM2 can be disabled */
 			data->pwm2_enable = (w83781d_read_value(data,
-					      W83781D_REG_PWMCLK12) & 0x08) >> 3;
+					     W83781D_REG_PWMCLK12) & 0x08) >> 3;
 		}
 
 		data->temp = w83781d_read_value(data, W83781D_REG_TEMP(1));
@@ -1495,8 +1560,10 @@ static struct w83781d_data *w83781d_update_device(struct device *dev)
 				     | (w83781d_read_value(data,
 						W83782D_REG_ALARM2) << 8);
 		} else {
-			/* No real-time status registers, fall back to
-			   interrupt status registers */
+			/*
+			 * No real-time status registers, fall back to
+			 * interrupt status registers
+			 */
 			data->alarms = w83781d_read_value(data,
 						W83781D_REG_ALARM1)
 				     | (w83781d_read_value(data,
@@ -1550,8 +1617,10 @@ static struct platform_device *pdev;
 
 static unsigned short isa_address = 0x290;
 
-/* I2C devices get this name attribute automatically, but for ISA devices
-   we must create it by ourselves. */
+/*
+ * I2C devices get this name attribute automatically, but for ISA devices
+ * we must create it by ourselves.
+ */
 static ssize_t
 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
 {
@@ -1581,8 +1650,10 @@ static int w83781d_alias_detect(struct i2c_client *client, u8 chipid)
 	if (w83781d_read_value(isa, W83781D_REG_WCHIPID) != chipid)
 		return 0;	/* Chip type doesn't match */
 
-	/* We compare all the limit registers, the config register and the
-	 * interrupt mask registers */
+	/*
+	 * We compare all the limit registers, the config register and the
+	 * interrupt mask registers
+	 */
 	for (i = 0x2b; i <= 0x3d; i++) {
 		if (w83781d_read_value(isa, i) !=
 		    i2c_smbus_read_byte_data(client, i))
@@ -1663,12 +1734,14 @@ w83781d_write_value_isa(struct w83781d_data *data, u16 reg, u16 value)
 	}
 }
 
-/* The SMBus locks itself, usually, but nothing may access the Winbond between
-   bank switches. ISA access must always be locked explicitly!
-   We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks,
-   would slow down the W83781D access and should not be necessary.
-   There are some ugly typecasts here, but the good news is - they should
-   nowhere else be necessary! */
+/*
+ * The SMBus locks itself, usually, but nothing may access the Winbond between
+ * bank switches. ISA access must always be locked explicitly!
+ * We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks,
+ * would slow down the W83781D access and should not be necessary.
+ * There are some ugly typecasts here, but the good news is - they should
+ * nowhere else be necessary!
+ */
 static int
 w83781d_read_value(struct w83781d_data *data, u16 reg)
 {
@@ -1754,8 +1827,7 @@ w83781d_isa_probe(struct platform_device *pdev)
 	return 0;
 
  exit_remove_files:
-	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group);
-	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt);
+	w83781d_remove_files(&pdev->dev);
 	device_remove_file(&pdev->dev, &dev_attr_name);
 	kfree(data);
  exit_release_region:
@@ -1770,8 +1842,7 @@ w83781d_isa_remove(struct platform_device *pdev)
 	struct w83781d_data *data = platform_get_drvdata(pdev);
 
 	hwmon_device_unregister(data->hwmon_dev);
-	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group);
-	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt);
+	w83781d_remove_files(&pdev->dev);
 	device_remove_file(&pdev->dev, &dev_attr_name);
 	release_region(data->isa_addr + W83781D_ADDR_REG_OFFSET, 2);
 	kfree(data);
@@ -1795,9 +1866,11 @@ w83781d_isa_found(unsigned short address)
 	int val, save, found = 0;
 	int port;
 
-	/* Some boards declare base+0 to base+7 as a PNP device, some base+4
+	/*
+	 * Some boards declare base+0 to base+7 as a PNP device, some base+4
 	 * to base+7 and some base+5 to base+6. So we better request each port
-	 * individually for the probing phase. */
+	 * individually for the probing phase.
+	 */
 	for (port = address; port < address + W83781D_EXTENT; port++) {
 		if (!request_region(port, 1, "w83781d")) {
 			pr_debug("Failed to request port 0x%x\n", port);
@@ -1806,8 +1879,10 @@ w83781d_isa_found(unsigned short address)
 	}
 
 #define REALLY_SLOW_IO
-	/* We need the timeouts for at least some W83781D-like
-	   chips. But only if we read 'undefined' registers. */
+	/*
+	 * We need the timeouts for at least some W83781D-like
+	 * chips. But only if we read 'undefined' registers.
+	 */
 	val = inb_p(address + 1);
 	if (inb_p(address + 2) != val
 	 || inb_p(address + 3) != val
@@ -1817,8 +1892,10 @@ w83781d_isa_found(unsigned short address)
 	}
 #undef REALLY_SLOW_IO
 
-	/* We should be able to change the 7 LSB of the address port. The
-	   MSB (busy flag) should be clear initially, set after the write. */
+	/*
+	 * We should be able to change the 7 LSB of the address port. The
+	 * MSB (busy flag) should be clear initially, set after the write.
+	 */
 	save = inb_p(address + W83781D_ADDR_REG_OFFSET);
 	if (save & 0x80) {
 		pr_debug("Detection failed at step %d\n", 2);
@@ -2004,8 +2081,10 @@ sensors_w83781d_init(void)
 {
 	int res;
 
-	/* We register the ISA device first, so that we can skip the
-	 * registration of an I2C interface to the same device. */
+	/*
+	 * We register the ISA device first, so that we can skip the
+	 * registration of an I2C interface to the same device.
+	 */
 	res = w83781d_isa_register();
 	if (res)
 		goto exit;
diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index 35aa5149307a..2f446f92acf2 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -1,36 +1,36 @@
 /*
-    w83791d.c - Part of lm_sensors, Linux kernel modules for hardware
-                monitoring
-
-    Copyright (C) 2006-2007 Charles Spirakis <bezaur@gmail.com>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * w83791d.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	       monitoring
+ *
+ * Copyright (C) 2006-2007 Charles Spirakis <bezaur@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 /*
-    Supports following chips:
-
-    Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
-    w83791d	10	5	5	3	0x71	0x5ca3	yes	no
-
-    The w83791d chip appears to be part way between the 83781d and the
-    83792d. Thus, this file is derived from both the w83792d.c and
-    w83781d.c files.
-
-    The w83791g chip is the same as the w83791d but lead-free.
-*/
+ * Supports following chips:
+ *
+ * Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
+ * w83791d	10	5	5	3	0x71	0x5ca3	yes	no
+ *
+ * The w83791d chip appears to be part way between the 83781d and the
+ * 83792d. Thus, this file is derived from both the w83792d.c and
+ * w83781d.c files.
+ *
+ * The w83791g chip is the same as the w83791d but lead-free.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -198,10 +198,12 @@ static const u8 W83791D_REG_BEEP_CTRL[3] = {
 #define W83791D_REG_VBAT		0x5D
 #define W83791D_REG_I2C_ADDR		0x48
 
-/* The SMBus locks itself. The Winbond W83791D has a bank select register
-   (index 0x4e), but the driver only accesses registers in bank 0. Since
-   we don't switch banks, we don't need any special code to handle
-   locking access between bank switches */
+/*
+ * The SMBus locks itself. The Winbond W83791D has a bank select register
+ * (index 0x4e), but the driver only accesses registers in bank 0. Since
+ * we don't switch banks, we don't need any special code to handle
+ * locking access between bank switches
+ */
 static inline int w83791d_read(struct i2c_client *client, u8 reg)
 {
 	return i2c_smbus_read_byte_data(client, reg);
@@ -212,9 +214,11 @@ static inline int w83791d_write(struct i2c_client *client, u8 reg, u8 value)
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-/* The analog voltage inputs have 16mV LSB. Since the sysfs output is
-   in mV as would be measured on the chip input pin, need to just
-   multiply/divide by 16 to translate from/to register values. */
+/*
+ * The analog voltage inputs have 16mV LSB. Since the sysfs output is
+ * in mV as would be measured on the chip input pin, need to just
+ * multiply/divide by 16 to translate from/to register values.
+ */
 #define IN_TO_REG(val)		(SENSORS_LIMIT((((val) + 8) / 16), 0, 255))
 #define IN_FROM_REG(val)	((val) * 16)
 
@@ -226,7 +230,7 @@ static u8 fan_to_reg(long rpm, int div)
 	return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 }
 
-#define FAN_FROM_REG(val,div)	((val) == 0   ? -1 : \
+#define FAN_FROM_REG(val, div)	((val) == 0 ? -1 : \
 				((val) == 255 ? 0 : \
 					1350000 / ((val) * (div))))
 
@@ -237,10 +241,12 @@ static u8 fan_to_reg(long rpm, int div)
 				 (val) < 0 ? ((val) - 500) / 1000 : \
 				 ((val) + 500) / 1000)
 
-/* for temp2 and temp3 which are 9-bit resolution, LSB = 0.5 degree Celsius
-   Assumes the top 8 bits are the integral amount and the bottom 8 bits
-   are the fractional amount. Since we only have 0.5 degree resolution,
-   the bottom 7 bits will always be zero */
+/*
+ * for temp2 and temp3 which are 9-bit resolution, LSB = 0.5 degree Celsius
+ * Assumes the top 8 bits are the integral amount and the bottom 8 bits
+ * are the fractional amount. Since we only have 0.5 degree resolution,
+ * the bottom 7 bits will always be zero
+ */
 #define TEMP23_FROM_REG(val)	((val) / 128 * 500)
 #define TEMP23_TO_REG(val)	((val) <= -128000 ? 0x8000 : \
 				 (val) >= 127500 ? 0x7F80 : \
@@ -300,17 +306,19 @@ struct w83791d_data {
 
 	s8 temp1[3];		/* current, over, thyst */
 	s16 temp_add[2][3];	/* fixed point value. Top 8 bits are the
-				   integral part, bottom 8 bits are the
-				   fractional part. We only use the top
-				   9 bits as the resolution is only
-				   to the 0.5 degree C...
-				   two sensors with three values
-				   (cur, over, hyst)  */
+				 * integral part, bottom 8 bits are the
+				 * fractional part. We only use the top
+				 * 9 bits as the resolution is only
+				 * to the 0.5 degree C...
+				 * two sensors with three values
+				 * (cur, over, hyst)
+				 */
 
 	/* PWMs */
 	u8 pwm[5];		/* pwm duty cycle */
 	u8 pwm_enable[3];	/* pwm enable status for fan 1-3
-					(fan 4-5 only support manual mode) */
+				 * (fan 4-5 only support manual mode)
+				 */
 
 	u8 temp_target[3];	/* pwm 1-3 target temperature */
 	u8 temp_tolerance[3];	/* pwm 1-3 temperature tolerance */
@@ -366,7 +374,7 @@ static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
 						to_sensor_dev_attr(attr); \
 	struct w83791d_data *data = w83791d_update_device(dev); \
 	int nr = sensor_attr->index; \
-	return sprintf(buf,"%d\n", IN_FROM_REG(data->reg[nr])); \
+	return sprintf(buf, "%d\n", IN_FROM_REG(data->reg[nr])); \
 }
 
 show_in_reg(in);
@@ -382,9 +390,11 @@ static ssize_t store_in_##reg(struct device *dev, \
 						to_sensor_dev_attr(attr); \
 	struct i2c_client *client = to_i2c_client(dev); \
 	struct w83791d_data *data = i2c_get_clientdata(client); \
-	unsigned long val = simple_strtoul(buf, NULL, 10); \
 	int nr = sensor_attr->index; \
-	 \
+	unsigned long val; \
+	int err = kstrtoul(buf, 10, &val); \
+	if (err) \
+		return err; \
 	mutex_lock(&data->update_lock); \
 	data->in_##reg[nr] = IN_TO_REG(val); \
 	w83791d_write(client, W83791D_REG_IN_##REG[nr], data->in_##reg[nr]); \
@@ -455,7 +465,14 @@ static ssize_t store_beep(struct device *dev, struct device_attribute *attr,
 	struct w83791d_data *data = i2c_get_clientdata(client);
 	int bitnr = sensor_attr->index;
 	int bytenr = bitnr / 8;
-	long val = simple_strtol(buf, NULL, 10) ? 1 : 0;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	val = val ? 1 : 0;
 
 	mutex_lock(&data->update_lock);
 
@@ -485,8 +502,10 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1);
 }
 
-/* Note: The bitmask for the beep enable/disable is different than
-   the bitmask for the alarm. */
+/*
+ * Note: The bitmask for the beep enable/disable is different than
+ * the bitmask for the alarm.
+ */
 static struct sensor_device_attribute sda_in_beep[] = {
 	SENSOR_ATTR(in0_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 0),
 	SENSOR_ATTR(in1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 13),
@@ -521,7 +540,7 @@ static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
 						to_sensor_dev_attr(attr); \
 	struct w83791d_data *data = w83791d_update_device(dev); \
 	int nr = sensor_attr->index; \
-	return sprintf(buf,"%d\n", \
+	return sprintf(buf, "%d\n", \
 		FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \
 }
 
@@ -534,8 +553,13 @@ static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr,
 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83791d_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
 	int nr = sensor_attr->index;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = fan_to_reg(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -554,10 +578,12 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr]));
 }
 
-/* Note: we save and restore the fan minimum here, because its value is
-   determined in part by the fan divisor.  This follows the principle of
-   least surprise; the user doesn't expect the fan minimum to change just
-   because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor.  This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
 static ssize_t store_fan_div(struct device *dev, struct device_attribute *attr,
 				const char *buf, size_t count)
 {
@@ -572,12 +598,18 @@ static ssize_t store_fan_div(struct device *dev, struct device_attribute *attr,
 	int indx = 0;
 	u8 keep_mask = 0;
 	u8 new_shift = 0;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	/* Save fan_min */
 	min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr]));
 
 	mutex_lock(&data->update_lock);
-	data->fan_div[nr] = div_to_reg(nr, simple_strtoul(buf, NULL, 10));
+	data->fan_div[nr] = div_to_reg(nr, val);
 
 	switch (nr) {
 	case 0:
@@ -918,8 +950,13 @@ static ssize_t store_temp1(struct device *dev, struct device_attribute *devattr,
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83791d_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
 	int nr = attr->index;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp1[nr] = TEMP1_TO_REG(val);
@@ -946,10 +983,15 @@ static ssize_t store_temp23(struct device *dev,
 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83791d_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
 	int nr = attr->nr;
 	int index = attr->index;
 
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
+
 	mutex_lock(&data->update_lock);
 	data->temp_add[nr][index] = TEMP23_TO_REG(val);
 	w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2],
@@ -985,8 +1027,10 @@ static struct sensor_device_attribute_2 sda_temp_max_hyst[] = {
 			show_temp23, store_temp23, 1, 2),
 };
 
-/* Note: The bitmask for the beep enable/disable is different than
-   the bitmask for the alarm. */
+/*
+ * Note: The bitmask for the beep enable/disable is different than
+ * the bitmask for the alarm.
+ */
 static struct sensor_device_attribute sda_temp_beep[] = {
 	SENSOR_ATTR(temp1_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 4),
 	SENSOR_ATTR(temp2_beep, S_IWUSR | S_IRUGO, show_beep, store_beep, 5),
@@ -1035,13 +1079,20 @@ static ssize_t store_beep_mask(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83791d_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
 	int i;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
-	/* The beep_enable state overrides any enabling request from
-	   the masks */
+	/*
+	 * The beep_enable state overrides any enabling request from
+	 * the masks
+	 */
 	data->beep_mask = BEEP_MASK_TO_REG(val) & ~GLOBAL_BEEP_ENABLE_MASK;
 	data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT);
 
@@ -1063,7 +1114,12 @@ static ssize_t store_beep_enable(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83791d_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 
@@ -1073,8 +1129,10 @@ static ssize_t store_beep_enable(struct device *dev,
 	data->beep_mask &= ~GLOBAL_BEEP_ENABLE_MASK;
 	data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT);
 
-	/* The global control is in the second beep control register
-	   so only need to update that register */
+	/*
+	 * The global control is in the second beep control register
+	 * so only need to update that register
+	 */
 	val = (data->beep_mask >> 8) & 0xff;
 
 	w83791d_write(client, W83791D_REG_BEEP_CTRL[1], val);
@@ -1113,36 +1171,44 @@ static ssize_t store_vrm_reg(struct device *dev,
 				const char *buf, size_t count)
 {
 	struct w83791d_data *data = dev_get_drvdata(dev);
+	unsigned long val;
+	int err;
+
+	/*
+	 * No lock needed as vrm is internal to the driver
+	 * (not read from a chip register) and so is not
+	 * updated in w83791d_update_device()
+	 */
 
-	/* No lock needed as vrm is internal to the driver
-	   (not read from a chip register) and so is not
-	   updated in w83791d_update_device() */
-	data->vrm = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
+	data->vrm = val;
 	return count;
 }
 
 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 
 #define IN_UNIT_ATTRS(X) \
-	&sda_in_input[X].dev_attr.attr, \
-	&sda_in_min[X].dev_attr.attr,   \
-	&sda_in_max[X].dev_attr.attr,   \
-	&sda_in_beep[X].dev_attr.attr,  \
+	&sda_in_input[X].dev_attr.attr,	\
+	&sda_in_min[X].dev_attr.attr,	\
+	&sda_in_max[X].dev_attr.attr,	\
+	&sda_in_beep[X].dev_attr.attr,	\
 	&sda_in_alarm[X].dev_attr.attr
 
 #define FAN_UNIT_ATTRS(X) \
-	&sda_fan_input[X].dev_attr.attr,        \
-	&sda_fan_min[X].dev_attr.attr,          \
-	&sda_fan_div[X].dev_attr.attr,          \
-	&sda_fan_beep[X].dev_attr.attr,         \
+	&sda_fan_input[X].dev_attr.attr,	\
+	&sda_fan_min[X].dev_attr.attr,		\
+	&sda_fan_div[X].dev_attr.attr,		\
+	&sda_fan_beep[X].dev_attr.attr,		\
 	&sda_fan_alarm[X].dev_attr.attr
 
 #define TEMP_UNIT_ATTRS(X) \
-	&sda_temp_input[X].dev_attr.attr,       \
-	&sda_temp_max[X].dev_attr.attr,         \
-	&sda_temp_max_hyst[X].dev_attr.attr,    \
-	&sda_temp_beep[X].dev_attr.attr,        \
+	&sda_temp_input[X].dev_attr.attr,	\
+	&sda_temp_max[X].dev_attr.attr,		\
+	&sda_temp_max_hyst[X].dev_attr.attr,	\
+	&sda_temp_beep[X].dev_attr.attr,	\
 	&sda_temp_alarm[X].dev_attr.attr
 
 static struct attribute *w83791d_attributes[] = {
@@ -1186,9 +1252,11 @@ static const struct attribute_group w83791d_group = {
 	.attrs = w83791d_attributes,
 };
 
-/* Separate group of attributes for fan/pwm 4-5. Their pins can also be
-   in use for GPIO in which case their sysfs-interface should not be made
-   available */
+/*
+ * Separate group of attributes for fan/pwm 4-5. Their pins can also be
+ * in use for GPIO in which case their sysfs-interface should not be made
+ * available
+ */
 static struct attribute *w83791d_attributes_fanpwm45[] = {
 	FAN_UNIT_ATTRS(3),
 	FAN_UNIT_ATTRS(4),
@@ -1228,9 +1296,8 @@ static int w83791d_detect_subclients(struct i2c_client *client)
 	}
 
 	val = w83791d_read(client, W83791D_REG_I2C_SUBADDR);
-	if (!(val & 0x08)) {
+	if (!(val & 0x08))
 		data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (val & 0x7));
-	}
 	if (!(val & 0x80)) {
 		if ((data->lm75[0] != NULL) &&
 				((val & 0x7) == ((val >> 4) & 0x7))) {
@@ -1265,9 +1332,8 @@ static int w83791d_detect(struct i2c_client *client,
 	int val1, val2;
 	unsigned short address = client->addr;
 
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
-	}
 
 	if (w83791d_read(client, W83791D_REG_CONFIG) & 0x80)
 		return -ENODEV;
@@ -1277,12 +1343,14 @@ static int w83791d_detect(struct i2c_client *client,
 	/* Check for Winbond ID if in bank 0 */
 	if (!(val1 & 0x07)) {
 		if ((!(val1 & 0x80) && val2 != 0xa3) ||
-		    ( (val1 & 0x80) && val2 != 0x5c)) {
+		    ((val1 & 0x80) && val2 != 0x5c)) {
 			return -ENODEV;
 		}
 	}
-	/* If Winbond chip, address of chip and W83791D_REG_I2C_ADDR
-	   should match */
+	/*
+	 * If Winbond chip, address of chip and W83791D_REG_I2C_ADDR
+	 * should match
+	 */
 	if (w83791d_read(client, W83791D_REG_I2C_ADDR) != address)
 		return -ENODEV;
 
@@ -1332,14 +1400,16 @@ static int w83791d_probe(struct i2c_client *client,
 	/* Initialize the chip */
 	w83791d_init_client(client);
 
-	/* If the fan_div is changed, make sure there is a rational
-	   fan_min in place */
-	for (i = 0; i < NUMBER_OF_FANIN; i++) {
+	/*
+	 * If the fan_div is changed, make sure there is a rational
+	 * fan_min in place
+	 */
+	for (i = 0; i < NUMBER_OF_FANIN; i++)
 		data->fan_min[i] = w83791d_read(client, W83791D_REG_FAN_MIN[i]);
-	}
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &w83791d_group)))
+	err = sysfs_create_group(&client->dev.kobj, &w83791d_group);
+	if (err)
 		goto error3;
 
 	/* Check if pins of fan/pwm 4-5 are in use as GPIO */
@@ -1398,19 +1468,20 @@ static void w83791d_init_client(struct i2c_client *client)
 	u8 tmp;
 	u8 old_beep;
 
-	/* The difference between reset and init is that reset
-	   does a hard reset of the chip via index 0x40, bit 7,
-	   but init simply forces certain registers to have "sane"
-	   values. The hope is that the BIOS has done the right
-	   thing (which is why the default is reset=0, init=0),
-	   but if not, reset is the hard hammer and init
-	   is the soft mallet both of which are trying to whack
-	   things into place...
-	   NOTE: The data sheet makes a distinction between
-	   "power on defaults" and "reset by MR". As far as I can tell,
-	   the hard reset puts everything into a power-on state so I'm
-	   not sure what "reset by MR" means or how it can happen.
-	   */
+	/*
+	 * The difference between reset and init is that reset
+	 * does a hard reset of the chip via index 0x40, bit 7,
+	 * but init simply forces certain registers to have "sane"
+	 * values. The hope is that the BIOS has done the right
+	 * thing (which is why the default is reset=0, init=0),
+	 * but if not, reset is the hard hammer and init
+	 * is the soft mallet both of which are trying to whack
+	 * things into place...
+	 * NOTE: The data sheet makes a distinction between
+	 * "power on defaults" and "reset by MR". As far as I can tell,
+	 * the hard reset puts everything into a power-on state so I'm
+	 * not sure what "reset by MR" means or how it can happen.
+	 */
 	if (reset || init) {
 		/* keep some BIOS settings when we... */
 		old_beep = w83791d_read(client, W83791D_REG_BEEP_CONFIG);
@@ -1494,8 +1565,10 @@ static struct w83791d_data *w83791d_update_device(struct device *dev)
 		data->fan_div[3] = reg_array_tmp[2] & 0x07;
 		data->fan_div[4] = (reg_array_tmp[2] >> 4) & 0x07;
 
-		/* The fan divisor for fans 0-2 get bit 2 from
-		   bits 5-7 respectively of vbat register */
+		/*
+		 * The fan divisor for fans 0-2 get bit 2 from
+		 * bits 5-7 respectively of vbat register
+		 */
 		vbat_reg = w83791d_read(client, W83791D_REG_VBAT);
 		for (i = 0; i < 3; i++)
 			data->fan_div[i] |= (vbat_reg >> (3 + i)) & 0x04;
@@ -1601,12 +1674,13 @@ static void w83791d_print_debug(struct w83791d_data *data, struct device *dev)
 		dev_dbg(dev, "fan_div[%d] is: 0x%02x\n", i, data->fan_div[i]);
 	}
 
-	/* temperature math is signed, but only print out the
-	   bits that matter */
+	/*
+	 * temperature math is signed, but only print out the
+	 * bits that matter
+	 */
 	dev_dbg(dev, "%d set of Temperatures: ===>\n", NUMBER_OF_TEMPIN);
-	for (i = 0; i < 3; i++) {
+	for (i = 0; i < 3; i++)
 		dev_dbg(dev, "temp1[%d] is: 0x%02x\n", i, (u8) data->temp1[i]);
-	}
 	for (i = 0; i < 2; i++) {
 		for (j = 0; j < 3; j++) {
 			dev_dbg(dev, "temp_add[%d][%d] is: 0x%04x\n", i, j,
@@ -1625,19 +1699,8 @@ static void w83791d_print_debug(struct w83791d_data *data, struct device *dev)
 }
 #endif
 
-static int __init sensors_w83791d_init(void)
-{
-	return i2c_add_driver(&w83791d_driver);
-}
-
-static void __exit sensors_w83791d_exit(void)
-{
-	i2c_del_driver(&w83791d_driver);
-}
+module_i2c_driver(w83791d_driver);
 
 MODULE_AUTHOR("Charles Spirakis <bezaur@gmail.com>");
 MODULE_DESCRIPTION("W83791D driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_w83791d_init);
-module_exit(sensors_w83791d_exit);
diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c
index d3100eab6b2f..ffb5fdfecf0d 100644
--- a/drivers/hwmon/w83792d.c
+++ b/drivers/hwmon/w83792d.c
@@ -1,39 +1,39 @@
 /*
-    w83792d.c - Part of lm_sensors, Linux kernel modules for hardware
-                monitoring
-    Copyright (C) 2004, 2005 Winbond Electronics Corp.
-                        Chunhao Huang <DZShen@Winbond.com.tw>,
-                        Rudolf Marek <r.marek@assembler.cz>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-    Note:
-    1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver.
-    2. This driver is only for Winbond W83792D C version device, there
-       are also some motherboards with B version W83792D device. The
-       calculation method to in6-in7(measured value, limits) is a little
-       different between C and B version. C or B version can be identified
-       by CR[0x49h].
-*/
+ * w83792d.c - Part of lm_sensors, Linux kernel modules for hardware
+ *	       monitoring
+ * Copyright (C) 2004, 2005 Winbond Electronics Corp.
+ *			    Chunhao Huang <DZShen@Winbond.com.tw>,
+ *			    Rudolf Marek <r.marek@assembler.cz>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Note:
+ * 1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver.
+ * 2. This driver is only for Winbond W83792D C version device, there
+ *     are also some motherboards with B version W83792D device. The
+ *     calculation method to in6-in7(measured value, limits) is a little
+ *     different between C and B version. C or B version can be identified
+ *     by CR[0x49h].
+ */
 
 /*
-    Supports following chips:
-
-    Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
-    w83792d	9	7	7	3	0x7a	0x5ca3	yes	no
-*/
+ * Supports following chips:
+ *
+ * Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
+ * w83792d	9	7	7	3	0x7a	0x5ca3	yes	no
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -218,14 +218,16 @@ static const u8 W83792D_REG_LEVELS[3][4] = {
 #define W83792D_REG_VBAT		0x5D
 #define W83792D_REG_I2C_ADDR		0x48
 
-/* Conversions. Rounding and limit checking is only done on the TO_REG
-   variants. Note that you should be a bit careful with which arguments
-   these macros are called: arguments may be evaluated more than once.
-   Fixing this is just not worth it. */
-#define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \
-				((((nr)==6)||((nr)==7))?(val*6):(val*4)))
-#define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \
-				((((nr)==6)||((nr)==7))?(val/6):(val/4)))
+/*
+ * Conversions. Rounding and limit checking is only done on the TO_REG
+ * variants. Note that you should be a bit careful with which arguments
+ * these macros are called: arguments may be evaluated more than once.
+ * Fixing this is just not worth it.
+ */
+#define IN_FROM_REG(nr, val) (((nr) <= 1) ? ((val) * 2) : \
+		((((nr) == 6) || ((nr) == 7)) ? ((val) * 6) : ((val) * 4)))
+#define IN_TO_REG(nr, val) (((nr) <= 1) ? ((val) / 2) : \
+		((((nr) == 6) || ((nr) == 7)) ? ((val) / 6) : ((val) / 4)))
 
 static inline u8
 FAN_TO_REG(long rpm, int div)
@@ -236,7 +238,7 @@ FAN_TO_REG(long rpm, int div)
 	return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 }
 
-#define FAN_FROM_REG(val,div)	((val) == 0   ? -1 : \
+#define FAN_FROM_REG(val, div)	((val) == 0   ? -1 : \
 				((val) == 255 ? 0 : \
 						1350000 / ((val) * (div))))
 
@@ -265,7 +267,7 @@ DIV_TO_REG(long val)
 			break;
 		val >>= 1;
 	}
-	return ((u8) i);
+	return (u8)i;
 }
 
 struct w83792d_data {
@@ -287,8 +289,10 @@ struct w83792d_data {
 	u8 temp1[3];		/* current, over, thyst */
 	u8 temp_add[2][6];	/* Register value */
 	u8 fan_div[7];		/* Register encoding, shifted right */
-	u8 pwm[7];		/* We only consider the first 3 set of pwm,
-				   although 792 chip has 7 set of pwm. */
+	u8 pwm[7];		/*
+				 * We only consider the first 3 set of pwm,
+				 * although 792 chip has 7 set of pwm.
+				 */
 	u8 pwmenable[3];
 	u32 alarms;		/* realtime status register encoding,combined */
 	u8 chassis;		/* Chassis status */
@@ -333,12 +337,14 @@ static struct i2c_driver w83792d_driver = {
 static inline long in_count_from_reg(int nr, struct w83792d_data *data)
 {
 	/* in7 and in8 do not have low bits, but the formula still works */
-	return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03));
+	return (data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03);
 }
 
-/* The SMBus locks itself. The Winbond W83792D chip has a bank register,
-   but the driver only accesses registers in bank 0, so we don't have
-   to switch banks and lock access between switches. */
+/*
+ * The SMBus locks itself. The Winbond W83792D chip has a bank register,
+ * but the driver only accesses registers in bank 0, so we don't have
+ * to switch banks and lock access between switches.
+ */
 static inline int w83792d_read_value(struct i2c_client *client, u8 reg)
 {
 	return i2c_smbus_read_byte_data(client, reg);
@@ -357,37 +363,43 @@ static ssize_t show_in(struct device *dev, struct device_attribute *attr,
 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 	int nr = sensor_attr->index;
 	struct w83792d_data *data = w83792d_update_device(dev);
-	return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data))));
+	return sprintf(buf, "%ld\n",
+		       IN_FROM_REG(nr, in_count_from_reg(nr, data)));
 }
 
 #define show_in_reg(reg) \
 static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
 			char *buf) \
 { \
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
+	struct sensor_device_attribute *sensor_attr \
+		= to_sensor_dev_attr(attr); \
 	int nr = sensor_attr->index; \
 	struct w83792d_data *data = w83792d_update_device(dev); \
-	return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \
+	return sprintf(buf, "%ld\n", \
+		       (long)(IN_FROM_REG(nr, data->reg[nr]) * 4)); \
 }
 
 show_in_reg(in_min);
 show_in_reg(in_max);
 
 #define store_in_reg(REG, reg) \
-static ssize_t store_in_##reg (struct device *dev, \
+static ssize_t store_in_##reg(struct device *dev, \
 				struct device_attribute *attr, \
 				const char *buf, size_t count) \
 { \
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
+	struct sensor_device_attribute *sensor_attr \
+			= to_sensor_dev_attr(attr); \
 	int nr = sensor_attr->index; \
 	struct i2c_client *client = to_i2c_client(dev); \
 	struct w83792d_data *data = i2c_get_clientdata(client); \
-	u32 val; \
-	 \
-	val = simple_strtoul(buf, NULL, 10); \
+	unsigned long val; \
+	int err = kstrtoul(buf, 10, &val); \
+	if (err) \
+		return err; \
 	mutex_lock(&data->update_lock); \
-	data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \
-	w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \
+	data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val) / 4, 0, 255); \
+	w83792d_write_value(client, W83792D_REG_IN_##REG[nr], \
+			    data->in_##reg[nr]); \
 	mutex_unlock(&data->update_lock); \
 	 \
 	return count; \
@@ -396,13 +408,14 @@ store_in_reg(MIN, min);
 store_in_reg(MAX, max);
 
 #define show_fan_reg(reg) \
-static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \
+static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
 			char *buf) \
 { \
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \
+	struct sensor_device_attribute *sensor_attr \
+			= to_sensor_dev_attr(attr); \
 	int nr = sensor_attr->index - 1; \
 	struct w83792d_data *data = w83792d_update_device(dev); \
-	return sprintf(buf,"%d\n", \
+	return sprintf(buf, "%d\n", \
 		FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \
 }
 
@@ -417,9 +430,13 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index - 1;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83792d_data *data = i2c_get_clientdata(client);
-	u32 val;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtoul(buf, NULL, 10);
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 	w83792d_write_value(client, W83792D_REG_FAN_MIN[nr],
@@ -439,10 +456,12 @@ show_fan_div(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1]));
 }
 
-/* Note: we save and restore the fan minimum here, because its value is
-   determined in part by the fan divisor.  This follows the principle of
-   least surprise; the user doesn't expect the fan minimum to change just
-   because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor.  This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
 static ssize_t
 store_fan_div(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
@@ -455,13 +474,19 @@ store_fan_div(struct device *dev, struct device_attribute *attr,
 	/*u8 reg;*/
 	u8 fan_div_reg = 0;
 	u8 tmp_fan_div;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	/* Save fan_min */
 	mutex_lock(&data->update_lock);
 	min = FAN_FROM_REG(data->fan_min[nr],
 			   DIV_FROM_REG(data->fan_div[nr]));
 
-	data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10));
+	data->fan_div[nr] = DIV_TO_REG(val);
 
 	fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]);
 	fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8;
@@ -496,9 +521,13 @@ static ssize_t store_temp1(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83792d_data *data = i2c_get_clientdata(client);
-	s32 val;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtol(buf, NULL, 10);
 	mutex_lock(&data->update_lock);
 	data->temp1[nr] = TEMP1_TO_REG(val);
 	w83792d_write_value(client, W83792D_REG_TEMP1[nr],
@@ -513,11 +542,12 @@ static ssize_t store_temp1(struct device *dev, struct device_attribute *attr,
 static ssize_t show_temp23(struct device *dev, struct device_attribute *attr,
 				char *buf)
 {
-	struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+	struct sensor_device_attribute_2 *sensor_attr
+	  = to_sensor_dev_attr_2(attr);
 	int nr = sensor_attr->nr;
 	int index = sensor_attr->index;
 	struct w83792d_data *data = w83792d_update_device(dev);
-	return sprintf(buf,"%ld\n",
+	return sprintf(buf, "%ld\n",
 		(long)TEMP_ADD_FROM_REG(data->temp_add[nr][index],
 			data->temp_add[nr][index+1]));
 }
@@ -525,14 +555,19 @@ static ssize_t show_temp23(struct device *dev, struct device_attribute *attr,
 static ssize_t store_temp23(struct device *dev, struct device_attribute *attr,
 				const char *buf, size_t count)
 {
-	struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+	struct sensor_device_attribute_2 *sensor_attr
+	  = to_sensor_dev_attr_2(attr);
 	int nr = sensor_attr->nr;
 	int index = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83792d_data *data = i2c_get_clientdata(client);
-	s32 val;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtol(buf, NULL, 10);
 	mutex_lock(&data->update_lock);
 	data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val);
 	data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val);
@@ -604,7 +639,13 @@ store_pwm(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83792d_data *data = i2c_get_clientdata(client);
-	u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255) >> 4;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+	val = SENSORS_LIMIT(val, 0, 255) >> 4;
 
 	mutex_lock(&data->update_lock);
 	val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0;
@@ -623,10 +664,14 @@ store_pwmenable(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index - 1;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83792d_data *data = i2c_get_clientdata(client);
-	u32 val;
 	u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtoul(buf, NULL, 10);
 	if (val < 1 || val > 3)
 		return -EINVAL;
 
@@ -645,7 +690,7 @@ store_pwmenable(struct device *dev, struct device_attribute *attr,
 	cfg1_tmp = data->pwmenable[0];
 	cfg2_tmp = (data->pwmenable[1]) << 2;
 	cfg3_tmp = (data->pwmenable[2]) << 4;
-	cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0;
+	cfg4_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG) & 0xc0;
 	fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp;
 	w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp);
 	mutex_unlock(&data->update_lock);
@@ -671,10 +716,13 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83792d_data *data = i2c_get_clientdata(client);
-	u32 val;
+	unsigned long val;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
-	if (val != 0 && val != 1)
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+	if (val > 1)
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
@@ -721,16 +769,20 @@ store_chassis_clear_legacy(struct device *dev, struct device_attribute *attr,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83792d_data *data = i2c_get_clientdata(client);
-	u32 val;
+	unsigned long val;
+	int err;
 	u8 temp1 = 0, temp2 = 0;
 
 	dev_warn(dev,
 		 "Attribute %s is deprecated, use intrusion0_alarm instead\n",
 		 "chassis_clear");
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
 	mutex_lock(&data->update_lock);
-	data->chassis_clear = SENSORS_LIMIT(val, 0 ,1);
+	data->chassis_clear = SENSORS_LIMIT(val, 0, 1);
 	temp1 = ((data->chassis_clear) << 7) & 0x80;
 	temp2 = w83792d_read_value(client,
 		W83792D_REG_CHASSIS_CLR) & 0x7f;
@@ -780,14 +832,19 @@ store_thermal_cruise(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index - 1;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83792d_data *data = i2c_get_clientdata(client);
-	u32 val;
-	u8 target_tmp=0, target_mask=0;
+	u8 target_tmp = 0, target_mask = 0;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtoul(buf, NULL, 10);
 	target_tmp = val;
 	target_tmp = target_tmp & 0x7f;
 	mutex_lock(&data->update_lock);
-	target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80;
+	target_mask = w83792d_read_value(client,
+					 W83792D_REG_THERMAL[nr]) & 0x80;
 	data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255);
 	w83792d_write_value(client, W83792D_REG_THERMAL[nr],
 		(data->thermal_cruise[nr]) | target_mask);
@@ -815,19 +872,22 @@ store_tolerance(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index - 1;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83792d_data *data = i2c_get_clientdata(client);
-	u32 val;
 	u8 tol_tmp, tol_mask;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtoul(buf, NULL, 10);
 	mutex_lock(&data->update_lock);
 	tol_mask = w83792d_read_value(client,
 		W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0);
 	tol_tmp = SENSORS_LIMIT(val, 0, 15);
 	tol_tmp &= 0x0f;
 	data->tolerance[nr] = tol_tmp;
-	if (nr == 1) {
+	if (nr == 1)
 		tol_tmp <<= 4;
-	}
 	w83792d_write_value(client, W83792D_REG_TOLERANCE[nr],
 		tol_mask | tol_tmp);
 	mutex_unlock(&data->update_lock);
@@ -840,7 +900,8 @@ static ssize_t
 show_sf2_point(struct device *dev, struct device_attribute *attr,
 		char *buf)
 {
-	struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+	struct sensor_device_attribute_2 *sensor_attr
+	  = to_sensor_dev_attr_2(attr);
 	int nr = sensor_attr->nr;
 	int index = sensor_attr->index;
 	struct w83792d_data *data = w83792d_update_device(dev);
@@ -851,15 +912,20 @@ static ssize_t
 store_sf2_point(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
-	struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+	struct sensor_device_attribute_2 *sensor_attr
+	  = to_sensor_dev_attr_2(attr);
 	int nr = sensor_attr->nr - 1;
 	int index = sensor_attr->index - 1;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83792d_data *data = i2c_get_clientdata(client);
-	u32 val;
 	u8 mask_tmp = 0;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtoul(buf, NULL, 10);
 	mutex_lock(&data->update_lock);
 	data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127);
 	mask_tmp = w83792d_read_value(client,
@@ -875,7 +941,8 @@ static ssize_t
 show_sf2_level(struct device *dev, struct device_attribute *attr,
 		char *buf)
 {
-	struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+	struct sensor_device_attribute_2 *sensor_attr
+	  = to_sensor_dev_attr_2(attr);
 	int nr = sensor_attr->nr;
 	int index = sensor_attr->index;
 	struct w83792d_data *data = w83792d_update_device(dev);
@@ -887,25 +954,30 @@ static ssize_t
 store_sf2_level(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
-	struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr);
+	struct sensor_device_attribute_2 *sensor_attr
+	  = to_sensor_dev_attr_2(attr);
 	int nr = sensor_attr->nr;
 	int index = sensor_attr->index - 1;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83792d_data *data = i2c_get_clientdata(client);
-	u32 val;
-	u8 mask_tmp=0, level_tmp=0;
+	u8 mask_tmp = 0, level_tmp = 0;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtoul(buf, NULL, 10);
 	mutex_lock(&data->update_lock);
 	data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15);
 	mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr])
-		& ((nr==3) ? 0xf0 : 0x0f);
-	if (nr==3) {
+		& ((nr == 3) ? 0xf0 : 0x0f);
+	if (nr == 3)
 		level_tmp = data->sf2_levels[index][nr];
-	} else {
+	else
 		level_tmp = data->sf2_levels[index][nr] << 4;
-	}
-	w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp);
+	w83792d_write_value(client, W83792D_REG_LEVELS[index][nr],
+			    level_tmp | mask_tmp);
 	mutex_unlock(&data->update_lock);
 
 	return count;
@@ -939,9 +1011,8 @@ w83792d_detect_subclients(struct i2c_client *new_client)
 	}
 
 	val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR);
-	if (!(val & 0x08)) {
+	if (!(val & 0x08))
 		data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (val & 0x7));
-	}
 	if (!(val & 0x80)) {
 		if ((data->lm75[0] != NULL) &&
 			((val & 0x7) == ((val >> 4) & 0x7))) {
@@ -1306,9 +1377,8 @@ w83792d_detect(struct i2c_client *client, struct i2c_board_info *info)
 	int val1, val2;
 	unsigned short address = client->addr;
 
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
-	}
 
 	if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80)
 		return -ENODEV;
@@ -1318,11 +1388,13 @@ w83792d_detect(struct i2c_client *client, struct i2c_board_info *info)
 	/* Check for Winbond ID if in bank 0 */
 	if (!(val1 & 0x07)) {  /* is Bank0 */
 		if ((!(val1 & 0x80) && val2 != 0xa3) ||
-		    ( (val1 & 0x80) && val2 != 0x5c))
+		    ((val1 & 0x80) && val2 != 0x5c))
 			return -ENODEV;
 	}
-	/* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR
-	   should match */
+	/*
+	 * If Winbond chip, address of chip and W83792D_REG_I2C_ADDR
+	 * should match
+	 */
 	if (w83792d_read_value(client, W83792D_REG_I2C_ADDR) != address)
 		return -ENODEV;
 
@@ -1374,33 +1446,40 @@ w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	}
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&dev->kobj, &w83792d_group)))
+	err = sysfs_create_group(&dev->kobj, &w83792d_group);
+	if (err)
 		goto ERROR3;
 
-	/* Read GPIO enable register to check if pins for fan 4,5 are used as
-	   GPIO */
+	/*
+	 * Read GPIO enable register to check if pins for fan 4,5 are used as
+	 * GPIO
+	 */
 	val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN);
 
-	if (!(val1 & 0x40))
-		if ((err = sysfs_create_group(&dev->kobj,
-					      &w83792d_group_fan[0])))
+	if (!(val1 & 0x40)) {
+		err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[0]);
+		if (err)
 			goto exit_remove_files;
+	}
 
-	if (!(val1 & 0x20))
-		if ((err = sysfs_create_group(&dev->kobj,
-					      &w83792d_group_fan[1])))
+	if (!(val1 & 0x20)) {
+		err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[1]);
+		if (err)
 			goto exit_remove_files;
+	}
 
 	val1 = w83792d_read_value(client, W83792D_REG_PIN);
-	if (val1 & 0x40)
-		if ((err = sysfs_create_group(&dev->kobj,
-					      &w83792d_group_fan[2])))
+	if (val1 & 0x40) {
+		err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[2]);
+		if (err)
 			goto exit_remove_files;
+	}
 
-	if (val1 & 0x04)
-		if ((err = sysfs_create_group(&dev->kobj,
-					      &w83792d_group_fan[3])))
+	if (val1 & 0x04) {
+		err = sysfs_create_group(&dev->kobj, &w83792d_group_fan[3]);
+		if (err)
 			goto exit_remove_files;
+	}
 
 	data->hwmon_dev = hwmon_device_register(dev);
 	if (IS_ERR(data->hwmon_dev)) {
@@ -1451,14 +1530,16 @@ w83792d_init_client(struct i2c_client *client)
 {
 	u8 temp2_cfg, temp3_cfg, vid_in_b;
 
-	if (init) {
+	if (init)
 		w83792d_write_value(client, W83792D_REG_CONFIG, 0x80);
-	}
-	/* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0):
-	   W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of
-	     vin0/vin1 can be modified by user;
-	   W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of
-	     vin0/vin1 auto-updated, can NOT be modified by user. */
+
+	/*
+	 * Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0):
+	 * W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of
+	 * vin0/vin1 can be modified by user;
+	 * W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of
+	 * vin0/vin1 auto-updated, can NOT be modified by user.
+	 */
 	vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B);
 	w83792d_write_value(client, W83792D_REG_VID_IN_B,
 			    vid_in_b & 0xbf);
@@ -1527,7 +1608,7 @@ static struct w83792d_data *w83792d_update_device(struct device *dev)
 		for (i = 0; i < 2; i++) {
 			for (j = 0; j < 6; j++) {
 				data->temp_add[i][j] = w83792d_read_value(
-					client,W83792D_REG_TEMP_ADD[i][j]);
+					client, W83792D_REG_TEMP_ADD[i][j]);
 			}
 		}
 
@@ -1572,8 +1653,9 @@ static struct w83792d_data *w83792d_update_device(struct device *dev)
 		/* Update Smart Fan II temperature points */
 		for (i = 0; i < 3; i++) {
 			for (j = 0; j < 4; j++) {
-				data->sf2_points[i][j] = w83792d_read_value(
-					client,W83792D_REG_POINTS[i][j]) & 0x7f;
+				data->sf2_points[i][j]
+				  = w83792d_read_value(client,
+					W83792D_REG_POINTS[i][j]) & 0x7f;
 			}
 		}
 
@@ -1605,10 +1687,10 @@ static struct w83792d_data *w83792d_update_device(struct device *dev)
 #ifdef DEBUG
 static void w83792d_print_debug(struct w83792d_data *data, struct device *dev)
 {
-	int i=0, j=0;
+	int i = 0, j = 0;
 	dev_dbg(dev, "==========The following is the debug message...========\n");
 	dev_dbg(dev, "9 set of Voltages: =====>\n");
-	for (i=0; i<9; i++) {
+	for (i = 0; i < 9; i++) {
 		dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]);
 		dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]);
 		dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]);
@@ -1616,47 +1698,32 @@ static void w83792d_print_debug(struct w83792d_data *data, struct device *dev)
 	dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff);
 	dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8);
 	dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n");
-	for (i=0; i<7; i++) {
+	for (i = 0; i < 7; i++) {
 		dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]);
 		dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]);
 		dev_dbg(dev, "pwm[%d]     is: 0x%x\n", i, data->pwm[i]);
 	}
 	dev_dbg(dev, "3 set of Temperatures: =====>\n");
-	for (i=0; i<3; i++) {
+	for (i = 0; i < 3; i++)
 		dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]);
-	}
 
-	for (i=0; i<2; i++) {
-		for (j=0; j<6; j++) {
+	for (i = 0; i < 2; i++) {
+		for (j = 0; j < 6; j++) {
 			dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j,
 							data->temp_add[i][j]);
 		}
 	}
 
-	for (i=0; i<7; i++) {
+	for (i = 0; i < 7; i++)
 		dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]);
-	}
-	dev_dbg(dev, "==========End of the debug message...==================\n");
+
+	dev_dbg(dev, "==========End of the debug message...================\n");
 	dev_dbg(dev, "\n");
 }
 #endif
 
-static int __init
-sensors_w83792d_init(void)
-{
-	return i2c_add_driver(&w83792d_driver);
-}
-
-static void __exit
-sensors_w83792d_exit(void)
-{
-	i2c_del_driver(&w83792d_driver);
-}
+module_i2c_driver(w83792d_driver);
 
 MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>");
 MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_w83792d_init);
-module_exit(sensors_w83792d_exit);
-
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index 45ec7e7c3c27..834e49d1827b 100644
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -1,34 +1,34 @@
 /*
-    w83793.c - Linux kernel driver for hardware monitoring
-    Copyright (C) 2006 Winbond Electronics Corp.
-                  Yuan Mu
-                  Rudolf Marek <r.marek@assembler.cz>
-    Copyright (C) 2009-2010 Sven Anders <anders@anduras.de>, ANDURAS AG.
-		  Watchdog driver part
-		  (Based partially on fschmd driver,
-		   Copyright 2007-2008 by Hans de Goede)
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation - version 2.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-    02110-1301 USA.
-*/
+ * w83793.c - Linux kernel driver for hardware monitoring
+ * Copyright (C) 2006 Winbond Electronics Corp.
+ *	      Yuan Mu
+ *	      Rudolf Marek <r.marek@assembler.cz>
+ * Copyright (C) 2009-2010 Sven Anders <anders@anduras.de>, ANDURAS AG.
+ *		Watchdog driver part
+ *		(Based partially on fschmd driver,
+ *		 Copyright 2007-2008 by Hans de Goede)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation - version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA.
+ */
 
 /*
-    Supports following chips:
-
-    Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
-    w83793	10	12	8	6	0x7b	0x5ca3	yes	no
-*/
+ * Supports following chips:
+ *
+ * Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
+ * w83793	10	12	8	6	0x7b	0x5ca3	yes	no
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -78,9 +78,9 @@ MODULE_PARM_DESC(nowayout,
 				__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 /*
-   Address 0x00, 0x0d, 0x0e, 0x0f in all three banks are reserved
-   as ID, Bank Select registers
-*/
+ * Address 0x00, 0x0d, 0x0e, 0x0f in all three banks are reserved
+ * as ID, Bank Select registers
+ */
 #define W83793_REG_BANKSEL		0x00
 #define W83793_REG_VENDORID		0x0d
 #define W83793_REG_CHIPID		0x0e
@@ -110,8 +110,10 @@ static u16 W83793_REG_TEMP_MODE[2] = { 0x5e, 0x5f };
 #define TEMP_CRIT_HYST	2
 #define TEMP_WARN	3
 #define TEMP_WARN_HYST	4
-/* only crit and crit_hyst affect real-time alarm status
-   current crit crit_hyst warn warn_hyst */
+/*
+ * only crit and crit_hyst affect real-time alarm status
+ * current crit crit_hyst warn warn_hyst
+ */
 static u16 W83793_REG_TEMP[][5] = {
 	{0x1c, 0x78, 0x79, 0x7a, 0x7b},
 	{0x1d, 0x7c, 0x7d, 0x7e, 0x7f},
@@ -181,7 +183,7 @@ static inline unsigned long FAN_FROM_REG(u16 val)
 {
 	if ((val >= 0xfff) || (val == 0))
 		return	0;
-	return (1350000UL / val);
+	return 1350000UL / val;
 }
 
 static inline u16 FAN_TO_REG(long rpm)
@@ -193,7 +195,7 @@ static inline u16 FAN_TO_REG(long rpm)
 
 static inline unsigned long TIME_FROM_REG(u8 reg)
 {
-	return (reg * 100);
+	return reg * 100;
 }
 
 static inline u8 TIME_TO_REG(unsigned long val)
@@ -203,7 +205,7 @@ static inline u8 TIME_TO_REG(unsigned long val)
 
 static inline long TEMP_FROM_REG(s8 reg)
 {
-	return (reg * 1000);
+	return reg * 1000;
 }
 
 static inline s8 TEMP_TO_REG(long val, s8 min, s8 max)
@@ -218,7 +220,8 @@ struct w83793_data {
 	char valid;			/* !=0 if following fields are valid */
 	unsigned long last_updated;	/* In jiffies */
 	unsigned long last_nonvolatile;	/* In jiffies, last time we update the
-					   nonvolatile registers */
+					 * nonvolatile registers
+					 */
 
 	u8 bank;
 	u8 vrm;
@@ -233,7 +236,8 @@ struct w83793_data {
 	s8 temp[6][5];		/* current, crit, crit_hyst,warn, warn_hyst */
 	u8 temp_low_bits;	/* Additional resolution TD1-TD4 */
 	u8 temp_mode[2];	/* byte 0: Temp D1-D4 mode each has 2 bits
-				   byte 1: Temp R1,R2 mode, each has 1 bit */
+				 * byte 1: Temp R1,R2 mode, each has 1 bit
+				 */
 	u8 temp_critical;	/* If reached all fan will be at full speed */
 	u8 temp_fan_map[6];	/* Temp controls which pwm fan, bit field */
 
@@ -268,17 +272,21 @@ struct w83793_data {
 	int watchdog_timeout; /* watchdog timeout in minutes */
 };
 
-/* Somewhat ugly :( global data pointer list with all devices, so that
-   we can find our device data as when using misc_register. There is no
-   other method to get to one's device data from the open file-op and
-   for usage in the reboot notifier callback. */
+/*
+ * Somewhat ugly :( global data pointer list with all devices, so that
+ * we can find our device data as when using misc_register. There is no
+ * other method to get to one's device data from the open file-op and
+ * for usage in the reboot notifier callback.
+ */
 static LIST_HEAD(watchdog_data_list);
 
 /* Note this lock not only protect list access, but also data.kref access */
 static DEFINE_MUTEX(watchdog_data_mutex);
 
-/* Release our data struct when we're detached from the i2c client *and* all
-   references to our watchdog device are released */
+/*
+ * Release our data struct when we're detached from the i2c client *and* all
+ * references to our watchdog device are released
+ */
 static void w83793_release_resources(struct kref *ref)
 {
 	struct w83793_data *data = container_of(ref, struct w83793_data, kref);
@@ -337,7 +345,14 @@ store_vrm(struct device *dev, struct device_attribute *attr,
 	  const char *buf, size_t count)
 {
 	struct w83793_data *data = dev_get_drvdata(dev);
-	data->vrm = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	data->vrm = val;
 	return count;
 }
 
@@ -354,7 +369,7 @@ show_alarm_beep(struct device *dev, struct device_attribute *attr, char *buf)
 	int bit = sensor_attr->index & 0x07;
 	u8 val;
 
-	if (ALARM_STATUS == nr) {
+	if (nr == ALARM_STATUS) {
 		val = (data->alarms[index] >> (bit)) & 1;
 	} else {		/* BEEP_ENABLE */
 		val = (data->beeps[index] >> (bit)) & 1;
@@ -374,10 +389,14 @@ store_beep(struct device *dev, struct device_attribute *attr,
 	int index = sensor_attr->index >> 3;
 	int shift = sensor_attr->index & 0x07;
 	u8 beep_bit = 1 << shift;
-	u8 val;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtoul(buf, NULL, 10);
-	if (val != 0 && val != 1)
+	if (val > 1)
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
@@ -403,9 +422,14 @@ store_beep_enable(struct device *dev, struct device_attribute *attr,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83793_data *data = i2c_get_clientdata(client);
-	u8 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
-	if (val != 0 && val != 1)
+	if (val > 1)
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
@@ -449,8 +473,12 @@ store_chassis_clear(struct device *dev,
 	struct w83793_data *data = i2c_get_clientdata(client);
 	unsigned long val;
 	u8 reg;
+	int err;
 
-	if (kstrtoul(buf, 10, &val) || val != 0)
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+	if (val)
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
@@ -473,11 +501,10 @@ show_fan(struct device *dev, struct device_attribute *attr, char *buf)
 	struct w83793_data *data = w83793_update_device(dev);
 	u16 val;
 
-	if (FAN_INPUT == nr) {
+	if (nr == FAN_INPUT)
 		val = data->fan[index] & 0x0fff;
-	} else {
+	else
 		val = data->fan_min[index] & 0x0fff;
-	}
 
 	return sprintf(buf, "%lu\n", FAN_FROM_REG(val));
 }
@@ -491,7 +518,13 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
 	int index = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83793_data *data = i2c_get_clientdata(client);
-	u16 val = FAN_TO_REG(simple_strtoul(buf, NULL, 10));
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+	val = FAN_TO_REG(val);
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[index] = val;
@@ -513,7 +546,7 @@ show_pwm(struct device *dev, struct device_attribute *attr, char *buf)
 	int nr = sensor_attr->nr;
 	int index = sensor_attr->index;
 
-	if (PWM_STOP_TIME == nr)
+	if (nr == PWM_STOP_TIME)
 		val = TIME_FROM_REG(data->pwm_stop_time[index]);
 	else
 		val = (data->pwm[index][nr] & 0x3f) << 2;
@@ -531,17 +564,21 @@ store_pwm(struct device *dev, struct device_attribute *attr,
 	    to_sensor_dev_attr_2(attr);
 	int nr = sensor_attr->nr;
 	int index = sensor_attr->index;
-	u8 val;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	if (PWM_STOP_TIME == nr) {
-		val = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
+	if (nr == PWM_STOP_TIME) {
+		val = TIME_TO_REG(val);
 		data->pwm_stop_time[index] = val;
 		w83793_write_value(client, W83793_REG_PWM_STOP_TIME(index),
 				   val);
 	} else {
-		val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff)
-		      >> 2;
+		val = SENSORS_LIMIT(val, 0, 0xff) >> 2;
 		data->pwm[index][nr] =
 		    w83793_read_value(client, W83793_REG_PWM(index, nr)) & 0xc0;
 		data->pwm[index][nr] |= val;
@@ -563,7 +600,7 @@ show_temp(struct device *dev, struct device_attribute *attr, char *buf)
 	struct w83793_data *data = w83793_update_device(dev);
 	long temp = TEMP_FROM_REG(data->temp[index][nr]);
 
-	if (TEMP_READ == nr && index < 4) {	/* Only TD1-TD4 have low bits */
+	if (nr == TEMP_READ && index < 4) {	/* Only TD1-TD4 have low bits */
 		int low = ((data->temp_low_bits >> (index * 2)) & 0x03) * 250;
 		temp += temp > 0 ? low : -low;
 	}
@@ -580,7 +617,12 @@ store_temp(struct device *dev, struct device_attribute *attr,
 	int index = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83793_data *data = i2c_get_clientdata(client);
-	long tmp = simple_strtol(buf, NULL, 10);
+	long tmp;
+	int err;
+
+	err = kstrtol(buf, 10, &tmp);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	data->temp[index][nr] = TEMP_TO_REG(tmp, -128, 127);
@@ -591,18 +633,18 @@ store_temp(struct device *dev, struct device_attribute *attr,
 }
 
 /*
-	TD1-TD4
-	each has 4 mode:(2 bits)
-	0:	Stop monitor
-	1:	Use internal temp sensor(default)
-	2:	Reserved
-	3:	Use sensor in Intel CPU and get result by PECI
-
-	TR1-TR2
-	each has 2 mode:(1 bit)
-	0:	Disable temp sensor monitor
-	1:	To enable temp sensors monitor
-*/
+ * TD1-TD4
+ * each has 4 mode:(2 bits)
+ * 0:	Stop monitor
+ * 1:	Use internal temp sensor(default)
+ * 2:	Reserved
+ * 3:	Use sensor in Intel CPU and get result by PECI
+ *
+ * TR1-TR2
+ * each has 2 mode:(1 bit)
+ * 0:	Disable temp sensor monitor
+ * 1:	To enable temp sensors monitor
+ */
 
 /* 0 disable, 6 PECI */
 static u8 TO_TEMP_MODE[] = { 0, 0, 0, 6 };
@@ -622,11 +664,10 @@ show_temp_mode(struct device *dev, struct device_attribute *attr, char *buf)
 	tmp = (data->temp_mode[index] >> shift) & mask;
 
 	/* for the internal sensor, found out if diode or thermistor */
-	if (tmp == 1) {
+	if (tmp == 1)
 		tmp = index == 0 ? 3 : 4;
-	} else {
+	else
 		tmp = TO_TEMP_MODE[tmp];
-	}
 
 	return sprintf(buf, "%d\n", tmp);
 }
@@ -642,7 +683,12 @@ store_temp_mode(struct device *dev, struct device_attribute *attr,
 	int index = sensor_attr->index;
 	u8 mask = (index < 4) ? 0x03 : 0x01;
 	u8 shift = (index < 4) ? (2 * index) : (index - 4);
-	u8 val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	/* transform the sysfs interface values into table above */
 	if ((val == 6) && (index < 4)) {
@@ -681,15 +727,14 @@ show_sf_setup(struct device *dev, struct device_attribute *attr, char *buf)
 	struct w83793_data *data = w83793_update_device(dev);
 	u32 val = 0;
 
-	if (SETUP_PWM_DEFAULT == nr) {
+	if (nr == SETUP_PWM_DEFAULT)
 		val = (data->pwm_default & 0x3f) << 2;
-	} else if (SETUP_PWM_UPTIME == nr) {
+	else if (nr == SETUP_PWM_UPTIME)
 		val = TIME_FROM_REG(data->pwm_uptime);
-	} else if (SETUP_PWM_DOWNTIME == nr) {
+	else if (nr == SETUP_PWM_DOWNTIME)
 		val = TIME_FROM_REG(data->pwm_downtime);
-	} else if (SETUP_TEMP_CRITICAL == nr) {
+	else if (nr == SETUP_TEMP_CRITICAL)
 		val = TEMP_FROM_REG(data->temp_critical & 0x7f);
-	}
 
 	return sprintf(buf, "%d\n", val);
 }
@@ -703,31 +748,34 @@ store_sf_setup(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->nr;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83793_data *data = i2c_get_clientdata(client);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	if (SETUP_PWM_DEFAULT == nr) {
+	if (nr == SETUP_PWM_DEFAULT) {
 		data->pwm_default =
 		    w83793_read_value(client, W83793_REG_PWM_DEFAULT) & 0xc0;
-		data->pwm_default |= SENSORS_LIMIT(simple_strtoul(buf, NULL,
-								  10),
-						   0, 0xff) >> 2;
+		data->pwm_default |= SENSORS_LIMIT(val, 0, 0xff) >> 2;
 		w83793_write_value(client, W83793_REG_PWM_DEFAULT,
 							data->pwm_default);
-	} else if (SETUP_PWM_UPTIME == nr) {
-		data->pwm_uptime = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
+	} else if (nr == SETUP_PWM_UPTIME) {
+		data->pwm_uptime = TIME_TO_REG(val);
 		data->pwm_uptime += data->pwm_uptime == 0 ? 1 : 0;
 		w83793_write_value(client, W83793_REG_PWM_UPTIME,
 							data->pwm_uptime);
-	} else if (SETUP_PWM_DOWNTIME == nr) {
-		data->pwm_downtime = TIME_TO_REG(simple_strtoul(buf, NULL, 10));
+	} else if (nr == SETUP_PWM_DOWNTIME) {
+		data->pwm_downtime = TIME_TO_REG(val);
 		data->pwm_downtime += data->pwm_downtime == 0 ? 1 : 0;
 		w83793_write_value(client, W83793_REG_PWM_DOWNTIME,
 							data->pwm_downtime);
 	} else {		/* SETUP_TEMP_CRITICAL */
 		data->temp_critical =
 		    w83793_read_value(client, W83793_REG_TEMP_CRITICAL) & 0x80;
-		data->temp_critical |= TEMP_TO_REG(simple_strtol(buf, NULL, 10),
-						   0, 0x7f);
+		data->temp_critical |= TEMP_TO_REG(val, 0, 0x7f);
 		w83793_write_value(client, W83793_REG_TEMP_CRITICAL,
 							data->temp_critical);
 	}
@@ -737,31 +785,31 @@ store_sf_setup(struct device *dev, struct device_attribute *attr,
 }
 
 /*
-	Temp SmartFan control
-	TEMP_FAN_MAP
-	Temp channel control which pwm fan, bitfield, bit 0 indicate pwm1...
-	It's possible two or more temp channels control the same fan, w83793
-	always prefers to pick the most critical request and applies it to
-	the related Fan.
-	It's possible one fan is not in any mapping of 6 temp channels, this
-	means the fan is manual mode
-
-	TEMP_PWM_ENABLE
-	Each temp channel has its own SmartFan mode, and temp channel
-	control	fans that are set by TEMP_FAN_MAP
-	0:	SmartFanII mode
-	1:	Thermal Cruise Mode
-
-	TEMP_CRUISE
-	Target temperature in thermal cruise mode, w83793 will try to turn
-	fan speed to keep the temperature of target device around this
-	temperature.
-
-	TEMP_TOLERANCE
-	If Temp higher or lower than target with this tolerance, w83793
-	will take actions to speed up or slow down the fan to keep the
-	temperature within the tolerance range.
-*/
+ * Temp SmartFan control
+ * TEMP_FAN_MAP
+ * Temp channel control which pwm fan, bitfield, bit 0 indicate pwm1...
+ * It's possible two or more temp channels control the same fan, w83793
+ * always prefers to pick the most critical request and applies it to
+ * the related Fan.
+ * It's possible one fan is not in any mapping of 6 temp channels, this
+ * means the fan is manual mode
+ *
+ * TEMP_PWM_ENABLE
+ * Each temp channel has its own SmartFan mode, and temp channel
+ * control fans that are set by TEMP_FAN_MAP
+ * 0:	SmartFanII mode
+ * 1:	Thermal Cruise Mode
+ *
+ * TEMP_CRUISE
+ * Target temperature in thermal cruise mode, w83793 will try to turn
+ * fan speed to keep the temperature of target device around this
+ * temperature.
+ *
+ * TEMP_TOLERANCE
+ * If Temp higher or lower than target with this tolerance, w83793
+ * will take actions to speed up or slow down the fan to keep the
+ * temperature within the tolerance range.
+ */
 
 #define TEMP_FAN_MAP			0
 #define TEMP_PWM_ENABLE			1
@@ -777,12 +825,12 @@ show_sf_ctrl(struct device *dev, struct device_attribute *attr, char *buf)
 	struct w83793_data *data = w83793_update_device(dev);
 	u32 val;
 
-	if (TEMP_FAN_MAP == nr) {
+	if (nr == TEMP_FAN_MAP) {
 		val = data->temp_fan_map[index];
-	} else if (TEMP_PWM_ENABLE == nr) {
+	} else if (nr == TEMP_PWM_ENABLE) {
 		/* +2 to transfrom into 2 and 3 to conform with sysfs intf */
 		val = ((data->pwm_enable >> index) & 0x01) + 2;
-	} else if (TEMP_CRUISE == nr) {
+	} else if (nr == TEMP_CRUISE) {
 		val = TEMP_FROM_REG(data->temp_cruise[index] & 0x7f);
 	} else {		/* TEMP_TOLERANCE */
 		val = data->tolerance[index >> 1] >> ((index & 0x01) ? 4 : 0);
@@ -801,16 +849,20 @@ store_sf_ctrl(struct device *dev, struct device_attribute *attr,
 	int index = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83793_data *data = i2c_get_clientdata(client);
-	u32 val;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
-	if (TEMP_FAN_MAP == nr) {
-		val = simple_strtoul(buf, NULL, 10) & 0xff;
+	if (nr == TEMP_FAN_MAP) {
+		val = SENSORS_LIMIT(val, 0, 255);
 		w83793_write_value(client, W83793_REG_TEMP_FAN_MAP(index), val);
 		data->temp_fan_map[index] = val;
-	} else if (TEMP_PWM_ENABLE == nr) {
-		val = simple_strtoul(buf, NULL, 10);
-		if (2 == val || 3 == val) {
+	} else if (nr == TEMP_PWM_ENABLE) {
+		if (val == 2 || val == 3) {
 			data->pwm_enable =
 			    w83793_read_value(client, W83793_REG_PWM_ENABLE);
 			if (val - 2)
@@ -823,12 +875,11 @@ store_sf_ctrl(struct device *dev, struct device_attribute *attr,
 			mutex_unlock(&data->update_lock);
 			return -EINVAL;
 		}
-	} else if (TEMP_CRUISE == nr) {
+	} else if (nr == TEMP_CRUISE) {
 		data->temp_cruise[index] =
 		    w83793_read_value(client, W83793_REG_TEMP_CRUISE(index));
-		val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f);
 		data->temp_cruise[index] &= 0x80;
-		data->temp_cruise[index] |= val;
+		data->temp_cruise[index] |= TEMP_TO_REG(val, 0, 0x7f);
 
 		w83793_write_value(client, W83793_REG_TEMP_CRUISE(index),
 						data->temp_cruise[index]);
@@ -838,9 +889,8 @@ store_sf_ctrl(struct device *dev, struct device_attribute *attr,
 		data->tolerance[i] =
 		    w83793_read_value(client, W83793_REG_TEMP_TOL(i));
 
-		val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x0f);
 		data->tolerance[i] &= ~(0x0f << shift);
-		data->tolerance[i] |= val << shift;
+		data->tolerance[i] |= TEMP_TO_REG(val, 0, 0x0f) << shift;
 		w83793_write_value(client, W83793_REG_TEMP_TOL(i),
 							data->tolerance[i]);
 	}
@@ -871,7 +921,13 @@ store_sf2_pwm(struct device *dev, struct device_attribute *attr,
 	    to_sensor_dev_attr_2(attr);
 	int nr = sensor_attr->nr;
 	int index = sensor_attr->index;
-	u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 0xff) >> 2;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+	val = SENSORS_LIMIT(val, 0, 0xff) >> 2;
 
 	mutex_lock(&data->update_lock);
 	data->sf2_pwm[index][nr] =
@@ -906,7 +962,13 @@ store_sf2_temp(struct device *dev, struct device_attribute *attr,
 	    to_sensor_dev_attr_2(attr);
 	int nr = sensor_attr->nr;
 	int index = sensor_attr->index;
-	u8 val = TEMP_TO_REG(simple_strtol(buf, NULL, 10), 0, 0x7f);
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
+	val = TEMP_TO_REG(val, 0, 0x7f);
 
 	mutex_lock(&data->update_lock);
 	data->sf2_temp[index][nr] =
@@ -948,17 +1010,19 @@ store_in(struct device *dev, struct device_attribute *attr,
 	int index = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83793_data *data = i2c_get_clientdata(client);
-	u32 val;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+	val = (val + scale_in[index] / 2) / scale_in[index];
 
-	val =
-	    (simple_strtoul(buf, NULL, 10) +
-	     scale_in[index] / 2) / scale_in[index];
 	mutex_lock(&data->update_lock);
 	if (index > 2) {
 		/* fix the limit values of 5VDD and 5VSB to ALARM mechanism */
-		if (1 == nr || 2 == nr) {
+		if (nr == 1 || nr == 2)
 			val -= scale_in_add[index] / scale_in[index];
-		}
 		val = SENSORS_LIMIT(val, 0, 255);
 	} else {
 		val = SENSORS_LIMIT(val, 0, 0x3FF);
@@ -1143,9 +1207,8 @@ static struct sensor_device_attribute_2 sda_single_files[] = {
 
 static void w83793_init_client(struct i2c_client *client)
 {
-	if (reset) {
+	if (reset)
 		w83793_write_value(client, W83793_REG_CONFIG, 0x80);
-	}
 
 	/* Start monitoring */
 	w83793_write_value(client, W83793_REG_CONFIG,
@@ -1259,10 +1322,12 @@ static int watchdog_open(struct inode *inode, struct file *filp)
 	struct w83793_data *pos, *data = NULL;
 	int watchdog_is_open;
 
-	/* We get called from drivers/char/misc.c with misc_mtx hold, and we
-	   call misc_register() from  w83793_probe() with watchdog_data_mutex
-	   hold, as misc_register() takes the misc_mtx lock, this is a possible
-	   deadlock, so we use mutex_trylock here. */
+	/*
+	 * We get called from drivers/char/misc.c with misc_mtx hold, and we
+	 * call misc_register() from  w83793_probe() with watchdog_data_mutex
+	 * hold, as misc_register() takes the misc_mtx lock, this is a possible
+	 * deadlock, so we use mutex_trylock here.
+	 */
 	if (!mutex_trylock(&watchdog_data_mutex))
 		return -ERESTARTSYS;
 	list_for_each_entry(pos, &watchdog_data_list, list) {
@@ -1275,8 +1340,10 @@ static int watchdog_open(struct inode *inode, struct file *filp)
 	/* Check, if device is already open */
 	watchdog_is_open = test_and_set_bit(0, &data->watchdog_is_open);
 
-	/* Increase data reference counter (if not already done).
-	   Note we can never not have found data, so we don't check for this */
+	/*
+	 * Increase data reference counter (if not already done).
+	 * Note we can never not have found data, so we don't check for this
+	 */
 	if (!watchdog_is_open)
 		kref_get(&data->kref);
 
@@ -1556,9 +1623,8 @@ w83793_detect_subclients(struct i2c_client *client)
 	}
 
 	tmp = w83793_read_value(client, W83793_REG_I2C_SUBADDR);
-	if (!(tmp & 0x08)) {
+	if (!(tmp & 0x08))
 		data->lm75[0] = i2c_new_dummy(adapter, 0x48 + (tmp & 0x7));
-	}
 	if (!(tmp & 0x80)) {
 		if ((data->lm75[0] != NULL)
 		    && ((tmp & 0x7) == ((tmp >> 4) & 0x7))) {
@@ -1591,9 +1657,8 @@ static int w83793_detect(struct i2c_client *client,
 	struct i2c_adapter *adapter = client->adapter;
 	unsigned short address = client->addr;
 
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
-	}
 
 	bank = i2c_smbus_read_byte_data(client, W83793_REG_BANKSEL);
 
@@ -1604,8 +1669,10 @@ static int w83793_detect(struct i2c_client *client,
 		return -ENODEV;
 	}
 
-	/* If Winbond chip, address of chip and W83793_REG_I2C_ADDR
-	   should match */
+	/*
+	 * If Winbond chip, address of chip and W83793_REG_I2C_ADDR
+	 * should match
+	 */
 	if ((bank & 0x07) == 0
 	 && i2c_smbus_read_byte_data(client, W83793_REG_I2C_ADDR) !=
 	    (address << 1)) {
@@ -1647,9 +1714,11 @@ static int w83793_probe(struct i2c_client *client,
 	INIT_LIST_HEAD(&data->list);
 	kref_init(&data->kref);
 
-	/* Store client pointer in our data struct for watchdog usage
-	   (where the client is found through a data ptr instead of the
-	   otherway around) */
+	/*
+	 * Store client pointer in our data struct for watchdog usage
+	 * (where the client is found through a data ptr instead of the
+	 * otherway around)
+	 */
 	data->client = client;
 
 	err = w83793_detect_subclients(client);
@@ -1660,8 +1729,8 @@ static int w83793_probe(struct i2c_client *client,
 	w83793_init_client(client);
 
 	/*
-	   Only fan 1-5 has their own input pins,
-	   Pwm 1-3 has their own pins
+	 * Only fan 1-5 has their own input pins,
+	 * Pwm 1-3 has their own pins
 	 */
 	data->has_fan = 0x1f;
 	data->has_pwm = 0x07;
@@ -1723,7 +1792,7 @@ static int w83793_probe(struct i2c_client *client,
 	}
 
 	/* check the temp1-6 mode, ignore former AMDSI selected inputs */
-	tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[0]);
+	tmp = w83793_read_value(client, W83793_REG_TEMP_MODE[0]);
 	if (tmp & 0x01)
 		data->has_temp |= 0x01;
 	if (tmp & 0x04)
@@ -1733,7 +1802,7 @@ static int w83793_probe(struct i2c_client *client,
 	if (tmp & 0x40)
 		data->has_temp |= 0x08;
 
-	tmp = w83793_read_value(client,W83793_REG_TEMP_MODE[1]);
+	tmp = w83793_read_value(client, W83793_REG_TEMP_MODE[1]);
 	if (tmp & 0x01)
 		data->has_temp |= 0x10;
 	if (tmp & 0x02)
@@ -1823,9 +1892,11 @@ static int w83793_probe(struct i2c_client *client,
 		goto exit_devunreg;
 	}
 
-	/* Enable Watchdog registers.
-	   Set Configuration Register to Enable Watch Dog Registers
-	   (Bit 2) = XXXX, X1XX. */
+	/*
+	 * Enable Watchdog registers.
+	 * Set Configuration Register to Enable Watch Dog Registers
+	 * (Bit 2) = XXXX, X1XX.
+	 */
 	tmp = w83793_read_value(client, W83793_REG_CONFIG);
 	w83793_write_value(client, W83793_REG_CONFIG, tmp | 0x04);
 
@@ -1839,9 +1910,11 @@ static int w83793_probe(struct i2c_client *client,
 	/* Disable Soft Watchdog during initialiation */
 	watchdog_disable(data);
 
-	/* We take the data_mutex lock early so that watchdog_open() cannot
-	   run when misc_register() has completed, but we've not yet added
-	   our data to the watchdog_data_list (and set the default timeout) */
+	/*
+	 * We take the data_mutex lock early so that watchdog_open() cannot
+	 * run when misc_register() has completed, but we've not yet added
+	 * our data to the watchdog_data_list (and set the default timeout)
+	 */
 	mutex_lock(&watchdog_data_mutex);
 	for (i = 0; i < ARRAY_SIZE(watchdog_minors); i++) {
 		/* Register our watchdog part */
@@ -1921,9 +1994,9 @@ static void w83793_update_nonvolatile(struct device *dev)
 	struct w83793_data *data = i2c_get_clientdata(client);
 	int i, j;
 	/*
-	   They are somewhat "stable" registers, and to update them every time
-	   takes so much time, it's just not worthy. Update them in a long
-	   interval to avoid exception.
+	 * They are somewhat "stable" registers, and to update them every time
+	 * takes so much time, it's just not worthy. Update them in a long
+	 * interval to avoid exception.
 	 */
 	if (!(time_after(jiffies, data->last_nonvolatile + HZ * 300)
 	      || !data->valid))
@@ -1940,9 +2013,8 @@ static void w83793_update_nonvolatile(struct device *dev)
 
 	for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) {
 		/* Update the Fan measured value and limits */
-		if (!(data->has_fan & (1 << i))) {
+		if (!(data->has_fan & (1 << i)))
 			continue;
-		}
 		data->fan_min[i] =
 		    w83793_read_value(client, W83793_REG_FAN_MIN(i)) << 8;
 		data->fan_min[i] |=
@@ -1997,9 +2069,8 @@ static void w83793_update_nonvolatile(struct device *dev)
 	    w83793_read_value(client, W83793_REG_TEMP_CRITICAL);
 	data->beep_enable = w83793_read_value(client, W83793_REG_OVT_BEEP);
 
-	for (i = 0; i < ARRAY_SIZE(data->beeps); i++) {
+	for (i = 0; i < ARRAY_SIZE(data->beeps); i++)
 		data->beeps[i] = w83793_read_value(client, W83793_REG_BEEP(i));
-	}
 
 	data->last_nonvolatile = jiffies;
 }
@@ -2025,9 +2096,8 @@ static struct w83793_data *w83793_update_device(struct device *dev)
 	    w83793_read_value(client, W83793_REG_IN_LOW_BITS[IN_READ]);
 
 	for (i = 0; i < ARRAY_SIZE(data->fan); i++) {
-		if (!(data->has_fan & (1 << i))) {
+		if (!(data->has_fan & (1 << i)))
 			continue;
-		}
 		data->fan[i] =
 		    w83793_read_value(client, W83793_REG_FAN(i)) << 8;
 		data->fan[i] |=
@@ -2067,8 +2137,10 @@ END:
 	return data;
 }
 
-/* Ignore the possibility that somebody change bank outside the driver
-   Must be called with data->update_lock held, except during initialization */
+/*
+ * Ignore the possibility that somebody change bank outside the driver
+ * Must be called with data->update_lock held, except during initialization
+ */
 static u8 w83793_read_value(struct i2c_client *client, u16 reg)
 {
 	struct w83793_data *data = i2c_get_clientdata(client);
@@ -2103,16 +2175,16 @@ static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value)
 
 	new_bank |= data->bank & 0xfc;
 	if (data->bank != new_bank) {
-		if ((res = i2c_smbus_write_byte_data
-		    (client, W83793_REG_BANKSEL, new_bank)) >= 0)
-			data->bank = new_bank;
-		else {
+		res = i2c_smbus_write_byte_data(client, W83793_REG_BANKSEL,
+						new_bank);
+		if (res < 0) {
 			dev_err(&client->dev,
 				"set bank to %d failed, fall back "
 				"to bank %d, write reg 0x%x error\n",
 				new_bank, data->bank, reg);
 			goto END;
 		}
+		data->bank = new_bank;
 	}
 
 	res = i2c_smbus_write_byte_data(client, reg & 0xff, value);
@@ -2120,19 +2192,8 @@ END:
 	return res;
 }
 
-static int __init sensors_w83793_init(void)
-{
-	return i2c_add_driver(&w83793_driver);
-}
-
-static void __exit sensors_w83793_exit(void)
-{
-	i2c_del_driver(&w83793_driver);
-}
+module_i2c_driver(w83793_driver);
 
 MODULE_AUTHOR("Yuan Mu, Sven Anders");
 MODULE_DESCRIPTION("w83793 driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_w83793_init);
-module_exit(sensors_w83793_exit);
diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c
index aa58b25565bc..deb12c982800 100644
--- a/drivers/hwmon/w83795.c
+++ b/drivers/hwmon/w83795.c
@@ -2244,19 +2244,8 @@ static struct i2c_driver w83795_driver = {
 	.address_list	= normal_i2c,
 };
 
-static int __init sensors_w83795_init(void)
-{
-	return i2c_add_driver(&w83795_driver);
-}
-
-static void __exit sensors_w83795_exit(void)
-{
-	i2c_del_driver(&w83795_driver);
-}
+module_i2c_driver(w83795_driver);
 
 MODULE_AUTHOR("Wei Song, Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("W83795G/ADG hardware monitoring driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_w83795_init);
-module_exit(sensors_w83795_exit);
diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c
index 20781def65ed..5f14e3897058 100644
--- a/drivers/hwmon/w83l785ts.c
+++ b/drivers/hwmon/w83l785ts.c
@@ -86,7 +86,7 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev);
 /*
  * Driver data (common to all clients)
  */
- 
+
 static const struct i2c_device_id w83l785ts_id[] = {
 	{ "w83l785ts", 0 },
 	{ }
@@ -116,8 +116,7 @@ struct w83l785ts_data {
 	unsigned long last_updated; /* in jiffies */
 
 	/* registers values */
-	s8 temp[2]; /* 0: input
-		       1: critical limit */
+	s8 temp[2]; /* 0: input, 1: critical limit */
 };
 
 /*
@@ -250,8 +249,10 @@ static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval)
 	struct device *dev;
 	const char *prefix;
 
-	/* We might be called during detection, at which point the client
-	   isn't yet fully initialized, so we can't use dev_dbg on it */
+	/*
+	 * We might be called during detection, at which point the client
+	 * isn't yet fully initialized, so we can't use dev_dbg on it
+	 */
 	if (i2c_get_clientdata(client)) {
 		dev = &client->dev;
 		prefix = "";
@@ -260,9 +261,11 @@ static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval)
 		prefix = "w83l785ts: ";
 	}
 
-	/* Frequent read errors have been reported on Asus boards, so we
+	/*
+	 * Frequent read errors have been reported on Asus boards, so we
 	 * retry on read errors. If it still fails (unlikely), return the
-	 * default value requested by the caller. */
+	 * default value requested by the caller.
+	 */
 	for (i = 1; i <= MAX_RETRIES; i++) {
 		value = i2c_smbus_read_byte_data(client, reg);
 		if (value >= 0) {
@@ -302,19 +305,8 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
 	return data;
 }
 
-static int __init sensors_w83l785ts_init(void)
-{
-	return i2c_add_driver(&w83l785ts_driver);
-}
-
-static void __exit sensors_w83l785ts_exit(void)
-{
-	i2c_del_driver(&w83l785ts_driver);
-}
+module_i2c_driver(w83l785ts_driver);
 
 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("W83L785TS-S driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_w83l785ts_init);
-module_exit(sensors_w83l785ts_exit);
diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c
index 063bd9508d8a..5850b7706088 100644
--- a/drivers/hwmon/w83l786ng.c
+++ b/drivers/hwmon/w83l786ng.c
@@ -1,28 +1,28 @@
 /*
-    w83l786ng.c - Linux kernel driver for hardware monitoring
-    Copyright (c) 2007 Kevin Lo <kevlo@kevlo.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation - version 2.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-    02110-1301 USA.
-*/
+ * w83l786ng.c - Linux kernel driver for hardware monitoring
+ * Copyright (c) 2007 Kevin Lo <kevlo@kevlo.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation - version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA.
+ */
 
 /*
-    Supports following chips:
-
-    Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
-    w83l786ng	3	2	2	2	0x7b	0x5ca3	yes	no
-*/
+ * Supports following chips:
+ *
+ * Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
+ * w83l786ng	3	2	2	2	0x7b	0x5ca3	yes	no
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -52,7 +52,7 @@ MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended");
 
 #define W83L786NG_REG_CONFIG		0x40
 #define W83L786NG_REG_ALARM1		0x41
-#define W83L786NG_REG_ALARM2 		0x42
+#define W83L786NG_REG_ALARM2		0x42
 #define W83L786NG_REG_GPIO_EN		0x47
 #define W83L786NG_REG_MAN_ID2		0x4C
 #define W83L786NG_REG_MAN_ID1		0x4D
@@ -89,19 +89,23 @@ FAN_TO_REG(long rpm, int div)
 	return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
 }
 
-#define FAN_FROM_REG(val,div)	((val) == 0   ? -1 : \
+#define FAN_FROM_REG(val, div)	((val) == 0   ? -1 : \
 				((val) == 255 ? 0 : \
 				1350000 / ((val) * (div))))
 
 /* for temp */
-#define TEMP_TO_REG(val)	(SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \
-				    : (val)) / 1000, 0, 0xff))
-#define TEMP_FROM_REG(val)	(((val) & 0x80 ? (val)-0x100 : (val)) * 1000)
-
-/* The analog voltage inputs have 8mV LSB. Since the sysfs output is
-   in mV as would be measured on the chip input pin, need to just
-   multiply/divide by 8 to translate from/to register values. */
-#define IN_TO_REG(val)          (SENSORS_LIMIT((((val) + 4) / 8), 0, 255))
+#define TEMP_TO_REG(val)	(SENSORS_LIMIT(((val) < 0 ? \
+						(val) + 0x100 * 1000 \
+						: (val)) / 1000, 0, 0xff))
+#define TEMP_FROM_REG(val)	(((val) & 0x80 ? \
+				  (val) - 0x100 : (val)) * 1000)
+
+/*
+ * The analog voltage inputs have 8mV LSB. Since the sysfs output is
+ * in mV as would be measured on the chip input pin, need to just
+ * multiply/divide by 8 to translate from/to register values.
+ */
+#define IN_TO_REG(val)		(SENSORS_LIMIT((((val) + 4) / 8), 0, 255))
 #define IN_FROM_REG(val)	((val) * 8)
 
 #define DIV_FROM_REG(val)	(1 << (val))
@@ -116,7 +120,7 @@ DIV_TO_REG(long val)
 			break;
 		val >>= 1;
 	}
-	return ((u8) i);
+	return (u8)i;
 }
 
 struct w83l786ng_data {
@@ -125,7 +129,7 @@ struct w83l786ng_data {
 	char valid;			/* !=0 if following fields are valid */
 	unsigned long last_updated;	/* In jiffies */
 	unsigned long last_nonvolatile;	/* In jiffies, last time we update the
-					   nonvolatile registers */
+					 * nonvolatile registers */
 
 	u8 in[3];
 	u8 in_max[3];
@@ -137,10 +141,10 @@ struct w83l786ng_data {
 	u8 temp[2][3];
 	u8 pwm[2];
 	u8 pwm_mode[2];	/* 0->DC variable voltage
-			   1->PWM variable duty cycle */
+			 * 1->PWM variable duty cycle */
 
 	u8 pwm_enable[2]; /* 1->manual
-			     2->thermal cruise (also called SmartFan I) */
+			   * 2->thermal cruise (also called SmartFan I) */
 	u8 tolerance[2];
 };
 
@@ -186,11 +190,11 @@ w83l786ng_write_value(struct i2c_client *client, u8 reg, u8 value)
 #define show_in_reg(reg) \
 static ssize_t \
 show_##reg(struct device *dev, struct device_attribute *attr, \
-           char *buf) \
+	   char *buf) \
 { \
 	int nr = to_sensor_dev_attr(attr)->index; \
 	struct w83l786ng_data *data = w83l786ng_update_device(dev); \
-	return sprintf(buf,"%d\n", IN_FROM_REG(data->reg[nr])); \
+	return sprintf(buf, "%d\n", IN_FROM_REG(data->reg[nr])); \
 }
 
 show_in_reg(in)
@@ -199,13 +203,16 @@ show_in_reg(in_max)
 
 #define store_in_reg(REG, reg) \
 static ssize_t \
-store_in_##reg (struct device *dev, struct device_attribute *attr, \
-		const char *buf, size_t count) \
+store_in_##reg(struct device *dev, struct device_attribute *attr, \
+	       const char *buf, size_t count) \
 { \
 	int nr = to_sensor_dev_attr(attr)->index; \
 	struct i2c_client *client = to_i2c_client(dev); \
 	struct w83l786ng_data *data = i2c_get_clientdata(client); \
-	unsigned long val = simple_strtoul(buf, NULL, 10); \
+	unsigned long val; \
+	int err = kstrtoul(buf, 10, &val); \
+	if (err) \
+		return err; \
 	mutex_lock(&data->update_lock); \
 	data->in_##reg[nr] = IN_TO_REG(val); \
 	w83l786ng_write_value(client, W83L786NG_REG_IN_##REG(nr), \
@@ -241,8 +248,8 @@ static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
 { \
 	int nr = to_sensor_dev_attr(attr)->index; \
 	struct w83l786ng_data *data = w83l786ng_update_device(dev); \
-        return sprintf(buf,"%d\n", \
-                FAN_FROM_REG(data->fan[nr], DIV_FROM_REG(data->fan_div[nr]))); \
+	return sprintf(buf, "%d\n", \
+		FAN_FROM_REG(data->fan[nr], DIV_FROM_REG(data->fan_div[nr]))); \
 }
 
 show_fan_reg(fan);
@@ -255,9 +262,13 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83l786ng_data *data = i2c_get_clientdata(client);
-	u32 val;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtoul(buf, NULL, 10);
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 	w83l786ng_write_value(client, W83L786NG_REG_FAN_MIN(nr),
@@ -276,10 +287,12 @@ show_fan_div(struct device *dev, struct device_attribute *attr,
 	return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr]));
 }
 
-/* Note: we save and restore the fan minimum here, because its value is
-   determined in part by the fan divisor.  This follows the principle of
-   least surprise; the user doesn't expect the fan minimum to change just
-   because the divisor changed. */
+/*
+ * Note: we save and restore the fan minimum here, because its value is
+ * determined in part by the fan divisor.  This follows the principle of
+ * least surprise; the user doesn't expect the fan minimum to change just
+ * because the divisor changed.
+ */
 static ssize_t
 store_fan_div(struct device *dev, struct device_attribute *attr,
 	      const char *buf, size_t count)
@@ -294,11 +307,18 @@ store_fan_div(struct device *dev, struct device_attribute *attr,
 	u8 keep_mask = 0;
 	u8 new_shift = 0;
 
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
 	/* Save fan_min */
 	mutex_lock(&data->update_lock);
 	min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr]));
 
-	data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10));
+	data->fan_div[nr] = DIV_TO_REG(val);
 
 	switch (nr) {
 	case 0:
@@ -371,16 +391,20 @@ store_temp(struct device *dev, struct device_attribute *attr,
 	int index = sensor_attr->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83l786ng_data *data = i2c_get_clientdata(client);
-	s32 val;
+	long val;
+	int err;
+
+	err = kstrtol(buf, 10, &val);
+	if (err)
+		return err;
 
-	val = simple_strtol(buf, NULL, 10);
 	mutex_lock(&data->update_lock);
 	data->temp[nr][index] = TEMP_TO_REG(val);
 	w83l786ng_write_value(client, W83L786NG_REG_TEMP[nr][index],
 			      data->temp[nr][index]);
 	mutex_unlock(&data->update_lock);
 
-        return count;
+	return count;
 }
 
 static struct sensor_device_attribute_2 sda_temp_input[] = {
@@ -403,8 +427,8 @@ static struct sensor_device_attribute_2 sda_temp_max_hyst[] = {
 };
 
 #define show_pwm_reg(reg) \
-static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \
-			   char *buf) \
+static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
+			  char *buf) \
 { \
 	struct w83l786ng_data *data = w83l786ng_update_device(dev); \
 	int nr = to_sensor_dev_attr(attr)->index; \
@@ -422,8 +446,13 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83l786ng_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
 	u8 reg;
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	if (val > 1)
 		return -EINVAL;
@@ -445,7 +474,13 @@ store_pwm(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83l786ng_data *data = i2c_get_clientdata(client);
-	u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255);
+	unsigned long val;
+	int err;
+
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+	val = SENSORS_LIMIT(val, 0, 255);
 
 	mutex_lock(&data->update_lock);
 	data->pwm[nr] = val;
@@ -461,11 +496,15 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83l786ng_data *data = i2c_get_clientdata(client);
-	u32 val = simple_strtoul(buf, NULL, 10);
-
 	u8 reg;
+	unsigned long val;
+	int err;
 
-	if (!val || (val > 2))  /* only modes 1 and 2 are supported */
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
+
+	if (!val || val > 2)  /* only modes 1 and 2 are supported */
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
@@ -513,10 +552,13 @@ store_tolerance(struct device *dev, struct device_attribute *attr,
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83l786ng_data *data = i2c_get_clientdata(client);
-	u32 val;
 	u8 tol_tmp, tol_mask;
+	unsigned long val;
+	int err;
 
-	val = simple_strtoul(buf, NULL, 10);
+	err = kstrtoul(buf, 10, &val);
+	if (err)
+		return err;
 
 	mutex_lock(&data->update_lock);
 	tol_mask = w83l786ng_read_value(client,
@@ -524,9 +566,8 @@ store_tolerance(struct device *dev, struct device_attribute *attr,
 	tol_tmp = SENSORS_LIMIT(val, 0, 15);
 	tol_tmp &= 0x0f;
 	data->tolerance[nr] = tol_tmp;
-	if (nr == 1) {
+	if (nr == 1)
 		tol_tmp <<= 4;
-	}
 
 	w83l786ng_write_value(client, W83L786NG_REG_TOLERANCE,
 			      tol_mask | tol_tmp);
@@ -591,9 +632,8 @@ w83l786ng_detect(struct i2c_client *client, struct i2c_board_info *info)
 	u16 man_id;
 	u8 chip_id;
 
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -ENODEV;
-	}
 
 	/* Detection */
 	if ((w83l786ng_read_value(client, W83L786NG_REG_CONFIG) & 0x80)) {
@@ -652,7 +692,8 @@ w83l786ng_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	data->fan_div[1] = (reg_tmp >> 4) & 0x07;
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&client->dev.kobj, &w83l786ng_group)))
+	err = sysfs_create_group(&client->dev.kobj, &w83l786ng_group);
+	if (err)
 		goto exit_remove;
 
 	data->hwmon_dev = hwmon_device_register(dev);
@@ -769,21 +810,8 @@ static struct w83l786ng_data *w83l786ng_update_device(struct device *dev)
 	return data;
 }
 
-static int __init
-sensors_w83l786ng_init(void)
-{
-	return i2c_add_driver(&w83l786ng_driver);
-}
-
-static void __exit
-sensors_w83l786ng_exit(void)
-{
-	i2c_del_driver(&w83l786ng_driver);
-}
+module_i2c_driver(w83l786ng_driver);
 
 MODULE_AUTHOR("Kevin Lo");
 MODULE_DESCRIPTION("w83l786ng driver");
 MODULE_LICENSE("GPL");
-
-module_init(sensors_w83l786ng_init);
-module_exit(sensors_w83l786ng_exit);
diff --git a/drivers/hwmon/wm831x-hwmon.c b/drivers/hwmon/wm831x-hwmon.c
index 9b598ed26020..07cb25ae69be 100644
--- a/drivers/hwmon/wm831x-hwmon.c
+++ b/drivers/hwmon/wm831x-hwmon.c
@@ -40,7 +40,7 @@ static ssize_t show_name(struct device *dev,
 	return sprintf(buf, "wm831x\n");
 }
 
-static const char *input_names[] = {
+static const char * const input_names[] = {
 	[WM831X_AUX_SYSVDD]    = "SYSVDD",
 	[WM831X_AUX_USB]       = "USB",
 	[WM831X_AUX_BKUP_BATT] = "Backup battery",
@@ -117,8 +117,10 @@ static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_chip_temp, NULL,
 			  WM831X_AUX_CHIP_TEMP);
 static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_label, NULL,
 			  WM831X_AUX_CHIP_TEMP);
-/* Report as a voltage since conversion depends on external components
- * and that's what the ABI wants. */
+/*
+ * Report as a voltage since conversion depends on external components
+ * and that's what the ABI wants.
+ */
 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_voltage, NULL,
 			  WM831X_AUX_BATT_TEMP);
 static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, show_label, NULL,
diff --git a/drivers/hwmon/wm8350-hwmon.c b/drivers/hwmon/wm8350-hwmon.c
index 3ff67edbdc44..b955756bdb42 100644
--- a/drivers/hwmon/wm8350-hwmon.c
+++ b/drivers/hwmon/wm8350-hwmon.c
@@ -34,7 +34,7 @@ static ssize_t show_name(struct device *dev,
 	return sprintf(buf, "wm8350\n");
 }
 
-static const char *input_names[] = {
+static const char * const input_names[] = {
 	[WM8350_AUXADC_USB]  = "USB",
 	[WM8350_AUXADC_LINE] = "Line",
 	[WM8350_AUXADC_BATT] = "Battery",
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 5bc2839ebcfd..729428edeba2 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -253,7 +253,7 @@ void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd,
 		if (page_is_high)
 			local_irq_save(flags);
 
-		buf = kmap_atomic(page, KM_BIO_SRC_IRQ) + offset;
+		buf = kmap_atomic(page) + offset;
 
 		cmd->nleft -= nr_bytes;
 		cmd->cursg_ofs += nr_bytes;
@@ -269,7 +269,7 @@ void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd,
 		else
 			hwif->tp_ops->input_data(drive, cmd, buf, nr_bytes);
 
-		kunmap_atomic(buf, KM_BIO_SRC_IRQ);
+		kunmap_atomic(buf);
 
 		if (page_is_high)
 			local_irq_restore(flags);
diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c
index 1a696f76b616..0bb99bb38809 100644
--- a/drivers/infiniband/core/iwcm.c
+++ b/drivers/infiniband/core/iwcm.c
@@ -624,17 +624,6 @@ static void cm_conn_req_handler(struct iwcm_id_private *listen_id_priv,
 	 */
 	BUG_ON(iw_event->status);
 
-	/*
-	 * We could be destroying the listening id. If so, ignore this
-	 * upcall.
-	 */
-	spin_lock_irqsave(&listen_id_priv->lock, flags);
-	if (listen_id_priv->state != IW_CM_STATE_LISTEN) {
-		spin_unlock_irqrestore(&listen_id_priv->lock, flags);
-		goto out;
-	}
-	spin_unlock_irqrestore(&listen_id_priv->lock, flags);
-
 	cm_id = iw_create_cm_id(listen_id_priv->id.device,
 				listen_id_priv->id.cm_handler,
 				listen_id_priv->id.context);
@@ -649,6 +638,19 @@ static void cm_conn_req_handler(struct iwcm_id_private *listen_id_priv,
 	cm_id_priv = container_of(cm_id, struct iwcm_id_private, id);
 	cm_id_priv->state = IW_CM_STATE_CONN_RECV;
 
+	/*
+	 * We could be destroying the listening id. If so, ignore this
+	 * upcall.
+	 */
+	spin_lock_irqsave(&listen_id_priv->lock, flags);
+	if (listen_id_priv->state != IW_CM_STATE_LISTEN) {
+		spin_unlock_irqrestore(&listen_id_priv->lock, flags);
+		iw_cm_reject(cm_id, NULL, 0);
+		iw_destroy_cm_id(cm_id);
+		goto out;
+	}
+	spin_unlock_irqrestore(&listen_id_priv->lock, flags);
+
 	ret = alloc_work_entries(cm_id_priv, 3);
 	if (ret) {
 		iw_cm_reject(cm_id, NULL, 0);
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 2fe428bba54c..426bb7617ec6 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1842,6 +1842,24 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv,
 	}
 }
 
+static bool generate_unmatched_resp(struct ib_mad_private *recv,
+				    struct ib_mad_private *response)
+{
+	if (recv->mad.mad.mad_hdr.method == IB_MGMT_METHOD_GET ||
+	    recv->mad.mad.mad_hdr.method == IB_MGMT_METHOD_SET) {
+		memcpy(response, recv, sizeof *response);
+		response->header.recv_wc.wc = &response->header.wc;
+		response->header.recv_wc.recv_buf.mad = &response->mad.mad;
+		response->header.recv_wc.recv_buf.grh = &response->grh;
+		response->mad.mad.mad_hdr.method = IB_MGMT_METHOD_GET_RESP;
+		response->mad.mad.mad_hdr.status =
+			cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB);
+
+		return true;
+	} else {
+		return false;
+	}
+}
 static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
 				     struct ib_wc *wc)
 {
@@ -1963,6 +1981,9 @@ local:
 		 * or via recv_handler in ib_mad_complete_recv()
 		 */
 		recv = NULL;
+	} else if (generate_unmatched_resp(recv, response)) {
+		agent_send_response(&response->mad.mad, &recv->grh, wc,
+				    port_priv->device, port_num, qp_info->qp->qp_num);
 	}
 
 out:
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index c61bca30fd2d..83b720ef6c34 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -179,33 +179,36 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
 {
 	struct ib_port_attr attr;
 	char *speed = "";
-	int rate;
+	int rate = -1;		/* in deci-Gb/sec */
 	ssize_t ret;
 
 	ret = ib_query_port(p->ibdev, p->port_num, &attr);
 	if (ret)
 		return ret;
 
-	rate = (25 * attr.active_speed) / 10;
-
 	switch (attr.active_speed) {
-	case 2:
+	case IB_SPEED_SDR:
+		rate = 25;
+		break;
+	case IB_SPEED_DDR:
 		speed = " DDR";
+		rate = 50;
 		break;
-	case 4:
+	case IB_SPEED_QDR:
 		speed = " QDR";
+		rate = 100;
 		break;
-	case 8:
+	case IB_SPEED_FDR10:
 		speed = " FDR10";
-		rate = 10;
+		rate = 100;
 		break;
-	case 16:
+	case IB_SPEED_FDR:
 		speed = " FDR";
-		rate = 14;
+		rate = 140;
 		break;
-	case 32:
+	case IB_SPEED_EDR:
 		speed = " EDR";
-		rate = 25;
+		rate = 250;
 		break;
 	}
 
@@ -214,7 +217,7 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
 		return -EINVAL;
 
 	return sprintf(buf, "%d%s Gb/sec (%dX%s)\n",
-		       rate, (attr.active_speed == 1) ? ".5" : "",
+		       rate / 10, rate % 10 ? ".5" : "",
 		       ib_width_enum_to_int(attr.active_width), speed);
 }
 
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 5034a87cc72d..5861cdb22b7c 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -449,24 +449,6 @@ static void ucma_cleanup_multicast(struct ucma_context *ctx)
 	mutex_unlock(&mut);
 }
 
-static void ucma_cleanup_events(struct ucma_context *ctx)
-{
-	struct ucma_event *uevent, *tmp;
-
-	list_for_each_entry_safe(uevent, tmp, &ctx->file->event_list, list) {
-		if (uevent->ctx != ctx)
-			continue;
-
-		list_del(&uevent->list);
-
-		/* clear incoming connections. */
-		if (uevent->resp.event == RDMA_CM_EVENT_CONNECT_REQUEST)
-			rdma_destroy_id(uevent->cm_id);
-
-		kfree(uevent);
-	}
-}
-
 static void ucma_cleanup_mc_events(struct ucma_multicast *mc)
 {
 	struct ucma_event *uevent, *tmp;
@@ -480,9 +462,16 @@ static void ucma_cleanup_mc_events(struct ucma_multicast *mc)
 	}
 }
 
+/*
+ * We cannot hold file->mut when calling rdma_destroy_id() or we can
+ * deadlock.  We also acquire file->mut in ucma_event_handler(), and
+ * rdma_destroy_id() will wait until all callbacks have completed.
+ */
 static int ucma_free_ctx(struct ucma_context *ctx)
 {
 	int events_reported;
+	struct ucma_event *uevent, *tmp;
+	LIST_HEAD(list);
 
 	/* No new events will be generated after destroying the id. */
 	rdma_destroy_id(ctx->cm_id);
@@ -491,10 +480,20 @@ static int ucma_free_ctx(struct ucma_context *ctx)
 
 	/* Cleanup events not yet reported to the user. */
 	mutex_lock(&ctx->file->mut);
-	ucma_cleanup_events(ctx);
+	list_for_each_entry_safe(uevent, tmp, &ctx->file->event_list, list) {
+		if (uevent->ctx == ctx)
+			list_move_tail(&uevent->list, &list);
+	}
 	list_del(&ctx->list);
 	mutex_unlock(&ctx->file->mut);
 
+	list_for_each_entry_safe(uevent, tmp, &list, list) {
+		list_del(&uevent->list);
+		if (uevent->resp.event == RDMA_CM_EVENT_CONNECT_REQUEST)
+			rdma_destroy_id(uevent->cm_id);
+		kfree(uevent);
+	}
+
 	events_reported = ctx->events_reported;
 	kfree(ctx);
 	return events_reported;
diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index 12f923d64e42..07eb3a8067d8 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -94,7 +94,7 @@ static int c2_query_port(struct ib_device *ibdev,
 	props->pkey_tbl_len = 1;
 	props->qkey_viol_cntr = 0;
 	props->active_width = 1;
-	props->active_speed = 1;
+	props->active_speed = IB_SPEED_SDR;
 
 	return 0;
 }
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 37c224fc3ad9..0bdf09aa6f42 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1227,7 +1227,7 @@ static int iwch_query_port(struct ib_device *ibdev,
 	props->gid_tbl_len = 1;
 	props->pkey_tbl_len = 1;
 	props->active_width = 2;
-	props->active_speed = 2;
+	props->active_speed = IB_SPEED_DDR;
 	props->max_msg_sz = -1;
 
 	return 0;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index bea5839d89ee..6de8463f453b 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -803,7 +803,7 @@ int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg)
  * Assumes qhp lock is held.
  */
 static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp,
-				struct iwch_cq *schp, unsigned long *flag)
+				struct iwch_cq *schp)
 {
 	int count;
 	int flushed;
@@ -812,44 +812,44 @@ static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp,
 	PDBG("%s qhp %p rchp %p schp %p\n", __func__, qhp, rchp, schp);
 	/* take a ref on the qhp since we must release the lock */
 	atomic_inc(&qhp->refcnt);
-	spin_unlock_irqrestore(&qhp->lock, *flag);
+	spin_unlock(&qhp->lock);
 
 	/* locking hierarchy: cq lock first, then qp lock. */
-	spin_lock_irqsave(&rchp->lock, *flag);
+	spin_lock(&rchp->lock);
 	spin_lock(&qhp->lock);
 	cxio_flush_hw_cq(&rchp->cq);
 	cxio_count_rcqes(&rchp->cq, &qhp->wq, &count);
 	flushed = cxio_flush_rq(&qhp->wq, &rchp->cq, count);
 	spin_unlock(&qhp->lock);
-	spin_unlock_irqrestore(&rchp->lock, *flag);
+	spin_unlock(&rchp->lock);
 	if (flushed) {
-		spin_lock_irqsave(&rchp->comp_handler_lock, *flag);
+		spin_lock(&rchp->comp_handler_lock);
 		(*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context);
-		spin_unlock_irqrestore(&rchp->comp_handler_lock, *flag);
+		spin_unlock(&rchp->comp_handler_lock);
 	}
 
 	/* locking hierarchy: cq lock first, then qp lock. */
-	spin_lock_irqsave(&schp->lock, *flag);
+	spin_lock(&schp->lock);
 	spin_lock(&qhp->lock);
 	cxio_flush_hw_cq(&schp->cq);
 	cxio_count_scqes(&schp->cq, &qhp->wq, &count);
 	flushed = cxio_flush_sq(&qhp->wq, &schp->cq, count);
 	spin_unlock(&qhp->lock);
-	spin_unlock_irqrestore(&schp->lock, *flag);
+	spin_unlock(&schp->lock);
 	if (flushed) {
-		spin_lock_irqsave(&schp->comp_handler_lock, *flag);
+		spin_lock(&schp->comp_handler_lock);
 		(*schp->ibcq.comp_handler)(&schp->ibcq, schp->ibcq.cq_context);
-		spin_unlock_irqrestore(&schp->comp_handler_lock, *flag);
+		spin_unlock(&schp->comp_handler_lock);
 	}
 
 	/* deref */
 	if (atomic_dec_and_test(&qhp->refcnt))
 	        wake_up(&qhp->wait);
 
-	spin_lock_irqsave(&qhp->lock, *flag);
+	spin_lock(&qhp->lock);
 }
 
-static void flush_qp(struct iwch_qp *qhp, unsigned long *flag)
+static void flush_qp(struct iwch_qp *qhp)
 {
 	struct iwch_cq *rchp, *schp;
 
@@ -859,19 +859,19 @@ static void flush_qp(struct iwch_qp *qhp, unsigned long *flag)
 	if (qhp->ibqp.uobject) {
 		cxio_set_wq_in_error(&qhp->wq);
 		cxio_set_cq_in_error(&rchp->cq);
-		spin_lock_irqsave(&rchp->comp_handler_lock, *flag);
+		spin_lock(&rchp->comp_handler_lock);
 		(*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context);
-		spin_unlock_irqrestore(&rchp->comp_handler_lock, *flag);
+		spin_unlock(&rchp->comp_handler_lock);
 		if (schp != rchp) {
 			cxio_set_cq_in_error(&schp->cq);
-			spin_lock_irqsave(&schp->comp_handler_lock, *flag);
+			spin_lock(&schp->comp_handler_lock);
 			(*schp->ibcq.comp_handler)(&schp->ibcq,
 						   schp->ibcq.cq_context);
-			spin_unlock_irqrestore(&schp->comp_handler_lock, *flag);
+			spin_unlock(&schp->comp_handler_lock);
 		}
 		return;
 	}
-	__flush_qp(qhp, rchp, schp, flag);
+	__flush_qp(qhp, rchp, schp);
 }
 
 
@@ -1030,7 +1030,7 @@ int iwch_modify_qp(struct iwch_dev *rhp, struct iwch_qp *qhp,
 			break;
 		case IWCH_QP_STATE_ERROR:
 			qhp->attr.state = IWCH_QP_STATE_ERROR;
-			flush_qp(qhp, &flag);
+			flush_qp(qhp);
 			break;
 		default:
 			ret = -EINVAL;
@@ -1078,7 +1078,7 @@ int iwch_modify_qp(struct iwch_dev *rhp, struct iwch_qp *qhp,
 		}
 		switch (attrs->next_state) {
 			case IWCH_QP_STATE_IDLE:
-				flush_qp(qhp, &flag);
+				flush_qp(qhp);
 				qhp->attr.state = IWCH_QP_STATE_IDLE;
 				qhp->attr.llp_stream_handle = NULL;
 				put_ep(&qhp->ep->com);
@@ -1132,7 +1132,7 @@ err:
 	free=1;
 	wake_up(&qhp->wait);
 	BUG_ON(!ep);
-	flush_qp(qhp, &flag);
+	flush_qp(qhp);
 out:
 	spin_unlock_irqrestore(&qhp->lock, flag);
 
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 0cf61554f176..92b4c2b0308b 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -1114,7 +1114,7 @@ static void process_mpa_reply(struct c4iw_ep *ep, struct sk_buff *skb)
 	 * generated when moving QP to RTS state.
 	 * A TERM message will be sent after QP has moved to RTS state
 	 */
-	if ((ep->mpa_attr.version == 2) &&
+	if ((ep->mpa_attr.version == 2) && peer2peer &&
 			(ep->mpa_attr.p2p_type != p2p_type)) {
 		ep->mpa_attr.p2p_type = FW_RI_INIT_P2PTYPE_DISABLED;
 		rtr_mismatch = 1;
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index 247fe706e7fa..be1c18f44400 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -329,7 +329,7 @@ static int c4iw_query_port(struct ib_device *ibdev, u8 port,
 	props->gid_tbl_len = 1;
 	props->pkey_tbl_len = 1;
 	props->active_width = 2;
-	props->active_speed = 2;
+	props->active_speed = IB_SPEED_DDR;
 	props->max_msg_sz = -1;
 
 	return 0;
diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c
index 73edc3668663..9ed4d2588304 100644
--- a/drivers/infiniband/hw/ehca/ehca_hca.c
+++ b/drivers/infiniband/hw/ehca/ehca_hca.c
@@ -233,7 +233,7 @@ int ehca_query_port(struct ib_device *ibdev,
 		props->phys_state      = 5;
 		props->state           = rblock->state;
 		props->active_width    = IB_WIDTH_12X;
-		props->active_speed    = 0x1;
+		props->active_speed    = IB_SPEED_SDR;
 	}
 
 query_port1:
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index e571e60ecb88..53589000fd07 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -786,7 +786,8 @@ static struct task_struct *create_comp_task(struct ehca_comp_pool *pool,
 	spin_lock_init(&cct->task_lock);
 	INIT_LIST_HEAD(&cct->cq_list);
 	init_waitqueue_head(&cct->wait_queue);
-	cct->task = kthread_create(comp_task, cct, "ehca_comp/%d", cpu);
+	cct->task = kthread_create_on_node(comp_task, cct, cpu_to_node(cpu),
+					   "ehca_comp/%d", cpu);
 
 	return cct->task;
 }
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c
index 43cae84005f0..b781b2cb0624 100644
--- a/drivers/infiniband/hw/ehca/ehca_mrmw.c
+++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c
@@ -112,7 +112,7 @@ static u32 ehca_encode_hwpage_size(u32 pgsize)
 
 static u64 ehca_get_max_hwpage_size(struct ehca_shca *shca)
 {
-	return 1UL << ilog2(shca->hca_cap_mr_pgsize);
+	return rounddown_pow_of_two(shca->hca_cap_mr_pgsize);
 }
 
 static struct ehca_mr *ehca_mr_new(void)
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 5ecf38d97269..77c8cb4c5073 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -720,7 +720,8 @@ repoll:
 		wc->dlid_path_bits = (g_mlpath_rqpn >> 24) & 0x7f;
 		wc->wc_flags	  |= g_mlpath_rqpn & 0x80000000 ? IB_WC_GRH : 0;
 		wc->pkey_index     = be32_to_cpu(cqe->immed_rss_invalid) & 0x7f;
-		wc->csum_ok	   = mlx4_ib_ipoib_csum_ok(cqe->status, cqe->checksum);
+		wc->wc_flags	  |= mlx4_ib_ipoib_csum_ok(cqe->status,
+					cqe->checksum) ? IB_WC_IP_CSUM_OK : 0;
 		if (rdma_port_get_link_layer(wc->qp->device,
 				(*cur_qp)->port) == IB_LINK_LAYER_ETHERNET)
 			wc->sl  = be16_to_cpu(cqe->sl_vid) >> 13;
@@ -747,8 +748,7 @@ int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
 			break;
 	}
 
-	if (npolled)
-		mlx4_cq_set_ci(&cq->mcq);
+	mlx4_cq_set_ci(&cq->mcq);
 
 	spin_unlock_irqrestore(&cq->lock, flags);
 
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 7b445df6a667..75d305629300 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -163,7 +163,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
 	props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm;
 	props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
 					   props->max_mcast_grp;
-	props->max_map_per_fmr = (1 << (32 - ilog2(dev->dev->caps.num_mpts))) - 1;
+	props->max_map_per_fmr = dev->dev->caps.max_fmr_maps;
 
 out:
 	kfree(in_mad);
@@ -182,12 +182,27 @@ mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num)
 }
 
 static int ib_link_query_port(struct ib_device *ibdev, u8 port,
-			      struct ib_port_attr *props,
-			      struct ib_smp *in_mad,
-			      struct ib_smp *out_mad)
+			      struct ib_port_attr *props)
 {
+	struct ib_smp *in_mad  = NULL;
+	struct ib_smp *out_mad = NULL;
 	int ext_active_speed;
-	int err;
+	int err = -ENOMEM;
+
+	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
+	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
+	if (!in_mad || !out_mad)
+		goto out;
+
+	init_query_mad(in_mad);
+	in_mad->attr_id  = IB_SMP_ATTR_PORT_INFO;
+	in_mad->attr_mod = cpu_to_be32(port);
+
+	err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL,
+				in_mad, out_mad);
+	if (err)
+		goto out;
+
 
 	props->lid		= be16_to_cpup((__be16 *) (out_mad->data + 16));
 	props->lmc		= out_mad->data[34] & 0x7;
@@ -215,34 +230,33 @@ static int ib_link_query_port(struct ib_device *ibdev, u8 port,
 
 		switch (ext_active_speed) {
 		case 1:
-			props->active_speed = 16; /* FDR */
+			props->active_speed = IB_SPEED_FDR;
 			break;
 		case 2:
-			props->active_speed = 32; /* EDR */
+			props->active_speed = IB_SPEED_EDR;
 			break;
 		}
 	}
 
 	/* If reported active speed is QDR, check if is FDR-10 */
-	if (props->active_speed == 4) {
-		if (to_mdev(ibdev)->dev->caps.ext_port_cap[port] &
-		    MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO) {
-			init_query_mad(in_mad);
-			in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO;
-			in_mad->attr_mod = cpu_to_be32(port);
-
-			err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port,
-					   NULL, NULL, in_mad, out_mad);
-			if (err)
-				return err;
+	if (props->active_speed == IB_SPEED_QDR) {
+		init_query_mad(in_mad);
+		in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO;
+		in_mad->attr_mod = cpu_to_be32(port);
 
-			/* Checking LinkSpeedActive for FDR-10 */
-			if (out_mad->data[15] & 0x1)
-				props->active_speed = 8;
-		}
-	}
+		err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port,
+				   NULL, NULL, in_mad, out_mad);
+		if (err)
+			return err;
 
-	return 0;
+		/* Checking LinkSpeedActive for FDR-10 */
+		if (out_mad->data[15] & 0x1)
+			props->active_speed = IB_SPEED_FDR10;
+	}
+out:
+	kfree(in_mad);
+	kfree(out_mad);
+	return err;
 }
 
 static u8 state_to_phys_state(enum ib_port_state state)
@@ -251,32 +265,42 @@ static u8 state_to_phys_state(enum ib_port_state state)
 }
 
 static int eth_link_query_port(struct ib_device *ibdev, u8 port,
-			       struct ib_port_attr *props,
-			       struct ib_smp *out_mad)
+			       struct ib_port_attr *props)
 {
-	struct mlx4_ib_iboe *iboe = &to_mdev(ibdev)->iboe;
+
+	struct mlx4_ib_dev *mdev = to_mdev(ibdev);
+	struct mlx4_ib_iboe *iboe = &mdev->iboe;
 	struct net_device *ndev;
 	enum ib_mtu tmp;
+	struct mlx4_cmd_mailbox *mailbox;
+	int err = 0;
+
+	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+
+	err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
+			   MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
+			   MLX4_CMD_WRAPPED);
+	if (err)
+		goto out;
 
-	props->active_width	= IB_WIDTH_1X;
-	props->active_speed	= 4;
+	props->active_width	=  (((u8 *)mailbox->buf)[5] == 0x40) ?
+						IB_WIDTH_4X : IB_WIDTH_1X;
+	props->active_speed	= IB_SPEED_QDR;
 	props->port_cap_flags	= IB_PORT_CM_SUP;
-	props->gid_tbl_len	= to_mdev(ibdev)->dev->caps.gid_table_len[port];
-	props->max_msg_sz	= to_mdev(ibdev)->dev->caps.max_msg_sz;
+	props->gid_tbl_len	= mdev->dev->caps.gid_table_len[port];
+	props->max_msg_sz	= mdev->dev->caps.max_msg_sz;
 	props->pkey_tbl_len	= 1;
-	props->bad_pkey_cntr	= be16_to_cpup((__be16 *) (out_mad->data + 46));
-	props->qkey_viol_cntr	= be16_to_cpup((__be16 *) (out_mad->data + 48));
 	props->max_mtu		= IB_MTU_4096;
-	props->subnet_timeout	= 0;
-	props->max_vl_num	= out_mad->data[37] >> 4;
-	props->init_type_reply	= 0;
+	props->max_vl_num	= 2;
 	props->state		= IB_PORT_DOWN;
 	props->phys_state	= state_to_phys_state(props->state);
 	props->active_mtu	= IB_MTU_256;
 	spin_lock(&iboe->lock);
 	ndev = iboe->netdevs[port - 1];
 	if (!ndev)
-		goto out;
+		goto out_unlock;
 
 	tmp = iboe_get_mtu(ndev->mtu);
 	props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256;
@@ -284,41 +308,23 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port,
 	props->state		= (netif_running(ndev) && netif_carrier_ok(ndev)) ?
 					IB_PORT_ACTIVE : IB_PORT_DOWN;
 	props->phys_state	= state_to_phys_state(props->state);
-
-out:
+out_unlock:
 	spin_unlock(&iboe->lock);
-	return 0;
+out:
+	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
+	return err;
 }
 
 static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
 			      struct ib_port_attr *props)
 {
-	struct ib_smp *in_mad  = NULL;
-	struct ib_smp *out_mad = NULL;
-	int err = -ENOMEM;
-
-	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
-	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
-	if (!in_mad || !out_mad)
-		goto out;
+	int err;
 
 	memset(props, 0, sizeof *props);
 
-	init_query_mad(in_mad);
-	in_mad->attr_id  = IB_SMP_ATTR_PORT_INFO;
-	in_mad->attr_mod = cpu_to_be32(port);
-
-	err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
-	if (err)
-		goto out;
-
 	err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ?
-		ib_link_query_port(ibdev, port, props, in_mad, out_mad) :
-		eth_link_query_port(ibdev, port, props, out_mad);
-
-out:
-	kfree(in_mad);
-	kfree(out_mad);
+		ib_link_query_port(ibdev, port, props) :
+				eth_link_query_port(ibdev, port, props);
 
 	return err;
 }
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index aa2aefa4236c..3a7848966627 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1884,6 +1884,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 		wmb();
 
 		if (wr->opcode < 0 || wr->opcode >= ARRAY_SIZE(mlx4_ib_opcode)) {
+			*bad_wr = wr;
 			err = -EINVAL;
 			goto out;
 		}
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
index 53157b86a1ba..40ba83338155 100644
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -643,7 +643,8 @@ static inline int mthca_poll_one(struct mthca_dev *dev,
 		entry->wc_flags   |= cqe->g_mlpath & 0x80 ? IB_WC_GRH : 0;
 		checksum = (be32_to_cpu(cqe->rqpn) >> 24) |
 				((be32_to_cpu(cqe->my_ee) >> 16) & 0xff00);
-		entry->csum_ok = (cqe->sl_ipok & 1 && checksum == 0xffff);
+		entry->wc_flags	  |=  (cqe->sl_ipok & 1 && checksum == 0xffff) ?
+							IB_WC_IP_CSUM_OK : 0;
 	}
 
 	entry->status = IB_WC_SUCCESS;
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index c5e4cb2d3223..71edfbbcce1c 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -338,18 +338,21 @@ static int parse_mpa(struct nes_cm_node *cm_node, u8 *buffer, u32 *type,
 	case IETF_MPA_V2: {
 		u16 ird_size;
 		u16 ord_size;
+		u16 rtr_ctrl_ird;
+		u16 rtr_ctrl_ord;
+
 		mpa_v2_frame = (struct ietf_mpa_v2 *)buffer;
 		mpa_hdr_len += IETF_RTR_MSG_SIZE;
 		cm_node->mpa_frame_size -= IETF_RTR_MSG_SIZE;
 		rtr_msg = &mpa_v2_frame->rtr_msg;
 
 		/* parse rtr message */
-		rtr_msg->ctrl_ird = ntohs(rtr_msg->ctrl_ird);
-		rtr_msg->ctrl_ord = ntohs(rtr_msg->ctrl_ord);
-		ird_size = rtr_msg->ctrl_ird & IETF_NO_IRD_ORD;
-		ord_size = rtr_msg->ctrl_ord & IETF_NO_IRD_ORD;
+		rtr_ctrl_ird = ntohs(rtr_msg->ctrl_ird);
+		rtr_ctrl_ord = ntohs(rtr_msg->ctrl_ord);
+		ird_size = rtr_ctrl_ird & IETF_NO_IRD_ORD;
+		ord_size = rtr_ctrl_ord & IETF_NO_IRD_ORD;
 
-		if (!(rtr_msg->ctrl_ird & IETF_PEER_TO_PEER)) {
+		if (!(rtr_ctrl_ird & IETF_PEER_TO_PEER)) {
 			/* send reset */
 			return -EINVAL;
 		}
@@ -370,9 +373,9 @@ static int parse_mpa(struct nes_cm_node *cm_node, u8 *buffer, u32 *type,
 			}
 		}
 
-		if (rtr_msg->ctrl_ord & IETF_RDMA0_READ) {
+		if (rtr_ctrl_ord & IETF_RDMA0_READ) {
 			cm_node->send_rdma0_op = SEND_RDMA_READ_ZERO;
-		} else if (rtr_msg->ctrl_ord & IETF_RDMA0_WRITE) {
+		} else if (rtr_ctrl_ord & IETF_RDMA0_WRITE) {
 			cm_node->send_rdma0_op = SEND_RDMA_WRITE_ZERO;
 		} else {        /* Not supported RDMA0 operation */
 			return -EINVAL;
@@ -543,6 +546,8 @@ static void build_mpa_v2(struct nes_cm_node *cm_node,
 {
 	struct ietf_mpa_v2 *mpa_frame = (struct ietf_mpa_v2 *)start_addr;
 	struct ietf_rtr_msg *rtr_msg = &mpa_frame->rtr_msg;
+	u16 ctrl_ird;
+	u16 ctrl_ord;
 
 	/* initialize the upper 5 bytes of the frame */
 	build_mpa_v1(cm_node, start_addr, mpa_key);
@@ -550,31 +555,31 @@ static void build_mpa_v2(struct nes_cm_node *cm_node,
 	mpa_frame->priv_data_len += htons(IETF_RTR_MSG_SIZE);
 
 	/* initialize RTR msg */
-	rtr_msg->ctrl_ird = (cm_node->ird_size > IETF_NO_IRD_ORD) ?
+	ctrl_ird = (cm_node->ird_size > IETF_NO_IRD_ORD) ?
 			    IETF_NO_IRD_ORD : cm_node->ird_size;
-	rtr_msg->ctrl_ord = (cm_node->ord_size > IETF_NO_IRD_ORD) ?
+	ctrl_ord = (cm_node->ord_size > IETF_NO_IRD_ORD) ?
 			    IETF_NO_IRD_ORD : cm_node->ord_size;
 
-	rtr_msg->ctrl_ird |= IETF_PEER_TO_PEER;
-	rtr_msg->ctrl_ird |= IETF_FLPDU_ZERO_LEN;
+	ctrl_ird |= IETF_PEER_TO_PEER;
+	ctrl_ird |= IETF_FLPDU_ZERO_LEN;
 
 	switch (mpa_key) {
 	case MPA_KEY_REQUEST:
-		rtr_msg->ctrl_ord |= IETF_RDMA0_WRITE;
-		rtr_msg->ctrl_ord |= IETF_RDMA0_READ;
+		ctrl_ord |= IETF_RDMA0_WRITE;
+		ctrl_ord |= IETF_RDMA0_READ;
 		break;
 	case MPA_KEY_REPLY:
 		switch (cm_node->send_rdma0_op) {
 		case SEND_RDMA_WRITE_ZERO:
-			rtr_msg->ctrl_ord |= IETF_RDMA0_WRITE;
+			ctrl_ord |= IETF_RDMA0_WRITE;
 			break;
 		case SEND_RDMA_READ_ZERO:
-			rtr_msg->ctrl_ord |= IETF_RDMA0_READ;
+			ctrl_ord |= IETF_RDMA0_READ;
 			break;
 		}
 	}
-	rtr_msg->ctrl_ird = htons(rtr_msg->ctrl_ird);
-	rtr_msg->ctrl_ord = htons(rtr_msg->ctrl_ord);
+	rtr_msg->ctrl_ird = htons(ctrl_ird);
+	rtr_msg->ctrl_ord = htons(ctrl_ord);
 }
 
 /**
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 0927b5cc65d3..8b8812de4b5c 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -597,7 +597,7 @@ static int nes_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr
 	props->pkey_tbl_len = 1;
 	props->qkey_viol_cntr = 0;
 	props->active_width = IB_WIDTH_4X;
-	props->active_speed = 1;
+	props->active_speed = IB_SPEED_SDR;
 	props->max_msg_sz = 0x80000000;
 
 	return 0;
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index b881bdc401f5..6b811e3e8bd1 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -427,6 +427,14 @@ struct qib_verbs_txreq {
 /* how often we check for packet activity for "power on hours (in seconds) */
 #define ACTIVITY_TIMER 5
 
+#define MAX_NAME_SIZE 64
+struct qib_msix_entry {
+	struct msix_entry msix;
+	void *arg;
+	char name[MAX_NAME_SIZE];
+	cpumask_var_t mask;
+};
+
 /* Below is an opaque struct. Each chip (device) can maintain
  * private data needed for its operation, but not germane to the
  * rest of the driver.  For convenience, we define another that
@@ -1355,7 +1363,7 @@ int qib_pcie_init(struct pci_dev *, const struct pci_device_id *);
 int qib_pcie_ddinit(struct qib_devdata *, struct pci_dev *,
 		    const struct pci_device_id *);
 void qib_pcie_ddcleanup(struct qib_devdata *);
-int qib_pcie_params(struct qib_devdata *, u32, u32 *, struct msix_entry *);
+int qib_pcie_params(struct qib_devdata *, u32, u32 *, struct qib_msix_entry *);
 int qib_reinit_intr(struct qib_devdata *);
 void qib_enable_intx(struct pci_dev *);
 void qib_nomsi(struct qib_devdata *);
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 41e92089e41b..060b96064469 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -541,8 +541,7 @@ struct qib_chip_specific {
 	u32 lastbuf_for_pio;
 	u32 stay_in_freeze;
 	u32 recovery_ports_initted;
-	struct msix_entry *msix_entries;
-	void  **msix_arg;
+	struct qib_msix_entry *msix_entries;
 	unsigned long *sendchkenable;
 	unsigned long *sendgrhchk;
 	unsigned long *sendibchk;
@@ -639,24 +638,24 @@ static struct {
 	int lsb;
 	int port; /* 0 if not port-specific, else port # */
 } irq_table[] = {
-	{ QIB_DRV_NAME, qib_7322intr, -1, 0 },
-	{ QIB_DRV_NAME " (buf avail)", qib_7322bufavail,
+	{ "", qib_7322intr, -1, 0 },
+	{ " (buf avail)", qib_7322bufavail,
 		SYM_LSB(IntStatus, SendBufAvail), 0 },
-	{ QIB_DRV_NAME " (sdma 0)", sdma_intr,
+	{ " (sdma 0)", sdma_intr,
 		SYM_LSB(IntStatus, SDmaInt_0), 1 },
-	{ QIB_DRV_NAME " (sdma 1)", sdma_intr,
+	{ " (sdma 1)", sdma_intr,
 		SYM_LSB(IntStatus, SDmaInt_1), 2 },
-	{ QIB_DRV_NAME " (sdmaI 0)", sdma_idle_intr,
+	{ " (sdmaI 0)", sdma_idle_intr,
 		SYM_LSB(IntStatus, SDmaIdleInt_0), 1 },
-	{ QIB_DRV_NAME " (sdmaI 1)", sdma_idle_intr,
+	{ " (sdmaI 1)", sdma_idle_intr,
 		SYM_LSB(IntStatus, SDmaIdleInt_1), 2 },
-	{ QIB_DRV_NAME " (sdmaP 0)", sdma_progress_intr,
+	{ " (sdmaP 0)", sdma_progress_intr,
 		SYM_LSB(IntStatus, SDmaProgressInt_0), 1 },
-	{ QIB_DRV_NAME " (sdmaP 1)", sdma_progress_intr,
+	{ " (sdmaP 1)", sdma_progress_intr,
 		SYM_LSB(IntStatus, SDmaProgressInt_1), 2 },
-	{ QIB_DRV_NAME " (sdmaC 0)", sdma_cleanup_intr,
+	{ " (sdmaC 0)", sdma_cleanup_intr,
 		SYM_LSB(IntStatus, SDmaCleanupDone_0), 1 },
-	{ QIB_DRV_NAME " (sdmaC 1)", sdma_cleanup_intr,
+	{ " (sdmaC 1)", sdma_cleanup_intr,
 		SYM_LSB(IntStatus, SDmaCleanupDone_1), 2 },
 };
 
@@ -2567,9 +2566,13 @@ static void qib_7322_nomsix(struct qib_devdata *dd)
 		int i;
 
 		dd->cspec->num_msix_entries = 0;
-		for (i = 0; i < n; i++)
-			free_irq(dd->cspec->msix_entries[i].vector,
-				 dd->cspec->msix_arg[i]);
+		for (i = 0; i < n; i++) {
+			irq_set_affinity_hint(
+			  dd->cspec->msix_entries[i].msix.vector, NULL);
+			free_cpumask_var(dd->cspec->msix_entries[i].mask);
+			free_irq(dd->cspec->msix_entries[i].msix.vector,
+			   dd->cspec->msix_entries[i].arg);
+		}
 		qib_nomsix(dd);
 	}
 	/* make sure no MSIx interrupts are left pending */
@@ -2597,7 +2600,6 @@ static void qib_setup_7322_cleanup(struct qib_devdata *dd)
 	kfree(dd->cspec->sendgrhchk);
 	kfree(dd->cspec->sendibchk);
 	kfree(dd->cspec->msix_entries);
-	kfree(dd->cspec->msix_arg);
 	for (i = 0; i < dd->num_pports; i++) {
 		unsigned long flags;
 		u32 mask = QSFP_GPIO_MOD_PRS_N |
@@ -3070,6 +3072,8 @@ static void qib_setup_7322_interrupt(struct qib_devdata *dd, int clearpend)
 	int ret, i, msixnum;
 	u64 redirect[6];
 	u64 mask;
+	const struct cpumask *local_mask;
+	int firstcpu, secondcpu = 0, currrcvcpu = 0;
 
 	if (!dd->num_pports)
 		return;
@@ -3118,13 +3122,28 @@ try_intx:
 	memset(redirect, 0, sizeof redirect);
 	mask = ~0ULL;
 	msixnum = 0;
+	local_mask = cpumask_of_pcibus(dd->pcidev->bus);
+	firstcpu = cpumask_first(local_mask);
+	if (firstcpu >= nr_cpu_ids ||
+			cpumask_weight(local_mask) == num_online_cpus()) {
+		local_mask = topology_core_cpumask(0);
+		firstcpu = cpumask_first(local_mask);
+	}
+	if (firstcpu < nr_cpu_ids) {
+		secondcpu = cpumask_next(firstcpu, local_mask);
+		if (secondcpu >= nr_cpu_ids)
+			secondcpu = firstcpu;
+		currrcvcpu = secondcpu;
+	}
 	for (i = 0; msixnum < dd->cspec->num_msix_entries; i++) {
 		irq_handler_t handler;
-		const char *name;
 		void *arg;
 		u64 val;
 		int lsb, reg, sh;
 
+		dd->cspec->msix_entries[msixnum].
+			name[sizeof(dd->cspec->msix_entries[msixnum].name) - 1]
+			= '\0';
 		if (i < ARRAY_SIZE(irq_table)) {
 			if (irq_table[i].port) {
 				/* skip if for a non-configured port */
@@ -3135,7 +3154,11 @@ try_intx:
 				arg = dd;
 			lsb = irq_table[i].lsb;
 			handler = irq_table[i].handler;
-			name = irq_table[i].name;
+			snprintf(dd->cspec->msix_entries[msixnum].name,
+				sizeof(dd->cspec->msix_entries[msixnum].name)
+				 - 1,
+				QIB_DRV_NAME "%d%s", dd->unit,
+				irq_table[i].name);
 		} else {
 			unsigned ctxt;
 
@@ -3148,23 +3171,28 @@ try_intx:
 				continue;
 			lsb = QIB_I_RCVAVAIL_LSB + ctxt;
 			handler = qib_7322pintr;
-			name = QIB_DRV_NAME " (kctx)";
+			snprintf(dd->cspec->msix_entries[msixnum].name,
+				sizeof(dd->cspec->msix_entries[msixnum].name)
+				 - 1,
+				QIB_DRV_NAME "%d (kctx)", dd->unit);
 		}
-		ret = request_irq(dd->cspec->msix_entries[msixnum].vector,
-				  handler, 0, name, arg);
+		ret = request_irq(
+			dd->cspec->msix_entries[msixnum].msix.vector,
+			handler, 0, dd->cspec->msix_entries[msixnum].name,
+			arg);
 		if (ret) {
 			/*
 			 * Shouldn't happen since the enable said we could
 			 * have as many as we are trying to setup here.
 			 */
 			qib_dev_err(dd, "Couldn't setup MSIx "
-				    "interrupt (vec=%d, irq=%d): %d\n", msixnum,
-				    dd->cspec->msix_entries[msixnum].vector,
-				    ret);
+				"interrupt (vec=%d, irq=%d): %d\n", msixnum,
+				dd->cspec->msix_entries[msixnum].msix.vector,
+				ret);
 			qib_7322_nomsix(dd);
 			goto try_intx;
 		}
-		dd->cspec->msix_arg[msixnum] = arg;
+		dd->cspec->msix_entries[msixnum].arg = arg;
 		if (lsb >= 0) {
 			reg = lsb / IBA7322_REDIRECT_VEC_PER_REG;
 			sh = (lsb % IBA7322_REDIRECT_VEC_PER_REG) *
@@ -3174,6 +3202,25 @@ try_intx:
 		}
 		val = qib_read_kreg64(dd, 2 * msixnum + 1 +
 			(QIB_7322_MsixTable_OFFS / sizeof(u64)));
+		if (firstcpu < nr_cpu_ids &&
+			zalloc_cpumask_var(
+				&dd->cspec->msix_entries[msixnum].mask,
+				GFP_KERNEL)) {
+			if (handler == qib_7322pintr) {
+				cpumask_set_cpu(currrcvcpu,
+					dd->cspec->msix_entries[msixnum].mask);
+				currrcvcpu = cpumask_next(currrcvcpu,
+					local_mask);
+				if (currrcvcpu >= nr_cpu_ids)
+					currrcvcpu = secondcpu;
+			} else {
+				cpumask_set_cpu(firstcpu,
+					dd->cspec->msix_entries[msixnum].mask);
+			}
+			irq_set_affinity_hint(
+				dd->cspec->msix_entries[msixnum].msix.vector,
+				dd->cspec->msix_entries[msixnum].mask);
+		}
 		msixnum++;
 	}
 	/* Initialize the vector mapping */
@@ -3365,7 +3412,7 @@ static int qib_do_7322_reset(struct qib_devdata *dd)
 	if (msix_entries) {
 		/* restore the MSIx vector address and data if saved above */
 		for (i = 0; i < msix_entries; i++) {
-			dd->cspec->msix_entries[i].entry = i;
+			dd->cspec->msix_entries[i].msix.entry = i;
 			if (!msix_vecsave || !msix_vecsave[2 * i])
 				continue;
 			qib_write_kreg(dd, 2 * i +
@@ -6865,15 +6912,13 @@ struct qib_devdata *qib_init_iba7322_funcs(struct pci_dev *pdev,
 
 	tabsize = actual_cnt;
 	dd->cspec->msix_entries = kmalloc(tabsize *
-			sizeof(struct msix_entry), GFP_KERNEL);
-	dd->cspec->msix_arg = kmalloc(tabsize *
-			sizeof(void *), GFP_KERNEL);
-	if (!dd->cspec->msix_entries || !dd->cspec->msix_arg) {
+			sizeof(struct qib_msix_entry), GFP_KERNEL);
+	if (!dd->cspec->msix_entries) {
 		qib_dev_err(dd, "No memory for MSIx table\n");
 		tabsize = 0;
 	}
 	for (i = 0; i < tabsize; i++)
-		dd->cspec->msix_entries[i].entry = i;
+		dd->cspec->msix_entries[i].msix.entry = i;
 
 	if (qib_pcie_params(dd, 8, &tabsize, dd->cspec->msix_entries))
 		qib_dev_err(dd, "Failed to setup PCIe or interrupts; "
diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
index 3b3745f261f0..c4ff788823b5 100644
--- a/drivers/infiniband/hw/qib/qib_mad.c
+++ b/drivers/infiniband/hw/qib/qib_mad.c
@@ -433,7 +433,6 @@ static int subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
 	struct qib_pportdata *ppd;
 	struct qib_ibport *ibp;
 	struct ib_port_info *pip = (struct ib_port_info *)smp->data;
-	u16 lid;
 	u8 mtu;
 	int ret;
 	u32 state;
@@ -469,8 +468,7 @@ static int subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
 	      ibp->mkeyprot == 1))
 		pip->mkey = ibp->mkey;
 	pip->gid_prefix = ibp->gid_prefix;
-	lid = ppd->lid;
-	pip->lid = lid ? cpu_to_be16(lid) : IB_LID_PERMISSIVE;
+	pip->lid = cpu_to_be16(ppd->lid);
 	pip->sm_lid = cpu_to_be16(ibp->sm_lid);
 	pip->cap_mask = cpu_to_be32(ibp->port_cap_flags);
 	/* pip->diag_code; */
diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c
index 0fde788e1100..790646ef5106 100644
--- a/drivers/infiniband/hw/qib/qib_pcie.c
+++ b/drivers/infiniband/hw/qib/qib_pcie.c
@@ -194,11 +194,24 @@ void qib_pcie_ddcleanup(struct qib_devdata *dd)
 }
 
 static void qib_msix_setup(struct qib_devdata *dd, int pos, u32 *msixcnt,
-			   struct msix_entry *msix_entry)
+			   struct qib_msix_entry *qib_msix_entry)
 {
 	int ret;
 	u32 tabsize = 0;
 	u16 msix_flags;
+	struct msix_entry *msix_entry;
+	int i;
+
+	/* We can't pass qib_msix_entry array to qib_msix_setup
+	 * so use a dummy msix_entry array and copy the allocated
+	 * irq back to the qib_msix_entry array. */
+	msix_entry = kmalloc(*msixcnt * sizeof(*msix_entry), GFP_KERNEL);
+	if (!msix_entry) {
+		ret = -ENOMEM;
+		goto do_intx;
+	}
+	for (i = 0; i < *msixcnt; i++)
+		msix_entry[i] = qib_msix_entry[i].msix;
 
 	pci_read_config_word(dd->pcidev, pos + PCI_MSIX_FLAGS, &msix_flags);
 	tabsize = 1 + (msix_flags & PCI_MSIX_FLAGS_QSIZE);
@@ -209,11 +222,15 @@ static void qib_msix_setup(struct qib_devdata *dd, int pos, u32 *msixcnt,
 		tabsize = ret;
 		ret = pci_enable_msix(dd->pcidev, msix_entry, tabsize);
 	}
+do_intx:
 	if (ret) {
 		qib_dev_err(dd, "pci_enable_msix %d vectors failed: %d, "
 			    "falling back to INTx\n", tabsize, ret);
 		tabsize = 0;
 	}
+	for (i = 0; i < tabsize; i++)
+		qib_msix_entry[i].msix = msix_entry[i];
+	kfree(msix_entry);
 	*msixcnt = tabsize;
 
 	if (ret)
@@ -251,7 +268,7 @@ static int qib_msi_setup(struct qib_devdata *dd, int pos)
 }
 
 int qib_pcie_params(struct qib_devdata *dd, u32 minw, u32 *nent,
-		    struct msix_entry *entry)
+		    struct qib_msix_entry *entry)
 {
 	u16 linkstat, speed;
 	int pos = 0, pose, ret = 1;
diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c
index 894afac26f3b..765b4cbaa020 100644
--- a/drivers/infiniband/hw/qib/qib_rc.c
+++ b/drivers/infiniband/hw/qib/qib_rc.c
@@ -2048,7 +2048,6 @@ send_last:
 		wc.pkey_index = 0;
 		wc.dlid_path_bits = 0;
 		wc.port_num = 0;
-		wc.csum_ok = 0;
 		/* Signal completion event if the solicited bit is set. */
 		qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
 			     (ohdr->bth[0] &
diff --git a/drivers/infiniband/hw/qib/qib_uc.c b/drivers/infiniband/hw/qib/qib_uc.c
index 847e7afdfd94..7ce2ac2ed219 100644
--- a/drivers/infiniband/hw/qib/qib_uc.c
+++ b/drivers/infiniband/hw/qib/qib_uc.c
@@ -422,7 +422,6 @@ last_imm:
 		wc.pkey_index = 0;
 		wc.dlid_path_bits = 0;
 		wc.port_num = 0;
-		wc.csum_ok = 0;
 		/* Signal completion event if the solicited bit is set. */
 		qib_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
 			     (ohdr->bth[0] &
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 4115be54ba3b..5c1bc995e560 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -296,7 +296,8 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
 	dev->stats.rx_bytes += skb->len;
 
 	skb->dev = dev;
-	if ((dev->features & NETIF_F_RXCSUM) && likely(wc->csum_ok))
+	if ((dev->features & NETIF_F_RXCSUM) &&
+			likely(wc->wc_flags & IB_WC_IP_CSUM_OK))
 		skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 	napi_gro_receive(&priv->napi, skb);
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 9a43cb07f294..db43b3117168 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -364,6 +364,9 @@ iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session,
 	}
 	ib_conn = ep->dd_data;
 
+	if (iser_alloc_rx_descriptors(ib_conn))
+		return -ENOMEM;
+
 	/* binds the iSER connection retrieved from the previously
 	 * connected ep_handle to the iSCSI layer connection. exchanges
 	 * connection pointers */
@@ -398,19 +401,6 @@ iscsi_iser_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
 	iser_conn->ib_conn = NULL;
 }
 
-static int
-iscsi_iser_conn_start(struct iscsi_cls_conn *cls_conn)
-{
-	struct iscsi_conn *conn = cls_conn->dd_data;
-	int err;
-
-	err = iser_conn_set_full_featured_mode(conn);
-	if (err)
-		return err;
-
-	return iscsi_conn_start(cls_conn);
-}
-
 static void iscsi_iser_session_destroy(struct iscsi_cls_session *cls_session)
 {
 	struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
@@ -724,7 +714,7 @@ static struct iscsi_transport iscsi_iser_transport = {
 	.get_conn_param		= iscsi_conn_get_param,
 	.get_ep_param		= iscsi_iser_get_ep_param,
 	.get_session_param	= iscsi_session_get_param,
-	.start_conn             = iscsi_iser_conn_start,
+	.start_conn             = iscsi_conn_start,
 	.stop_conn              = iscsi_iser_conn_stop,
 	/* iscsi host params */
 	.get_host_param		= iscsi_host_get_param,
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index db7ea3704da7..296be431a0e9 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -366,4 +366,5 @@ int iser_dma_map_task_data(struct iscsi_iser_task *iser_task,
 void iser_dma_unmap_task_data(struct iscsi_iser_task *iser_task);
 int  iser_initialize_task_headers(struct iscsi_task *task,
 			struct iser_tx_desc *tx_desc);
+int iser_alloc_rx_descriptors(struct iser_conn *ib_conn);
 #endif
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index a607542fc796..a00ccd1ca333 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -170,7 +170,7 @@ static void iser_create_send_desc(struct iser_conn	*ib_conn,
 }
 
 
-static int iser_alloc_rx_descriptors(struct iser_conn *ib_conn)
+int iser_alloc_rx_descriptors(struct iser_conn *ib_conn)
 {
 	int i, j;
 	u64 dma_addr;
@@ -220,18 +220,6 @@ void iser_free_rx_descriptors(struct iser_conn *ib_conn)
 	struct iser_rx_desc *rx_desc;
 	struct iser_device *device = ib_conn->device;
 
-	if (ib_conn->login_buf) {
-		if (ib_conn->login_req_dma)
-			ib_dma_unmap_single(device->ib_device,
-				ib_conn->login_req_dma,
-				ISCSI_DEF_MAX_RECV_SEG_LEN, DMA_TO_DEVICE);
-		if (ib_conn->login_resp_dma)
-			ib_dma_unmap_single(device->ib_device,
-				ib_conn->login_resp_dma,
-				ISER_RX_LOGIN_SIZE, DMA_FROM_DEVICE);
-		kfree(ib_conn->login_buf);
-	}
-
 	if (!ib_conn->rx_descs)
 		return;
 
@@ -242,23 +230,24 @@ void iser_free_rx_descriptors(struct iser_conn *ib_conn)
 	kfree(ib_conn->rx_descs);
 }
 
-/**
- *  iser_conn_set_full_featured_mode - (iSER API)
- */
-int iser_conn_set_full_featured_mode(struct iscsi_conn *conn)
+static int iser_post_rx_bufs(struct iscsi_conn *conn, struct iscsi_hdr *req)
 {
 	struct iscsi_iser_conn *iser_conn = conn->dd_data;
 
-	iser_dbg("Initially post: %d\n", ISER_MIN_POSTED_RX);
-
-	/* Check that there is no posted recv or send buffers left - */
-	/* they must be consumed during the login phase */
-	BUG_ON(iser_conn->ib_conn->post_recv_buf_count != 0);
-	BUG_ON(atomic_read(&iser_conn->ib_conn->post_send_buf_count) != 0);
+	iser_dbg("req op %x flags %x\n", req->opcode, req->flags);
+	/* check if this is the last login - going to full feature phase */
+	if ((req->flags & ISCSI_FULL_FEATURE_PHASE) != ISCSI_FULL_FEATURE_PHASE)
+		return 0;
 
-	if (iser_alloc_rx_descriptors(iser_conn->ib_conn))
-		return -ENOMEM;
+	/*
+	 * Check that there is one posted recv buffer (for the last login
+	 * response) and no posted send buffers left - they must have been
+	 * consumed during previous login phases.
+	 */
+	WARN_ON(iser_conn->ib_conn->post_recv_buf_count != 1);
+	WARN_ON(atomic_read(&iser_conn->ib_conn->post_send_buf_count) != 0);
 
+	iser_dbg("Initially post: %d\n", ISER_MIN_POSTED_RX);
 	/* Initial post receive buffers */
 	if (iser_post_recvm(iser_conn->ib_conn, ISER_MIN_POSTED_RX))
 		return -ENOMEM;
@@ -438,6 +427,9 @@ int iser_send_control(struct iscsi_conn *conn,
 		err = iser_post_recvl(iser_conn->ib_conn);
 		if (err)
 			goto send_control_error;
+		err = iser_post_rx_bufs(conn, task->hdr);
+		if (err)
+			goto send_control_error;
 	}
 
 	err = iser_post_send(iser_conn->ib_conn, mdesc);
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index fb88d6896b67..2033a928d34d 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -73,11 +73,11 @@ static int iser_start_rdma_unaligned_sg(struct iscsi_iser_task *iser_task,
 
 		p = mem;
 		for_each_sg(sgl, sg, data->size, i) {
-			from = kmap_atomic(sg_page(sg), KM_USER0);
+			from = kmap_atomic(sg_page(sg));
 			memcpy(p,
 			       from + sg->offset,
 			       sg->length);
-			kunmap_atomic(from, KM_USER0);
+			kunmap_atomic(from);
 			p += sg->length;
 		}
 	}
@@ -133,11 +133,11 @@ void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_task *iser_task,
 
 		p = mem;
 		for_each_sg(sgl, sg, sg_size, i) {
-			to = kmap_atomic(sg_page(sg), KM_SOFTIRQ0);
+			to = kmap_atomic(sg_page(sg));
 			memcpy(to + sg->offset,
 			       p,
 			       sg->length);
-			kunmap_atomic(to, KM_SOFTIRQ0);
+			kunmap_atomic(to);
 			p += sg->length;
 		}
 	}
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index e28877c4ce15..14224ba44fd8 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -274,6 +274,18 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
 	ib_conn->cma_id   = NULL;
 	kfree(ib_conn->page_vec);
 
+	if (ib_conn->login_buf) {
+		if (ib_conn->login_req_dma)
+			ib_dma_unmap_single(ib_conn->device->ib_device,
+				ib_conn->login_req_dma,
+				ISCSI_DEF_MAX_RECV_SEG_LEN, DMA_TO_DEVICE);
+		if (ib_conn->login_resp_dma)
+			ib_dma_unmap_single(ib_conn->device->ib_device,
+				ib_conn->login_resp_dma,
+				ISER_RX_LOGIN_SIZE, DMA_FROM_DEVICE);
+		kfree(ib_conn->login_buf);
+	}
+
 	return 0;
 }
 
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 0bfa545675b8..bcbf22ee0aa7 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -30,6 +30,8 @@
  * SOFTWARE.
  */
 
+#define pr_fmt(fmt) PFX fmt
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -165,7 +167,7 @@ static void srp_free_iu(struct srp_host *host, struct srp_iu *iu)
 
 static void srp_qp_event(struct ib_event *event, void *context)
 {
-	printk(KERN_ERR PFX "QP event %d\n", event->event);
+	pr_debug("QP event %d\n", event->event);
 }
 
 static int srp_init_qp(struct srp_target_port *target,
@@ -472,6 +474,21 @@ static void srp_free_req_data(struct srp_target_port *target)
 	}
 }
 
+/**
+ * srp_del_scsi_host_attr() - Remove attributes defined in the host template.
+ * @shost: SCSI host whose attributes to remove from sysfs.
+ *
+ * Note: Any attributes defined in the host template and that did not exist
+ * before invocation of this function will be ignored.
+ */
+static void srp_del_scsi_host_attr(struct Scsi_Host *shost)
+{
+	struct device_attribute **attr;
+
+	for (attr = shost->hostt->shost_attrs; attr && *attr; ++attr)
+		device_remove_file(&shost->shost_dev, *attr);
+}
+
 static void srp_remove_work(struct work_struct *work)
 {
 	struct srp_target_port *target =
@@ -484,6 +501,7 @@ static void srp_remove_work(struct work_struct *work)
 	list_del(&target->list);
 	spin_unlock(&target->srp_host->target_lock);
 
+	srp_del_scsi_host_attr(target->scsi_host);
 	srp_remove_host(target->scsi_host);
 	scsi_remove_host(target->scsi_host);
 	ib_destroy_cm_id(target->cm_id);
@@ -1676,10 +1694,6 @@ static ssize_t show_id_ext(struct device *dev, struct device_attribute *attr,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "0x%016llx\n",
 		       (unsigned long long) be64_to_cpu(target->id_ext));
 }
@@ -1689,10 +1703,6 @@ static ssize_t show_ioc_guid(struct device *dev, struct device_attribute *attr,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "0x%016llx\n",
 		       (unsigned long long) be64_to_cpu(target->ioc_guid));
 }
@@ -1702,10 +1712,6 @@ static ssize_t show_service_id(struct device *dev,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "0x%016llx\n",
 		       (unsigned long long) be64_to_cpu(target->service_id));
 }
@@ -1715,10 +1721,6 @@ static ssize_t show_pkey(struct device *dev, struct device_attribute *attr,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "0x%04x\n", be16_to_cpu(target->path.pkey));
 }
 
@@ -1727,10 +1729,6 @@ static ssize_t show_dgid(struct device *dev, struct device_attribute *attr,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "%pI6\n", target->path.dgid.raw);
 }
 
@@ -1739,10 +1737,6 @@ static ssize_t show_orig_dgid(struct device *dev,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "%pI6\n", target->orig_dgid);
 }
 
@@ -1751,10 +1745,6 @@ static ssize_t show_req_lim(struct device *dev,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "%d\n", target->req_lim);
 }
 
@@ -1763,10 +1753,6 @@ static ssize_t show_zero_req_lim(struct device *dev,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "%d\n", target->zero_req_lim);
 }
 
@@ -1989,7 +1975,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 				goto out;
 			}
 			if (strlen(p) != 32) {
-				printk(KERN_WARNING PFX "bad dest GID parameter '%s'\n", p);
+				pr_warn("bad dest GID parameter '%s'\n", p);
 				kfree(p);
 				goto out;
 			}
@@ -2004,7 +1990,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_PKEY:
 			if (match_hex(args, &token)) {
-				printk(KERN_WARNING PFX "bad P_Key parameter '%s'\n", p);
+				pr_warn("bad P_Key parameter '%s'\n", p);
 				goto out;
 			}
 			target->path.pkey = cpu_to_be16(token);
@@ -2023,7 +2009,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_MAX_SECT:
 			if (match_int(args, &token)) {
-				printk(KERN_WARNING PFX "bad max sect parameter '%s'\n", p);
+				pr_warn("bad max sect parameter '%s'\n", p);
 				goto out;
 			}
 			target->scsi_host->max_sectors = token;
@@ -2031,7 +2017,8 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_MAX_CMD_PER_LUN:
 			if (match_int(args, &token)) {
-				printk(KERN_WARNING PFX "bad max cmd_per_lun parameter '%s'\n", p);
+				pr_warn("bad max cmd_per_lun parameter '%s'\n",
+					p);
 				goto out;
 			}
 			target->scsi_host->cmd_per_lun = min(token, SRP_CMD_SQ_SIZE);
@@ -2039,14 +2026,14 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_IO_CLASS:
 			if (match_hex(args, &token)) {
-				printk(KERN_WARNING PFX "bad  IO class parameter '%s' \n", p);
+				pr_warn("bad IO class parameter '%s'\n", p);
 				goto out;
 			}
 			if (token != SRP_REV10_IB_IO_CLASS &&
 			    token != SRP_REV16A_IB_IO_CLASS) {
-				printk(KERN_WARNING PFX "unknown IO class parameter value"
-				       " %x specified (use %x or %x).\n",
-				       token, SRP_REV10_IB_IO_CLASS, SRP_REV16A_IB_IO_CLASS);
+				pr_warn("unknown IO class parameter value %x specified (use %x or %x).\n",
+					token, SRP_REV10_IB_IO_CLASS,
+					SRP_REV16A_IB_IO_CLASS);
 				goto out;
 			}
 			target->io_class = token;
@@ -2064,7 +2051,8 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_CMD_SG_ENTRIES:
 			if (match_int(args, &token) || token < 1 || token > 255) {
-				printk(KERN_WARNING PFX "bad max cmd_sg_entries parameter '%s'\n", p);
+				pr_warn("bad max cmd_sg_entries parameter '%s'\n",
+					p);
 				goto out;
 			}
 			target->cmd_sg_cnt = token;
@@ -2072,7 +2060,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_ALLOW_EXT_SG:
 			if (match_int(args, &token)) {
-				printk(KERN_WARNING PFX "bad allow_ext_sg parameter '%s'\n", p);
+				pr_warn("bad allow_ext_sg parameter '%s'\n", p);
 				goto out;
 			}
 			target->allow_ext_sg = !!token;
@@ -2081,15 +2069,16 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 		case SRP_OPT_SG_TABLESIZE:
 			if (match_int(args, &token) || token < 1 ||
 					token > SCSI_MAX_SG_CHAIN_SEGMENTS) {
-				printk(KERN_WARNING PFX "bad max sg_tablesize parameter '%s'\n", p);
+				pr_warn("bad max sg_tablesize parameter '%s'\n",
+					p);
 				goto out;
 			}
 			target->sg_tablesize = token;
 			break;
 
 		default:
-			printk(KERN_WARNING PFX "unknown parameter or missing value "
-			       "'%s' in target creation request\n", p);
+			pr_warn("unknown parameter or missing value '%s' in target creation request\n",
+				p);
 			goto out;
 		}
 	}
@@ -2100,9 +2089,8 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 		for (i = 0; i < ARRAY_SIZE(srp_opt_tokens); ++i)
 			if ((srp_opt_tokens[i].token & SRP_OPT_ALL) &&
 			    !(srp_opt_tokens[i].token & opt_mask))
-				printk(KERN_WARNING PFX "target creation request is "
-				       "missing parameter '%s'\n",
-				       srp_opt_tokens[i].pattern);
+				pr_warn("target creation request is missing parameter '%s'\n",
+					srp_opt_tokens[i].pattern);
 
 out:
 	kfree(options);
@@ -2149,7 +2137,7 @@ static ssize_t srp_create_target(struct device *dev,
 
 	if (!host->srp_dev->fmr_pool && !target->allow_ext_sg &&
 				target->cmd_sg_cnt < target->sg_tablesize) {
-		printk(KERN_WARNING PFX "No FMR pool and no external indirect descriptors, limiting sg_tablesize to cmd_sg_cnt\n");
+		pr_warn("No FMR pool and no external indirect descriptors, limiting sg_tablesize to cmd_sg_cnt\n");
 		target->sg_tablesize = target->cmd_sg_cnt;
 	}
 
@@ -2309,8 +2297,7 @@ static void srp_add_one(struct ib_device *device)
 		return;
 
 	if (ib_query_device(device, dev_attr)) {
-		printk(KERN_WARNING PFX "Query device failed for %s\n",
-		       device->name);
+		pr_warn("Query device failed for %s\n", device->name);
 		goto free_attr;
 	}
 
@@ -2429,6 +2416,7 @@ static void srp_remove_one(struct ib_device *device)
 
 		list_for_each_entry_safe(target, tmp_target,
 					 &host->target_list, list) {
+			srp_del_scsi_host_attr(target->scsi_host);
 			srp_remove_host(target->scsi_host);
 			scsi_remove_host(target->scsi_host);
 			srp_disconnect_target(target);
@@ -2459,7 +2447,7 @@ static int __init srp_init_module(void)
 	BUILD_BUG_ON(FIELD_SIZEOF(struct ib_wc, wr_id) < sizeof(void *));
 
 	if (srp_sg_tablesize) {
-		printk(KERN_WARNING PFX "srp_sg_tablesize is deprecated, please use cmd_sg_entries\n");
+		pr_warn("srp_sg_tablesize is deprecated, please use cmd_sg_entries\n");
 		if (!cmd_sg_entries)
 			cmd_sg_entries = srp_sg_tablesize;
 	}
@@ -2468,14 +2456,15 @@ static int __init srp_init_module(void)
 		cmd_sg_entries = SRP_DEF_SG_TABLESIZE;
 
 	if (cmd_sg_entries > 255) {
-		printk(KERN_WARNING PFX "Clamping cmd_sg_entries to 255\n");
+		pr_warn("Clamping cmd_sg_entries to 255\n");
 		cmd_sg_entries = 255;
 	}
 
 	if (!indirect_sg_entries)
 		indirect_sg_entries = cmd_sg_entries;
 	else if (indirect_sg_entries < cmd_sg_entries) {
-		printk(KERN_WARNING PFX "Bumping up indirect_sg_entries to match cmd_sg_entries (%u)\n", cmd_sg_entries);
+		pr_warn("Bumping up indirect_sg_entries to match cmd_sg_entries (%u)\n",
+			cmd_sg_entries);
 		indirect_sg_entries = cmd_sg_entries;
 	}
 
@@ -2486,7 +2475,7 @@ static int __init srp_init_module(void)
 
 	ret = class_register(&srp_class);
 	if (ret) {
-		printk(KERN_ERR PFX "couldn't register class infiniband_srp\n");
+		pr_err("couldn't register class infiniband_srp\n");
 		srp_release_transport(ib_srp_transport_template);
 		return ret;
 	}
@@ -2495,7 +2484,7 @@ static int __init srp_init_module(void)
 
 	ret = ib_register_client(&srp_client);
 	if (ret) {
-		printk(KERN_ERR PFX "couldn't register IB client\n");
+		pr_err("couldn't register IB client\n");
 		srp_release_transport(ib_srp_transport_template);
 		ib_sa_unregister_client(&srp_sa_client);
 		class_unregister(&srp_class);
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 4daf9e5a7736..20e5c2cda430 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -137,7 +137,7 @@ extern struct device_attribute macio_dev_attrs[];
 struct bus_type macio_bus_type = {
        .name	= "macio",
        .match	= macio_bus_match,
-       .uevent = of_device_uevent,
+       .uevent = of_device_uevent_modalias,
        .probe	= macio_device_probe,
        .remove	= macio_device_remove,
        .shutdown = macio_device_shutdown,
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index cdf36b1e9aa6..045e086144ad 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -457,7 +457,7 @@ void bitmap_update_sb(struct bitmap *bitmap)
 		return;
 	}
 	spin_unlock_irqrestore(&bitmap->lock, flags);
-	sb = kmap_atomic(bitmap->sb_page, KM_USER0);
+	sb = kmap_atomic(bitmap->sb_page);
 	sb->events = cpu_to_le64(bitmap->mddev->events);
 	if (bitmap->mddev->events < bitmap->events_cleared)
 		/* rocking back to read-only */
@@ -467,7 +467,7 @@ void bitmap_update_sb(struct bitmap *bitmap)
 	/* Just in case these have been changed via sysfs: */
 	sb->daemon_sleep = cpu_to_le32(bitmap->mddev->bitmap_info.daemon_sleep/HZ);
 	sb->write_behind = cpu_to_le32(bitmap->mddev->bitmap_info.max_write_behind);
-	kunmap_atomic(sb, KM_USER0);
+	kunmap_atomic(sb);
 	write_page(bitmap, bitmap->sb_page, 1);
 }
 
@@ -478,7 +478,7 @@ void bitmap_print_sb(struct bitmap *bitmap)
 
 	if (!bitmap || !bitmap->sb_page)
 		return;
-	sb = kmap_atomic(bitmap->sb_page, KM_USER0);
+	sb = kmap_atomic(bitmap->sb_page);
 	printk(KERN_DEBUG "%s: bitmap file superblock:\n", bmname(bitmap));
 	printk(KERN_DEBUG "         magic: %08x\n", le32_to_cpu(sb->magic));
 	printk(KERN_DEBUG "       version: %d\n", le32_to_cpu(sb->version));
@@ -497,7 +497,7 @@ void bitmap_print_sb(struct bitmap *bitmap)
 	printk(KERN_DEBUG "     sync size: %llu KB\n",
 			(unsigned long long)le64_to_cpu(sb->sync_size)/2);
 	printk(KERN_DEBUG "max write behind: %d\n", le32_to_cpu(sb->write_behind));
-	kunmap_atomic(sb, KM_USER0);
+	kunmap_atomic(sb);
 }
 
 /*
@@ -525,7 +525,7 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap)
 	}
 	bitmap->sb_page->index = 0;
 
-	sb = kmap_atomic(bitmap->sb_page, KM_USER0);
+	sb = kmap_atomic(bitmap->sb_page);
 
 	sb->magic = cpu_to_le32(BITMAP_MAGIC);
 	sb->version = cpu_to_le32(BITMAP_MAJOR_HI);
@@ -533,7 +533,7 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap)
 	chunksize = bitmap->mddev->bitmap_info.chunksize;
 	BUG_ON(!chunksize);
 	if (!is_power_of_2(chunksize)) {
-		kunmap_atomic(sb, KM_USER0);
+		kunmap_atomic(sb);
 		printk(KERN_ERR "bitmap chunksize not a power of 2\n");
 		return -EINVAL;
 	}
@@ -571,7 +571,7 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap)
 	bitmap->flags |= BITMAP_HOSTENDIAN;
 	sb->version = cpu_to_le32(BITMAP_MAJOR_HOSTENDIAN);
 
-	kunmap_atomic(sb, KM_USER0);
+	kunmap_atomic(sb);
 
 	return 0;
 }
@@ -603,7 +603,7 @@ static int bitmap_read_sb(struct bitmap *bitmap)
 		return err;
 	}
 
-	sb = kmap_atomic(bitmap->sb_page, KM_USER0);
+	sb = kmap_atomic(bitmap->sb_page);
 
 	chunksize = le32_to_cpu(sb->chunksize);
 	daemon_sleep = le32_to_cpu(sb->daemon_sleep) * HZ;
@@ -664,7 +664,7 @@ success:
 		bitmap->events_cleared = bitmap->mddev->events;
 	err = 0;
 out:
-	kunmap_atomic(sb, KM_USER0);
+	kunmap_atomic(sb);
 	if (err)
 		bitmap_print_sb(bitmap);
 	return err;
@@ -689,7 +689,7 @@ static int bitmap_mask_state(struct bitmap *bitmap, enum bitmap_state bits,
 		return 0;
 	}
 	spin_unlock_irqrestore(&bitmap->lock, flags);
-	sb = kmap_atomic(bitmap->sb_page, KM_USER0);
+	sb = kmap_atomic(bitmap->sb_page);
 	old = le32_to_cpu(sb->state) & bits;
 	switch (op) {
 	case MASK_SET:
@@ -703,7 +703,7 @@ static int bitmap_mask_state(struct bitmap *bitmap, enum bitmap_state bits,
 	default:
 		BUG();
 	}
-	kunmap_atomic(sb, KM_USER0);
+	kunmap_atomic(sb);
 	return old;
 }
 
@@ -881,12 +881,12 @@ static void bitmap_file_set_bit(struct bitmap *bitmap, sector_t block)
 	bit = file_page_offset(bitmap, chunk);
 
 	/* set the bit */
-	kaddr = kmap_atomic(page, KM_USER0);
+	kaddr = kmap_atomic(page);
 	if (bitmap->flags & BITMAP_HOSTENDIAN)
 		set_bit(bit, kaddr);
 	else
 		__set_bit_le(bit, kaddr);
-	kunmap_atomic(kaddr, KM_USER0);
+	kunmap_atomic(kaddr);
 	pr_debug("set file bit %lu page %lu\n", bit, page->index);
 	/* record page number so it gets flushed to disk when unplug occurs */
 	set_page_attr(bitmap, page, BITMAP_PAGE_DIRTY);
@@ -1050,10 +1050,10 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
 				 * if bitmap is out of date, dirty the
 				 * whole page and write it out
 				 */
-				paddr = kmap_atomic(page, KM_USER0);
+				paddr = kmap_atomic(page);
 				memset(paddr + offset, 0xff,
 				       PAGE_SIZE - offset);
-				kunmap_atomic(paddr, KM_USER0);
+				kunmap_atomic(paddr);
 				write_page(bitmap, page, 1);
 
 				ret = -EIO;
@@ -1061,12 +1061,12 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
 					goto err;
 			}
 		}
-		paddr = kmap_atomic(page, KM_USER0);
+		paddr = kmap_atomic(page);
 		if (bitmap->flags & BITMAP_HOSTENDIAN)
 			b = test_bit(bit, paddr);
 		else
 			b = test_bit_le(bit, paddr);
-		kunmap_atomic(paddr, KM_USER0);
+		kunmap_atomic(paddr);
 		if (b) {
 			/* if the disk bit is set, set the memory bit */
 			int needed = ((sector_t)(i+1) << (CHUNK_BLOCK_SHIFT(bitmap))
@@ -1209,10 +1209,10 @@ void bitmap_daemon_work(struct mddev *mddev)
 			    mddev->bitmap_info.external == 0) {
 				bitmap_super_t *sb;
 				bitmap->need_sync = 0;
-				sb = kmap_atomic(bitmap->sb_page, KM_USER0);
+				sb = kmap_atomic(bitmap->sb_page);
 				sb->events_cleared =
 					cpu_to_le64(bitmap->events_cleared);
-				kunmap_atomic(sb, KM_USER0);
+				kunmap_atomic(sb);
 				write_page(bitmap, bitmap->sb_page, 1);
 			}
 			spin_lock_irqsave(&bitmap->lock, flags);
@@ -1235,7 +1235,7 @@ void bitmap_daemon_work(struct mddev *mddev)
 						  -1);
 
 				/* clear the bit */
-				paddr = kmap_atomic(page, KM_USER0);
+				paddr = kmap_atomic(page);
 				if (bitmap->flags & BITMAP_HOSTENDIAN)
 					clear_bit(file_page_offset(bitmap, j),
 						  paddr);
@@ -1244,7 +1244,7 @@ void bitmap_daemon_work(struct mddev *mddev)
 						file_page_offset(bitmap,
 								 j),
 						paddr);
-				kunmap_atomic(paddr, KM_USER0);
+				kunmap_atomic(paddr);
 			} else if (*bmc <= 2) {
 				*bmc = 1; /* maybe clear the bit next time */
 				set_page_attr(bitmap, page, BITMAP_PAGE_PENDING);
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 8c2a000cf3f5..db6b51639cee 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -590,9 +590,9 @@ static int crypt_iv_lmk_gen(struct crypt_config *cc, u8 *iv,
 	int r = 0;
 
 	if (bio_data_dir(dmreq->ctx->bio_in) == WRITE) {
-		src = kmap_atomic(sg_page(&dmreq->sg_in), KM_USER0);
+		src = kmap_atomic(sg_page(&dmreq->sg_in));
 		r = crypt_iv_lmk_one(cc, iv, dmreq, src + dmreq->sg_in.offset);
-		kunmap_atomic(src, KM_USER0);
+		kunmap_atomic(src);
 	} else
 		memset(iv, 0, cc->iv_size);
 
@@ -608,14 +608,14 @@ static int crypt_iv_lmk_post(struct crypt_config *cc, u8 *iv,
 	if (bio_data_dir(dmreq->ctx->bio_in) == WRITE)
 		return 0;
 
-	dst = kmap_atomic(sg_page(&dmreq->sg_out), KM_USER0);
+	dst = kmap_atomic(sg_page(&dmreq->sg_out));
 	r = crypt_iv_lmk_one(cc, iv, dmreq, dst + dmreq->sg_out.offset);
 
 	/* Tweak the first block of plaintext sector */
 	if (!r)
 		crypto_xor(dst + dmreq->sg_out.offset, iv, cc->iv_size);
 
-	kunmap_atomic(dst, KM_USER0);
+	kunmap_atomic(dst);
 	return r;
 }
 
diff --git a/drivers/media/video/ivtv/ivtv-udma.c b/drivers/media/video/ivtv/ivtv-udma.c
index 69cc8166b20b..7338cb2d0a38 100644
--- a/drivers/media/video/ivtv/ivtv-udma.c
+++ b/drivers/media/video/ivtv/ivtv-udma.c
@@ -57,9 +57,9 @@ int ivtv_udma_fill_sg_list (struct ivtv_user_dma *dma, struct ivtv_dma_page_info
 			if (dma->bouncemap[map_offset] == NULL)
 				return -1;
 			local_irq_save(flags);
-			src = kmap_atomic(dma->map[map_offset], KM_BOUNCE_READ) + offset;
+			src = kmap_atomic(dma->map[map_offset]) + offset;
 			memcpy(page_address(dma->bouncemap[map_offset]) + offset, src, len);
-			kunmap_atomic(src, KM_BOUNCE_READ);
+			kunmap_atomic(src);
 			local_irq_restore(flags);
 			sg_set_page(&dma->SGlist[map_offset], dma->bouncemap[map_offset], len, offset);
 		}
diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c
index 5319e9b65847..c37d3756d8d2 100644
--- a/drivers/memstick/host/jmb38x_ms.c
+++ b/drivers/memstick/host/jmb38x_ms.c
@@ -325,7 +325,7 @@ static int jmb38x_ms_transfer_data(struct jmb38x_ms_host *host)
 			p_cnt = min(p_cnt, length);
 
 			local_irq_save(flags);
-			buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + p_off;
+			buf = kmap_atomic(pg) + p_off;
 		} else {
 			buf = host->req->data + host->block_pos;
 			p_cnt = host->req->data_len - host->block_pos;
@@ -341,7 +341,7 @@ static int jmb38x_ms_transfer_data(struct jmb38x_ms_host *host)
 				 : jmb38x_ms_read_reg_data(host, buf, p_cnt);
 
 		if (host->req->long_data) {
-			kunmap_atomic(buf - p_off, KM_BIO_SRC_IRQ);
+			kunmap_atomic(buf - p_off);
 			local_irq_restore(flags);
 		}
 
diff --git a/drivers/memstick/host/tifm_ms.c b/drivers/memstick/host/tifm_ms.c
index 6902b83eb1b4..7bafa72f8f57 100644
--- a/drivers/memstick/host/tifm_ms.c
+++ b/drivers/memstick/host/tifm_ms.c
@@ -210,7 +210,7 @@ static unsigned int tifm_ms_transfer_data(struct tifm_ms *host)
 			p_cnt = min(p_cnt, length);
 
 			local_irq_save(flags);
-			buf = kmap_atomic(pg, KM_BIO_SRC_IRQ) + p_off;
+			buf = kmap_atomic(pg) + p_off;
 		} else {
 			buf = host->req->data + host->block_pos;
 			p_cnt = host->req->data_len - host->block_pos;
@@ -221,7 +221,7 @@ static unsigned int tifm_ms_transfer_data(struct tifm_ms *host)
 			 : tifm_ms_read_data(host, buf, p_cnt);
 
 		if (host->req->long_data) {
-			kunmap_atomic(buf - p_off, KM_BIO_SRC_IRQ);
+			kunmap_atomic(buf - p_off);
 			local_irq_restore(flags);
 		}
 
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index f147395bac9a..1489c3540f96 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -201,6 +201,7 @@ config MENELAUS
 config TWL4030_CORE
 	bool "Texas Instruments TWL4030/TWL5030/TWL6030/TPS659x0 Support"
 	depends on I2C=y && GENERIC_HARDIRQS
+	select IRQ_DOMAIN
 	help
 	  Say yes here if you have TWL4030 / TWL6030 family chip on your board.
 	  This core driver provides register access and IRQ handling
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 8ce3959c6919..806680d1bbb4 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -38,6 +38,7 @@
 #include <linux/of.h>
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
+#include <linux/irq.h>
 #include <linux/irqdomain.h>
 
 #include <linux/regulator/machine.h>
@@ -149,7 +150,7 @@
 
 #define TWL_MODULE_LAST TWL4030_MODULE_LAST
 
-#define TWL4030_NR_IRQS    8
+#define TWL4030_NR_IRQS    34 /* core:8, power:8, gpio: 18 */
 #define TWL6030_NR_IRQS    20
 
 /* Base Address defns for twl4030_map[] */
@@ -263,10 +264,6 @@ struct twl_client {
 
 static struct twl_client twl_modules[TWL_NUM_SLAVES];
 
-#ifdef CONFIG_IRQ_DOMAIN
-static struct irq_domain domain;
-#endif
-
 /* mapping the module id to slave id and base address */
 struct twl_mapping {
 	unsigned char sid;	/* Slave ID */
@@ -621,6 +618,8 @@ add_regulator_linked(int num, struct regulator_init_data *pdata,
 		unsigned num_consumers, unsigned long features)
 {
 	unsigned sub_chip_id;
+	struct twl_regulator_driver_data drv_data;
+
 	/* regulator framework demands init_data ... */
 	if (!pdata)
 		return NULL;
@@ -630,7 +629,19 @@ add_regulator_linked(int num, struct regulator_init_data *pdata,
 		pdata->num_consumer_supplies = num_consumers;
 	}
 
-	pdata->driver_data = (void *)features;
+	if (pdata->driver_data) {
+		/* If we have existing drv_data, just add the flags */
+		struct twl_regulator_driver_data *tmp;
+		tmp = pdata->driver_data;
+		tmp->features |= features;
+	} else {
+		/* add new driver data struct, used only during init */
+		drv_data.features = features;
+		drv_data.set_voltage = NULL;
+		drv_data.get_voltage = NULL;
+		drv_data.data = NULL;
+		pdata->driver_data = &drv_data;
+	}
 
 	/* NOTE:  we currently ignore regulator IRQs, e.g. for short circuits */
 	sub_chip_id = twl_map[TWL_MODULE_PM_MASTER].sid;
@@ -753,9 +764,9 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
 
 		/* we need to connect regulators to this transceiver */
 		if (twl_has_regulator() && child) {
-			usb1v5.dev = child;
-			usb1v8.dev = child;
-			usb3v1.dev = child;
+			usb1v5.dev_name = dev_name(child);
+			usb1v8.dev_name = dev_name(child);
+			usb3v1.dev_name = dev_name(child);
 		}
 	}
 	if (twl_has_usb() && pdata->usb && twl_class_is_6030()) {
@@ -801,7 +812,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
 			return PTR_ERR(child);
 		/* we need to connect regulators to this transceiver */
 		if (twl_has_regulator() && child)
-			usb3v3.dev = child;
+			usb3v3.dev_name = dev_name(child);
 	} else if (twl_has_regulator() && twl_class_is_6030()) {
 		if (features & TWL6025_SUBCLASS)
 			child = add_regulator(TWL6025_REG_LDOUSB,
@@ -937,6 +948,31 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
 	/* twl6030 regulators */
 	if (twl_has_regulator() && twl_class_is_6030() &&
 			!(features & TWL6025_SUBCLASS)) {
+		child = add_regulator(TWL6030_REG_VDD1, pdata->vdd1,
+					features);
+		if (IS_ERR(child))
+			return PTR_ERR(child);
+
+		child = add_regulator(TWL6030_REG_VDD2, pdata->vdd2,
+					features);
+		if (IS_ERR(child))
+			return PTR_ERR(child);
+
+		child = add_regulator(TWL6030_REG_VDD3, pdata->vdd3,
+					features);
+		if (IS_ERR(child))
+			return PTR_ERR(child);
+
+		child = add_regulator(TWL6030_REG_V1V8, pdata->v1v8,
+					features);
+		if (IS_ERR(child))
+			return PTR_ERR(child);
+
+		child = add_regulator(TWL6030_REG_V2V1, pdata->v2v1,
+					features);
+		if (IS_ERR(child))
+			return PTR_ERR(child);
+
 		child = add_regulator(TWL6030_REG_VMMC, pdata->vmmc,
 					features);
 		if (IS_ERR(child))
@@ -1227,14 +1263,8 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
 	pdata->irq_base = status;
 	pdata->irq_end = pdata->irq_base + nr_irqs;
-
-#ifdef CONFIG_IRQ_DOMAIN
-	domain.irq_base = pdata->irq_base;
-	domain.nr_irq = nr_irqs;
-	domain.of_node = of_node_get(node);
-	domain.ops = &irq_domain_simple_ops;
-	irq_domain_add(&domain);
-#endif
+	irq_domain_add_legacy(node, nr_irqs, pdata->irq_base, 0,
+			      &irq_domain_simple_ops, NULL);
 
 	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) {
 		dev_dbg(&client->dev, "can't talk I2C?\n");
@@ -1315,11 +1345,10 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		twl_i2c_write_u8(TWL4030_MODULE_INTBR, temp, REG_GPPUPDCTR1);
 	}
 
-#ifdef CONFIG_OF_DEVICE
+	status = -ENODEV;
 	if (node)
 		status = of_platform_populate(node, NULL, NULL, &client->dev);
-	else
-#endif
+	if (status)
 		status = add_children(pdata, id->driver_data);
 
 fail:
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 352d4797865b..75a485448796 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -56,6 +56,7 @@
 #include <linux/mmc/sh_mmcif.h>
 #include <linux/pagemap.h>
 #include <linux/platform_device.h>
+#include <linux/pm_qos.h>
 #include <linux/pm_runtime.h>
 #include <linux/spinlock.h>
 #include <linux/module.h>
@@ -1346,6 +1347,8 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto clean_up5;
 
+	dev_pm_qos_expose_latency_limit(&pdev->dev, 100);
+
 	dev_info(&pdev->dev, "driver version %s\n", DRIVER_VERSION);
 	dev_dbg(&pdev->dev, "chip ver H'%04x\n",
 		sh_mmcif_readl(host->addr, MMCIF_CE_VERSION) & 0x0000ffff);
@@ -1376,6 +1379,8 @@ static int __devexit sh_mmcif_remove(struct platform_device *pdev)
 	host->dying = true;
 	pm_runtime_get_sync(&pdev->dev);
 
+	dev_pm_qos_hide_latency_limit(&pdev->dev);
+
 	mmc_remove_host(host->mmc);
 	sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, MASK_ALL);
 
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index 5f9ad74fbf80..e21988901c36 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -39,6 +39,7 @@
 #include <linux/module.h>
 #include <linux/pagemap.h>
 #include <linux/platform_device.h>
+#include <linux/pm_qos.h>
 #include <linux/pm_runtime.h>
 #include <linux/scatterlist.h>
 #include <linux/spinlock.h>
@@ -955,6 +956,8 @@ int __devinit tmio_mmc_host_probe(struct tmio_mmc_host **host,
 
 	mmc_add_host(mmc);
 
+	dev_pm_qos_expose_latency_limit(&pdev->dev, 100);
+
 	/* Unmask the IRQs we want to know about */
 	if (!_host->chan_rx)
 		irq_mask |= TMIO_MASK_READOP;
@@ -993,6 +996,8 @@ void tmio_mmc_host_remove(struct tmio_mmc_host *host)
 		|| host->mmc->caps & MMC_CAP_NONREMOVABLE)
 		pm_runtime_get_sync(&pdev->dev);
 
+	dev_pm_qos_hide_latency_limit(&pdev->dev);
+
 	mmc_remove_host(host->mmc);
 	cancel_work_sync(&host->done);
 	cancel_delayed_work_sync(&host->delayed_reset_work);
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 0730203a19f2..b920d829692a 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2573,12 +2573,16 @@ re_arm:
 static int bond_has_this_ip(struct bonding *bond, __be32 ip)
 {
 	struct vlan_entry *vlan;
+	struct net_device *vlan_dev;
 
-	if (ip == bond->master_ip)
+	if (ip == bond_confirm_addr(bond->dev, 0, ip))
 		return 1;
 
 	list_for_each_entry(vlan, &bond->vlan_list, vlan_list) {
-		if (ip == vlan->vlan_ip)
+		rcu_read_lock();
+		vlan_dev = __vlan_find_dev_deep(bond->dev, vlan->vlan_id);
+		rcu_read_unlock();
+		if (vlan_dev && ip == bond_confirm_addr(vlan_dev, 0, ip))
 			return 1;
 	}
 
@@ -2620,17 +2624,19 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
 	int i, vlan_id;
 	__be32 *targets = bond->params.arp_targets;
 	struct vlan_entry *vlan;
-	struct net_device *vlan_dev;
+	struct net_device *vlan_dev = NULL;
 	struct rtable *rt;
 
 	for (i = 0; (i < BOND_MAX_ARP_TARGETS); i++) {
+		__be32 addr;
 		if (!targets[i])
 			break;
 		pr_debug("basa: target %x\n", targets[i]);
 		if (!bond_vlan_used(bond)) {
 			pr_debug("basa: empty vlan: arp_send\n");
+			addr = bond_confirm_addr(bond->dev, targets[i], 0);
 			bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
-				      bond->master_ip, 0);
+				      addr, 0);
 			continue;
 		}
 
@@ -2655,8 +2661,9 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
 		if (rt->dst.dev == bond->dev) {
 			ip_rt_put(rt);
 			pr_debug("basa: rtdev == bond->dev: arp_send\n");
+			addr = bond_confirm_addr(bond->dev, targets[i], 0);
 			bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
-				      bond->master_ip, 0);
+				      addr, 0);
 			continue;
 		}
 
@@ -2674,10 +2681,11 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
 			}
 		}
 
-		if (vlan_id) {
+		if (vlan_id && vlan_dev) {
 			ip_rt_put(rt);
+			addr = bond_confirm_addr(vlan_dev, targets[i], 0);
 			bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
-				      vlan->vlan_ip, vlan_id);
+				      addr, vlan_id);
 			continue;
 		}
 
@@ -3299,68 +3307,10 @@ static int bond_netdev_event(struct notifier_block *this,
 	return NOTIFY_DONE;
 }
 
-/*
- * bond_inetaddr_event: handle inetaddr notifier chain events.
- *
- * We keep track of device IPs primarily to use as source addresses in
- * ARP monitor probes (rather than spewing out broadcasts all the time).
- *
- * We track one IP for the main device (if it has one), plus one per VLAN.
- */
-static int bond_inetaddr_event(struct notifier_block *this, unsigned long event, void *ptr)
-{
-	struct in_ifaddr *ifa = ptr;
-	struct net_device *vlan_dev, *event_dev = ifa->ifa_dev->dev;
-	struct bond_net *bn = net_generic(dev_net(event_dev), bond_net_id);
-	struct bonding *bond;
-	struct vlan_entry *vlan;
-
-	/* we only care about primary address */
-	if(ifa->ifa_flags & IFA_F_SECONDARY)
-		return NOTIFY_DONE;
-
-	list_for_each_entry(bond, &bn->dev_list, bond_list) {
-		if (bond->dev == event_dev) {
-			switch (event) {
-			case NETDEV_UP:
-				bond->master_ip = ifa->ifa_local;
-				return NOTIFY_OK;
-			case NETDEV_DOWN:
-				bond->master_ip = 0;
-				return NOTIFY_OK;
-			default:
-				return NOTIFY_DONE;
-			}
-		}
-
-		list_for_each_entry(vlan, &bond->vlan_list, vlan_list) {
-			vlan_dev = __vlan_find_dev_deep(bond->dev,
-							vlan->vlan_id);
-			if (vlan_dev == event_dev) {
-				switch (event) {
-				case NETDEV_UP:
-					vlan->vlan_ip = ifa->ifa_local;
-					return NOTIFY_OK;
-				case NETDEV_DOWN:
-					vlan->vlan_ip = 0;
-					return NOTIFY_OK;
-				default:
-					return NOTIFY_DONE;
-				}
-			}
-		}
-	}
-	return NOTIFY_DONE;
-}
-
 static struct notifier_block bond_netdev_notifier = {
 	.notifier_call = bond_netdev_event,
 };
 
-static struct notifier_block bond_inetaddr_notifier = {
-	.notifier_call = bond_inetaddr_event,
-};
-
 /*---------------------------- Hashing Policies -----------------------------*/
 
 /*
@@ -4929,7 +4879,6 @@ static int __init bonding_init(void)
 	}
 
 	register_netdevice_notifier(&bond_netdev_notifier);
-	register_inetaddr_notifier(&bond_inetaddr_notifier);
 out:
 	return res;
 err:
@@ -4943,7 +4892,6 @@ err_link:
 static void __exit bonding_exit(void)
 {
 	unregister_netdevice_notifier(&bond_netdev_notifier);
-	unregister_inetaddr_notifier(&bond_inetaddr_notifier);
 
 	bond_destroy_debugfs();
 
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 1aecc37e5b4d..9f2bae6616d3 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -21,6 +21,7 @@
 #include <linux/cpumask.h>
 #include <linux/in6.h>
 #include <linux/netpoll.h>
+#include <linux/inetdevice.h>
 #include "bond_3ad.h"
 #include "bond_alb.h"
 
@@ -166,7 +167,6 @@ struct bond_parm_tbl {
 
 struct vlan_entry {
 	struct list_head vlan_list;
-	__be32 vlan_ip;
 	unsigned short vlan_id;
 };
 
@@ -232,7 +232,6 @@ struct bonding {
 	struct   list_head bond_list;
 	struct   netdev_hw_addr_list mc_list;
 	int      (*xmit_hash_policy)(struct sk_buff *, int);
-	__be32   master_ip;
 	u16      rr_tx_counter;
 	struct   ad_bond_info ad_info;
 	struct   alb_bond_info alb_info;
@@ -378,6 +377,21 @@ static inline bool bond_is_slave_inactive(struct slave *slave)
 	return slave->inactive;
 }
 
+static inline __be32 bond_confirm_addr(struct net_device *dev, __be32 dst, __be32 local)
+{
+	struct in_device *in_dev;
+	__be32 addr = 0;
+
+	rcu_read_lock();
+	in_dev = __in_dev_get_rcu(dev);
+
+	if (in_dev)
+		addr = inet_confirm_addr(in_dev, dst, local, RT_SCOPE_HOST);
+
+	rcu_read_unlock();
+	return addr;
+}
+
 struct bond_net;
 
 struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr);
diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index 7b65716b8734..c95e7b5e2b85 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -47,6 +47,7 @@
 #include "bnx2x/bnx2x_hsi.h"
 #include "../../../scsi/bnx2i/57xx_iscsi_constants.h"
 #include "../../../scsi/bnx2i/57xx_iscsi_hsi.h"
+#include "../../../scsi/bnx2fc/bnx2fc_constants.h"
 #include "cnic.h"
 #include "cnic_defs.h"
 
@@ -2547,7 +2548,7 @@ static void cnic_bnx2x_kwqe_err(struct cnic_dev *dev, struct kwqe *kwqe)
 		}
 		kcqe.kcqe_op_flag = kcqe_op << KCQE_FLAGS_OPCODE_SHIFT;
 		kcqe.kcqe_op_flag |= KCQE_FLAGS_LAYER_MASK_L5_FCOE;
-		kcqe.kcqe_info1 = FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR;
+		kcqe.kcqe_info1 = FCOE_KCQE_COMPLETION_STATUS_PARITY_ERROR;
 		kcqe.kcqe_info2 = cid;
 		kcqe.kcqe_info0 = l5_cid;
 
@@ -2558,7 +2559,7 @@ static void cnic_bnx2x_kwqe_err(struct cnic_dev *dev, struct kwqe *kwqe)
 
 		kcqe.kcqe_op_flag = (opcode + 0x10) << KCQE_FLAGS_OPCODE_SHIFT;
 		kcqe.kcqe_op_flag |= KCQE_FLAGS_LAYER_MASK_L5_ISCSI;
-		kcqe.kcqe_info1 = ISCSI_KCQE_COMPLETION_STATUS_NIC_ERROR;
+		kcqe.kcqe_info1 = ISCSI_KCQE_COMPLETION_STATUS_PARITY_ERR;
 		kcqe.kcqe_info2 = cid;
 		cnic_get_l5_cid(cp, BNX2X_SW_CID(cid), &kcqe.kcqe_info0);
 
@@ -2577,7 +2578,7 @@ static void cnic_bnx2x_kwqe_err(struct cnic_dev *dev, struct kwqe *kwqe)
 
 		kcqe.kcqe_op_flag = (kcqe_op << KCQE_FLAGS_OPCODE_SHIFT) |
 				    KCQE_FLAGS_LAYER_MASK_L4;
-		l4kcqe->status = L4_KCQE_COMPLETION_STATUS_NIC_ERROR;
+		l4kcqe->status = L4_KCQE_COMPLETION_STATUS_PARITY_ERROR;
 		l4kcqe->cid = cid;
 		cnic_get_l5_cid(cp, BNX2X_SW_CID(cid), &l4kcqe->conn_id);
 	} else {
@@ -3933,7 +3934,8 @@ static void cnic_cm_process_kcqe(struct cnic_dev *dev, struct kcqe *kcqe)
 	case L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE:
 		if (l4kcqe->status == 0)
 			set_bit(SK_F_OFFLD_COMPLETE, &csk->flags);
-		else if (l4kcqe->status == L4_KCQE_COMPLETION_STATUS_NIC_ERROR)
+		else if (l4kcqe->status ==
+			 L4_KCQE_COMPLETION_STATUS_PARITY_ERROR)
 			set_bit(SK_F_HW_ERR, &csk->flags);
 
 		smp_mb__before_clear_bit();
@@ -3946,7 +3948,7 @@ static void cnic_cm_process_kcqe(struct cnic_dev *dev, struct kcqe *kcqe)
 	case L4_KCQE_OPCODE_VALUE_RESET_COMP:
 	case L5CM_RAMROD_CMD_ID_SEARCHER_DELETE:
 	case L5CM_RAMROD_CMD_ID_TERMINATE_OFFLOAD:
-		if (l4kcqe->status == L4_KCQE_COMPLETION_STATUS_NIC_ERROR)
+		if (l4kcqe->status == L4_KCQE_COMPLETION_STATUS_PARITY_ERROR)
 			set_bit(SK_F_HW_ERR, &csk->flags);
 
 		cp->close_conn(csk, opcode);
diff --git a/drivers/net/ethernet/broadcom/cnic_defs.h b/drivers/net/ethernet/broadcom/cnic_defs.h
index 06ca00266d70..382c98b0cc0c 100644
--- a/drivers/net/ethernet/broadcom/cnic_defs.h
+++ b/drivers/net/ethernet/broadcom/cnic_defs.h
@@ -35,16 +35,6 @@
 #define L5CM_RAMROD_CMD_ID_SEARCHER_DELETE	(L5CM_RAMROD_CMD_ID_BASE + 14)
 #define L5CM_RAMROD_CMD_ID_TERMINATE_OFFLOAD	(L5CM_RAMROD_CMD_ID_BASE + 15)
 
-#define FCOE_KCQE_OPCODE_INIT_FUNC			(0x10)
-#define FCOE_KCQE_OPCODE_DESTROY_FUNC			(0x11)
-#define FCOE_KCQE_OPCODE_STAT_FUNC			(0x12)
-#define FCOE_KCQE_OPCODE_OFFLOAD_CONN			(0x15)
-#define FCOE_KCQE_OPCODE_ENABLE_CONN			(0x16)
-#define FCOE_KCQE_OPCODE_DISABLE_CONN			(0x17)
-#define FCOE_KCQE_OPCODE_DESTROY_CONN			(0x18)
-#define FCOE_KCQE_OPCODE_CQ_EVENT_NOTIFICATION  (0x20)
-#define FCOE_KCQE_OPCODE_FCOE_ERROR				(0x21)
-
 #define FCOE_RAMROD_CMD_ID_INIT_FUNC		(FCOE_KCQE_OPCODE_INIT_FUNC)
 #define FCOE_RAMROD_CMD_ID_DESTROY_FUNC		(FCOE_KCQE_OPCODE_DESTROY_FUNC)
 #define FCOE_RAMROD_CMD_ID_STAT_FUNC		(FCOE_KCQE_OPCODE_STAT_FUNC)
@@ -54,23 +44,6 @@
 #define FCOE_RAMROD_CMD_ID_DESTROY_CONN		(FCOE_KCQE_OPCODE_DESTROY_CONN)
 #define FCOE_RAMROD_CMD_ID_TERMINATE_CONN	(0x81)
 
-#define FCOE_KWQE_OPCODE_INIT1                  (0)
-#define FCOE_KWQE_OPCODE_INIT2                  (1)
-#define FCOE_KWQE_OPCODE_INIT3                  (2)
-#define FCOE_KWQE_OPCODE_OFFLOAD_CONN1  (3)
-#define FCOE_KWQE_OPCODE_OFFLOAD_CONN2  (4)
-#define FCOE_KWQE_OPCODE_OFFLOAD_CONN3  (5)
-#define FCOE_KWQE_OPCODE_OFFLOAD_CONN4  (6)
-#define FCOE_KWQE_OPCODE_ENABLE_CONN	(7)
-#define FCOE_KWQE_OPCODE_DISABLE_CONN	(8)
-#define FCOE_KWQE_OPCODE_DESTROY_CONN	(9)
-#define FCOE_KWQE_OPCODE_DESTROY		(10)
-#define FCOE_KWQE_OPCODE_STAT			(11)
-
-#define FCOE_KCQE_COMPLETION_STATUS_ERROR	(0x1)
-#define FCOE_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE	(0x3)
-#define FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR	(0x5)
-
 /* KCQ (kernel completion queue) response op codes */
 #define L4_KCQE_OPCODE_VALUE_CLOSE_COMP             (53)
 #define L4_KCQE_OPCODE_VALUE_RESET_COMP             (54)
@@ -87,6 +60,7 @@
 /* KCQ (kernel completion queue) completion status */
 #define L4_KCQE_COMPLETION_STATUS_SUCCESS           (0)
 #define L4_KCQE_COMPLETION_STATUS_NIC_ERROR         (4)
+#define L4_KCQE_COMPLETION_STATUS_PARITY_ERROR	    (0x81)
 #define L4_KCQE_COMPLETION_STATUS_TIMEOUT           (0x93)
 
 #define L4_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAIL    (0x83)
diff --git a/drivers/net/ethernet/broadcom/cnic_if.h b/drivers/net/ethernet/broadcom/cnic_if.h
index 60deb84d36bd..289274e546be 100644
--- a/drivers/net/ethernet/broadcom/cnic_if.h
+++ b/drivers/net/ethernet/broadcom/cnic_if.h
@@ -12,8 +12,8 @@
 #ifndef CNIC_IF_H
 #define CNIC_IF_H
 
-#define CNIC_MODULE_VERSION	"2.5.9"
-#define CNIC_MODULE_RELDATE	"Feb 8, 2012"
+#define CNIC_MODULE_VERSION	"2.5.10"
+#define CNIC_MODULE_RELDATE	"March 21, 2012"
 
 #define CNIC_ULP_RDMA		0
 #define CNIC_ULP_ISCSI		1
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index b0657466041d..7b71387cf93c 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -89,10 +89,10 @@ static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits)
 
 #define DRV_MODULE_NAME		"tg3"
 #define TG3_MAJ_NUM			3
-#define TG3_MIN_NUM			122
+#define TG3_MIN_NUM			123
 #define DRV_MODULE_VERSION	\
 	__stringify(TG3_MAJ_NUM) "." __stringify(TG3_MIN_NUM)
-#define DRV_MODULE_RELDATE	"December 7, 2011"
+#define DRV_MODULE_RELDATE	"March 21, 2012"
 
 #define RESET_KIND_SHUTDOWN	0
 #define RESET_KIND_INIT		1
@@ -5953,8 +5953,10 @@ next_pkt_nopost:
 		tpr->rx_std_prod_idx = std_prod_idx & tp->rx_std_ring_mask;
 		tpr->rx_jmb_prod_idx = jmb_prod_idx & tp->rx_jmb_ring_mask;
 
-		if (tnapi != &tp->napi[1])
+		if (tnapi != &tp->napi[1]) {
+			tp->rx_refill = true;
 			napi_schedule(&tp->napi[1].napi);
+		}
 	}
 
 	return received;
@@ -6134,6 +6136,7 @@ static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
 		u32 std_prod_idx = dpr->rx_std_prod_idx;
 		u32 jmb_prod_idx = dpr->rx_jmb_prod_idx;
 
+		tp->rx_refill = false;
 		for (i = 1; i < tp->irq_cnt; i++)
 			err |= tg3_rx_prodring_xfer(tp, dpr,
 						    &tp->napi[i].prodring);
@@ -6197,9 +6200,25 @@ static int tg3_poll_msix(struct napi_struct *napi, int budget)
 		/* check for RX/TX work to do */
 		if (likely(sblk->idx[0].tx_consumer == tnapi->tx_cons &&
 			   *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr)) {
+
+			/* This test here is not race free, but will reduce
+			 * the number of interrupts by looping again.
+			 */
+			if (tnapi == &tp->napi[1] && tp->rx_refill)
+				continue;
+
 			napi_complete(napi);
 			/* Reenable interrupts. */
 			tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
+
+			/* This test here is synchronized by napi_schedule()
+			 * and napi_complete() to close the race condition.
+			 */
+			if (unlikely(tnapi == &tp->napi[1] && tp->rx_refill)) {
+				tw32(HOSTCC_MODE, tp->coalesce_mode |
+						  HOSTCC_MODE_ENABLE |
+						  tnapi->coal_now);
+			}
 			mmiowb();
 			break;
 		}
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index 66bcfca55261..93865f899a4f 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -3007,6 +3007,7 @@ struct tg3 {
 	u32				rx_std_max_post;
 	u32				rx_offset;
 	u32				rx_pkt_map_sz;
+	bool				rx_refill;
 
 
 	/* begin "everything else" cacheline(s) section */
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index d9428f0e738a..e7bed5303997 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -968,7 +968,6 @@ static int gfar_probe(struct platform_device *ofdev)
 	struct gfar_private *priv = NULL;
 	struct gfar __iomem *regs = NULL;
 	int err = 0, i, grp_idx = 0;
-	int len_devname;
 	u32 rstat = 0, tstat = 0, rqueue = 0, tqueue = 0;
 	u32 isrg = 0;
 	u32 __iomem *baddr;
@@ -1169,40 +1168,16 @@ static int gfar_probe(struct platform_device *ofdev)
 		priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
 
 	/* fill out IRQ number and name fields */
-	len_devname = strlen(dev->name);
 	for (i = 0; i < priv->num_grps; i++) {
-		strncpy(&priv->gfargrp[i].int_name_tx[0], dev->name,
-				len_devname);
 		if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
-			strncpy(&priv->gfargrp[i].int_name_tx[len_devname],
-				"_g", sizeof("_g"));
-			priv->gfargrp[i].int_name_tx[
-				strlen(priv->gfargrp[i].int_name_tx)] = i+48;
-			strncpy(&priv->gfargrp[i].int_name_tx[strlen(
-				priv->gfargrp[i].int_name_tx)],
-				"_tx", sizeof("_tx") + 1);
-
-			strncpy(&priv->gfargrp[i].int_name_rx[0], dev->name,
-					len_devname);
-			strncpy(&priv->gfargrp[i].int_name_rx[len_devname],
-					"_g", sizeof("_g"));
-			priv->gfargrp[i].int_name_rx[
-				strlen(priv->gfargrp[i].int_name_rx)] = i+48;
-			strncpy(&priv->gfargrp[i].int_name_rx[strlen(
-				priv->gfargrp[i].int_name_rx)],
-				"_rx", sizeof("_rx") + 1);
-
-			strncpy(&priv->gfargrp[i].int_name_er[0], dev->name,
-					len_devname);
-			strncpy(&priv->gfargrp[i].int_name_er[len_devname],
-				"_g", sizeof("_g"));
-			priv->gfargrp[i].int_name_er[strlen(
-					priv->gfargrp[i].int_name_er)] = i+48;
-			strncpy(&priv->gfargrp[i].int_name_er[strlen(\
-				priv->gfargrp[i].int_name_er)],
-				"_er", sizeof("_er") + 1);
+			sprintf(priv->gfargrp[i].int_name_tx, "%s%s%c%s",
+				dev->name, "_g", '0' + i, "_tx");
+			sprintf(priv->gfargrp[i].int_name_rx, "%s%s%c%s",
+				dev->name, "_g", '0' + i, "_rx");
+			sprintf(priv->gfargrp[i].int_name_er, "%s%s%c%s",
+				dev->name, "_g", '0' + i, "_er");
 		} else
-			priv->gfargrp[i].int_name_tx[len_devname] = '\0';
+			strcpy(priv->gfargrp[i].int_name_tx, dev->name);
 	}
 
 	/* Initialize the filer table */
diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h
index fc2488adca36..4c9f8d487dbb 100644
--- a/drivers/net/ethernet/freescale/gianfar.h
+++ b/drivers/net/ethernet/freescale/gianfar.h
@@ -517,7 +517,7 @@ extern const char gfar_driver_version[];
 #define RXFCB_PERR_MASK		0x000c
 #define RXFCB_PERR_BADL3	0x0008
 
-#define GFAR_INT_NAME_MAX	IFNAMSIZ + 4
+#define GFAR_INT_NAME_MAX	(IFNAMSIZ + 6)	/* '_g#_xx' */
 
 struct txbd8
 {
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 6419a88a69e6..0e9aec8f6917 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -4101,11 +4101,9 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
 				if (length <= copybreak &&
 				    skb_tailroom(skb) >= length) {
 					u8 *vaddr;
-					vaddr = kmap_atomic(buffer_info->page,
-					                    KM_SKB_DATA_SOFTIRQ);
+					vaddr = kmap_atomic(buffer_info->page);
 					memcpy(skb_tail_pointer(skb), vaddr, length);
-					kunmap_atomic(vaddr,
-					              KM_SKB_DATA_SOFTIRQ);
+					kunmap_atomic(vaddr);
 					/* re-use the page, so don't erase
 					 * buffer_info->page */
 					skb_put(skb, length);
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index a9a4ea2c616e..7152eb11b7b9 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -1301,10 +1301,9 @@ static bool e1000_clean_rx_irq_ps(struct e1000_ring *rx_ring, int *work_done,
 							ps_page->dma,
 							PAGE_SIZE,
 							DMA_FROM_DEVICE);
-				vaddr = kmap_atomic(ps_page->page,
-						    KM_SKB_DATA_SOFTIRQ);
+				vaddr = kmap_atomic(ps_page->page);
 				memcpy(skb_tail_pointer(skb), vaddr, l1);
-				kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
+				kunmap_atomic(vaddr);
 				dma_sync_single_for_device(&pdev->dev,
 							   ps_page->dma,
 							   PAGE_SIZE,
@@ -1503,12 +1502,10 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_ring *rx_ring, int *work_done,
 				if (length <= copybreak &&
 				    skb_tailroom(skb) >= length) {
 					u8 *vaddr;
-					vaddr = kmap_atomic(buffer_info->page,
-					                   KM_SKB_DATA_SOFTIRQ);
+					vaddr = kmap_atomic(buffer_info->page);
 					memcpy(skb_tail_pointer(skb), vaddr,
 					       length);
-					kunmap_atomic(vaddr,
-					              KM_SKB_DATA_SOFTIRQ);
+					kunmap_atomic(vaddr);
 					/* re-use the page, so don't erase
 					 * buffer_info->page */
 					skb_put(skb, length);
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 82c2c86a1951..423a1a2a702e 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -95,6 +95,10 @@ static int disable_msi = 0;
 module_param(disable_msi, int, 0);
 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
 
+static int legacy_pme = 0;
+module_param(legacy_pme, int, 0);
+MODULE_PARM_DESC(legacy_pme, "Legacy power management");
+
 static DEFINE_PCI_DEVICE_TABLE(sky2_id_table) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */
 	{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */
@@ -867,6 +871,13 @@ static void sky2_wol_init(struct sky2_port *sky2)
 	/* Disable PiG firmware */
 	sky2_write16(hw, B0_CTST, Y2_HW_WOL_OFF);
 
+	/* Needed by some broken BIOSes, use PCI rather than PCI-e for WOL */
+	if (legacy_pme) {
+		u32 reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
+		reg1 |= PCI_Y2_PME_LEGACY;
+		sky2_pci_write32(hw, PCI_DEV_REG1, reg1);
+	}
+
 	/* block receiver */
 	sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
 	sky2_read32(hw, B0_CTST);
diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c
index 9129ace02560..3b6f8efbf141 100644
--- a/drivers/net/ethernet/mellanox/mlx4/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/eq.c
@@ -79,7 +79,8 @@ enum {
 			       (1ull << MLX4_EVENT_TYPE_SRQ_LIMIT)	    | \
 			       (1ull << MLX4_EVENT_TYPE_CMD)		    | \
 			       (1ull << MLX4_EVENT_TYPE_COMM_CHANNEL)       | \
-			       (1ull << MLX4_EVENT_TYPE_FLR_EVENT))
+			       (1ull << MLX4_EVENT_TYPE_FLR_EVENT)	    | \
+			       (1ull << MLX4_EVENT_TYPE_FATAL_WARNING))
 
 static void eq_set_ci(struct mlx4_eq *eq, int req_not)
 {
@@ -443,6 +444,35 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
 			queue_work(priv->mfunc.master.comm_wq,
 				   &priv->mfunc.master.slave_flr_event_work);
 			break;
+
+		case MLX4_EVENT_TYPE_FATAL_WARNING:
+			if (eqe->subtype == MLX4_FATAL_WARNING_SUBTYPE_WARMING) {
+				if (mlx4_is_master(dev))
+					for (i = 0; i < dev->num_slaves; i++) {
+						mlx4_dbg(dev, "%s: Sending "
+							"MLX4_FATAL_WARNING_SUBTYPE_WARMING"
+							" to slave: %d\n", __func__, i);
+						if (i == dev->caps.function)
+							continue;
+						mlx4_slave_event(dev, i, eqe);
+					}
+				mlx4_err(dev, "Temperature Threshold was reached! "
+					"Threshold: %d celsius degrees; "
+					"Current Temperature: %d\n",
+					be16_to_cpu(eqe->event.warming.warning_threshold),
+					be16_to_cpu(eqe->event.warming.current_temperature));
+			} else
+				mlx4_warn(dev, "Unhandled event FATAL WARNING (%02x), "
+					  "subtype %02x on EQ %d at index %u. owner=%x, "
+					  "nent=0x%x, slave=%x, ownership=%s\n",
+					  eqe->type, eqe->subtype, eq->eqn,
+					  eq->cons_index, eqe->owner, eq->nent,
+					  eqe->slave_id,
+					  !!(eqe->owner & 0x80) ^
+					  !!(eq->cons_index & eq->nent) ? "HW" : "SW");
+
+			break;
+
 		case MLX4_EVENT_TYPE_EEC_CATAS_ERROR:
 		case MLX4_EVENT_TYPE_ECC_DETECT:
 		default:
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 5f15014713bc..8bb05b46db86 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -394,7 +394,7 @@ static int mlx4_how_many_lives_vf(struct mlx4_dev *dev)
 	return ret;
 }
 
-static int mlx4_is_slave_active(struct mlx4_dev *dev, int slave)
+int mlx4_is_slave_active(struct mlx4_dev *dev, int slave)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	struct mlx4_slave_state *s_slave;
@@ -646,6 +646,99 @@ out:
 	return err ? err : count;
 }
 
+enum ibta_mtu {
+	IB_MTU_256  = 1,
+	IB_MTU_512  = 2,
+	IB_MTU_1024 = 3,
+	IB_MTU_2048 = 4,
+	IB_MTU_4096 = 5
+};
+
+static inline int int_to_ibta_mtu(int mtu)
+{
+	switch (mtu) {
+	case 256:  return IB_MTU_256;
+	case 512:  return IB_MTU_512;
+	case 1024: return IB_MTU_1024;
+	case 2048: return IB_MTU_2048;
+	case 4096: return IB_MTU_4096;
+	default: return -1;
+	}
+}
+
+static inline int ibta_mtu_to_int(enum ibta_mtu mtu)
+{
+	switch (mtu) {
+	case IB_MTU_256:  return  256;
+	case IB_MTU_512:  return  512;
+	case IB_MTU_1024: return 1024;
+	case IB_MTU_2048: return 2048;
+	case IB_MTU_4096: return 4096;
+	default: return -1;
+	}
+}
+
+static ssize_t show_port_ib_mtu(struct device *dev,
+			     struct device_attribute *attr,
+			     char *buf)
+{
+	struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
+						   port_mtu_attr);
+	struct mlx4_dev *mdev = info->dev;
+
+	if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH)
+		mlx4_warn(mdev, "port level mtu is only used for IB ports\n");
+
+	sprintf(buf, "%d\n",
+			ibta_mtu_to_int(mdev->caps.port_ib_mtu[info->port]));
+	return strlen(buf);
+}
+
+static ssize_t set_port_ib_mtu(struct device *dev,
+			     struct device_attribute *attr,
+			     const char *buf, size_t count)
+{
+	struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
+						   port_mtu_attr);
+	struct mlx4_dev *mdev = info->dev;
+	struct mlx4_priv *priv = mlx4_priv(mdev);
+	int err, port, mtu, ibta_mtu = -1;
+
+	if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) {
+		mlx4_warn(mdev, "port level mtu is only used for IB ports\n");
+		return -EINVAL;
+	}
+
+	err = sscanf(buf, "%d", &mtu);
+	if (err > 0)
+		ibta_mtu = int_to_ibta_mtu(mtu);
+
+	if (err <= 0 || ibta_mtu < 0) {
+		mlx4_err(mdev, "%s is invalid IBTA mtu\n", buf);
+		return -EINVAL;
+	}
+
+	mdev->caps.port_ib_mtu[info->port] = ibta_mtu;
+
+	mlx4_stop_sense(mdev);
+	mutex_lock(&priv->port_mutex);
+	mlx4_unregister_device(mdev);
+	for (port = 1; port <= mdev->caps.num_ports; port++) {
+		mlx4_CLOSE_PORT(mdev, port);
+		err = mlx4_SET_PORT(mdev, port);
+		if (err) {
+			mlx4_err(mdev, "Failed to set port %d, "
+				      "aborting\n", port);
+			goto err_set_port;
+		}
+	}
+	err = mlx4_register_device(mdev);
+err_set_port:
+	mutex_unlock(&priv->port_mutex);
+	mlx4_start_sense(mdev);
+	return err ? err : count;
+}
+
 static int mlx4_load_fw(struct mlx4_dev *dev)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
@@ -1133,6 +1226,8 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
 			goto err_stop_fw;
 		}
 
+		dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1;
+
 		init_hca.log_uar_sz = ilog2(dev->caps.num_uars);
 		init_hca.uar_page_sz = PAGE_SHIFT - 12;
 
@@ -1363,12 +1458,10 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
 					  "with caps = 0\n", port, err);
 			dev->caps.ib_port_def_cap[port] = ib_port_default_caps;
 
-			err = mlx4_check_ext_port_caps(dev, port);
-			if (err)
-				mlx4_warn(dev, "failed to get port %d extended "
-					  "port capabilities support info (%d)."
-					  " Assuming not supported\n",
-					  port, err);
+			if (mlx4_is_mfunc(dev))
+				dev->caps.port_ib_mtu[port] = IB_MTU_2048;
+			else
+				dev->caps.port_ib_mtu[port] = IB_MTU_4096;
 
 			err = mlx4_SET_PORT(dev, port);
 			if (err) {
@@ -1524,6 +1617,24 @@ static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
 		info->port = -1;
 	}
 
+	sprintf(info->dev_mtu_name, "mlx4_port%d_mtu", port);
+	info->port_mtu_attr.attr.name = info->dev_mtu_name;
+	if (mlx4_is_mfunc(dev))
+		info->port_mtu_attr.attr.mode = S_IRUGO;
+	else {
+		info->port_mtu_attr.attr.mode = S_IRUGO | S_IWUSR;
+		info->port_mtu_attr.store     = set_port_ib_mtu;
+	}
+	info->port_mtu_attr.show      = show_port_ib_mtu;
+	sysfs_attr_init(&info->port_mtu_attr.attr);
+
+	err = device_create_file(&dev->pdev->dev, &info->port_mtu_attr);
+	if (err) {
+		mlx4_err(dev, "Failed to create mtu file for port %d\n", port);
+		device_remove_file(&info->dev->pdev->dev, &info->port_attr);
+		info->port = -1;
+	}
+
 	return err;
 }
 
@@ -1533,6 +1644,7 @@ static void mlx4_cleanup_port_info(struct mlx4_port_info *info)
 		return;
 
 	device_remove_file(&info->dev->pdev->dev, &info->port_attr);
+	device_remove_file(&info->dev->pdev->dev, &info->port_mtu_attr);
 }
 
 static int mlx4_init_steering(struct mlx4_dev *dev)
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index 5da51b99dbb8..2a0ff2cc7182 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -363,6 +363,10 @@ struct mlx4_eqe {
 		struct {
 			__be32	slave_id;
 		} __packed flr_event;
+		struct {
+			__be16  current_temperature;
+			__be16  warning_threshold;
+		} __packed warming;
 	}			event;
 	u8			slave_id;
 	u8			reserved3[2];
@@ -399,7 +403,7 @@ struct mlx4_profile {
 	int			num_cq;
 	int			num_mcg;
 	int			num_mpt;
-	int			num_mtt;
+	unsigned		num_mtt;
 };
 
 struct mlx4_fw {
@@ -682,6 +686,8 @@ struct mlx4_port_info {
 	char			dev_name[16];
 	struct device_attribute port_attr;
 	enum mlx4_port_type	tmp_type;
+	char			dev_mtu_name[16];
+	struct device_attribute port_mtu_attr;
 	struct mlx4_mac_table	mac_table;
 	struct radix_tree_root	mac_tree;
 	struct mlx4_vlan_table	vlan_table;
@@ -1024,7 +1030,6 @@ int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
 			    struct mlx4_cmd_mailbox *outbox,
 			    struct mlx4_cmd_info *cmd);
 int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
-int mlx4_check_ext_port_caps(struct mlx4_dev *dev, u8 port);
 
 
 int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c
index 32e2b6616f3d..fe2ac8449c19 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mr.c
@@ -791,6 +791,9 @@ int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
 	u64 mtt_offset;
 	int err = -ENOMEM;
 
+	if (max_maps > dev->caps.max_fmr_maps)
+		return -EINVAL;
+
 	if (page_shift < (ffs(dev->caps.page_size_cap) - 1) || page_shift >= 32)
 		return -EINVAL;
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c
index 98e776261ead..77535ff18f1b 100644
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -590,49 +590,6 @@ int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps)
 	return err;
 }
 
-int mlx4_check_ext_port_caps(struct mlx4_dev *dev, u8 port)
-{
-	struct mlx4_cmd_mailbox *inmailbox, *outmailbox;
-	u8 *inbuf, *outbuf;
-	int err, packet_error;
-
-	inmailbox = mlx4_alloc_cmd_mailbox(dev);
-	if (IS_ERR(inmailbox))
-		return PTR_ERR(inmailbox);
-
-	outmailbox = mlx4_alloc_cmd_mailbox(dev);
-	if (IS_ERR(outmailbox)) {
-		mlx4_free_cmd_mailbox(dev, inmailbox);
-		return PTR_ERR(outmailbox);
-	}
-
-	inbuf = inmailbox->buf;
-	outbuf = outmailbox->buf;
-	memset(inbuf, 0, 256);
-	memset(outbuf, 0, 256);
-	inbuf[0] = 1;
-	inbuf[1] = 1;
-	inbuf[2] = 1;
-	inbuf[3] = 1;
-
-	*(__be16 *) (&inbuf[16]) = MLX4_ATTR_EXTENDED_PORT_INFO;
-	*(__be32 *) (&inbuf[20]) = cpu_to_be32(port);
-
-	err = mlx4_cmd_box(dev, inmailbox->dma, outmailbox->dma, port, 3,
-			   MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C,
-			   MLX4_CMD_NATIVE);
-
-	packet_error = be16_to_cpu(*(__be16 *) (outbuf + 4));
-
-	dev->caps.ext_port_cap[port] = (!err && !packet_error) ?
-				       MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO
-				       : 0;
-
-	mlx4_free_cmd_mailbox(dev, inmailbox);
-	mlx4_free_cmd_mailbox(dev, outmailbox);
-	return err;
-}
-
 static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod,
 				u8 op_mod, struct mlx4_cmd_mailbox *inbox)
 {
@@ -766,10 +723,18 @@ int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave,
 				    vhcr->op_modifier, inbox);
 }
 
+/* bit locations for set port command with zero op modifier */
+enum {
+	MLX4_SET_PORT_VL_CAP	 = 4, /* bits 7:4 */
+	MLX4_SET_PORT_MTU_CAP	 = 12, /* bits 15:12 */
+	MLX4_CHANGE_PORT_VL_CAP	 = 21,
+	MLX4_CHANGE_PORT_MTU_CAP = 22,
+};
+
 int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port)
 {
 	struct mlx4_cmd_mailbox *mailbox;
-	int err;
+	int err, vl_cap;
 
 	if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH)
 		return 0;
@@ -781,8 +746,19 @@ int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port)
 	memset(mailbox->buf, 0, 256);
 
 	((__be32 *) mailbox->buf)[1] = dev->caps.ib_port_def_cap[port];
-	err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_SET_PORT,
-		       MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
+
+	/* IB VL CAP enum isn't used by the firmware, just numerical values */
+	for (vl_cap = 8; vl_cap >= 1; vl_cap >>= 1) {
+		((__be32 *) mailbox->buf)[0] = cpu_to_be32(
+			(1 << MLX4_CHANGE_PORT_MTU_CAP) |
+			(1 << MLX4_CHANGE_PORT_VL_CAP)  |
+			(dev->caps.port_ib_mtu[port] << MLX4_SET_PORT_MTU_CAP) |
+			(vl_cap << MLX4_SET_PORT_VL_CAP));
+		err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_SET_PORT,
+				MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
+		if (err != -ENOMEM)
+			break;
+	}
 
 	mlx4_free_cmd_mailbox(dev, mailbox);
 	return err;
diff --git a/drivers/net/ethernet/mellanox/mlx4/profile.c b/drivers/net/ethernet/mellanox/mlx4/profile.c
index 1129677daa62..06e5adeb76f7 100644
--- a/drivers/net/ethernet/mellanox/mlx4/profile.c
+++ b/drivers/net/ethernet/mellanox/mlx4/profile.c
@@ -83,12 +83,31 @@ u64 mlx4_make_profile(struct mlx4_dev *dev,
 	u64 total_size = 0;
 	struct mlx4_resource *profile;
 	struct mlx4_resource tmp;
+	struct sysinfo si;
 	int i, j;
 
 	profile = kcalloc(MLX4_RES_NUM, sizeof(*profile), GFP_KERNEL);
 	if (!profile)
 		return -ENOMEM;
 
+	/*
+	 * We want to scale the number of MTTs with the size of the
+	 * system memory, since it makes sense to register a lot of
+	 * memory on a system with a lot of memory.  As a heuristic,
+	 * make sure we have enough MTTs to cover twice the system
+	 * memory (with PAGE_SIZE entries).
+	 *
+	 * This number has to be a power of two and fit into 32 bits
+	 * due to device limitations, so cap this at 2^31 as well.
+	 * That limits us to 8TB of memory registration per HCA with
+	 * 4KB pages, which is probably OK for the next few months.
+	 */
+	si_meminfo(&si);
+	request->num_mtt =
+		roundup_pow_of_two(max_t(unsigned, request->num_mtt,
+					 min(1UL << 31,
+					     si.totalram >> (log_mtts_per_seg - 1))));
+
 	profile[MLX4_RES_QP].size     = dev_cap->qpc_entry_sz;
 	profile[MLX4_RES_RDMARC].size = dev_cap->rdmarc_entry_sz;
 	profile[MLX4_RES_ALTC].size   = dev_cap->altc_entry_sz;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 2b5af22419a5..385a4d5c7c25 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -36,8 +36,8 @@
 
 #define _QLCNIC_LINUX_MAJOR 5
 #define _QLCNIC_LINUX_MINOR 0
-#define _QLCNIC_LINUX_SUBVERSION 25
-#define QLCNIC_LINUX_VERSIONID  "5.0.26"
+#define _QLCNIC_LINUX_SUBVERSION 27
+#define QLCNIC_LINUX_VERSIONID  "5.0.27"
 #define QLCNIC_DRV_IDC_VER  0x01
 #define QLCNIC_DRIVER_VERSION  ((_QLCNIC_LINUX_MAJOR << 16) |\
 		 (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION))
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 81bb1a69e69f..75c32e875fef 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -1458,8 +1458,10 @@ qlcnic_reset_context(struct qlcnic_adapter *adapter)
 
 		if (netif_running(netdev)) {
 			err = qlcnic_attach(adapter);
-			if (!err)
+			if (!err) {
 				__qlcnic_up(adapter, netdev);
+				qlcnic_restore_indev_addr(netdev, NETDEV_UP);
+			}
 		}
 
 		netif_device_attach(netdev);
diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c
index b36edbd625dd..3c2295560732 100644
--- a/drivers/net/ethernet/sun/cassini.c
+++ b/drivers/net/ethernet/sun/cassini.c
@@ -104,8 +104,8 @@
 #include <asm/byteorder.h>
 #include <asm/uaccess.h>
 
-#define cas_page_map(x)      kmap_atomic((x), KM_SKB_DATA_SOFTIRQ)
-#define cas_page_unmap(x)    kunmap_atomic((x), KM_SKB_DATA_SOFTIRQ)
+#define cas_page_map(x)      kmap_atomic((x))
+#define cas_page_unmap(x)    kunmap_atomic((x))
 #define CAS_NCPUS            num_online_cpus()
 
 #define cas_skb_release(x)  netif_rx(x)
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 58dc117a8d78..0427c6561c84 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/wait.h>
 #include <linux/cdev.h>
+#include <linux/idr.h>
 #include <linux/fs.h>
 
 #include <net/net_namespace.h>
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 50e8e5e74465..7189adf54bd1 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -255,13 +255,13 @@ static inline int __init mdio_ofgpio_init(void)
 	return platform_driver_register(&mdio_ofgpio_driver);
 }
 
-static inline void __exit mdio_ofgpio_exit(void)
+static inline void mdio_ofgpio_exit(void)
 {
 	platform_driver_unregister(&mdio_ofgpio_driver);
 }
 #else
 static inline int __init mdio_ofgpio_init(void) { return 0; }
-static inline void __exit mdio_ofgpio_exit(void) { }
+static inline void mdio_ofgpio_exit(void) { }
 #endif /* CONFIG_OF_GPIO */
 
 static struct platform_driver mdio_gpio_driver = {
diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c
index 790cbdea7392..3886b30ed373 100644
--- a/drivers/net/usb/cdc-phonet.c
+++ b/drivers/net/usb/cdc-phonet.c
@@ -164,12 +164,14 @@ static void rx_complete(struct urb *req)
 				/* Can't use pskb_pull() on page in IRQ */
 				memcpy(skb_put(skb, 1), page_address(page), 1);
 				skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
-						page, 1, req->actual_length);
+						page, 1, req->actual_length,
+						req->actual_length);
 				page = NULL;
 			}
 		} else {
 			skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
-					page, 0, req->actual_length);
+					page, 0, req->actual_length,
+					req->actual_length);
 			page = NULL;
 		}
 		if (req->actual_length < PAGE_SIZE)
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index aac68f5195c0..552d24bf862e 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -409,6 +409,42 @@ static const struct usb_device_id products[] = {
 		.bInterfaceProtocol = 0xff,
 		.driver_info        = (unsigned long)&qmi_wwan_force_int4,
 	},
+	{	/* ZTE (Vodafone) K3565-Z */
+		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x19d2,
+		.idProduct          = 0x0063,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_force_int4,
+	},
+	{	/* ZTE (Vodafone) K3570-Z */
+		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x19d2,
+		.idProduct          = 0x1008,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_force_int4,
+	},
+	{	/* ZTE (Vodafone) K3571-Z */
+		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x19d2,
+		.idProduct          = 0x1010,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_force_int4,
+	},
+	{	/* ZTE (Vodafone) K4505-Z */
+		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x19d2,
+		.idProduct          = 0x0104,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_force_int4,
+	},
 	{QMI_GOBI_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
 	{QMI_GOBI_DEVICE(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
 	{QMI_GOBI_DEVICE(0x03f0, 0x371d)},	/* HP un2430 Mobile Broadband Module */
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 4b8b52ca09d8..b7b3f5b0d406 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -493,6 +493,7 @@ block:
 		if (netif_running (dev->net) &&
 		    !test_bit (EVENT_RX_HALT, &dev->flags)) {
 			rx_submit (dev, urb, GFP_ATOMIC);
+			usb_mark_last_busy(dev->udev);
 			return;
 		}
 		usb_free_urb (urb);
@@ -589,6 +590,14 @@ static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q)
 		entry = (struct skb_data *) skb->cb;
 		urb = entry->urb;
 
+		/*
+		 * Get reference count of the URB to avoid it to be
+		 * freed during usb_unlink_urb, which may trigger
+		 * use-after-free problem inside usb_unlink_urb since
+		 * usb_unlink_urb is always racing with .complete
+		 * handler(include defer_bh).
+		 */
+		usb_get_urb(urb);
 		spin_unlock_irqrestore(&q->lock, flags);
 		// during some PM-driven resume scenarios,
 		// these (async) unlinks complete immediately
@@ -597,6 +606,7 @@ static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q)
 			netdev_dbg(dev->net, "unlink urb err, %d\n", retval);
 		else
 			count++;
+		usb_put_urb(urb);
 		spin_lock_irqsave(&q->lock, flags);
 	}
 	spin_unlock_irqrestore (&q->lock, flags);
@@ -1028,7 +1038,6 @@ static void tx_complete (struct urb *urb)
 	}
 
 	usb_autopm_put_interface_async(dev->intf);
-	urb->dev = NULL;
 	entry->state = tx_done;
 	defer_bh(dev, skb, &dev->txq);
 }
diff --git a/drivers/net/wireless/iwlegacy/3945.c b/drivers/net/wireless/iwlegacy/3945.c
index c5b1d199e0bc..b25c01be0d90 100644
--- a/drivers/net/wireless/iwlegacy/3945.c
+++ b/drivers/net/wireless/iwlegacy/3945.c
@@ -499,7 +499,8 @@ il3945_pass_packet_to_mac80211(struct il_priv *il, struct il_rx_buf *rxb,
 				      le32_to_cpu(rx_end->status), stats);
 
 	skb_add_rx_frag(skb, 0, rxb->page,
-			(void *)rx_hdr->payload - (void *)pkt, len);
+			(void *)rx_hdr->payload - (void *)pkt, len,
+			len);
 
 	il_update_stats(il, false, fc, len);
 	memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index 7b54dbb338be..17f1c6853182 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -596,7 +596,8 @@ il4965_pass_packet_to_mac80211(struct il_priv *il, struct ieee80211_hdr *hdr,
 		return;
 	}
 
-	skb_add_rx_frag(skb, 0, rxb->page, (void *)hdr - rxb_addr(rxb), len);
+	skb_add_rx_frag(skb, 0, rxb->page, (void *)hdr - rxb_addr(rxb), len,
+			len);
 
 	il_update_stats(il, false, fc, len);
 	memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
index 44c6f712b77d..f4b84d1596e3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
@@ -796,7 +796,7 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv,
 
 	offset = (void *)hdr - rxb_addr(rxb);
 	p = rxb_steal_page(rxb);
-	skb_add_rx_frag(skb, 0, p, offset, len);
+	skb_add_rx_frag(skb, 0, p, offset, len, len);
 
 	iwl_update_stats(priv, false, fc, len);
 
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index 268163dd71c7..6ea51dcbc728 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -35,9 +35,10 @@ config OF_EARLY_FLATTREE
 config OF_PROMTREE
 	bool
 
+# Hardly any platforms need this.  It is safe to select, but only do so if you
+# need it.
 config OF_DYNAMIC
-	def_bool y
-	depends on PPC_OF
+	bool
 
 config OF_ADDRESS
 	def_bool y
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 133908a6fd8d..580644986945 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -88,7 +88,7 @@ int of_n_size_cells(struct device_node *np)
 }
 EXPORT_SYMBOL(of_n_size_cells);
 
-#if !defined(CONFIG_SPARC)   /* SPARC doesn't do ref counting (yet) */
+#if defined(CONFIG_OF_DYNAMIC)
 /**
  *	of_node_get - Increment refcount of a node
  *	@node:	Node to inc refcount, NULL is supported to
@@ -161,7 +161,7 @@ void of_node_put(struct device_node *node)
 		kref_put(&node->kref, of_node_release);
 }
 EXPORT_SYMBOL(of_node_put);
-#endif /* !CONFIG_SPARC */
+#endif /* CONFIG_OF_DYNAMIC */
 
 struct property *of_find_property(const struct device_node *np,
 				  const char *name,
@@ -761,6 +761,42 @@ int of_property_read_string_index(struct device_node *np, const char *propname,
 }
 EXPORT_SYMBOL_GPL(of_property_read_string_index);
 
+/**
+ * of_property_match_string() - Find string in a list and return index
+ * @np: pointer to node containing string list property
+ * @propname: string list property name
+ * @string: pointer to string to search for in string list
+ *
+ * This function searches a string list property and returns the index
+ * of a specific string value.
+ */
+int of_property_match_string(struct device_node *np, const char *propname,
+			     const char *string)
+{
+	struct property *prop = of_find_property(np, propname, NULL);
+	size_t l;
+	int i;
+	const char *p, *end;
+
+	if (!prop)
+		return -EINVAL;
+	if (!prop->value)
+		return -ENODATA;
+
+	p = prop->value;
+	end = p + prop->length;
+
+	for (i = 0; p < end; i++, p += l) {
+		l = strlen(p) + 1;
+		if (p + l > end)
+			return -EILSEQ;
+		pr_debug("comparing %s with %s\n", string, p);
+		if (strcmp(string, p) == 0)
+			return i; /* Found it; return index */
+	}
+	return -ENODATA;
+}
+EXPORT_SYMBOL_GPL(of_property_match_string);
 
 /**
  * of_property_count_strings - Find and return the number of strings from a
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 62b4b32ac887..4c74e4fc5a51 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -128,39 +128,41 @@ ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len)
 /**
  * of_device_uevent - Display OF related uevent information
  */
-int of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+void of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
 	const char *compat;
 	int seen = 0, cplen, sl;
 
 	if ((!dev) || (!dev->of_node))
-		return -ENODEV;
-
-	if (add_uevent_var(env, "OF_NAME=%s", dev->of_node->name))
-		return -ENOMEM;
+		return;
 
-	if (add_uevent_var(env, "OF_TYPE=%s", dev->of_node->type))
-		return -ENOMEM;
+	add_uevent_var(env, "OF_NAME=%s", dev->of_node->name);
+	add_uevent_var(env, "OF_FULLNAME=%s", dev->of_node->full_name);
+	if (dev->of_node->type && strcmp("<NULL>", dev->of_node->type) != 0)
+		add_uevent_var(env, "OF_TYPE=%s", dev->of_node->type);
 
 	/* Since the compatible field can contain pretty much anything
 	 * it's not really legal to split it out with commas. We split it
 	 * up using a number of environment variables instead. */
-
 	compat = of_get_property(dev->of_node, "compatible", &cplen);
 	while (compat && *compat && cplen > 0) {
-		if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat))
-			return -ENOMEM;
-
+		add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat);
 		sl = strlen(compat) + 1;
 		compat += sl;
 		cplen -= sl;
 		seen++;
 	}
+	add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen);
+}
 
-	if (add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen))
-		return -ENOMEM;
+int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env)
+{
+	int sl;
+
+	if ((!dev) || (!dev->of_node))
+		return -ENODEV;
 
-	/* modalias is trickier, we add it in 2 steps */
+	/* Devicetree modalias is tricky, we add it in 2 steps */
 	if (add_uevent_var(env, "MODALIAS="))
 		return -ENOMEM;
 
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 63b3ec48c203..20fbebd49db3 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -55,7 +55,7 @@ EXPORT_SYMBOL(of_find_device_by_node);
 #include <asm/dcr.h>
 #endif
 
-#if !defined(CONFIG_SPARC)
+#ifdef CONFIG_OF_ADDRESS
 /*
  * The following routines scan a subtree and registers a device for
  * each applicable node.
@@ -462,4 +462,4 @@ int of_platform_populate(struct device_node *root,
 	of_node_put(root);
 	return rc;
 }
-#endif /* !CONFIG_SPARC */
+#endif /* CONFIG_OF_ADDRESS */
diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c
index 9d2b4803a9d6..f24ffd7088d2 100644
--- a/drivers/of/selftest.c
+++ b/drivers/of/selftest.c
@@ -120,6 +120,34 @@ static void __init of_selftest_parse_phandle_with_args(void)
 	pr_info("end - %s\n", passed_all ? "PASS" : "FAIL");
 }
 
+static void __init of_selftest_property_match_string(void)
+{
+	struct device_node *np;
+	int rc;
+
+	pr_info("start\n");
+	np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a");
+	if (!np) {
+		pr_err("No testcase data in device tree\n");
+		return;
+	}
+
+	rc = of_property_match_string(np, "phandle-list-names", "first");
+	selftest(rc == 0, "first expected:0 got:%i\n", rc);
+	rc = of_property_match_string(np, "phandle-list-names", "second");
+	selftest(rc == 1, "second expected:0 got:%i\n", rc);
+	rc = of_property_match_string(np, "phandle-list-names", "third");
+	selftest(rc == 2, "third expected:0 got:%i\n", rc);
+	rc = of_property_match_string(np, "phandle-list-names", "fourth");
+	selftest(rc == -ENODATA, "unmatched string; rc=%i", rc);
+	rc = of_property_match_string(np, "missing-property", "blah");
+	selftest(rc == -EINVAL, "missing property; rc=%i", rc);
+	rc = of_property_match_string(np, "empty-property", "blah");
+	selftest(rc == -ENODATA, "empty property; rc=%i", rc);
+	rc = of_property_match_string(np, "unterminated-string", "blah");
+	selftest(rc == -EILSEQ, "unterminated string; rc=%i", rc);
+}
+
 static int __init of_selftest(void)
 {
 	struct device_node *np;
@@ -133,6 +161,7 @@ static int __init of_selftest(void)
 
 	pr_info("start of selftest - you will see error messages\n");
 	of_selftest_parse_phandle_with_args();
+	of_selftest_property_match_string();
 	pr_info("end of selftest - %s\n", selftest_passed ? "PASS" : "FAIL");
 	return 0;
 }
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 7a61b17ddd04..a229de98ae6f 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -74,13 +74,72 @@ config REGULATOR_GPIO
 	  and the platform has to provide a mapping of GPIO-states
 	  to target volts/amps.
 
-config REGULATOR_BQ24022
-	tristate "TI bq24022 Dual Input 1-Cell Li-Ion Charger IC"
+config REGULATOR_AD5398
+	tristate "Analog Devices AD5398/AD5821 regulators"
+	depends on I2C
 	help
-	  This driver controls a TI bq24022 Charger attached via
-	  GPIOs. The provided current regulator can enable/disable
-	  charging select between 100 mA and 500 mA charging current
-	  limit.
+	  This driver supports AD5398 and AD5821 current regulator chips.
+	  If building into module, its name is ad5398.ko.
+
+config REGULATOR_AAT2870
+	tristate "AnalogicTech AAT2870 Regulators"
+	depends on MFD_AAT2870_CORE
+	help
+	  If you have a AnalogicTech AAT2870 say Y to enable the
+	  regulator driver.
+
+config REGULATOR_DA903X
+	tristate "Dialog Semiconductor DA9030/DA9034 regulators"
+	depends on PMIC_DA903X
+	help
+	  Say y here to support the BUCKs and LDOs regulators found on
+	  Dialog Semiconductor DA9030/DA9034 PMIC.
+
+config REGULATOR_DA9052
+	tristate "Dialog Semiconductor DA9052/DA9053 regulators"
+	depends on PMIC_DA9052
+	help
+	  This driver supports the voltage regulators of DA9052-BC and
+	  DA9053-AA/Bx PMIC.
+
+config REGULATOR_ANATOP
+	tristate "Freescale i.MX on-chip ANATOP LDO regulators"
+	depends on MFD_ANATOP
+	help
+	  Say y here to support Freescale i.MX on-chip ANATOP LDOs
+	  regulators. It is recommended that this option be
+	  enabled on i.MX6 platform.
+
+config REGULATOR_MC13XXX_CORE
+	tristate
+
+config REGULATOR_MC13783
+	tristate "Freescale MC13783 regulator driver"
+	depends on MFD_MC13783
+	select REGULATOR_MC13XXX_CORE
+	help
+	  Say y here to support the regulators found on the Freescale MC13783
+	  PMIC.
+
+config REGULATOR_MC13892
+	tristate "Freescale MC13892 regulator driver"
+	depends on MFD_MC13XXX
+	select REGULATOR_MC13XXX_CORE
+	help
+	  Say y here to support the regulators found on the Freescale MC13892
+	  PMIC.
+
+config REGULATOR_ISL6271A
+	tristate "Intersil ISL6271A Power regulator"
+	depends on I2C
+	help
+	  This driver supports ISL6271A voltage regulator chip.
+
+config REGULATOR_88PM8607
+	bool "Marvell 88PM8607 Power regulators"
+	depends on MFD_88PM860X=y
+	help
+	  This driver supports 88PM8607 voltage regulator chips.
 
 config REGULATOR_MAX1586
 	tristate "Maxim 1586/1587 voltage regulator"
@@ -136,61 +195,12 @@ config REGULATOR_MAX8998
 	  via I2C bus. The provided regulator is suitable for S3C6410
 	  and S5PC1XX chips to control VCC_CORE and VCC_USIM voltages.
 
-config REGULATOR_TWL4030
-	bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 PMIC"
-	depends on TWL4030_CORE
-	help
-	  This driver supports the voltage regulators provided by
-	  this family of companion chips.
-
-config REGULATOR_WM831X
-	tristate "Wolfson Microelcronics WM831x PMIC regulators"
-	depends on MFD_WM831X
-	help
-	  Support the voltage and current regulators of the WM831x series
-	  of PMIC devices.
-
-config REGULATOR_WM8350
-	tristate "Wolfson Microelectronics WM8350 AudioPlus PMIC"
-	depends on MFD_WM8350
-	help
-	  This driver provides support for the voltage and current regulators
-          of the WM8350 AudioPlus PMIC.
-
-config REGULATOR_WM8400
-	tristate "Wolfson Microelectronics WM8400 AudioPlus PMIC"
-	depends on MFD_WM8400
-	help
-	  This driver provides support for the voltage regulators of the
-	  WM8400 AudioPlus PMIC.
-
-config REGULATOR_WM8994
-	tristate "Wolfson Microelectronics WM8994 CODEC"
-	depends on MFD_WM8994
-	help
-	  This driver provides support for the voltage regulators on the
-	  WM8994 CODEC.
-
-config REGULATOR_DA903X
-	tristate "Support regulators on Dialog Semiconductor DA9030/DA9034 PMIC"
-	depends on PMIC_DA903X
-	help
-	  Say y here to support the BUCKs and LDOs regulators found on
-	  Dialog Semiconductor DA9030/DA9034 PMIC.
-
-config REGULATOR_DA9052
-	tristate "Dialog DA9052/DA9053 regulators"
-	depends on PMIC_DA9052
-	help
-	  This driver supports the voltage regulators of DA9052-BC and
-	  DA9053-AA/Bx PMIC.
-
-config REGULATOR_PCF50633
-	tristate "PCF50633 regulator driver"
-        depends on MFD_PCF50633
+config REGULATOR_PCAP
+	tristate "Motorola PCAP2 regulator driver"
+	depends on EZX_PCAP
 	help
-	 Say Y here to support the voltage regulators and convertors
-	 on PCF50633
+	 This driver provides support for the voltage regulators of the
+	 PCAP2 PMIC.
 
 config REGULATOR_LP3971
 	tristate "National Semiconductors LP3971 PMIC regulator driver"
@@ -206,31 +216,20 @@ config REGULATOR_LP3972
 	 Say Y here to support the voltage regulators and convertors
 	 on National Semiconductors LP3972 PMIC
 
-config REGULATOR_PCAP
-	tristate "PCAP2 regulator driver"
-	depends on EZX_PCAP
-	help
-	 This driver provides support for the voltage regulators of the
-	 PCAP2 PMIC.
-
-config REGULATOR_MC13XXX_CORE
-	tristate
-
-config REGULATOR_MC13783
-	tristate "Support regulators on Freescale MC13783 PMIC"
-	depends on MFD_MC13783
-	select REGULATOR_MC13XXX_CORE
+config REGULATOR_PCF50633
+	tristate "NXP PCF50633 regulator driver"
+        depends on MFD_PCF50633
 	help
-	  Say y here to support the regulators found on the Freescale MC13783
-	  PMIC.
+	 Say Y here to support the voltage regulators and convertors
+	 on PCF50633
 
-config REGULATOR_MC13892
-	tristate "Support regulators on Freescale MC13892 PMIC"
-	depends on MFD_MC13XXX
-	select REGULATOR_MC13XXX_CORE
+config REGULATOR_S5M8767
+	tristate "Samsung S5M8767A voltage regulator"
+	depends on MFD_S5M_CORE
 	help
-	  Say y here to support the regulators found on the Freescale MC13892
-	  PMIC.
+	 This driver supports a Samsung S5M8767A voltage output regulator
+	 via I2C bus. S5M8767A have 9 Bucks and 28 LDOs output and
+	 supports DVS mode with 8bits of output voltage control.
 
 config REGULATOR_AB3100
 	tristate "ST-Ericsson AB3100 Regulator functions"
@@ -241,6 +240,32 @@ config REGULATOR_AB3100
 	 AB3100 analog baseband dealing with power regulators
 	 for the system.
 
+config REGULATOR_AB8500
+	bool "ST-Ericsson AB8500 Power Regulators"
+	depends on AB8500_CORE
+	help
+	  This driver supports the regulators found on the ST-Ericsson mixed
+	  signal AB8500 PMIC
+
+config REGULATOR_DBX500_PRCMU
+	bool
+
+config REGULATOR_DB8500_PRCMU
+	bool "ST-Ericsson DB8500 Voltage Domain Regulators"
+	depends on MFD_DB8500_PRCMU
+	select REGULATOR_DBX500_PRCMU
+	help
+	  This driver supports the voltage domain regulators controlled by the
+	  DB8500 PRCMU
+
+config REGULATOR_BQ24022
+	tristate "TI bq24022 Dual Input 1-Cell Li-Ion Charger IC"
+	help
+	  This driver controls a TI bq24022 Charger attached via
+	  GPIOs. The provided current regulator can enable/disable
+	  charging select between 100 mA and 500 mA charging current
+	  limit.
+
 config REGULATOR_TPS6105X
 	tristate "TI TPS6105X Power regulators"
 	depends on TPS6105X
@@ -250,6 +275,16 @@ config REGULATOR_TPS6105X
 	  It is a single boost converter primarily for white LEDs and
 	  audio amplifiers.
 
+config REGULATOR_TPS62360
+	tristate "TI TPS62360 Power Regulator"
+	depends on I2C
+	select REGMAP_I2C
+	help
+	  This driver supports TPS62360 voltage regulator chip. This
+	  regulator is meant for processor core supply. This chip is
+	  high-frequency synchronous step down dc-dc converter optimized
+	  for battery-powered portable applications.
+
 config REGULATOR_TPS65023
 	tristate "TI TPS65023 Power regulators"
 	depends on I2C
@@ -267,73 +302,77 @@ config REGULATOR_TPS6507X
 	  three step-down converters and two general-purpose LDO voltage regulators.
 	  It supports TI's software based Class-2 SmartReflex implementation.
 
-config REGULATOR_TPS65912
-	tristate "TI TPS65912 Power regulator"
-	depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI)
+config REGULATOR_TPS65217
+	tristate "TI TPS65217 Power regulators"
+	depends on MFD_TPS65217
 	help
-	    This driver supports TPS65912 voltage regulator chip.
+	  This driver supports TPS65217 voltage regulator chips. TPS65217
+	  provides three step-down converters and four general-purpose LDO
+	  voltage regulators. It supports software based voltage control
+	  for different voltage domains
 
-config REGULATOR_88PM8607
-	bool "Marvell 88PM8607 Power regulators"
-	depends on MFD_88PM860X=y
+config REGULATOR_TPS6524X
+	tristate "TI TPS6524X Power regulators"
+	depends on SPI
 	help
-	  This driver supports 88PM8607 voltage regulator chips.
+	  This driver supports TPS6524X voltage regulator chips. TPS6524X
+	  provides three step-down converters and two general-purpose LDO
+	  voltage regulators.  This device is interfaced using a customized
+	  serial interface currently supported on the sequencer serial
+	  port controller.
 
-config REGULATOR_ISL6271A
-	tristate "Intersil ISL6271A Power regulator"
-	depends on I2C
+config REGULATOR_TPS6586X
+	tristate "TI TPS6586X Power regulators"
+	depends on MFD_TPS6586X
 	help
-	  This driver supports ISL6271A voltage regulator chip.
+	  This driver supports TPS6586X voltage regulator chips.
 
-config REGULATOR_AD5398
-	tristate "Analog Devices AD5398/AD5821 regulators"
-	depends on I2C
+config REGULATOR_TPS65910
+	tristate "TI TPS65910/TPS65911 Power Regulators"
+	depends on MFD_TPS65910
 	help
-	  This driver supports AD5398 and AD5821 current regulator chips.
-	  If building into module, its name is ad5398.ko.
+	  This driver supports TPS65910/TPS65911 voltage regulator chips.
 
-config REGULATOR_AB8500
-	bool "ST-Ericsson AB8500 Power Regulators"
-	depends on AB8500_CORE
+config REGULATOR_TPS65912
+	tristate "TI TPS65912 Power regulator"
+	depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI)
 	help
-	  This driver supports the regulators found on the ST-Ericsson mixed
-	  signal AB8500 PMIC
+	    This driver supports TPS65912 voltage regulator chip.
 
-config REGULATOR_DB8500_PRCMU
-	bool "ST-Ericsson DB8500 Voltage Domain Regulators"
-	depends on MFD_DB8500_PRCMU
+config REGULATOR_TWL4030
+	bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 PMIC"
+	depends on TWL4030_CORE
 	help
-	  This driver supports the voltage domain regulators controlled by the
-	  DB8500 PRCMU
+	  This driver supports the voltage regulators provided by
+	  this family of companion chips.
 
-config REGULATOR_TPS6586X
-	tristate "TI TPS6586X Power regulators"
-	depends on MFD_TPS6586X
+config REGULATOR_WM831X
+	tristate "Wolfson Microelectronics WM831x PMIC regulators"
+	depends on MFD_WM831X
 	help
-	  This driver supports TPS6586X voltage regulator chips.
+	  Support the voltage and current regulators of the WM831x series
+	  of PMIC devices.
 
-config REGULATOR_TPS6524X
-	tristate "TI TPS6524X Power regulators"
-	depends on SPI
+config REGULATOR_WM8350
+	tristate "Wolfson Microelectronics WM8350 AudioPlus PMIC"
+	depends on MFD_WM8350
 	help
-	  This driver supports TPS6524X voltage regulator chips. TPS6524X
-	  provides three step-down converters and two general-purpose LDO
-	  voltage regulators.  This device is interfaced using a customized
-	  serial interface currently supported on the sequencer serial
-	  port controller.
+	  This driver provides support for the voltage and current regulators
+          of the WM8350 AudioPlus PMIC.
 
-config REGULATOR_TPS65910
-	tristate "TI TPS65910 Power Regulator"
-	depends on MFD_TPS65910
+config REGULATOR_WM8400
+	tristate "Wolfson Microelectronics WM8400 AudioPlus PMIC"
+	depends on MFD_WM8400
 	help
-	  This driver supports TPS65910 voltage regulator chips.
+	  This driver provides support for the voltage regulators of the
+	  WM8400 AudioPlus PMIC.
 
-config REGULATOR_AAT2870
-	tristate "AnalogicTech AAT2870 Regulators"
-	depends on MFD_AAT2870_CORE
+config REGULATOR_WM8994
+	tristate "Wolfson Microelectronics WM8994 CODEC"
+	depends on MFD_WM8994
 	help
-	  If you have a AnalogicTech AAT2870 say Y to enable the
-	  regulator driver.
+	  This driver provides support for the voltage regulators on the
+	  WM8994 CODEC.
 
 endif
 
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 503bac87715e..b5042c885d89 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -3,50 +3,56 @@
 #
 
 
-obj-$(CONFIG_REGULATOR) += core.o dummy.o
+obj-$(CONFIG_REGULATOR) += core.o dummy.o fixed-helper.o
 obj-$(CONFIG_OF) += of_regulator.o
 obj-$(CONFIG_REGULATOR_FIXED_VOLTAGE) += fixed.o
 obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o
 obj-$(CONFIG_REGULATOR_USERSPACE_CONSUMER) += userspace-consumer.o
 
 obj-$(CONFIG_REGULATOR_GPIO) += gpio-regulator.o
+obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
+obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o
+obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o
+obj-$(CONFIG_REGULATOR_AB8500)	+= ab8500.o
 obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o
+obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o
 obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o
+obj-$(CONFIG_REGULATOR_DA903X)	+= da903x.o
+obj-$(CONFIG_REGULATOR_DA9052)	+= da9052-regulator.o
+obj-$(CONFIG_REGULATOR_DBX500_PRCMU) += dbx500-prcmu.o
+obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
+obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
 obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
 obj-$(CONFIG_REGULATOR_LP3972) += lp3972.o
 obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o
-obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o
 obj-$(CONFIG_REGULATOR_MAX8649)	+= max8649.o
 obj-$(CONFIG_REGULATOR_MAX8660) += max8660.o
 obj-$(CONFIG_REGULATOR_MAX8925) += max8925-regulator.o
 obj-$(CONFIG_REGULATOR_MAX8952) += max8952.o
 obj-$(CONFIG_REGULATOR_MAX8997) += max8997.o
 obj-$(CONFIG_REGULATOR_MAX8998) += max8998.o
-obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
-obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
-obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o
-obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
-obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
-obj-$(CONFIG_REGULATOR_WM8994) += wm8994-regulator.o
-obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o
-obj-$(CONFIG_REGULATOR_DA903X)	+= da903x.o
-obj-$(CONFIG_REGULATOR_DA9052)	+= da9052-regulator.o
-obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
-obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
 obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
 obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o
 obj-$(CONFIG_REGULATOR_MC13XXX_CORE) +=  mc13xxx-regulator-core.o
-obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o
+obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
+obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
+obj-$(CONFIG_REGULATOR_S5M8767) += s5m8767.o
 obj-$(CONFIG_REGULATOR_TPS6105X) += tps6105x-regulator.o
+obj-$(CONFIG_REGULATOR_TPS62360) += tps62360-regulator.o
 obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o
 obj-$(CONFIG_REGULATOR_TPS6507X) += tps6507x-regulator.o
+obj-$(CONFIG_REGULATOR_TPS65217) += tps65217-regulator.o
 obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o
-obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o
-obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
-obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
-obj-$(CONFIG_REGULATOR_AB8500)	+= ab8500.o
-obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
+obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o
 obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o
-obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o
+obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o
+obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o
+obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
+obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
+obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o
+obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
+obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
+obj-$(CONFIG_REGULATOR_WM8994) += wm8994-regulator.o
+
 
 ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG
diff --git a/drivers/regulator/aat2870-regulator.c b/drivers/regulator/aat2870-regulator.c
index 685ad43b0749..9ed5c5d84e12 100644
--- a/drivers/regulator/aat2870-regulator.c
+++ b/drivers/regulator/aat2870-regulator.c
@@ -31,7 +31,7 @@
 #include <linux/mfd/aat2870.h>
 
 struct aat2870_regulator {
-	struct platform_device *pdev;
+	struct aat2870_data *aat2870;
 	struct regulator_desc desc;
 
 	const int *voltages; /* uV */
@@ -60,7 +60,7 @@ static int aat2870_ldo_set_voltage_sel(struct regulator_dev *rdev,
 				       unsigned selector)
 {
 	struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
-	struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
+	struct aat2870_data *aat2870 = ri->aat2870;
 
 	return aat2870->update(aat2870, ri->voltage_addr, ri->voltage_mask,
 			       selector << ri->voltage_shift);
@@ -69,7 +69,7 @@ static int aat2870_ldo_set_voltage_sel(struct regulator_dev *rdev,
 static int aat2870_ldo_get_voltage_sel(struct regulator_dev *rdev)
 {
 	struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
-	struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
+	struct aat2870_data *aat2870 = ri->aat2870;
 	u8 val;
 	int ret;
 
@@ -83,7 +83,7 @@ static int aat2870_ldo_get_voltage_sel(struct regulator_dev *rdev)
 static int aat2870_ldo_enable(struct regulator_dev *rdev)
 {
 	struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
-	struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
+	struct aat2870_data *aat2870 = ri->aat2870;
 
 	return aat2870->update(aat2870, ri->enable_addr, ri->enable_mask,
 			       ri->enable_mask);
@@ -92,7 +92,7 @@ static int aat2870_ldo_enable(struct regulator_dev *rdev)
 static int aat2870_ldo_disable(struct regulator_dev *rdev)
 {
 	struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
-	struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
+	struct aat2870_data *aat2870 = ri->aat2870;
 
 	return aat2870->update(aat2870, ri->enable_addr, ri->enable_mask, 0);
 }
@@ -100,7 +100,7 @@ static int aat2870_ldo_disable(struct regulator_dev *rdev)
 static int aat2870_ldo_is_enabled(struct regulator_dev *rdev)
 {
 	struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
-	struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
+	struct aat2870_data *aat2870 = ri->aat2870;
 	u8 val;
 	int ret;
 
@@ -185,7 +185,7 @@ static int aat2870_regulator_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "Invalid device ID, %d\n", pdev->id);
 		return -EINVAL;
 	}
-	ri->pdev = pdev;
+	ri->aat2870 = dev_get_drvdata(pdev->dev.parent);
 
 	rdev = regulator_register(&ri->desc, &pdev->dev,
 				  pdev->dev.platform_data, ri, NULL);
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index c9b92531ae60..c7ee4c15d6f5 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -201,7 +201,7 @@ static int ab8500_list_voltage(struct regulator_dev *rdev, unsigned selector)
 	return info->voltages[selector];
 }
 
-static int ab8500_regulator_get_voltage(struct regulator_dev *rdev)
+static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
 {
 	int ret, val;
 	struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
@@ -229,11 +229,9 @@ static int ab8500_regulator_get_voltage(struct regulator_dev *rdev)
 	/* vintcore has a different layout */
 	val = regval & info->voltage_mask;
 	if (info->desc.id == AB8500_LDO_INTCORE)
-		ret = info->voltages[val >> 0x3];
+		return val >> 0x3;
 	else
-		ret = info->voltages[val];
-
-	return ret;
+		return val;
 }
 
 static int ab8500_get_best_voltage_index(struct regulator_dev *rdev,
@@ -320,7 +318,7 @@ static struct regulator_ops ab8500_regulator_ops = {
 	.enable		= ab8500_regulator_enable,
 	.disable	= ab8500_regulator_disable,
 	.is_enabled	= ab8500_regulator_is_enabled,
-	.get_voltage	= ab8500_regulator_get_voltage,
+	.get_voltage_sel = ab8500_regulator_get_voltage_sel,
 	.set_voltage	= ab8500_regulator_set_voltage,
 	.list_voltage	= ab8500_list_voltage,
 	.enable_time	= ab8500_regulator_enable_time,
diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 483c80930852..26d23adfc66f 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -94,8 +94,8 @@ static int ad5398_set_current_limit(struct regulator_dev *rdev, int min_uA, int
 	if (max_uA > chip->max_uA || max_uA < chip->min_uA)
 		return -EINVAL;
 
-	selector = ((min_uA - chip->min_uA) * chip->current_level +
-			range_uA - 1) / range_uA;
+	selector = DIV_ROUND_UP((min_uA - chip->min_uA) * chip->current_level,
+				range_uA);
 	if (ad5398_calc_current(chip, selector) > max_uA)
 		return -EINVAL;
 
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
new file mode 100644
index 000000000000..17499a55113d
--- /dev/null
+++ b/drivers/regulator/anatop-regulator.c
@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/slab.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/mfd/anatop.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/of_regulator.h>
+
+struct anatop_regulator {
+	const char *name;
+	u32 control_reg;
+	struct anatop *mfd;
+	int vol_bit_shift;
+	int vol_bit_width;
+	int min_bit_val;
+	int min_voltage;
+	int max_voltage;
+	struct regulator_desc rdesc;
+	struct regulator_init_data *initdata;
+};
+
+static int anatop_set_voltage(struct regulator_dev *reg, int min_uV,
+				  int max_uV, unsigned *selector)
+{
+	struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
+	u32 val, sel;
+	int uv;
+
+	uv = min_uV;
+	dev_dbg(&reg->dev, "%s: uv %d, min %d, max %d\n", __func__,
+		uv, anatop_reg->min_voltage,
+		anatop_reg->max_voltage);
+
+	if (uv < anatop_reg->min_voltage) {
+		if (max_uV > anatop_reg->min_voltage)
+			uv = anatop_reg->min_voltage;
+		else
+			return -EINVAL;
+	}
+
+	if (!anatop_reg->control_reg)
+		return -ENOTSUPP;
+
+	sel = DIV_ROUND_UP(uv - anatop_reg->min_voltage, 25000);
+	if (sel * 25000 + anatop_reg->min_voltage > anatop_reg->max_voltage)
+		return -EINVAL;
+	val = anatop_reg->min_bit_val + sel;
+	*selector = sel;
+	dev_dbg(&reg->dev, "%s: calculated val %d\n", __func__, val);
+	anatop_set_bits(anatop_reg->mfd,
+			anatop_reg->control_reg,
+			anatop_reg->vol_bit_shift,
+			anatop_reg->vol_bit_width,
+			val);
+
+	return 0;
+}
+
+static int anatop_get_voltage_sel(struct regulator_dev *reg)
+{
+	struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
+	u32 val;
+
+	if (!anatop_reg->control_reg)
+		return -ENOTSUPP;
+
+	val = anatop_get_bits(anatop_reg->mfd,
+			      anatop_reg->control_reg,
+			      anatop_reg->vol_bit_shift,
+			      anatop_reg->vol_bit_width);
+
+	return val - anatop_reg->min_bit_val;
+}
+
+static int anatop_list_voltage(struct regulator_dev *reg, unsigned selector)
+{
+	struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
+	int uv;
+
+	uv = anatop_reg->min_voltage + selector * 25000;
+	dev_dbg(&reg->dev, "vddio = %d, selector = %u\n", uv, selector);
+
+	return uv;
+}
+
+static struct regulator_ops anatop_rops = {
+	.set_voltage     = anatop_set_voltage,
+	.get_voltage_sel = anatop_get_voltage_sel,
+	.list_voltage    = anatop_list_voltage,
+};
+
+static int __devinit anatop_regulator_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct device_node *np = dev->of_node;
+	struct regulator_desc *rdesc;
+	struct regulator_dev *rdev;
+	struct anatop_regulator *sreg;
+	struct regulator_init_data *initdata;
+	struct anatop *anatopmfd = dev_get_drvdata(pdev->dev.parent);
+	int ret = 0;
+
+	initdata = of_get_regulator_init_data(dev, np);
+	sreg = devm_kzalloc(dev, sizeof(*sreg), GFP_KERNEL);
+	if (!sreg)
+		return -ENOMEM;
+	sreg->initdata = initdata;
+	sreg->name = kstrdup(of_get_property(np, "regulator-name", NULL),
+			     GFP_KERNEL);
+	rdesc = &sreg->rdesc;
+	memset(rdesc, 0, sizeof(*rdesc));
+	rdesc->name = sreg->name;
+	rdesc->ops = &anatop_rops;
+	rdesc->type = REGULATOR_VOLTAGE;
+	rdesc->owner = THIS_MODULE;
+	sreg->mfd = anatopmfd;
+	ret = of_property_read_u32(np, "reg", &sreg->control_reg);
+	if (ret) {
+		dev_err(dev, "no reg property set\n");
+		goto anatop_probe_end;
+	}
+	ret = of_property_read_u32(np, "anatop-vol-bit-width",
+				   &sreg->vol_bit_width);
+	if (ret) {
+		dev_err(dev, "no anatop-vol-bit-width property set\n");
+		goto anatop_probe_end;
+	}
+	ret = of_property_read_u32(np, "anatop-vol-bit-shift",
+				   &sreg->vol_bit_shift);
+	if (ret) {
+		dev_err(dev, "no anatop-vol-bit-shift property set\n");
+		goto anatop_probe_end;
+	}
+	ret = of_property_read_u32(np, "anatop-min-bit-val",
+				   &sreg->min_bit_val);
+	if (ret) {
+		dev_err(dev, "no anatop-min-bit-val property set\n");
+		goto anatop_probe_end;
+	}
+	ret = of_property_read_u32(np, "anatop-min-voltage",
+				   &sreg->min_voltage);
+	if (ret) {
+		dev_err(dev, "no anatop-min-voltage property set\n");
+		goto anatop_probe_end;
+	}
+	ret = of_property_read_u32(np, "anatop-max-voltage",
+				   &sreg->max_voltage);
+	if (ret) {
+		dev_err(dev, "no anatop-max-voltage property set\n");
+		goto anatop_probe_end;
+	}
+
+	rdesc->n_voltages = (sreg->max_voltage - sreg->min_voltage)
+		/ 25000 + 1;
+
+	/* register regulator */
+	rdev = regulator_register(rdesc, dev,
+				  initdata, sreg, pdev->dev.of_node);
+	if (IS_ERR(rdev)) {
+		dev_err(dev, "failed to register %s\n",
+			rdesc->name);
+		ret = PTR_ERR(rdev);
+		goto anatop_probe_end;
+	}
+
+	platform_set_drvdata(pdev, rdev);
+
+anatop_probe_end:
+	if (ret)
+		kfree(sreg->name);
+
+	return ret;
+}
+
+static int __devexit anatop_regulator_remove(struct platform_device *pdev)
+{
+	struct regulator_dev *rdev = platform_get_drvdata(pdev);
+	struct anatop_regulator *sreg = rdev_get_drvdata(rdev);
+	const char *name = sreg->name;
+
+	regulator_unregister(rdev);
+	kfree(name);
+
+	return 0;
+}
+
+static struct of_device_id __devinitdata of_anatop_regulator_match_tbl[] = {
+	{ .compatible = "fsl,anatop-regulator", },
+	{ /* end */ }
+};
+
+static struct platform_driver anatop_regulator = {
+	.driver = {
+		.name	= "anatop_regulator",
+		.owner  = THIS_MODULE,
+		.of_match_table = of_anatop_regulator_match_tbl,
+	},
+	.probe	= anatop_regulator_probe,
+	.remove	= anatop_regulator_remove,
+};
+
+static int __init anatop_regulator_init(void)
+{
+	return platform_driver_register(&anatop_regulator);
+}
+postcore_initcall(anatop_regulator_init);
+
+static void __exit anatop_regulator_exit(void)
+{
+	platform_driver_unregister(&anatop_regulator);
+}
+module_exit(anatop_regulator_exit);
+
+MODULE_AUTHOR("Nancy Chen <Nancy.Chen@freescale.com>, "
+	      "Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>");
+MODULE_DESCRIPTION("ANATOP Regulator driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index fcde037b3461..c056abd7562a 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -13,8 +13,6 @@
  *
  */
 
-#define pr_fmt(fmt) "%s: " fmt, __func__
-
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/debugfs.h>
@@ -54,9 +52,7 @@ static LIST_HEAD(regulator_map_list);
 static bool has_full_constraints;
 static bool board_wants_dummy_regulator;
 
-#ifdef CONFIG_DEBUG_FS
 static struct dentry *debugfs_root;
-#endif
 
 /*
  * struct regulator_map
@@ -84,9 +80,7 @@ struct regulator {
 	char *supply_name;
 	struct device_attribute dev_attr;
 	struct regulator_dev *rdev;
-#ifdef CONFIG_DEBUG_FS
 	struct dentry *debugfs;
-#endif
 };
 
 static int _regulator_is_enabled(struct regulator_dev *rdev);
@@ -154,7 +148,7 @@ static struct device_node *of_get_regulator(struct device *dev, const char *supp
 	regnode = of_parse_phandle(dev->of_node, prop_name, 0);
 
 	if (!regnode) {
-		dev_warn(dev, "%s property in node %s references invalid phandle",
+		dev_dbg(dev, "Looking up %s property in node %s failed",
 				prop_name, dev->of_node->full_name);
 		return NULL;
 	}
@@ -807,6 +801,11 @@ static void print_constraints(struct regulator_dev *rdev)
 		count += sprintf(buf + count, "standby");
 
 	rdev_info(rdev, "%s\n", buf);
+
+	if ((constraints->min_uV != constraints->max_uV) &&
+	    !(constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE))
+		rdev_warn(rdev,
+			  "Voltage range but no REGULATOR_CHANGE_VOLTAGE\n");
 }
 
 static int machine_constraints_voltage(struct regulator_dev *rdev,
@@ -996,7 +995,6 @@ static int set_supply(struct regulator_dev *rdev,
 /**
  * set_consumer_device_supply - Bind a regulator to a symbolic supply
  * @rdev:         regulator source
- * @consumer_dev: device the supply applies to
  * @consumer_dev_name: dev_name() string for device supply applies to
  * @supply:       symbolic name for supply
  *
@@ -1004,22 +1002,14 @@ static int set_supply(struct regulator_dev *rdev,
  * sources to symbolic names for supplies for use by devices.  Devices
  * should use these symbolic names to request regulators, avoiding the
  * need to provide board-specific regulator names as platform data.
- *
- * Only one of consumer_dev and consumer_dev_name may be specified.
  */
 static int set_consumer_device_supply(struct regulator_dev *rdev,
-	struct device *consumer_dev, const char *consumer_dev_name,
-	const char *supply)
+				      const char *consumer_dev_name,
+				      const char *supply)
 {
 	struct regulator_map *node;
 	int has_dev;
 
-	if (consumer_dev && consumer_dev_name)
-		return -EINVAL;
-
-	if (!consumer_dev_name && consumer_dev)
-		consumer_dev_name = dev_name(consumer_dev);
-
 	if (supply == NULL)
 		return -EINVAL;
 
@@ -1039,11 +1029,12 @@ static int set_consumer_device_supply(struct regulator_dev *rdev,
 		if (strcmp(node->supply, supply) != 0)
 			continue;
 
-		dev_dbg(consumer_dev, "%s/%s is '%s' supply; fail %s/%s\n",
-			dev_name(&node->regulator->dev),
-			node->regulator->desc->name,
-			supply,
-			dev_name(&rdev->dev), rdev_get_name(rdev));
+		pr_debug("%s: %s/%s is '%s' supply; fail %s/%s\n",
+			 consumer_dev_name,
+			 dev_name(&node->regulator->dev),
+			 node->regulator->desc->name,
+			 supply,
+			 dev_name(&rdev->dev), rdev_get_name(rdev));
 		return -EBUSY;
 	}
 
@@ -1142,12 +1133,10 @@ static struct regulator *create_regulator(struct regulator_dev *rdev,
 			goto attr_err;
 	}
 
-#ifdef CONFIG_DEBUG_FS
 	regulator->debugfs = debugfs_create_dir(regulator->supply_name,
 						rdev->debugfs);
-	if (IS_ERR_OR_NULL(regulator->debugfs)) {
+	if (!regulator->debugfs) {
 		rdev_warn(rdev, "Failed to create debugfs directory\n");
-		regulator->debugfs = NULL;
 	} else {
 		debugfs_create_u32("uA_load", 0444, regulator->debugfs,
 				   &regulator->uA_load);
@@ -1156,7 +1145,6 @@ static struct regulator *create_regulator(struct regulator_dev *rdev,
 		debugfs_create_u32("max_uV", 0444, regulator->debugfs,
 				   &regulator->max_uV);
 	}
-#endif
 
 	mutex_unlock(&rdev->mutex);
 	return regulator;
@@ -1320,6 +1308,40 @@ struct regulator *regulator_get(struct device *dev, const char *id)
 }
 EXPORT_SYMBOL_GPL(regulator_get);
 
+static void devm_regulator_release(struct device *dev, void *res)
+{
+	regulator_put(*(struct regulator **)res);
+}
+
+/**
+ * devm_regulator_get - Resource managed regulator_get()
+ * @dev: device for regulator "consumer"
+ * @id: Supply name or regulator ID.
+ *
+ * Managed regulator_get(). Regulators returned from this function are
+ * automatically regulator_put() on driver detach. See regulator_get() for more
+ * information.
+ */
+struct regulator *devm_regulator_get(struct device *dev, const char *id)
+{
+	struct regulator **ptr, *regulator;
+
+	ptr = devres_alloc(devm_regulator_release, sizeof(*ptr), GFP_KERNEL);
+	if (!ptr)
+		return ERR_PTR(-ENOMEM);
+
+	regulator = regulator_get(dev, id);
+	if (!IS_ERR(regulator)) {
+		*ptr = regulator;
+		devres_add(dev, ptr);
+	} else {
+		devres_free(ptr);
+	}
+
+	return regulator;
+}
+EXPORT_SYMBOL_GPL(devm_regulator_get);
+
 /**
  * regulator_get_exclusive - obtain exclusive access to a regulator.
  * @dev: device for regulator "consumer"
@@ -1365,9 +1387,7 @@ void regulator_put(struct regulator *regulator)
 	mutex_lock(&regulator_list_mutex);
 	rdev = regulator->rdev;
 
-#ifdef CONFIG_DEBUG_FS
 	debugfs_remove_recursive(regulator->debugfs);
-#endif
 
 	/* remove any sysfs entries */
 	if (regulator->dev) {
@@ -1387,6 +1407,34 @@ void regulator_put(struct regulator *regulator)
 }
 EXPORT_SYMBOL_GPL(regulator_put);
 
+static int devm_regulator_match(struct device *dev, void *res, void *data)
+{
+	struct regulator **r = res;
+	if (!r || !*r) {
+		WARN_ON(!r || !*r);
+		return 0;
+	}
+	return *r == data;
+}
+
+/**
+ * devm_regulator_put - Resource managed regulator_put()
+ * @regulator: regulator to free
+ *
+ * Deallocate a regulator allocated with devm_regulator_get(). Normally
+ * this function will not need to be called and the resource management
+ * code will ensure that the resource is freed.
+ */
+void devm_regulator_put(struct regulator *regulator)
+{
+	int rc;
+
+	rc = devres_destroy(regulator->dev, devm_regulator_release,
+			    devm_regulator_match, regulator);
+	WARN_ON(rc);
+}
+EXPORT_SYMBOL_GPL(devm_regulator_put);
+
 static int _regulator_can_change_status(struct regulator_dev *rdev)
 {
 	if (!rdev->constraints)
@@ -1842,8 +1890,12 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
 			if (ret < 0)
 				return ret;
 			old_selector = ret;
-			delay = rdev->desc->ops->set_voltage_time_sel(rdev,
+			ret = rdev->desc->ops->set_voltage_time_sel(rdev,
 						old_selector, selector);
+			if (ret < 0)
+				rdev_warn(rdev, "set_voltage_time_sel() failed: %d\n", ret);
+			else
+				delay = ret;
 		}
 
 		if (best_val != INT_MAX) {
@@ -2394,13 +2446,59 @@ int regulator_bulk_get(struct device *dev, int num_consumers,
 	return 0;
 
 err:
-	for (i = 0; i < num_consumers && consumers[i].consumer; i++)
+	while (--i >= 0)
 		regulator_put(consumers[i].consumer);
 
 	return ret;
 }
 EXPORT_SYMBOL_GPL(regulator_bulk_get);
 
+/**
+ * devm_regulator_bulk_get - managed get multiple regulator consumers
+ *
+ * @dev:           Device to supply
+ * @num_consumers: Number of consumers to register
+ * @consumers:     Configuration of consumers; clients are stored here.
+ *
+ * @return 0 on success, an errno on failure.
+ *
+ * This helper function allows drivers to get several regulator
+ * consumers in one operation with management, the regulators will
+ * automatically be freed when the device is unbound.  If any of the
+ * regulators cannot be acquired then any regulators that were
+ * allocated will be freed before returning to the caller.
+ */
+int devm_regulator_bulk_get(struct device *dev, int num_consumers,
+			    struct regulator_bulk_data *consumers)
+{
+	int i;
+	int ret;
+
+	for (i = 0; i < num_consumers; i++)
+		consumers[i].consumer = NULL;
+
+	for (i = 0; i < num_consumers; i++) {
+		consumers[i].consumer = devm_regulator_get(dev,
+							   consumers[i].supply);
+		if (IS_ERR(consumers[i].consumer)) {
+			ret = PTR_ERR(consumers[i].consumer);
+			dev_err(dev, "Failed to get supply '%s': %d\n",
+				consumers[i].supply, ret);
+			consumers[i].consumer = NULL;
+			goto err;
+		}
+	}
+
+	return 0;
+
+err:
+	for (i = 0; i < num_consumers && consumers[i].consumer; i++)
+		devm_regulator_put(consumers[i].consumer);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(devm_regulator_bulk_get);
+
 static void regulator_bulk_enable_async(void *data, async_cookie_t cookie)
 {
 	struct regulator_bulk_data *bulk = data;
@@ -2444,12 +2542,9 @@ int regulator_bulk_enable(int num_consumers,
 	return 0;
 
 err:
-	for (i = 0; i < num_consumers; i++)
-		if (consumers[i].ret == 0)
-			regulator_disable(consumers[i].consumer);
-		else
-			pr_err("Failed to enable %s: %d\n",
-			       consumers[i].supply, consumers[i].ret);
+	pr_err("Failed to enable %s: %d\n", consumers[i].supply, ret);
+	while (--i >= 0)
+		regulator_disable(consumers[i].consumer);
 
 	return ret;
 }
@@ -2463,8 +2558,8 @@ EXPORT_SYMBOL_GPL(regulator_bulk_enable);
  * @return         0 on success, an errno on failure
  *
  * This convenience API allows consumers to disable multiple regulator
- * clients in a single API call.  If any consumers cannot be enabled
- * then any others that were disabled will be disabled again prior to
+ * clients in a single API call.  If any consumers cannot be disabled
+ * then any others that were disabled will be enabled again prior to
  * return.
  */
 int regulator_bulk_disable(int num_consumers,
@@ -2473,7 +2568,7 @@ int regulator_bulk_disable(int num_consumers,
 	int i;
 	int ret;
 
-	for (i = 0; i < num_consumers; i++) {
+	for (i = num_consumers - 1; i >= 0; --i) {
 		ret = regulator_disable(consumers[i].consumer);
 		if (ret != 0)
 			goto err;
@@ -2483,7 +2578,7 @@ int regulator_bulk_disable(int num_consumers,
 
 err:
 	pr_err("Failed to disable %s: %d\n", consumers[i].supply, ret);
-	for (--i; i >= 0; --i)
+	for (++i; i < num_consumers; ++i)
 		regulator_enable(consumers[i].consumer);
 
 	return ret;
@@ -2710,11 +2805,9 @@ static int add_regulator_attributes(struct regulator_dev *rdev)
 
 static void rdev_init_debugfs(struct regulator_dev *rdev)
 {
-#ifdef CONFIG_DEBUG_FS
 	rdev->debugfs = debugfs_create_dir(rdev_get_name(rdev), debugfs_root);
-	if (IS_ERR(rdev->debugfs) || !rdev->debugfs) {
+	if (!rdev->debugfs) {
 		rdev_warn(rdev, "Failed to create debugfs directory\n");
-		rdev->debugfs = NULL;
 		return;
 	}
 
@@ -2722,7 +2815,6 @@ static void rdev_init_debugfs(struct regulator_dev *rdev)
 			   &rdev->use_count);
 	debugfs_create_u32("open_count", 0444, rdev->debugfs,
 			   &rdev->open_count);
-#endif
 }
 
 /**
@@ -2855,7 +2947,6 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
 	if (init_data) {
 		for (i = 0; i < init_data->num_consumer_supplies; i++) {
 			ret = set_consumer_device_supply(rdev,
-				init_data->consumer_supplies[i].dev,
 				init_data->consumer_supplies[i].dev_name,
 				init_data->consumer_supplies[i].supply);
 			if (ret < 0) {
@@ -2902,9 +2993,7 @@ void regulator_unregister(struct regulator_dev *rdev)
 		return;
 
 	mutex_lock(&regulator_list_mutex);
-#ifdef CONFIG_DEBUG_FS
 	debugfs_remove_recursive(rdev->debugfs);
-#endif
 	flush_work_sync(&rdev->disable_work.work);
 	WARN_ON(rdev->open_count);
 	unset_regulator_supplies(rdev);
@@ -3114,12 +3203,14 @@ static ssize_t supply_map_read_file(struct file *file, char __user *user_buf,
 
 	return ret;
 }
+#endif
 
 static const struct file_operations supply_map_fops = {
+#ifdef CONFIG_DEBUG_FS
 	.read = supply_map_read_file,
 	.llseek = default_llseek,
-};
 #endif
+};
 
 static int __init regulator_init(void)
 {
@@ -3127,17 +3218,12 @@ static int __init regulator_init(void)
 
 	ret = class_register(&regulator_class);
 
-#ifdef CONFIG_DEBUG_FS
 	debugfs_root = debugfs_create_dir("regulator", NULL);
-	if (IS_ERR(debugfs_root) || !debugfs_root) {
+	if (!debugfs_root)
 		pr_warn("regulator: Failed to create debugfs directory\n");
-		debugfs_root = NULL;
-	}
 
-	if (IS_ERR(debugfs_create_file("supply_map", 0444, debugfs_root,
-				       NULL, &supply_map_fops)))
-		pr_warn("regulator: Failed to create supplies debugfs\n");
-#endif
+	debugfs_create_file("supply_map", 0444, debugfs_root, NULL,
+			    &supply_map_fops);
 
 	regulator_dummy_init();
 
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c
index 8dbc54da7d70..1851f0929ef0 100644
--- a/drivers/regulator/da903x.c
+++ b/drivers/regulator/da903x.c
@@ -119,7 +119,7 @@ static int da903x_set_ldo_voltage(struct regulator_dev *rdev,
 		return -EINVAL;
 	}
 
-	val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+	val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
 	*selector = val;
 	val <<= info->vol_shift;
 	mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
@@ -202,7 +202,7 @@ static int da9030_set_ldo1_15_voltage(struct regulator_dev *rdev,
 		return -EINVAL;
 	}
 
-	val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+	val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
 	*selector = val;
 	val <<= info->vol_shift;
 	mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
@@ -233,10 +233,10 @@ static int da9030_set_ldo14_voltage(struct regulator_dev *rdev,
 
 	thresh = (info->max_uV + info->min_uV) / 2;
 	if (min_uV < thresh) {
-		val = (thresh - min_uV + info->step_uV - 1) / info->step_uV;
+		val = DIV_ROUND_UP(thresh - min_uV, info->step_uV);
 		val |= 0x4;
 	} else {
-		val = (min_uV - thresh + info->step_uV - 1) / info->step_uV;
+		val = DIV_ROUND_UP(min_uV - thresh, info->step_uV);
 	}
 
 	*selector = val;
@@ -281,7 +281,7 @@ static int da9034_set_dvc_voltage(struct regulator_dev *rdev,
 		return -EINVAL;
 	}
 
-	val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+	val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
 	*selector = val;
 	val <<= info->vol_shift;
 	mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
@@ -307,7 +307,7 @@ static int da9034_set_ldo12_voltage(struct regulator_dev *rdev,
 		return -EINVAL;
 	}
 
-	val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+	val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
 	val = (val >= 20) ? val - 12 : ((val > 7) ? 8 : val);
 	*selector = val;
 	val <<= info->vol_shift;
diff --git a/drivers/regulator/db8500-prcmu.c b/drivers/regulator/db8500-prcmu.c
index 515443fcd26b..4bd25e75efa0 100644
--- a/drivers/regulator/db8500-prcmu.c
+++ b/drivers/regulator/db8500-prcmu.c
@@ -18,74 +18,11 @@
 #include <linux/regulator/machine.h>
 #include <linux/regulator/db8500-prcmu.h>
 #include <linux/module.h>
-
-/*
- * power state reference count
- */
-static int power_state_active_cnt; /* will initialize to zero */
-static DEFINE_SPINLOCK(power_state_active_lock);
-
-static void power_state_active_enable(void)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&power_state_active_lock, flags);
-	power_state_active_cnt++;
-	spin_unlock_irqrestore(&power_state_active_lock, flags);
-}
-
-static int power_state_active_disable(void)
-{
-	int ret = 0;
-	unsigned long flags;
-
-	spin_lock_irqsave(&power_state_active_lock, flags);
-	if (power_state_active_cnt <= 0) {
-		pr_err("power state: unbalanced enable/disable calls\n");
-		ret = -EINVAL;
-		goto out;
-	}
-
-	power_state_active_cnt--;
-out:
-	spin_unlock_irqrestore(&power_state_active_lock, flags);
-	return ret;
-}
-
-/*
- * Exported interface for CPUIdle only. This function is called when interrupts
- * are turned off. Hence, no locking.
- */
-int power_state_active_is_enabled(void)
-{
-	return (power_state_active_cnt > 0);
-}
-
-/**
- * struct db8500_regulator_info - db8500 regulator information
- * @dev: device pointer
- * @desc: regulator description
- * @rdev: regulator device pointer
- * @is_enabled: status of the regulator
- * @epod_id: id for EPOD (power domain)
- * @is_ramret: RAM retention switch for EPOD (power domain)
- * @operating_point: operating point (only for vape, to be removed)
- *
- */
-struct db8500_regulator_info {
-	struct device *dev;
-	struct regulator_desc desc;
-	struct regulator_dev *rdev;
-	bool is_enabled;
-	u16 epod_id;
-	bool is_ramret;
-	bool exclude_from_power_state;
-	unsigned int operating_point;
-};
+#include "dbx500-prcmu.h"
 
 static int db8500_regulator_enable(struct regulator_dev *rdev)
 {
-	struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
+	struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
 
 	if (info == NULL)
 		return -EINVAL;
@@ -93,16 +30,18 @@ static int db8500_regulator_enable(struct regulator_dev *rdev)
 	dev_vdbg(rdev_get_dev(rdev), "regulator-%s-enable\n",
 		info->desc.name);
 
-	info->is_enabled = true;
-	if (!info->exclude_from_power_state)
-		power_state_active_enable();
+	if (!info->is_enabled) {
+		info->is_enabled = true;
+		if (!info->exclude_from_power_state)
+			power_state_active_enable();
+	}
 
 	return 0;
 }
 
 static int db8500_regulator_disable(struct regulator_dev *rdev)
 {
-	struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
+	struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
 	int ret = 0;
 
 	if (info == NULL)
@@ -111,16 +50,18 @@ static int db8500_regulator_disable(struct regulator_dev *rdev)
 	dev_vdbg(rdev_get_dev(rdev), "regulator-%s-disable\n",
 		info->desc.name);
 
-	info->is_enabled = false;
-	if (!info->exclude_from_power_state)
-		ret = power_state_active_disable();
+	if (info->is_enabled) {
+		info->is_enabled = false;
+		if (!info->exclude_from_power_state)
+			ret = power_state_active_disable();
+	}
 
 	return ret;
 }
 
 static int db8500_regulator_is_enabled(struct regulator_dev *rdev)
 {
-	struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
+	struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
 
 	if (info == NULL)
 		return -EINVAL;
@@ -197,7 +138,7 @@ static int disable_epod(u16 epod_id, bool ramret)
  */
 static int db8500_regulator_switch_enable(struct regulator_dev *rdev)
 {
-	struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
+	struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
 	int ret;
 
 	if (info == NULL)
@@ -221,7 +162,7 @@ out:
 
 static int db8500_regulator_switch_disable(struct regulator_dev *rdev)
 {
-	struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
+	struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
 	int ret;
 
 	if (info == NULL)
@@ -245,7 +186,7 @@ out:
 
 static int db8500_regulator_switch_is_enabled(struct regulator_dev *rdev)
 {
-	struct db8500_regulator_info *info = rdev_get_drvdata(rdev);
+	struct dbx500_regulator_info *info = rdev_get_drvdata(rdev);
 
 	if (info == NULL)
 		return -EINVAL;
@@ -266,8 +207,8 @@ static struct regulator_ops db8500_regulator_switch_ops = {
 /*
  * Regulator information
  */
-static struct db8500_regulator_info
-db8500_regulator_info[DB8500_NUM_REGULATORS] = {
+static struct dbx500_regulator_info
+dbx500_regulator_info[DB8500_NUM_REGULATORS] = {
 	[DB8500_REGULATOR_VAPE] = {
 		.desc = {
 			.name	= "db8500-vape",
@@ -476,12 +417,12 @@ static int __devinit db8500_regulator_probe(struct platform_device *pdev)
 	int i, err;
 
 	/* register all regulators */
-	for (i = 0; i < ARRAY_SIZE(db8500_regulator_info); i++) {
-		struct db8500_regulator_info *info;
+	for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
+		struct dbx500_regulator_info *info;
 		struct regulator_init_data *init_data = &db8500_init_data[i];
 
 		/* assign per-regulator data */
-		info = &db8500_regulator_info[i];
+		info = &dbx500_regulator_info[i];
 		info->dev = &pdev->dev;
 
 		/* register with the regulator framework */
@@ -494,7 +435,7 @@ static int __devinit db8500_regulator_probe(struct platform_device *pdev)
 
 			/* if failing, unregister all earlier regulators */
 			while (--i >= 0) {
-				info = &db8500_regulator_info[i];
+				info = &dbx500_regulator_info[i];
 				regulator_unregister(info->rdev);
 			}
 			return err;
@@ -503,17 +444,22 @@ static int __devinit db8500_regulator_probe(struct platform_device *pdev)
 		dev_dbg(rdev_get_dev(info->rdev),
 			"regulator-%s-probed\n", info->desc.name);
 	}
+	err = ux500_regulator_debug_init(pdev,
+					 dbx500_regulator_info,
+					 ARRAY_SIZE(dbx500_regulator_info));
 
-	return 0;
+	return err;
 }
 
 static int __exit db8500_regulator_remove(struct platform_device *pdev)
 {
 	int i;
 
-	for (i = 0; i < ARRAY_SIZE(db8500_regulator_info); i++) {
-		struct db8500_regulator_info *info;
-		info = &db8500_regulator_info[i];
+	ux500_regulator_debug_exit();
+
+	for (i = 0; i < ARRAY_SIZE(dbx500_regulator_info); i++) {
+		struct dbx500_regulator_info *info;
+		info = &dbx500_regulator_info[i];
 
 		dev_vdbg(rdev_get_dev(info->rdev),
 			"regulator-%s-remove\n", info->desc.name);
diff --git a/drivers/regulator/dbx500-prcmu.c b/drivers/regulator/dbx500-prcmu.c
new file mode 100644
index 000000000000..f2e5ecdc5864
--- /dev/null
+++ b/drivers/regulator/dbx500-prcmu.c
@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
+ *          Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson
+ *
+ * UX500 common part of Power domain regulators
+ */
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/regulator/driver.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+
+#include "dbx500-prcmu.h"
+
+/*
+ * power state reference count
+ */
+static int power_state_active_cnt; /* will initialize to zero */
+static DEFINE_SPINLOCK(power_state_active_lock);
+
+int power_state_active_get(void)
+{
+	unsigned long flags;
+	int cnt;
+
+	spin_lock_irqsave(&power_state_active_lock, flags);
+	cnt = power_state_active_cnt;
+	spin_unlock_irqrestore(&power_state_active_lock, flags);
+
+	return cnt;
+}
+
+void power_state_active_enable(void)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&power_state_active_lock, flags);
+	power_state_active_cnt++;
+	spin_unlock_irqrestore(&power_state_active_lock, flags);
+}
+
+int power_state_active_disable(void)
+{
+	int ret = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&power_state_active_lock, flags);
+	if (power_state_active_cnt <= 0) {
+		pr_err("power state: unbalanced enable/disable calls\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	power_state_active_cnt--;
+out:
+	spin_unlock_irqrestore(&power_state_active_lock, flags);
+	return ret;
+}
+
+#ifdef CONFIG_REGULATOR_DEBUG
+
+static struct ux500_regulator_debug {
+	struct dentry *dir;
+	struct dentry *status_file;
+	struct dentry *power_state_cnt_file;
+	struct dbx500_regulator_info *regulator_array;
+	int num_regulators;
+	u8 *state_before_suspend;
+	u8 *state_after_suspend;
+} rdebug;
+
+void ux500_regulator_suspend_debug(void)
+{
+	int i;
+	for (i = 0; i < rdebug.num_regulators; i++)
+		rdebug.state_before_suspend[i] =
+			rdebug.regulator_array[i].is_enabled;
+}
+
+void ux500_regulator_resume_debug(void)
+{
+	int i;
+	for (i = 0; i < rdebug.num_regulators; i++)
+		rdebug.state_after_suspend[i] =
+			rdebug.regulator_array[i].is_enabled;
+}
+
+static int ux500_regulator_power_state_cnt_print(struct seq_file *s, void *p)
+{
+	struct device *dev = s->private;
+	int err;
+
+	/* print power state count */
+	err = seq_printf(s, "ux500-regulator power state count: %i\n",
+		power_state_active_get());
+	if (err < 0)
+		dev_err(dev, "seq_printf overflow\n");
+
+	return 0;
+}
+
+static int ux500_regulator_power_state_cnt_open(struct inode *inode,
+	struct file *file)
+{
+	return single_open(file, ux500_regulator_power_state_cnt_print,
+		inode->i_private);
+}
+
+static const struct file_operations ux500_regulator_power_state_cnt_fops = {
+	.open = ux500_regulator_power_state_cnt_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static int ux500_regulator_status_print(struct seq_file *s, void *p)
+{
+	struct device *dev = s->private;
+	int err;
+	int i;
+
+	/* print dump header */
+	err = seq_printf(s, "ux500-regulator status:\n");
+	if (err < 0)
+		dev_err(dev, "seq_printf overflow\n");
+
+	err = seq_printf(s, "%31s : %8s : %8s\n", "current",
+		"before", "after");
+	if (err < 0)
+		dev_err(dev, "seq_printf overflow\n");
+
+	for (i = 0; i < rdebug.num_regulators; i++) {
+		struct dbx500_regulator_info *info;
+		/* Access per-regulator data */
+		info = &rdebug.regulator_array[i];
+
+		/* print status */
+		err = seq_printf(s, "%20s : %8s : %8s : %8s\n", info->desc.name,
+			info->is_enabled ? "enabled" : "disabled",
+			rdebug.state_before_suspend[i] ? "enabled" : "disabled",
+			rdebug.state_after_suspend[i] ? "enabled" : "disabled");
+		if (err < 0)
+			dev_err(dev, "seq_printf overflow\n");
+	}
+
+	return 0;
+}
+
+static int ux500_regulator_status_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, ux500_regulator_status_print,
+		inode->i_private);
+}
+
+static const struct file_operations ux500_regulator_status_fops = {
+	.open = ux500_regulator_status_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+int __attribute__((weak)) dbx500_regulator_testcase(
+	struct dbx500_regulator_info *regulator_info,
+	int num_regulators)
+{
+	return 0;
+}
+
+int __devinit
+ux500_regulator_debug_init(struct platform_device *pdev,
+	struct dbx500_regulator_info *regulator_info,
+	int num_regulators)
+{
+	/* create directory */
+	rdebug.dir = debugfs_create_dir("ux500-regulator", NULL);
+	if (!rdebug.dir)
+		goto exit_no_debugfs;
+
+	/* create "status" file */
+	rdebug.status_file = debugfs_create_file("status",
+		S_IRUGO, rdebug.dir, &pdev->dev,
+		&ux500_regulator_status_fops);
+	if (!rdebug.status_file)
+		goto exit_destroy_dir;
+
+	/* create "power-state-count" file */
+	rdebug.power_state_cnt_file = debugfs_create_file("power-state-count",
+		S_IRUGO, rdebug.dir, &pdev->dev,
+		&ux500_regulator_power_state_cnt_fops);
+	if (!rdebug.power_state_cnt_file)
+		goto exit_destroy_status;
+
+	rdebug.regulator_array = regulator_info;
+	rdebug.num_regulators = num_regulators;
+
+	rdebug.state_before_suspend = kzalloc(num_regulators, GFP_KERNEL);
+	if (!rdebug.state_before_suspend) {
+		dev_err(&pdev->dev,
+			"could not allocate memory for saving state\n");
+		goto exit_destroy_power_state;
+	}
+
+	rdebug.state_after_suspend = kzalloc(num_regulators, GFP_KERNEL);
+	if (!rdebug.state_after_suspend) {
+		dev_err(&pdev->dev,
+			"could not allocate memory for saving state\n");
+		goto exit_free;
+	}
+
+	dbx500_regulator_testcase(regulator_info, num_regulators);
+	return 0;
+
+exit_free:
+	kfree(rdebug.state_before_suspend);
+exit_destroy_power_state:
+	debugfs_remove(rdebug.power_state_cnt_file);
+exit_destroy_status:
+	debugfs_remove(rdebug.status_file);
+exit_destroy_dir:
+	debugfs_remove(rdebug.dir);
+exit_no_debugfs:
+	dev_err(&pdev->dev, "failed to create debugfs entries.\n");
+	return -ENOMEM;
+}
+
+int __devexit ux500_regulator_debug_exit(void)
+{
+	debugfs_remove_recursive(rdebug.dir);
+	kfree(rdebug.state_after_suspend);
+	kfree(rdebug.state_before_suspend);
+
+	return 0;
+}
+#endif
diff --git a/drivers/regulator/dbx500-prcmu.h b/drivers/regulator/dbx500-prcmu.h
new file mode 100644
index 000000000000..e763883a44f4
--- /dev/null
+++ b/drivers/regulator/dbx500-prcmu.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Bengt Jonsson <bengt.jonsson@stericsson.com> for ST-Ericsson,
+ *	   Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson
+ *
+ * License Terms: GNU General Public License v2
+ *
+ */
+
+#ifndef DBX500_REGULATOR_H
+#define DBX500_REGULATOR_H
+
+#include <linux/platform_device.h>
+
+/**
+ * struct dbx500_regulator_info - dbx500 regulator information
+ * @dev: device pointer
+ * @desc: regulator description
+ * @rdev: regulator device pointer
+ * @is_enabled: status of the regulator
+ * @epod_id: id for EPOD (power domain)
+ * @is_ramret: RAM retention switch for EPOD (power domain)
+ * @operating_point: operating point (only for vape, to be removed)
+ *
+ */
+struct dbx500_regulator_info {
+	struct device *dev;
+	struct regulator_desc desc;
+	struct regulator_dev *rdev;
+	bool is_enabled;
+	u16 epod_id;
+	bool is_ramret;
+	bool exclude_from_power_state;
+	unsigned int operating_point;
+};
+
+void power_state_active_enable(void);
+int power_state_active_disable(void);
+
+
+#ifdef CONFIG_REGULATOR_DEBUG
+int ux500_regulator_debug_init(struct platform_device *pdev,
+			       struct dbx500_regulator_info *regulator_info,
+			       int num_regulators);
+
+int ux500_regulator_debug_exit(void);
+#else
+
+static inline int ux500_regulator_debug_init(struct platform_device *pdev,
+			     struct dbx500_regulator_info *regulator_info,
+			     int num_regulators)
+{
+	return 0;
+}
+
+static inline int ux500_regulator_debug_exit(void)
+{
+	return 0;
+}
+
+#endif
+#endif
diff --git a/drivers/regulator/fixed-helper.c b/drivers/regulator/fixed-helper.c
new file mode 100644
index 000000000000..30d0a15b8949
--- /dev/null
+++ b/drivers/regulator/fixed-helper.c
@@ -0,0 +1,53 @@
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+
+struct fixed_regulator_data {
+	struct fixed_voltage_config cfg;
+	struct regulator_init_data init_data;
+	struct platform_device pdev;
+};
+
+static void regulator_fixed_release(struct device *dev)
+{
+	struct fixed_regulator_data *data = container_of(dev,
+			struct fixed_regulator_data, pdev.dev);
+	kfree(data);
+}
+
+/**
+ * regulator_register_fixed - register a no-op fixed regulator
+ * @name: supply name
+ * @id: platform device id
+ * @supplies: consumers for this regulator
+ * @num_supplies: number of consumers
+ */
+struct platform_device *regulator_register_fixed(int id,
+		struct regulator_consumer_supply *supplies, int num_supplies)
+{
+	struct fixed_regulator_data *data;
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return NULL;
+
+	data->cfg.supply_name = "dummy";
+	data->cfg.microvolts = 0;
+	data->cfg.gpio = -EINVAL;
+	data->cfg.enabled_at_boot = 1;
+	data->cfg.init_data = &data->init_data;
+
+	data->init_data.constraints.always_on = 1;
+	data->init_data.consumer_supplies = supplies;
+	data->init_data.num_consumer_supplies = num_supplies;
+
+	data->pdev.name = "reg-fixed-voltage";
+	data->pdev.id = id;
+	data->pdev.dev.platform_data = &data->cfg;
+	data->pdev.dev.release = regulator_fixed_release;
+
+	platform_device_register(&data->pdev);
+
+	return &data->pdev;
+}
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index e24e3a174c4b..40f38030b394 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -192,7 +192,9 @@ static int __devinit reg_fixed_voltage_probe(struct platform_device *pdev)
 	drvdata->desc.type = REGULATOR_VOLTAGE;
 	drvdata->desc.owner = THIS_MODULE;
 	drvdata->desc.ops = &fixed_voltage_ops;
-	drvdata->desc.n_voltages = 1;
+
+	if (config->microvolts)
+		drvdata->desc.n_voltages = 1;
 
 	drvdata->microvolts = config->microvolts;
 	drvdata->gpio = config->gpio;
diff --git a/drivers/regulator/isl6271a-regulator.c b/drivers/regulator/isl6271a-regulator.c
index c1a456c4257c..775f5fd208c3 100644
--- a/drivers/regulator/isl6271a-regulator.c
+++ b/drivers/regulator/isl6271a-regulator.c
@@ -63,23 +63,15 @@ static int isl6271a_set_voltage(struct regulator_dev *dev,
 				unsigned *selector)
 {
 	struct isl_pmic *pmic = rdev_get_drvdata(dev);
-	int vsel, err, data;
+	int err, data;
 
 	if (minuV < ISL6271A_VOLTAGE_MIN || minuV > ISL6271A_VOLTAGE_MAX)
 		return -EINVAL;
 	if (maxuV < ISL6271A_VOLTAGE_MIN || maxuV > ISL6271A_VOLTAGE_MAX)
 		return -EINVAL;
 
-	/* Align to 50000 mV */
-	vsel = minuV - (minuV % ISL6271A_VOLTAGE_STEP);
-
-	/* If the result fell out of [minuV,maxuV] range, put it back */
-	if (vsel < minuV)
-		vsel += ISL6271A_VOLTAGE_STEP;
-
-	/* Convert the microvolts to data for the chip */
-	data = (vsel - ISL6271A_VOLTAGE_MIN) / ISL6271A_VOLTAGE_STEP;
-
+	data = DIV_ROUND_UP(minuV - ISL6271A_VOLTAGE_MIN,
+			    ISL6271A_VOLTAGE_STEP);
 	*selector = data;
 
 	mutex_lock(&pmic->mtx);
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 40e7a4db2853..282d2ee0604e 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -76,8 +76,8 @@ static int max1586_v3_set(struct regulator_dev *rdev, int min_uV, int max_uV,
 	if (min_uV < max1586->min_uV)
 		min_uV = max1586->min_uV;
 
-	*selector = ((min_uV - max1586->min_uV) * MAX1586_V3_MAX_VSEL +
-			range_uV - 1) / range_uV;
+	*selector = DIV_ROUND_UP((min_uV - max1586->min_uV) *
+				 MAX1586_V3_MAX_VSEL, range_uV);
 	if (max1586_v3_calc_voltage(max1586, *selector) > max_uV)
 		return -EINVAL;
 
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index d0e1180ad961..824c650436ed 100644
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -101,8 +101,7 @@ static int max8649_set_voltage(struct regulator_dev *rdev,
 			min_uV, max_uV);
 		return -EINVAL;
 	}
-	data = (min_uV - MAX8649_DCDC_VMIN + MAX8649_DCDC_STEP - 1)
-		/ MAX8649_DCDC_STEP;
+	data = DIV_ROUND_UP(min_uV - MAX8649_DCDC_VMIN, MAX8649_DCDC_STEP);
 	mask = MAX8649_VOL_MASK;
 	*selector = data & mask;
 
@@ -270,7 +269,7 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
 			ret);
 		goto out;
 	}
-	dev_info(info->dev, "Detected MAX8649 (ID:%x)\n", ret);
+	dev_info(info->dev, "Detected MAX8649 (ID:%x)\n", val);
 
 	/* enable VID0 & VID1 */
 	regmap_update_bits(info->regmap, MAX8649_CONTROL, MAX8649_VID_MASK, 0);
diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
index a838e664569f..4c5b05311f47 100644
--- a/drivers/regulator/max8660.c
+++ b/drivers/regulator/max8660.c
@@ -153,14 +153,15 @@ static int max8660_dcdc_set(struct regulator_dev *rdev, int min_uV, int max_uV,
 	if (max_uV < MAX8660_DCDC_MIN_UV || max_uV > MAX8660_DCDC_MAX_UV)
 		return -EINVAL;
 
-	selector = (min_uV - (MAX8660_DCDC_MIN_UV - MAX8660_DCDC_STEP + 1))
-			/ MAX8660_DCDC_STEP;
-	*s = selector;
+	selector = DIV_ROUND_UP(min_uV - MAX8660_DCDC_MIN_UV,
+				MAX8660_DCDC_STEP);
 
 	ret = max8660_dcdc_list(rdev, selector);
 	if (ret < 0 || ret > max_uV)
 		return -EINVAL;
 
+	*s = selector;
+
 	reg = (rdev_get_id(rdev) == MAX8660_V3) ? MAX8660_ADTV2 : MAX8660_SDTV2;
 	ret = max8660_write(max8660, reg, 0, selector);
 	if (ret)
@@ -210,8 +211,9 @@ static int max8660_ldo5_set(struct regulator_dev *rdev, int min_uV, int max_uV,
 	if (max_uV < MAX8660_LDO5_MIN_UV || max_uV > MAX8660_LDO5_MAX_UV)
 		return -EINVAL;
 
-	selector = (min_uV - (MAX8660_LDO5_MIN_UV - MAX8660_LDO5_STEP + 1))
-			/ MAX8660_LDO5_STEP;
+	selector = DIV_ROUND_UP(min_uV - MAX8660_LDO5_MIN_UV,
+				MAX8660_LDO5_STEP);
+
 	ret = max8660_ldo5_list(rdev, selector);
 	if (ret < 0 || ret > max_uV)
 		return -EINVAL;
@@ -287,8 +289,8 @@ static int max8660_ldo67_set(struct regulator_dev *rdev, int min_uV,
 	if (max_uV < MAX8660_LDO67_MIN_UV || max_uV > MAX8660_LDO67_MAX_UV)
 		return -EINVAL;
 
-	selector = (min_uV - (MAX8660_LDO67_MIN_UV - MAX8660_LDO67_STEP + 1))
-			/ MAX8660_LDO67_STEP;
+	selector = DIV_ROUND_UP(min_uV - MAX8660_LDO67_MIN_UV,
+				MAX8660_LDO67_STEP);
 
 	ret = max8660_ldo67_list(rdev, selector);
 	if (ret < 0 || ret > max_uV)
diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c
index cc290d37c463..2f242f43096e 100644
--- a/drivers/regulator/max8925-regulator.c
+++ b/drivers/regulator/max8925-regulator.c
@@ -73,7 +73,7 @@ static int max8925_set_voltage(struct regulator_dev *rdev,
 			min_uV, max_uV);
 		return -EINVAL;
 	}
-	data = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+	data = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
 	*selector = data;
 	data <<= info->vol_shift;
 	mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
@@ -140,7 +140,7 @@ static int max8925_set_dvm_voltage(struct regulator_dev *rdev, int uV)
 	if (uV < SD1_DVM_VMIN || uV > SD1_DVM_VMAX)
 		return -EINVAL;
 
-	data = (uV - SD1_DVM_VMIN + SD1_DVM_STEP - 1) / SD1_DVM_STEP;
+	data = DIV_ROUND_UP(uV - SD1_DVM_VMIN, SD1_DVM_STEP);
 	data <<= SD1_DVM_SHIFT;
 	mask = 3 << SD1_DVM_SHIFT;
 
diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index d26e8646277b..96579296f04d 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -130,15 +130,10 @@ static const struct voltage_map_desc *reg_voltage_map[] = {
 	[MAX8997_CHARGER_TOPOFF] = &topoff_current_map_desc,
 };
 
-static inline int max8997_get_rid(struct regulator_dev *rdev)
-{
-	return rdev_get_id(rdev);
-}
-
 static int max8997_list_voltage_safeout(struct regulator_dev *rdev,
 		unsigned int selector)
 {
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 
 	if (rid == MAX8997_ESAFEOUT1 || rid == MAX8997_ESAFEOUT2) {
 		switch (selector) {
@@ -161,7 +156,7 @@ static int max8997_list_voltage_safeout(struct regulator_dev *rdev,
 static int max8997_list_voltage_charger_cv(struct regulator_dev *rdev,
 		unsigned int selector)
 {
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 
 	if (rid != MAX8997_CHARGER_CV)
 		goto err;
@@ -184,7 +179,7 @@ static int max8997_list_voltage(struct regulator_dev *rdev,
 		unsigned int selector)
 {
 	const struct voltage_map_desc *desc;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	int val;
 
 	if (rid >= ARRAY_SIZE(reg_voltage_map) ||
@@ -205,7 +200,7 @@ static int max8997_list_voltage(struct regulator_dev *rdev,
 static int max8997_get_enable_register(struct regulator_dev *rdev,
 		int *reg, int *mask, int *pattern)
 {
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 
 	switch (rid) {
 	case MAX8997_LDO1 ... MAX8997_LDO21:
@@ -325,7 +320,7 @@ static int max8997_reg_disable(struct regulator_dev *rdev)
 static int max8997_get_voltage_register(struct regulator_dev *rdev,
 		int *_reg, int *_shift, int *_mask)
 {
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	int reg, shift = 0, mask = 0x3f;
 
 	switch (rid) {
@@ -386,7 +381,7 @@ static int max8997_get_voltage(struct regulator_dev *rdev)
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
 	struct i2c_client *i2c = max8997->iodev->i2c;
 	int reg, shift, mask, ret;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	u8 val;
 
 	ret = max8997_get_voltage_register(rdev, &reg, &shift, &mask);
@@ -446,7 +441,7 @@ static int max8997_set_voltage_charger_cv(struct regulator_dev *rdev,
 {
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
 	struct i2c_client *i2c = max8997->iodev->i2c;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	int lb, ub;
 	int reg, shift = 0, mask, ret = 0;
 	u8 val = 0x0;
@@ -503,7 +498,7 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev,
 	struct i2c_client *i2c = max8997->iodev->i2c;
 	int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
 	const struct voltage_map_desc *desc;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	int reg, shift = 0, mask, ret;
 	int i;
 	u8 org;
@@ -564,7 +559,7 @@ static int max8997_assess_side_effect(struct regulator_dev *rdev,
 		u8 new_val, int *best)
 {
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	u8 *buckx_val[3];
 	bool buckx_gpiodvs[3];
 	int side_effect[8];
@@ -641,7 +636,7 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev,
 		int min_uV, int max_uV, unsigned *selector)
 {
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	const struct voltage_map_desc *desc;
 	int new_val, new_idx, damage, tmp_val, tmp_idx, tmp_dmg;
 	bool gpio_dvs_mode = false;
@@ -724,7 +719,7 @@ static int max8997_set_voltage_safeout(struct regulator_dev *rdev,
 {
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
 	struct i2c_client *i2c = max8997->iodev->i2c;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	int reg, shift = 0, mask, ret;
 	int i = 0;
 	u8 val;
@@ -766,7 +761,7 @@ static int max8997_reg_disable_suspend(struct regulator_dev *rdev)
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
 	struct i2c_client *i2c = max8997->iodev->i2c;
 	int ret, reg, mask, pattern;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 
 	ret = max8997_get_enable_register(rdev, &reg, &mask, &pattern);
 	if (ret)
@@ -908,13 +903,13 @@ static struct regulator_desc regulators[] = {
 	},
 	regulator_desc_buck(7),
 	{
-		.name	= "EN32KHz AP",
+		.name	= "EN32KHz_AP",
 		.id	= MAX8997_EN32KHZ_AP,
 		.ops	= &max8997_fixedvolt_ops,
 		.type	= REGULATOR_VOLTAGE,
 		.owner	= THIS_MODULE,
 	}, {
-		.name	= "EN32KHz CP",
+		.name	= "EN32KHz_CP",
 		.id	= MAX8997_EN32KHZ_CP,
 		.ops	= &max8997_fixedvolt_ops,
 		.type	= REGULATOR_VOLTAGE,
@@ -938,7 +933,7 @@ static struct regulator_desc regulators[] = {
 		.type	= REGULATOR_VOLTAGE,
 		.owner	 = THIS_MODULE,
 	}, {
-		.name	= "CHARGER CV",
+		.name	= "CHARGER_CV",
 		.id	= MAX8997_CHARGER_CV,
 		.ops	= &max8997_fixedstate_ops,
 		.type	= REGULATOR_VOLTAGE,
@@ -950,7 +945,7 @@ static struct regulator_desc regulators[] = {
 		.type	= REGULATOR_CURRENT,
 		.owner	 = THIS_MODULE,
 	}, {
-		.name	= "CHARGER TOPOFF",
+		.name	= "CHARGER_TOPOFF",
 		.id	= MAX8997_CHARGER_TOPOFF,
 		.ops	= &max8997_charger_fixedstate_ops,
 		.type	= REGULATOR_CURRENT,
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index 2d38c2493a07..5890265eeacc 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -112,16 +112,11 @@ static const struct voltage_map_desc *ldo_voltage_map[] = {
 	&buck4_voltage_map_desc,	/* BUCK4 */
 };
 
-static inline int max8998_get_ldo(struct regulator_dev *rdev)
-{
-	return rdev_get_id(rdev);
-}
-
 static int max8998_list_voltage(struct regulator_dev *rdev,
 				unsigned int selector)
 {
 	const struct voltage_map_desc *desc;
-	int ldo = max8998_get_ldo(rdev);
+	int ldo = rdev_get_id(rdev);
 	int val;
 
 	if (ldo >= ARRAY_SIZE(ldo_voltage_map))
@@ -141,7 +136,7 @@ static int max8998_list_voltage(struct regulator_dev *rdev,
 static int max8998_get_enable_register(struct regulator_dev *rdev,
 					int *reg, int *shift)
 {
-	int ldo = max8998_get_ldo(rdev);
+	int ldo = rdev_get_id(rdev);
 
 	switch (ldo) {
 	case MAX8998_LDO2 ... MAX8998_LDO5:
@@ -222,7 +217,7 @@ static int max8998_ldo_disable(struct regulator_dev *rdev)
 static int max8998_get_voltage_register(struct regulator_dev *rdev,
 				int *_reg, int *_shift, int *_mask)
 {
-	int ldo = max8998_get_ldo(rdev);
+	int ldo = rdev_get_id(rdev);
 	struct max8998_data *max8998 = rdev_get_drvdata(rdev);
 	int reg, shift = 0, mask = 0xff;
 
@@ -310,7 +305,7 @@ static int max8998_set_voltage_ldo(struct regulator_dev *rdev,
 	struct i2c_client *i2c = max8998->iodev->i2c;
 	int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
 	const struct voltage_map_desc *desc;
-	int ldo = max8998_get_ldo(rdev);
+	int ldo = rdev_get_id(rdev);
 	int reg, shift = 0, mask, ret;
 	int i = 0;
 
@@ -362,7 +357,7 @@ static int max8998_set_voltage_buck(struct regulator_dev *rdev,
 	struct i2c_client *i2c = max8998->iodev->i2c;
 	int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
 	const struct voltage_map_desc *desc;
-	int buck = max8998_get_ldo(rdev);
+	int buck = rdev_get_id(rdev);
 	int reg, shift = 0, mask, ret;
 	int difference = 0, i = 0, j = 0, previous_vol = 0;
 	u8 val = 0;
@@ -829,7 +824,6 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
 		       buck12_voltage_map_desc.step*i
 		       < (pdata->buck2_voltage2 / 1000))
 			i++;
-		printk(KERN_ERR "i2:%d, buck2_idx:%d\n", i, max8998->buck2_idx);
 		max8998->buck2_vol[1] = i;
 		ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE2, i);
 		if (ret)
diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c
index 8e9b90ad88ae..6c0face87ffe 100644
--- a/drivers/regulator/mc13783-regulator.c
+++ b/drivers/regulator/mc13783-regulator.c
@@ -344,6 +344,9 @@ static int __devinit mc13783_regulator_probe(struct platform_device *pdev)
 
 	dev_dbg(&pdev->dev, "%s id %d\n", __func__, pdev->id);
 
+	if (!pdata)
+		return -EINVAL;
+
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv) +
 			pdata->num_regulators * sizeof(priv->regulators[0]),
 			GFP_KERNEL);
diff --git a/drivers/regulator/pcf50633-regulator.c b/drivers/regulator/pcf50633-regulator.c
index 1d1c31056297..6db46c632f13 100644
--- a/drivers/regulator/pcf50633-regulator.c
+++ b/drivers/regulator/pcf50633-regulator.c
@@ -142,6 +142,7 @@ static int pcf50633_regulator_set_voltage(struct regulator_dev *rdev,
 	case PCF50633_REGULATOR_LDO5:
 	case PCF50633_REGULATOR_LDO6:
 	case PCF50633_REGULATOR_HCLDO:
+	case PCF50633_REGULATOR_MEMLDO:
 		volt_bits = ldo_voltage_bits(millivolts);
 		break;
 	default:
@@ -175,6 +176,7 @@ static int pcf50633_regulator_voltage_value(enum pcf50633_regulator_id id,
 	case PCF50633_REGULATOR_LDO5:
 	case PCF50633_REGULATOR_LDO6:
 	case PCF50633_REGULATOR_HCLDO:
+	case PCF50633_REGULATOR_MEMLDO:
 		millivolts = ldo_voltage_value(bits);
 		break;
 	default:
@@ -217,9 +219,6 @@ static int pcf50633_regulator_list_voltage(struct regulator_dev *rdev,
 	case PCF50633_REGULATOR_AUTO:
 		index += 0x2f;
 		break;
-	case PCF50633_REGULATOR_HCLDO:
-		index += 0x01;
-		break;
 	default:
 		break;
 	}
@@ -288,27 +287,27 @@ static struct regulator_ops pcf50633_regulator_ops = {
 
 static struct regulator_desc regulators[] = {
 	[PCF50633_REGULATOR_AUTO] =
-		PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO, 80),
+		PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO, 81),
 	[PCF50633_REGULATOR_DOWN1] =
-		PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 95),
+		PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 96),
 	[PCF50633_REGULATOR_DOWN2] =
-		PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 95),
+		PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 96),
 	[PCF50633_REGULATOR_LDO1] =
-		PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 27),
+		PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 28),
 	[PCF50633_REGULATOR_LDO2] =
-		PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 27),
+		PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 28),
 	[PCF50633_REGULATOR_LDO3] =
-		PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 27),
+		PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 28),
 	[PCF50633_REGULATOR_LDO4] =
-		PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 27),
+		PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 28),
 	[PCF50633_REGULATOR_LDO5] =
-		PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 27),
+		PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 28),
 	[PCF50633_REGULATOR_LDO6] =
-		PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 27),
+		PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 28),
 	[PCF50633_REGULATOR_HCLDO] =
-		PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 26),
+		PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 28),
 	[PCF50633_REGULATOR_MEMLDO] =
-		PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 0),
+		PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 28),
 };
 
 static int __devinit pcf50633_regulator_probe(struct platform_device *pdev)
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
new file mode 100644
index 000000000000..58447db15de1
--- /dev/null
+++ b/drivers/regulator/s5m8767.c
@@ -0,0 +1,790 @@
+/*
+ * s5m8767.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd
+ *              http://www.samsung.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/bug.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/gpio.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/s5m87xx/s5m-core.h>
+#include <linux/mfd/s5m87xx/s5m-pmic.h>
+
+struct s5m8767_info {
+	struct device *dev;
+	struct s5m87xx_dev *iodev;
+	int num_regulators;
+	struct regulator_dev **rdev;
+
+	int ramp_delay;
+	bool buck2_ramp;
+	bool buck3_ramp;
+	bool buck4_ramp;
+
+	bool buck2_gpiodvs;
+	bool buck3_gpiodvs;
+	bool buck4_gpiodvs;
+	u8 buck2_vol[8];
+	u8 buck3_vol[8];
+	u8 buck4_vol[8];
+	int buck_gpios[3];
+	int buck_gpioindex;
+};
+
+struct s5m_voltage_desc {
+	int max;
+	int min;
+	int step;
+};
+
+static const struct s5m_voltage_desc buck_voltage_val1 = {
+	.max = 2225000,
+	.min =  650000,
+	.step =   6250,
+};
+
+static const struct s5m_voltage_desc buck_voltage_val2 = {
+	.max = 1600000,
+	.min =  600000,
+	.step =   6250,
+};
+
+static const struct s5m_voltage_desc buck_voltage_val3 = {
+	.max = 3000000,
+	.min =  750000,
+	.step =  12500,
+};
+
+static const struct s5m_voltage_desc ldo_voltage_val1 = {
+	.max = 3950000,
+	.min =  800000,
+	.step =  50000,
+};
+
+static const struct s5m_voltage_desc ldo_voltage_val2 = {
+	.max = 2375000,
+	.min =  800000,
+	.step =  25000,
+};
+
+static const struct s5m_voltage_desc *reg_voltage_map[] = {
+	[S5M8767_LDO1] = &ldo_voltage_val2,
+	[S5M8767_LDO2] = &ldo_voltage_val2,
+	[S5M8767_LDO3] = &ldo_voltage_val1,
+	[S5M8767_LDO4] = &ldo_voltage_val1,
+	[S5M8767_LDO5] = &ldo_voltage_val1,
+	[S5M8767_LDO6] = &ldo_voltage_val2,
+	[S5M8767_LDO7] = &ldo_voltage_val2,
+	[S5M8767_LDO8] = &ldo_voltage_val2,
+	[S5M8767_LDO9] = &ldo_voltage_val1,
+	[S5M8767_LDO10] = &ldo_voltage_val1,
+	[S5M8767_LDO11] = &ldo_voltage_val1,
+	[S5M8767_LDO12] = &ldo_voltage_val1,
+	[S5M8767_LDO13] = &ldo_voltage_val1,
+	[S5M8767_LDO14] = &ldo_voltage_val1,
+	[S5M8767_LDO15] = &ldo_voltage_val2,
+	[S5M8767_LDO16] = &ldo_voltage_val1,
+	[S5M8767_LDO17] = &ldo_voltage_val1,
+	[S5M8767_LDO18] = &ldo_voltage_val1,
+	[S5M8767_LDO19] = &ldo_voltage_val1,
+	[S5M8767_LDO20] = &ldo_voltage_val1,
+	[S5M8767_LDO21] = &ldo_voltage_val1,
+	[S5M8767_LDO22] = &ldo_voltage_val1,
+	[S5M8767_LDO23] = &ldo_voltage_val1,
+	[S5M8767_LDO24] = &ldo_voltage_val1,
+	[S5M8767_LDO25] = &ldo_voltage_val1,
+	[S5M8767_LDO26] = &ldo_voltage_val1,
+	[S5M8767_LDO27] = &ldo_voltage_val1,
+	[S5M8767_LDO28] = &ldo_voltage_val1,
+	[S5M8767_BUCK1] = &buck_voltage_val1,
+	[S5M8767_BUCK2] = &buck_voltage_val2,
+	[S5M8767_BUCK3] = &buck_voltage_val2,
+	[S5M8767_BUCK4] = &buck_voltage_val2,
+	[S5M8767_BUCK5] = &buck_voltage_val1,
+	[S5M8767_BUCK6] = &buck_voltage_val1,
+	[S5M8767_BUCK7] = NULL,
+	[S5M8767_BUCK8] = NULL,
+	[S5M8767_BUCK9] = &buck_voltage_val3,
+};
+
+static int s5m8767_list_voltage(struct regulator_dev *rdev,
+				unsigned int selector)
+{
+	const struct s5m_voltage_desc *desc;
+	int reg_id = rdev_get_id(rdev);
+	int val;
+
+	if (reg_id >= ARRAY_SIZE(reg_voltage_map) || reg_id < 0)
+		return -EINVAL;
+
+	desc = reg_voltage_map[reg_id];
+	if (desc == NULL)
+		return -EINVAL;
+
+	val = desc->min + desc->step * selector;
+	if (val > desc->max)
+		return -EINVAL;
+
+	return val;
+}
+
+static int s5m8767_get_register(struct regulator_dev *rdev, int *reg)
+{
+	int reg_id = rdev_get_id(rdev);
+
+	switch (reg_id) {
+	case S5M8767_LDO1 ... S5M8767_LDO2:
+		*reg = S5M8767_REG_LDO1CTRL + (reg_id - S5M8767_LDO1);
+		break;
+	case S5M8767_LDO3 ... S5M8767_LDO28:
+		*reg = S5M8767_REG_LDO3CTRL + (reg_id - S5M8767_LDO3);
+		break;
+	case S5M8767_BUCK1:
+		*reg = S5M8767_REG_BUCK1CTRL1;
+		break;
+	case S5M8767_BUCK2 ... S5M8767_BUCK4:
+		*reg = S5M8767_REG_BUCK2CTRL + (reg_id - S5M8767_BUCK2) * 9;
+		break;
+	case S5M8767_BUCK5:
+		*reg = S5M8767_REG_BUCK5CTRL1;
+		break;
+	case S5M8767_BUCK6 ... S5M8767_BUCK9:
+		*reg = S5M8767_REG_BUCK6CTRL1 + (reg_id - S5M8767_BUCK6) * 2;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int s5m8767_reg_is_enabled(struct regulator_dev *rdev)
+{
+	struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
+	int ret, reg;
+	int mask = 0xc0, pattern = 0xc0;
+	u8 val;
+
+	ret = s5m8767_get_register(rdev, &reg);
+	if (ret == -EINVAL)
+		return 1;
+	else if (ret)
+		return ret;
+
+	ret = s5m_reg_read(s5m8767->iodev, reg, &val);
+	if (ret)
+		return ret;
+
+	return (val & mask) == pattern;
+}
+
+static int s5m8767_reg_enable(struct regulator_dev *rdev)
+{
+	struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
+	int ret, reg;
+	int mask = 0xc0, pattern = 0xc0;
+
+	ret = s5m8767_get_register(rdev, &reg);
+	if (ret)
+		return ret;
+
+	return s5m_reg_update(s5m8767->iodev, reg, pattern, mask);
+}
+
+static int s5m8767_reg_disable(struct regulator_dev *rdev)
+{
+	struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
+	int ret, reg;
+	int  mask = 0xc0, pattern = 0xc0;
+
+	ret = s5m8767_get_register(rdev, &reg);
+	if (ret)
+		return ret;
+
+	return s5m_reg_update(s5m8767->iodev, reg, ~pattern, mask);
+}
+
+static int s5m8767_get_voltage_register(struct regulator_dev *rdev, int *_reg)
+{
+	struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
+	int reg_id = rdev_get_id(rdev);
+	int reg;
+
+	switch (reg_id) {
+	case S5M8767_LDO1 ... S5M8767_LDO2:
+		reg = S5M8767_REG_LDO1CTRL + (reg_id - S5M8767_LDO1);
+		break;
+	case S5M8767_LDO3 ... S5M8767_LDO28:
+		reg = S5M8767_REG_LDO3CTRL + (reg_id - S5M8767_LDO3);
+		break;
+	case S5M8767_BUCK1:
+		reg = S5M8767_REG_BUCK1CTRL2;
+		break;
+	case S5M8767_BUCK2:
+		reg = S5M8767_REG_BUCK2DVS1;
+		if (s5m8767->buck2_gpiodvs)
+			reg += s5m8767->buck_gpioindex;
+		break;
+	case S5M8767_BUCK3:
+		reg = S5M8767_REG_BUCK3DVS1;
+		if (s5m8767->buck3_gpiodvs)
+			reg += s5m8767->buck_gpioindex;
+		break;
+	case S5M8767_BUCK4:
+		reg = S5M8767_REG_BUCK4DVS1;
+		if (s5m8767->buck4_gpiodvs)
+			reg += s5m8767->buck_gpioindex;
+		break;
+	case S5M8767_BUCK5:
+		reg = S5M8767_REG_BUCK5CTRL2;
+		break;
+	case S5M8767_BUCK6 ... S5M8767_BUCK9:
+		reg = S5M8767_REG_BUCK6CTRL2 + (reg_id - S5M8767_BUCK6) * 2;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	*_reg = reg;
+
+	return 0;
+}
+
+static int s5m8767_get_voltage_sel(struct regulator_dev *rdev)
+{
+	struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
+	int reg, mask, ret;
+	int reg_id = rdev_get_id(rdev);
+	u8 val;
+
+	ret = s5m8767_get_voltage_register(rdev, &reg);
+	if (ret)
+		return ret;
+
+	mask = (reg_id < S5M8767_BUCK1) ? 0x3f : 0xff;
+
+	ret = s5m_reg_read(s5m8767->iodev, reg, &val);
+	if (ret)
+		return ret;
+
+	val &= mask;
+
+	return val;
+}
+
+static int s5m8767_convert_voltage_to_sel(
+		const struct s5m_voltage_desc *desc,
+		int min_vol, int max_vol)
+{
+	int selector = 0;
+
+	if (desc == NULL)
+		return -EINVAL;
+
+	if (max_vol < desc->min || min_vol > desc->max)
+		return -EINVAL;
+
+	selector = (min_vol - desc->min) / desc->step;
+
+	if (desc->min + desc->step * selector > max_vol)
+		return -EINVAL;
+
+	return selector;
+}
+
+static int s5m8767_set_voltage(struct regulator_dev *rdev,
+				int min_uV, int max_uV, unsigned *selector)
+{
+	struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
+	const struct s5m_voltage_desc *desc;
+	int reg_id = rdev_get_id(rdev);
+	int reg, mask, ret;
+	int i;
+	u8 val;
+
+	switch (reg_id) {
+	case S5M8767_LDO1 ... S5M8767_LDO28:
+		mask = 0x3f;
+		break;
+	case S5M8767_BUCK1 ... S5M8767_BUCK6:
+		mask = 0xff;
+		break;
+	case S5M8767_BUCK7 ... S5M8767_BUCK8:
+		return -EINVAL;
+	case S5M8767_BUCK9:
+		mask = 0xff;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	desc = reg_voltage_map[reg_id];
+
+	i = s5m8767_convert_voltage_to_sel(desc, min_uV, max_uV);
+	if (i < 0)
+		return i;
+
+	ret = s5m8767_get_voltage_register(rdev, &reg);
+	if (ret)
+		return ret;
+
+	s5m_reg_read(s5m8767->iodev, reg, &val);
+	val = val & mask;
+
+	ret = s5m_reg_write(s5m8767->iodev, reg, val);
+	*selector = i;
+
+	return ret;
+}
+
+static inline void s5m8767_set_high(struct s5m8767_info *s5m8767)
+{
+	int temp_index = s5m8767->buck_gpioindex;
+
+	gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
+	gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
+	gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
+}
+
+static inline void s5m8767_set_low(struct s5m8767_info *s5m8767)
+{
+	int temp_index = s5m8767->buck_gpioindex;
+
+	gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
+	gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
+	gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
+}
+
+static int s5m8767_set_voltage_buck(struct regulator_dev *rdev,
+				    int min_uV, int max_uV, unsigned *selector)
+{
+	struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
+	int reg_id = rdev_get_id(rdev);
+	const struct s5m_voltage_desc *desc;
+	int new_val, old_val, i = 0;
+
+	if (reg_id < S5M8767_BUCK1 || reg_id > S5M8767_BUCK6)
+		return -EINVAL;
+
+	switch (reg_id) {
+	case S5M8767_BUCK1:
+		return s5m8767_set_voltage(rdev, min_uV, max_uV, selector);
+	case S5M8767_BUCK2 ... S5M8767_BUCK4:
+		break;
+	case S5M8767_BUCK5 ... S5M8767_BUCK6:
+		return s5m8767_set_voltage(rdev, min_uV, max_uV, selector);
+	case S5M8767_BUCK9:
+		return s5m8767_set_voltage(rdev, min_uV, max_uV, selector);
+	}
+
+	desc = reg_voltage_map[reg_id];
+	new_val = s5m8767_convert_voltage_to_sel(desc, min_uV, max_uV);
+	if (new_val < 0)
+		return new_val;
+
+	switch (reg_id) {
+	case S5M8767_BUCK2:
+		if (s5m8767->buck2_gpiodvs) {
+			while (s5m8767->buck2_vol[i] != new_val)
+				i++;
+		} else
+			return s5m8767_set_voltage(rdev, min_uV,
+						   max_uV, selector);
+		break;
+	case S5M8767_BUCK3:
+		if (s5m8767->buck3_gpiodvs) {
+			while (s5m8767->buck3_vol[i] != new_val)
+				i++;
+		} else
+			return s5m8767_set_voltage(rdev, min_uV,
+						   max_uV, selector);
+		break;
+	case S5M8767_BUCK4:
+		if (s5m8767->buck3_gpiodvs) {
+			while (s5m8767->buck4_vol[i] != new_val)
+				i++;
+		} else
+			return s5m8767_set_voltage(rdev, min_uV,
+						   max_uV, selector);
+		break;
+	}
+
+	old_val = s5m8767->buck_gpioindex;
+	s5m8767->buck_gpioindex = i;
+
+	if (i > old_val)
+		s5m8767_set_high(s5m8767);
+	else
+		s5m8767_set_low(s5m8767);
+
+	*selector = new_val;
+	return 0;
+}
+
+static int s5m8767_set_voltage_time_sel(struct regulator_dev *rdev,
+					     unsigned int old_sel,
+					     unsigned int new_sel)
+{
+	struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
+	const struct s5m_voltage_desc *desc;
+	int reg_id = rdev_get_id(rdev);
+
+	desc = reg_voltage_map[reg_id];
+
+	if (old_sel < new_sel)
+		return DIV_ROUND_UP(desc->step * (new_sel - old_sel),
+					s5m8767->ramp_delay * 1000);
+	return 0;
+}
+
+static struct regulator_ops s5m8767_ldo_ops = {
+	.list_voltage		= s5m8767_list_voltage,
+	.is_enabled		= s5m8767_reg_is_enabled,
+	.enable			= s5m8767_reg_enable,
+	.disable		= s5m8767_reg_disable,
+	.get_voltage_sel	= s5m8767_get_voltage_sel,
+	.set_voltage		= s5m8767_set_voltage,
+	.set_voltage_time_sel	= s5m8767_set_voltage_time_sel,
+};
+
+static struct regulator_ops s5m8767_buck_ops = {
+	.list_voltage		= s5m8767_list_voltage,
+	.is_enabled		= s5m8767_reg_is_enabled,
+	.enable			= s5m8767_reg_enable,
+	.disable		= s5m8767_reg_disable,
+	.get_voltage_sel	= s5m8767_get_voltage_sel,
+	.set_voltage		= s5m8767_set_voltage_buck,
+	.set_voltage_time_sel	= s5m8767_set_voltage_time_sel,
+};
+
+#define regulator_desc_ldo(num)		{	\
+	.name		= "LDO"#num,		\
+	.id		= S5M8767_LDO##num,	\
+	.ops		= &s5m8767_ldo_ops,	\
+	.type		= REGULATOR_VOLTAGE,	\
+	.owner		= THIS_MODULE,		\
+}
+#define regulator_desc_buck(num)	{	\
+	.name		= "BUCK"#num,		\
+	.id		= S5M8767_BUCK##num,	\
+	.ops		= &s5m8767_buck_ops,	\
+	.type		= REGULATOR_VOLTAGE,	\
+	.owner		= THIS_MODULE,		\
+}
+
+static struct regulator_desc regulators[] = {
+	regulator_desc_ldo(1),
+	regulator_desc_ldo(2),
+	regulator_desc_ldo(3),
+	regulator_desc_ldo(4),
+	regulator_desc_ldo(5),
+	regulator_desc_ldo(6),
+	regulator_desc_ldo(7),
+	regulator_desc_ldo(8),
+	regulator_desc_ldo(9),
+	regulator_desc_ldo(10),
+	regulator_desc_ldo(11),
+	regulator_desc_ldo(12),
+	regulator_desc_ldo(13),
+	regulator_desc_ldo(14),
+	regulator_desc_ldo(15),
+	regulator_desc_ldo(16),
+	regulator_desc_ldo(17),
+	regulator_desc_ldo(18),
+	regulator_desc_ldo(19),
+	regulator_desc_ldo(20),
+	regulator_desc_ldo(21),
+	regulator_desc_ldo(22),
+	regulator_desc_ldo(23),
+	regulator_desc_ldo(24),
+	regulator_desc_ldo(25),
+	regulator_desc_ldo(26),
+	regulator_desc_ldo(27),
+	regulator_desc_ldo(28),
+	regulator_desc_buck(1),
+	regulator_desc_buck(2),
+	regulator_desc_buck(3),
+	regulator_desc_buck(4),
+	regulator_desc_buck(5),
+	regulator_desc_buck(6),
+	regulator_desc_buck(7),
+	regulator_desc_buck(8),
+	regulator_desc_buck(9),
+};
+
+static __devinit int s5m8767_pmic_probe(struct platform_device *pdev)
+{
+	struct s5m87xx_dev *iodev = dev_get_drvdata(pdev->dev.parent);
+	struct s5m_platform_data *pdata = dev_get_platdata(iodev->dev);
+	struct regulator_dev **rdev;
+	struct s5m8767_info *s5m8767;
+	int i, ret, size;
+
+	if (!pdata) {
+		dev_err(pdev->dev.parent, "Platform data not supplied\n");
+		return -ENODEV;
+	}
+
+	if (pdata->buck2_gpiodvs) {
+		if (pdata->buck3_gpiodvs || pdata->buck4_gpiodvs) {
+			dev_err(&pdev->dev, "S5M8767 GPIO DVS NOT VALID\n");
+			return -EINVAL;
+		}
+	}
+
+	if (pdata->buck3_gpiodvs) {
+		if (pdata->buck2_gpiodvs || pdata->buck4_gpiodvs) {
+			dev_err(&pdev->dev, "S5M8767 GPIO DVS NOT VALID\n");
+			return -EINVAL;
+		}
+	}
+
+	if (pdata->buck4_gpiodvs) {
+		if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs) {
+			dev_err(&pdev->dev, "S5M8767 GPIO DVS NOT VALID\n");
+			return -EINVAL;
+		}
+	}
+
+	s5m8767 = devm_kzalloc(&pdev->dev, sizeof(struct s5m8767_info),
+				GFP_KERNEL);
+	if (!s5m8767)
+		return -ENOMEM;
+
+	size = sizeof(struct regulator_dev *) * (S5M8767_REG_MAX - 2);
+	s5m8767->rdev = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
+	if (!s5m8767->rdev)
+		return -ENOMEM;
+
+	rdev = s5m8767->rdev;
+	s5m8767->dev = &pdev->dev;
+	s5m8767->iodev = iodev;
+	s5m8767->num_regulators = S5M8767_REG_MAX - 2;
+	platform_set_drvdata(pdev, s5m8767);
+
+	s5m8767->buck_gpioindex = pdata->buck_default_idx;
+	s5m8767->buck2_gpiodvs = pdata->buck2_gpiodvs;
+	s5m8767->buck3_gpiodvs = pdata->buck3_gpiodvs;
+	s5m8767->buck4_gpiodvs = pdata->buck4_gpiodvs;
+	s5m8767->buck_gpios[0] = pdata->buck_gpios[0];
+	s5m8767->buck_gpios[1] = pdata->buck_gpios[1];
+	s5m8767->buck_gpios[2] = pdata->buck_gpios[2];
+	s5m8767->ramp_delay = pdata->buck_ramp_delay;
+	s5m8767->buck2_ramp = pdata->buck2_ramp_enable;
+	s5m8767->buck3_ramp = pdata->buck3_ramp_enable;
+	s5m8767->buck4_ramp = pdata->buck4_ramp_enable;
+
+	for (i = 0; i < 8; i++) {
+		if (s5m8767->buck2_gpiodvs) {
+			s5m8767->buck2_vol[i] =
+				s5m8767_convert_voltage_to_sel(
+						&buck_voltage_val2,
+						pdata->buck2_voltage[i],
+						pdata->buck2_voltage[i] +
+						buck_voltage_val2.step);
+		}
+
+		if (s5m8767->buck3_gpiodvs) {
+			s5m8767->buck3_vol[i] =
+				s5m8767_convert_voltage_to_sel(
+						&buck_voltage_val2,
+						pdata->buck3_voltage[i],
+						pdata->buck3_voltage[i] +
+						buck_voltage_val2.step);
+		}
+
+		if (s5m8767->buck4_gpiodvs) {
+			s5m8767->buck4_vol[i] =
+				s5m8767_convert_voltage_to_sel(
+						&buck_voltage_val2,
+						pdata->buck4_voltage[i],
+						pdata->buck4_voltage[i] +
+						buck_voltage_val2.step);
+		}
+	}
+
+	if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs ||
+		pdata->buck4_gpiodvs) {
+		if (gpio_is_valid(pdata->buck_gpios[0]) &&
+			gpio_is_valid(pdata->buck_gpios[1]) &&
+			gpio_is_valid(pdata->buck_gpios[2])) {
+			ret = gpio_request(pdata->buck_gpios[0],
+						"S5M8767 SET1");
+			if (ret == -EBUSY)
+				dev_warn(&pdev->dev, "Duplicated gpio request for SET1\n");
+
+			ret = gpio_request(pdata->buck_gpios[1],
+					   "S5M8767 SET2");
+			if (ret == -EBUSY)
+				dev_warn(&pdev->dev, "Duplicated gpio request for SET2\n");
+
+			ret = gpio_request(pdata->buck_gpios[2],
+					   "S5M8767 SET3");
+			if (ret == -EBUSY)
+				dev_warn(&pdev->dev, "Duplicated gpio request for SET3\n");
+			/* SET1 GPIO */
+			gpio_direction_output(pdata->buck_gpios[0],
+					(s5m8767->buck_gpioindex >> 2) & 0x1);
+			/* SET2 GPIO */
+			gpio_direction_output(pdata->buck_gpios[1],
+					(s5m8767->buck_gpioindex >> 1) & 0x1);
+			/* SET3 GPIO */
+			gpio_direction_output(pdata->buck_gpios[2],
+					(s5m8767->buck_gpioindex >> 0) & 0x1);
+			ret = 0;
+		} else {
+			dev_err(&pdev->dev, "GPIO NOT VALID\n");
+			ret = -EINVAL;
+			return ret;
+		}
+	}
+
+	s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK2CTRL,
+			(pdata->buck2_gpiodvs) ? (1 << 1) : (0 << 1), 1 << 1);
+	s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK3CTRL,
+			(pdata->buck3_gpiodvs) ? (1 << 1) : (0 << 1), 1 << 1);
+	s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK4CTRL,
+			(pdata->buck4_gpiodvs) ? (1 << 1) : (0 << 1), 1 << 1);
+
+	/* Initialize GPIO DVS registers */
+	for (i = 0; i < 8; i++) {
+		if (s5m8767->buck2_gpiodvs) {
+			s5m_reg_write(s5m8767->iodev, S5M8767_REG_BUCK2DVS1 + i,
+					   s5m8767->buck2_vol[i]);
+		}
+
+		if (s5m8767->buck3_gpiodvs) {
+			s5m_reg_write(s5m8767->iodev, S5M8767_REG_BUCK3DVS1 + i,
+					   s5m8767->buck3_vol[i]);
+		}
+
+		if (s5m8767->buck4_gpiodvs) {
+			s5m_reg_write(s5m8767->iodev, S5M8767_REG_BUCK4DVS1 + i,
+					   s5m8767->buck4_vol[i]);
+		}
+	}
+	s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK2CTRL, 0x78, 0xff);
+	s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK3CTRL, 0x58, 0xff);
+	s5m_reg_update(s5m8767->iodev, S5M8767_REG_BUCK4CTRL, 0x78, 0xff);
+
+	if (s5m8767->buck2_ramp)
+		s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, 0x08, 0x08);
+
+	if (s5m8767->buck3_ramp)
+		s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, 0x04, 0x04);
+
+	if (s5m8767->buck4_ramp)
+		s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP, 0x02, 0x02);
+
+	if (s5m8767->buck2_ramp || s5m8767->buck3_ramp
+		|| s5m8767->buck4_ramp) {
+		switch (s5m8767->ramp_delay) {
+		case 15:
+			s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP,
+					0xc0, 0xf0);
+			break;
+		case 25:
+			s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP,
+					0xd0, 0xf0);
+			break;
+		case 50:
+			s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP,
+					0xe0, 0xf0);
+			break;
+		case 100:
+			s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP,
+					0xf0, 0xf0);
+			break;
+		default:
+			s5m_reg_update(s5m8767->iodev, S5M8767_REG_DVSRAMP,
+					0x90, 0xf0);
+		}
+	}
+
+	for (i = 0; i < pdata->num_regulators; i++) {
+		const struct s5m_voltage_desc *desc;
+		int id = pdata->regulators[i].id;
+
+		desc = reg_voltage_map[id];
+		if (desc)
+			regulators[id].n_voltages =
+				(desc->max - desc->min) / desc->step + 1;
+
+		rdev[i] = regulator_register(&regulators[id], s5m8767->dev,
+				pdata->regulators[i].initdata, s5m8767, NULL);
+		if (IS_ERR(rdev[i])) {
+			ret = PTR_ERR(rdev[i]);
+			dev_err(s5m8767->dev, "regulator init failed for %d\n",
+					id);
+			rdev[i] = NULL;
+			goto err;
+		}
+	}
+
+	return 0;
+err:
+	for (i = 0; i < s5m8767->num_regulators; i++)
+		if (rdev[i])
+			regulator_unregister(rdev[i]);
+
+	return ret;
+}
+
+static int __devexit s5m8767_pmic_remove(struct platform_device *pdev)
+{
+	struct s5m8767_info *s5m8767 = platform_get_drvdata(pdev);
+	struct regulator_dev **rdev = s5m8767->rdev;
+	int i;
+
+	for (i = 0; i < s5m8767->num_regulators; i++)
+		if (rdev[i])
+			regulator_unregister(rdev[i]);
+
+	return 0;
+}
+
+static const struct platform_device_id s5m8767_pmic_id[] = {
+	{ "s5m8767-pmic", 0},
+	{ },
+};
+MODULE_DEVICE_TABLE(platform, s5m8767_pmic_id);
+
+static struct platform_driver s5m8767_pmic_driver = {
+	.driver = {
+		.name = "s5m8767-pmic",
+		.owner = THIS_MODULE,
+	},
+	.probe = s5m8767_pmic_probe,
+	.remove = __devexit_p(s5m8767_pmic_remove),
+	.id_table = s5m8767_pmic_id,
+};
+
+static int __init s5m8767_pmic_init(void)
+{
+	return platform_driver_register(&s5m8767_pmic_driver);
+}
+subsys_initcall(s5m8767_pmic_init);
+
+static void __exit s5m8767_pmic_exit(void)
+{
+	platform_driver_unregister(&s5m8767_pmic_driver);
+}
+module_exit(s5m8767_pmic_exit);
+
+/* Module information */
+MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
+MODULE_DESCRIPTION("SAMSUNG S5M8767 Regulator Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/tps62360-regulator.c b/drivers/regulator/tps62360-regulator.c
new file mode 100644
index 000000000000..e2ec73068ee2
--- /dev/null
+++ b/drivers/regulator/tps62360-regulator.c
@@ -0,0 +1,472 @@
+/*
+ * tps62360.c -- TI tps62360
+ *
+ * Driver for processor core supply tps62360 and tps62361B
+ *
+ * Copyright (c) 2012, NVIDIA Corporation.
+ *
+ * Author: Laxman Dewangan <ldewangan@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
+ * whether express or implied; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307, USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/tps62360.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/regmap.h>
+
+/* Register definitions */
+#define REG_VSET0		0
+#define REG_VSET1		1
+#define REG_VSET2		2
+#define REG_VSET3		3
+#define REG_CONTROL		4
+#define REG_TEMP		5
+#define REG_RAMPCTRL		6
+#define REG_CHIPID		8
+
+enum chips {TPS62360, TPS62361};
+
+#define TPS62360_BASE_VOLTAGE	770
+#define TPS62360_N_VOLTAGES	64
+
+#define TPS62361_BASE_VOLTAGE	500
+#define TPS62361_N_VOLTAGES	128
+
+/* tps 62360 chip information */
+struct tps62360_chip {
+	const char *name;
+	struct device *dev;
+	struct regulator_desc desc;
+	struct i2c_client *client;
+	struct regulator_dev *rdev;
+	struct regmap *regmap;
+	int chip_id;
+	int vsel0_gpio;
+	int vsel1_gpio;
+	int voltage_base;
+	u8 voltage_reg_mask;
+	bool en_internal_pulldn;
+	bool en_force_pwm;
+	bool en_discharge;
+	bool valid_gpios;
+	int lru_index[4];
+	int curr_vset_vsel[4];
+	int curr_vset_id;
+};
+
+/*
+ * find_voltage_set_register: Find new voltage configuration register
+ * (VSET) id.
+ * The finding of the new VSET register will be based on the LRU mechanism.
+ * Each VSET register will have different voltage configured . This
+ * Function will look if any of the VSET register have requested voltage set
+ * or not.
+ *     - If it is already there then it will make that register as most
+ *       recently used and return as found so that caller need not to set
+ *       the VSET register but need to set the proper gpios to select this
+ *       VSET register.
+ *     - If requested voltage is not found then it will use the least
+ *       recently mechanism to get new VSET register for new configuration
+ *       and will return not_found so that caller need to set new VSET
+ *       register and then gpios (both).
+ */
+static bool find_voltage_set_register(struct tps62360_chip *tps,
+		int req_vsel, int *vset_reg_id)
+{
+	int i;
+	bool found = false;
+	int new_vset_reg = tps->lru_index[3];
+	int found_index = 3;
+	for (i = 0; i < 4; ++i) {
+		if (tps->curr_vset_vsel[tps->lru_index[i]] == req_vsel) {
+			new_vset_reg = tps->lru_index[i];
+			found_index = i;
+			found = true;
+			goto update_lru_index;
+		}
+	}
+
+update_lru_index:
+	for (i = found_index; i > 0; i--)
+		tps->lru_index[i] = tps->lru_index[i - 1];
+
+	tps->lru_index[0] = new_vset_reg;
+	*vset_reg_id = new_vset_reg;
+	return found;
+}
+
+static int tps62360_dcdc_get_voltage(struct regulator_dev *dev)
+{
+	struct tps62360_chip *tps = rdev_get_drvdata(dev);
+	int vsel;
+	unsigned int data;
+	int ret;
+
+	ret = regmap_read(tps->regmap, REG_VSET0 + tps->curr_vset_id, &data);
+	if (ret < 0) {
+		dev_err(tps->dev, "%s: Error in reading register %d\n",
+			__func__, REG_VSET0 + tps->curr_vset_id);
+		return ret;
+	}
+	vsel = (int)data & tps->voltage_reg_mask;
+	return (tps->voltage_base + vsel * 10) * 1000;
+}
+
+static int tps62360_dcdc_set_voltage(struct regulator_dev *dev,
+	     int min_uV, int max_uV, unsigned *selector)
+{
+	struct tps62360_chip *tps = rdev_get_drvdata(dev);
+	int vsel;
+	int ret;
+	bool found = false;
+	int new_vset_id = tps->curr_vset_id;
+
+	if (max_uV < min_uV)
+		return -EINVAL;
+
+	if (min_uV >
+		((tps->voltage_base + (tps->desc.n_voltages - 1) * 10) * 1000))
+		return -EINVAL;
+
+	if (max_uV < tps->voltage_base * 1000)
+		return -EINVAL;
+
+	vsel = DIV_ROUND_UP(min_uV - (tps->voltage_base * 1000), 10000);
+	if (selector)
+		*selector = (vsel & tps->voltage_reg_mask);
+
+	/*
+	 * If gpios are available to select the VSET register then least
+	 * recently used register for new configuration.
+	 */
+	if (tps->valid_gpios)
+		found = find_voltage_set_register(tps, vsel, &new_vset_id);
+
+	if (!found) {
+		ret = regmap_update_bits(tps->regmap, REG_VSET0 + new_vset_id,
+				tps->voltage_reg_mask, vsel);
+		if (ret < 0) {
+			dev_err(tps->dev, "%s: Error in updating register %d\n",
+				 __func__, REG_VSET0 + new_vset_id);
+			return ret;
+		}
+		tps->curr_vset_id = new_vset_id;
+		tps->curr_vset_vsel[new_vset_id] = vsel;
+	}
+
+	/* Select proper VSET register vio gpios */
+	if (tps->valid_gpios) {
+		gpio_set_value_cansleep(tps->vsel0_gpio,
+					new_vset_id & 0x1);
+		gpio_set_value_cansleep(tps->vsel1_gpio,
+					(new_vset_id >> 1) & 0x1);
+	}
+	return 0;
+}
+
+static int tps62360_dcdc_list_voltage(struct regulator_dev *dev,
+					unsigned selector)
+{
+	struct tps62360_chip *tps = rdev_get_drvdata(dev);
+
+	if (selector >= tps->desc.n_voltages)
+		return -EINVAL;
+	return (tps->voltage_base + selector * 10) * 1000;
+}
+
+static struct regulator_ops tps62360_dcdc_ops = {
+	.get_voltage = tps62360_dcdc_get_voltage,
+	.set_voltage = tps62360_dcdc_set_voltage,
+	.list_voltage = tps62360_dcdc_list_voltage,
+};
+
+static int tps62360_init_force_pwm(struct tps62360_chip *tps,
+	struct tps62360_regulator_platform_data *pdata,
+	int vset_id)
+{
+	unsigned int data;
+	int ret;
+	ret = regmap_read(tps->regmap, REG_VSET0 + vset_id, &data);
+	if (ret < 0) {
+		dev_err(tps->dev, "%s() fails in writing reg %d\n",
+			__func__, REG_VSET0 + vset_id);
+		return ret;
+	}
+	tps->curr_vset_vsel[vset_id] = data & tps->voltage_reg_mask;
+	if (pdata->en_force_pwm)
+		data |= BIT(7);
+	else
+		data &= ~BIT(7);
+	ret = regmap_write(tps->regmap, REG_VSET0 + vset_id, data);
+	if (ret < 0)
+		dev_err(tps->dev, "%s() fails in writing reg %d\n",
+				__func__, REG_VSET0 + vset_id);
+	return ret;
+}
+
+static int tps62360_init_dcdc(struct tps62360_chip *tps,
+		struct tps62360_regulator_platform_data *pdata)
+{
+	int ret;
+	int i;
+
+	/* Initailize internal pull up/down control */
+	if (tps->en_internal_pulldn)
+		ret = regmap_write(tps->regmap, REG_CONTROL, 0xE0);
+	else
+		ret = regmap_write(tps->regmap, REG_CONTROL, 0x0);
+	if (ret < 0) {
+		dev_err(tps->dev, "%s() fails in writing reg %d\n",
+			__func__, REG_CONTROL);
+		return ret;
+	}
+
+	/* Initailize force PWM mode */
+	if (tps->valid_gpios) {
+		for (i = 0; i < 4; ++i) {
+			ret = tps62360_init_force_pwm(tps, pdata, i);
+			if (ret < 0)
+				return ret;
+		}
+	} else {
+		ret = tps62360_init_force_pwm(tps, pdata, tps->curr_vset_id);
+		if (ret < 0)
+			return ret;
+	}
+
+	/* Reset output discharge path to reduce power consumption */
+	ret = regmap_update_bits(tps->regmap, REG_RAMPCTRL, BIT(2), 0);
+	if (ret < 0)
+		dev_err(tps->dev, "%s() fails in updating reg %d\n",
+			__func__, REG_RAMPCTRL);
+	return ret;
+}
+
+static const struct regmap_config tps62360_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+};
+
+static int __devinit tps62360_probe(struct i2c_client *client,
+				     const struct i2c_device_id *id)
+{
+	struct tps62360_regulator_platform_data *pdata;
+	struct regulator_dev *rdev;
+	struct tps62360_chip *tps;
+	int ret;
+	int i;
+
+	pdata = client->dev.platform_data;
+	if (!pdata) {
+		dev_err(&client->dev, "%s() Err: Platform data not found\n",
+						__func__);
+		return -EIO;
+	}
+
+	tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
+	if (!tps) {
+		dev_err(&client->dev, "%s() Err: Memory allocation fails\n",
+						__func__);
+		return -ENOMEM;
+	}
+
+	tps->en_force_pwm = pdata->en_force_pwm;
+	tps->en_discharge = pdata->en_discharge;
+	tps->en_internal_pulldn = pdata->en_internal_pulldn;
+	tps->vsel0_gpio = pdata->vsel0_gpio;
+	tps->vsel1_gpio = pdata->vsel1_gpio;
+	tps->client = client;
+	tps->dev = &client->dev;
+	tps->name = id->name;
+	tps->voltage_base = (id->driver_data == TPS62360) ?
+				TPS62360_BASE_VOLTAGE : TPS62361_BASE_VOLTAGE;
+	tps->voltage_reg_mask = (id->driver_data == TPS62360) ? 0x3F : 0x7F;
+
+	tps->desc.name = id->name;
+	tps->desc.id = 0;
+	tps->desc.n_voltages = (id->driver_data == TPS62360) ?
+				TPS62360_N_VOLTAGES : TPS62361_N_VOLTAGES;
+	tps->desc.ops = &tps62360_dcdc_ops;
+	tps->desc.type = REGULATOR_VOLTAGE;
+	tps->desc.owner = THIS_MODULE;
+	tps->regmap = regmap_init_i2c(client, &tps62360_regmap_config);
+	if (IS_ERR(tps->regmap)) {
+		ret = PTR_ERR(tps->regmap);
+		dev_err(&client->dev, "%s() Err: Failed to allocate register"
+			"map: %d\n", __func__, ret);
+		return ret;
+	}
+	i2c_set_clientdata(client, tps);
+
+	tps->curr_vset_id = (pdata->vsel1_def_state & 1) * 2 +
+				(pdata->vsel0_def_state & 1);
+	tps->lru_index[0] = tps->curr_vset_id;
+	tps->valid_gpios = false;
+
+	if (gpio_is_valid(tps->vsel0_gpio) && gpio_is_valid(tps->vsel1_gpio)) {
+		ret = gpio_request(tps->vsel0_gpio, "tps62360-vsel0");
+		if (ret) {
+			dev_err(&client->dev,
+				"Err: Could not obtain vsel0 GPIO %d: %d\n",
+						tps->vsel0_gpio, ret);
+			goto err_gpio0;
+		}
+		ret = gpio_direction_output(tps->vsel0_gpio,
+					pdata->vsel0_def_state);
+		if (ret) {
+			dev_err(&client->dev, "Err: Could not set direction of"
+				"vsel0 GPIO %d: %d\n", tps->vsel0_gpio, ret);
+			gpio_free(tps->vsel0_gpio);
+			goto err_gpio0;
+		}
+
+		ret = gpio_request(tps->vsel1_gpio, "tps62360-vsel1");
+		if (ret) {
+			dev_err(&client->dev,
+				"Err: Could not obtain vsel1 GPIO %d: %d\n",
+						tps->vsel1_gpio, ret);
+			goto err_gpio1;
+		}
+		ret = gpio_direction_output(tps->vsel1_gpio,
+					pdata->vsel1_def_state);
+		if (ret) {
+			dev_err(&client->dev, "Err: Could not set direction of"
+				"vsel1 GPIO %d: %d\n", tps->vsel1_gpio, ret);
+			gpio_free(tps->vsel1_gpio);
+			goto err_gpio1;
+		}
+		tps->valid_gpios = true;
+
+		/*
+		 * Initialize the lru index with vset_reg id
+		 * The index 0 will be most recently used and
+		 * set with the tps->curr_vset_id */
+		for (i = 0; i < 4; ++i)
+			tps->lru_index[i] = i;
+		tps->lru_index[0] = tps->curr_vset_id;
+		tps->lru_index[tps->curr_vset_id] = 0;
+	}
+
+	ret = tps62360_init_dcdc(tps, pdata);
+	if (ret < 0) {
+		dev_err(tps->dev, "%s() Err: Init fails with = %d\n",
+				__func__, ret);
+		goto err_init;
+	}
+
+	/* Register the regulators */
+	rdev = regulator_register(&tps->desc, &client->dev,
+				&pdata->reg_init_data, tps, NULL);
+	if (IS_ERR(rdev)) {
+		dev_err(tps->dev, "%s() Err: Failed to register %s\n",
+				__func__, id->name);
+		ret = PTR_ERR(rdev);
+		goto err_init;
+	}
+
+	tps->rdev = rdev;
+	return 0;
+
+err_init:
+	if (gpio_is_valid(tps->vsel1_gpio))
+		gpio_free(tps->vsel1_gpio);
+err_gpio1:
+	if (gpio_is_valid(tps->vsel0_gpio))
+		gpio_free(tps->vsel0_gpio);
+err_gpio0:
+	regmap_exit(tps->regmap);
+	return ret;
+}
+
+/**
+ * tps62360_remove - tps62360 driver i2c remove handler
+ * @client: i2c driver client device structure
+ *
+ * Unregister TPS driver as an i2c client device driver
+ */
+static int __devexit tps62360_remove(struct i2c_client *client)
+{
+	struct tps62360_chip *tps = i2c_get_clientdata(client);
+
+	if (gpio_is_valid(tps->vsel1_gpio))
+		gpio_free(tps->vsel1_gpio);
+
+	if (gpio_is_valid(tps->vsel0_gpio))
+		gpio_free(tps->vsel0_gpio);
+
+	regulator_unregister(tps->rdev);
+	regmap_exit(tps->regmap);
+	return 0;
+}
+
+static void tps62360_shutdown(struct i2c_client *client)
+{
+	struct tps62360_chip *tps = i2c_get_clientdata(client);
+	int st;
+
+	if (!tps->en_discharge)
+		return;
+
+	/* Configure the output discharge path */
+	st = regmap_update_bits(tps->regmap, REG_RAMPCTRL, BIT(2), BIT(2));
+	if (st < 0)
+		dev_err(tps->dev, "%s() fails in updating reg %d\n",
+			__func__, REG_RAMPCTRL);
+}
+
+static const struct i2c_device_id tps62360_id[] = {
+	{.name = "tps62360", .driver_data = TPS62360},
+	{.name = "tps62361", .driver_data = TPS62361},
+	{},
+};
+
+MODULE_DEVICE_TABLE(i2c, tps62360_id);
+
+static struct i2c_driver tps62360_i2c_driver = {
+	.driver = {
+		.name = "tps62360",
+		.owner = THIS_MODULE,
+	},
+	.probe = tps62360_probe,
+	.remove = __devexit_p(tps62360_remove),
+	.shutdown = tps62360_shutdown,
+	.id_table = tps62360_id,
+};
+
+static int __init tps62360_init(void)
+{
+	return i2c_add_driver(&tps62360_i2c_driver);
+}
+subsys_initcall(tps62360_init);
+
+static void __exit tps62360_cleanup(void)
+{
+	i2c_del_driver(&tps62360_i2c_driver);
+}
+module_exit(tps62360_cleanup);
+
+MODULE_AUTHOR("Laxman Dewangan <ldewangan@nvidia.com>");
+MODULE_DESCRIPTION("TPS62360 voltage regulator driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 18d61a0529a9..43e4902d7af8 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -491,10 +491,6 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
 	regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
 			TPS65023_REG_CTRL2_CORE_ADJ, TPS65023_REG_CTRL2_CORE_ADJ);
 
-	/* Enable setting output voltage by I2C */
-	regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
-			TPS65023_REG_CTRL2_CORE_ADJ, TPS65023_REG_CTRL2_CORE_ADJ);
-
 	return 0;
 
  fail:
diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index 0b63ef71a5fe..832833fe8aad 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -238,16 +238,16 @@ static int tps6507x_pmic_reg_write(struct tps6507x_pmic *tps, u8 reg, u8 val)
 	return err;
 }
 
-static int tps6507x_pmic_dcdc_is_enabled(struct regulator_dev *dev)
+static int tps6507x_pmic_is_enabled(struct regulator_dev *dev)
 {
 	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int data, dcdc = rdev_get_id(dev);
+	int data, rid = rdev_get_id(dev);
 	u8 shift;
 
-	if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
+	if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
 		return -EINVAL;
 
-	shift = TPS6507X_MAX_REG_ID - dcdc;
+	shift = TPS6507X_MAX_REG_ID - rid;
 	data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1);
 
 	if (data < 0)
@@ -256,99 +256,65 @@ static int tps6507x_pmic_dcdc_is_enabled(struct regulator_dev *dev)
 		return (data & 1<<shift) ? 1 : 0;
 }
 
-static int tps6507x_pmic_ldo_is_enabled(struct regulator_dev *dev)
+static int tps6507x_pmic_enable(struct regulator_dev *dev)
 {
 	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int data, ldo = rdev_get_id(dev);
+	int rid = rdev_get_id(dev);
 	u8 shift;
 
-	if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
+	if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
 		return -EINVAL;
 
-	shift = TPS6507X_MAX_REG_ID - ldo;
-	data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1);
-
-	if (data < 0)
-		return data;
-	else
-		return (data & 1<<shift) ? 1 : 0;
-}
-
-static int tps6507x_pmic_dcdc_enable(struct regulator_dev *dev)
-{
-	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int dcdc = rdev_get_id(dev);
-	u8 shift;
-
-	if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
-		return -EINVAL;
-
-	shift = TPS6507X_MAX_REG_ID - dcdc;
-	return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
-}
-
-static int tps6507x_pmic_dcdc_disable(struct regulator_dev *dev)
-{
-	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int dcdc = rdev_get_id(dev);
-	u8 shift;
-
-	if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
-		return -EINVAL;
-
-	shift = TPS6507X_MAX_REG_ID - dcdc;
-	return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1,
-					1 << shift);
-}
-
-static int tps6507x_pmic_ldo_enable(struct regulator_dev *dev)
-{
-	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int ldo = rdev_get_id(dev);
-	u8 shift;
-
-	if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
-		return -EINVAL;
-
-	shift = TPS6507X_MAX_REG_ID - ldo;
+	shift = TPS6507X_MAX_REG_ID - rid;
 	return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
 }
 
-static int tps6507x_pmic_ldo_disable(struct regulator_dev *dev)
+static int tps6507x_pmic_disable(struct regulator_dev *dev)
 {
 	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int ldo = rdev_get_id(dev);
+	int rid = rdev_get_id(dev);
 	u8 shift;
 
-	if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
+	if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
 		return -EINVAL;
 
-	shift = TPS6507X_MAX_REG_ID - ldo;
+	shift = TPS6507X_MAX_REG_ID - rid;
 	return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1,
 					1 << shift);
 }
 
-static int tps6507x_pmic_dcdc_get_voltage(struct regulator_dev *dev)
+static int tps6507x_pmic_get_voltage(struct regulator_dev *dev)
 {
 	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int data, dcdc = rdev_get_id(dev);
-	u8 reg;
+	int data, rid = rdev_get_id(dev);
+	u8 reg, mask;
 
-	switch (dcdc) {
+	switch (rid) {
 	case TPS6507X_DCDC_1:
 		reg = TPS6507X_REG_DEFDCDC1;
+		mask = TPS6507X_DEFDCDCX_DCDC_MASK;
 		break;
 	case TPS6507X_DCDC_2:
-		if (tps->info[dcdc]->defdcdc_default)
+		if (tps->info[rid]->defdcdc_default)
 			reg = TPS6507X_REG_DEFDCDC2_HIGH;
 		else
 			reg = TPS6507X_REG_DEFDCDC2_LOW;
+		mask = TPS6507X_DEFDCDCX_DCDC_MASK;
 		break;
 	case TPS6507X_DCDC_3:
-		if (tps->info[dcdc]->defdcdc_default)
+		if (tps->info[rid]->defdcdc_default)
 			reg = TPS6507X_REG_DEFDCDC3_HIGH;
 		else
 			reg = TPS6507X_REG_DEFDCDC3_LOW;
+		mask = TPS6507X_DEFDCDCX_DCDC_MASK;
+		break;
+	case TPS6507X_LDO_1:
+		reg = TPS6507X_REG_LDO_CTRL1;
+		mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK;
+		break;
+	case TPS6507X_LDO_2:
+		reg = TPS6507X_REG_DEFLDO2;
+		mask = TPS6507X_REG_DEFLDO2_LDO2_MASK;
 		break;
 	default:
 		return -EINVAL;
@@ -358,193 +324,83 @@ static int tps6507x_pmic_dcdc_get_voltage(struct regulator_dev *dev)
 	if (data < 0)
 		return data;
 
-	data &= TPS6507X_DEFDCDCX_DCDC_MASK;
-	return tps->info[dcdc]->table[data] * 1000;
+	data &= mask;
+	return tps->info[rid]->table[data] * 1000;
 }
 
-static int tps6507x_pmic_dcdc_set_voltage(struct regulator_dev *dev,
-					  int min_uV, int max_uV,
-					  unsigned *selector)
+static int tps6507x_pmic_set_voltage_sel(struct regulator_dev *dev,
+					  unsigned selector)
 {
 	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int data, vsel, dcdc = rdev_get_id(dev);
-	u8 reg;
+	int data, rid = rdev_get_id(dev);
+	u8 reg, mask;
 
-	switch (dcdc) {
+	switch (rid) {
 	case TPS6507X_DCDC_1:
 		reg = TPS6507X_REG_DEFDCDC1;
+		mask = TPS6507X_DEFDCDCX_DCDC_MASK;
 		break;
 	case TPS6507X_DCDC_2:
-		if (tps->info[dcdc]->defdcdc_default)
+		if (tps->info[rid]->defdcdc_default)
 			reg = TPS6507X_REG_DEFDCDC2_HIGH;
 		else
 			reg = TPS6507X_REG_DEFDCDC2_LOW;
+		mask = TPS6507X_DEFDCDCX_DCDC_MASK;
 		break;
 	case TPS6507X_DCDC_3:
-		if (tps->info[dcdc]->defdcdc_default)
+		if (tps->info[rid]->defdcdc_default)
 			reg = TPS6507X_REG_DEFDCDC3_HIGH;
 		else
 			reg = TPS6507X_REG_DEFDCDC3_LOW;
+		mask = TPS6507X_DEFDCDCX_DCDC_MASK;
+		break;
+	case TPS6507X_LDO_1:
+		reg = TPS6507X_REG_LDO_CTRL1;
+		mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK;
+		break;
+	case TPS6507X_LDO_2:
+		reg = TPS6507X_REG_DEFLDO2;
+		mask = TPS6507X_REG_DEFLDO2_LDO2_MASK;
 		break;
 	default:
 		return -EINVAL;
 	}
 
-	if (min_uV < tps->info[dcdc]->min_uV
-		|| min_uV > tps->info[dcdc]->max_uV)
-		return -EINVAL;
-	if (max_uV < tps->info[dcdc]->min_uV
-		|| max_uV > tps->info[dcdc]->max_uV)
-		return -EINVAL;
-
-	for (vsel = 0; vsel < tps->info[dcdc]->table_len; vsel++) {
-		int mV = tps->info[dcdc]->table[vsel];
-		int uV = mV * 1000;
-
-		/* Break at the first in-range value */
-		if (min_uV <= uV && uV <= max_uV)
-			break;
-	}
-
-	/* write to the register in case we found a match */
-	if (vsel == tps->info[dcdc]->table_len)
-		return -EINVAL;
-
-	*selector = vsel;
-
-	data = tps6507x_pmic_reg_read(tps, reg);
-	if (data < 0)
-		return data;
-
-	data &= ~TPS6507X_DEFDCDCX_DCDC_MASK;
-	data |= vsel;
-
-	return tps6507x_pmic_reg_write(tps, reg, data);
-}
-
-static int tps6507x_pmic_ldo_get_voltage(struct regulator_dev *dev)
-{
-	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int data, ldo = rdev_get_id(dev);
-	u8 reg, mask;
-
-	if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
-		return -EINVAL;
-	else {
-		reg = (ldo == TPS6507X_LDO_1 ?
-			TPS6507X_REG_LDO_CTRL1 : TPS6507X_REG_DEFLDO2);
-		mask = (ldo == TPS6507X_LDO_1 ?
-			TPS6507X_REG_LDO_CTRL1_LDO1_MASK :
-				TPS6507X_REG_DEFLDO2_LDO2_MASK);
-	}
-
-	data = tps6507x_pmic_reg_read(tps, reg);
-	if (data < 0)
-		return data;
-
-	data &= mask;
-	return tps->info[ldo]->table[data] * 1000;
-}
-
-static int tps6507x_pmic_ldo_set_voltage(struct regulator_dev *dev,
-					 int min_uV, int max_uV,
-					 unsigned *selector)
-{
-	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int data, vsel, ldo = rdev_get_id(dev);
-	u8 reg, mask;
-
-	if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
-		return -EINVAL;
-	else {
-		reg = (ldo == TPS6507X_LDO_1 ?
-			TPS6507X_REG_LDO_CTRL1 : TPS6507X_REG_DEFLDO2);
-		mask = (ldo == TPS6507X_LDO_1 ?
-			TPS6507X_REG_LDO_CTRL1_LDO1_MASK :
-				TPS6507X_REG_DEFLDO2_LDO2_MASK);
-	}
-
-	if (min_uV < tps->info[ldo]->min_uV || min_uV > tps->info[ldo]->max_uV)
-		return -EINVAL;
-	if (max_uV < tps->info[ldo]->min_uV || max_uV > tps->info[ldo]->max_uV)
-		return -EINVAL;
-
-	for (vsel = 0; vsel < tps->info[ldo]->table_len; vsel++) {
-		int mV = tps->info[ldo]->table[vsel];
-		int uV = mV * 1000;
-
-		/* Break at the first in-range value */
-		if (min_uV <= uV && uV <= max_uV)
-			break;
-	}
-
-	if (vsel == tps->info[ldo]->table_len)
-		return -EINVAL;
-
-	*selector = vsel;
-
 	data = tps6507x_pmic_reg_read(tps, reg);
 	if (data < 0)
 		return data;
 
 	data &= ~mask;
-	data |= vsel;
+	data |= selector;
 
 	return tps6507x_pmic_reg_write(tps, reg, data);
 }
 
-static int tps6507x_pmic_dcdc_list_voltage(struct regulator_dev *dev,
+static int tps6507x_pmic_list_voltage(struct regulator_dev *dev,
 					unsigned selector)
 {
 	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int dcdc = rdev_get_id(dev);
+	int rid = rdev_get_id(dev);
 
-	if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
+	if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
 		return -EINVAL;
 
-	if (selector >= tps->info[dcdc]->table_len)
+	if (selector >= tps->info[rid]->table_len)
 		return -EINVAL;
 	else
-		return tps->info[dcdc]->table[selector] * 1000;
+		return tps->info[rid]->table[selector] * 1000;
 }
 
-static int tps6507x_pmic_ldo_list_voltage(struct regulator_dev *dev,
-					unsigned selector)
-{
-	struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
-	int ldo = rdev_get_id(dev);
-
-	if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
-		return -EINVAL;
-
-	if (selector >= tps->info[ldo]->table_len)
-		return -EINVAL;
-	else
-		return tps->info[ldo]->table[selector] * 1000;
-}
-
-/* Operations permitted on VDCDCx */
-static struct regulator_ops tps6507x_pmic_dcdc_ops = {
-	.is_enabled = tps6507x_pmic_dcdc_is_enabled,
-	.enable = tps6507x_pmic_dcdc_enable,
-	.disable = tps6507x_pmic_dcdc_disable,
-	.get_voltage = tps6507x_pmic_dcdc_get_voltage,
-	.set_voltage = tps6507x_pmic_dcdc_set_voltage,
-	.list_voltage = tps6507x_pmic_dcdc_list_voltage,
+static struct regulator_ops tps6507x_pmic_ops = {
+	.is_enabled = tps6507x_pmic_is_enabled,
+	.enable = tps6507x_pmic_enable,
+	.disable = tps6507x_pmic_disable,
+	.get_voltage = tps6507x_pmic_get_voltage,
+	.set_voltage_sel = tps6507x_pmic_set_voltage_sel,
+	.list_voltage = tps6507x_pmic_list_voltage,
 };
 
-/* Operations permitted on LDOx */
-static struct regulator_ops tps6507x_pmic_ldo_ops = {
-	.is_enabled = tps6507x_pmic_ldo_is_enabled,
-	.enable = tps6507x_pmic_ldo_enable,
-	.disable = tps6507x_pmic_ldo_disable,
-	.get_voltage = tps6507x_pmic_ldo_get_voltage,
-	.set_voltage = tps6507x_pmic_ldo_set_voltage,
-	.list_voltage = tps6507x_pmic_ldo_list_voltage,
-};
-
-static __devinit
-int tps6507x_pmic_probe(struct platform_device *pdev)
+static __devinit int tps6507x_pmic_probe(struct platform_device *pdev)
 {
 	struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
 	struct tps_info *info = &tps6507x_pmic_regs[0];
@@ -593,8 +449,7 @@ int tps6507x_pmic_probe(struct platform_device *pdev)
 		tps->desc[i].name = info->name;
 		tps->desc[i].id = i;
 		tps->desc[i].n_voltages = info->table_len;
-		tps->desc[i].ops = (i > TPS6507X_DCDC_3 ?
-		&tps6507x_pmic_ldo_ops : &tps6507x_pmic_dcdc_ops);
+		tps->desc[i].ops = &tps6507x_pmic_ops;
 		tps->desc[i].type = REGULATOR_VOLTAGE;
 		tps->desc[i].owner = THIS_MODULE;
 
@@ -648,22 +503,12 @@ static struct platform_driver tps6507x_pmic_driver = {
 	.remove = __devexit_p(tps6507x_pmic_remove),
 };
 
-/**
- * tps6507x_pmic_init
- *
- * Module init function
- */
 static int __init tps6507x_pmic_init(void)
 {
 	return platform_driver_register(&tps6507x_pmic_driver);
 }
 subsys_initcall(tps6507x_pmic_init);
 
-/**
- * tps6507x_pmic_cleanup
- *
- * Module exit function
- */
 static void __exit tps6507x_pmic_cleanup(void)
 {
 	platform_driver_unregister(&tps6507x_pmic_driver);
diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c
new file mode 100644
index 000000000000..e39521b42772
--- /dev/null
+++ b/drivers/regulator/tps65217-regulator.c
@@ -0,0 +1,378 @@
+/*
+ * tps65217-regulator.c
+ *
+ * Regulator driver for TPS65217 PMIC
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/tps65217.h>
+
+#define TPS65217_REGULATOR(_name, _id, _ops, _n)	\
+	{						\
+		.name		= _name,		\
+		.id		= _id,			\
+		.ops		= &_ops,		\
+		.n_voltages	= _n,			\
+		.type		= REGULATOR_VOLTAGE,	\
+		.owner		= THIS_MODULE,		\
+	}						\
+
+#define TPS65217_INFO(_nm, _min, _max, _f1, _f2, _t, _n, _em, _vr, _vm)	\
+	{						\
+		.name		= _nm,			\
+		.min_uV		= _min,			\
+		.max_uV		= _max,			\
+		.vsel_to_uv	= _f1,			\
+		.uv_to_vsel	= _f2,			\
+		.table		= _t,			\
+		.table_len	= _n,			\
+		.enable_mask	= _em,			\
+		.set_vout_reg	= _vr,			\
+		.set_vout_mask	= _vm,			\
+	}
+
+static const int LDO1_VSEL_table[] = {
+	1000000, 1100000, 1200000, 1250000,
+	1300000, 1350000, 1400000, 1500000,
+	1600000, 1800000, 2500000, 2750000,
+	2800000, 3000000, 3100000, 3300000,
+};
+
+static int tps65217_vsel_to_uv1(unsigned int vsel)
+{
+	int uV = 0;
+
+	if (vsel > 63)
+		return -EINVAL;
+
+	if (vsel <= 24)
+		uV = vsel * 25000 + 900000;
+	else if (vsel <= 52)
+		uV = (vsel - 24) * 50000 + 1500000;
+	else if (vsel < 56)
+		uV = (vsel - 52) * 100000 + 2900000;
+	else
+		uV = 3300000;
+
+	return uV;
+}
+
+static int tps65217_uv_to_vsel1(int uV, unsigned int *vsel)
+{
+	if ((uV < 0) && (uV > 3300000))
+		return -EINVAL;
+
+	if (uV <= 1500000)
+		*vsel = DIV_ROUND_UP(uV - 900000, 25000);
+	else if (uV <= 2900000)
+		*vsel = 24 + DIV_ROUND_UP(uV - 1500000, 50000);
+	else if (uV < 3300000)
+		*vsel = 52 + DIV_ROUND_UP(uV - 2900000, 100000);
+	else
+		*vsel = 56;
+
+	return 0;
+}
+
+static int tps65217_vsel_to_uv2(unsigned int vsel)
+{
+	int uV = 0;
+
+	if (vsel > 31)
+		return -EINVAL;
+
+	if (vsel <= 8)
+		uV = vsel * 50000 + 1500000;
+	else if (vsel <= 13)
+		uV = (vsel - 8) * 100000 + 1900000;
+	else
+		uV = (vsel - 13) * 50000 + 2400000;
+
+	return uV;
+}
+
+static int tps65217_uv_to_vsel2(int uV, unsigned int *vsel)
+{
+	if ((uV < 0) && (uV > 3300000))
+		return -EINVAL;
+
+	if (uV <= 1900000)
+		*vsel = DIV_ROUND_UP(uV - 1500000, 50000);
+	else if (uV <= 2400000)
+		*vsel = 8 + DIV_ROUND_UP(uV - 1900000, 100000);
+	else
+		*vsel = 13 + DIV_ROUND_UP(uV - 2400000, 50000);
+
+	return 0;
+}
+
+static struct tps_info tps65217_pmic_regs[] = {
+	TPS65217_INFO("DCDC1", 900000, 1800000, tps65217_vsel_to_uv1,
+			tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_DC1_EN,
+			TPS65217_REG_DEFDCDC1, TPS65217_DEFDCDCX_DCDC_MASK),
+	TPS65217_INFO("DCDC2", 900000, 3300000, tps65217_vsel_to_uv1,
+			tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_DC2_EN,
+			TPS65217_REG_DEFDCDC2, TPS65217_DEFDCDCX_DCDC_MASK),
+	TPS65217_INFO("DCDC3", 900000, 1500000, tps65217_vsel_to_uv1,
+			tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_DC3_EN,
+			TPS65217_REG_DEFDCDC3, TPS65217_DEFDCDCX_DCDC_MASK),
+	TPS65217_INFO("LDO1", 1000000, 3300000, NULL, NULL, LDO1_VSEL_table,
+			16, TPS65217_ENABLE_LDO1_EN, TPS65217_REG_DEFLDO1,
+			TPS65217_DEFLDO1_LDO1_MASK),
+	TPS65217_INFO("LDO2", 900000, 3300000, tps65217_vsel_to_uv1,
+			tps65217_uv_to_vsel1, NULL, 64, TPS65217_ENABLE_LDO2_EN,
+			TPS65217_REG_DEFLDO2, TPS65217_DEFLDO2_LDO2_MASK),
+	TPS65217_INFO("LDO3", 1800000, 3300000, tps65217_vsel_to_uv2,
+			tps65217_uv_to_vsel2, NULL, 32,
+			TPS65217_ENABLE_LS1_EN | TPS65217_DEFLDO3_LDO3_EN,
+			TPS65217_REG_DEFLS1, TPS65217_DEFLDO3_LDO3_MASK),
+	TPS65217_INFO("LDO4", 1800000, 3300000, tps65217_vsel_to_uv2,
+			tps65217_uv_to_vsel2, NULL, 32,
+			TPS65217_ENABLE_LS2_EN | TPS65217_DEFLDO4_LDO4_EN,
+			TPS65217_REG_DEFLS2, TPS65217_DEFLDO4_LDO4_MASK),
+};
+
+static int tps65217_pmic_is_enabled(struct regulator_dev *dev)
+{
+	int ret;
+	struct tps65217 *tps = rdev_get_drvdata(dev);
+	unsigned int data, rid = rdev_get_id(dev);
+
+	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
+		return -EINVAL;
+
+	ret = tps65217_reg_read(tps, TPS65217_REG_ENABLE, &data);
+	if (ret)
+		return ret;
+
+	return (data & tps->info[rid]->enable_mask) ? 1 : 0;
+}
+
+static int tps65217_pmic_enable(struct regulator_dev *dev)
+{
+	struct tps65217 *tps = rdev_get_drvdata(dev);
+	unsigned int rid = rdev_get_id(dev);
+
+	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
+		return -EINVAL;
+
+	/* Enable the regulator and password protection is level 1 */
+	return tps65217_set_bits(tps, TPS65217_REG_ENABLE,
+				tps->info[rid]->enable_mask,
+				tps->info[rid]->enable_mask,
+				TPS65217_PROTECT_L1);
+}
+
+static int tps65217_pmic_disable(struct regulator_dev *dev)
+{
+	struct tps65217 *tps = rdev_get_drvdata(dev);
+	unsigned int rid = rdev_get_id(dev);
+
+	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
+		return -EINVAL;
+
+	/* Disable the regulator and password protection is level 1 */
+	return tps65217_clear_bits(tps, TPS65217_REG_ENABLE,
+			tps->info[rid]->enable_mask, TPS65217_PROTECT_L1);
+}
+
+static int tps65217_pmic_get_voltage_sel(struct regulator_dev *dev)
+{
+	int ret;
+	struct tps65217 *tps = rdev_get_drvdata(dev);
+	unsigned int selector, rid = rdev_get_id(dev);
+
+	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
+		return -EINVAL;
+
+	ret = tps65217_reg_read(tps, tps->info[rid]->set_vout_reg, &selector);
+	if (ret)
+		return ret;
+
+	selector &= tps->info[rid]->set_vout_mask;
+
+	return selector;
+}
+
+static int tps65217_pmic_ldo1_set_voltage_sel(struct regulator_dev *dev,
+						unsigned selector)
+{
+	struct tps65217 *tps = rdev_get_drvdata(dev);
+	int ldo = rdev_get_id(dev);
+
+	if (ldo != TPS65217_LDO_1)
+		return -EINVAL;
+
+	if (selector >= tps->info[ldo]->table_len)
+		return -EINVAL;
+
+	/* Set the voltage based on vsel value and write protect level is 2 */
+	return tps65217_set_bits(tps, tps->info[ldo]->set_vout_reg,
+					tps->info[ldo]->set_vout_mask,
+					selector, TPS65217_PROTECT_L2);
+}
+
+static int tps65217_pmic_set_voltage(struct regulator_dev *dev,
+				  int min_uV, int max_uV, unsigned *selector)
+{
+	int ret;
+	struct tps65217 *tps = rdev_get_drvdata(dev);
+	unsigned int rid = rdev_get_id(dev);
+
+	/* LDO1 implements set_voltage_sel callback */
+	if (rid == TPS65217_LDO_1)
+		return -EINVAL;
+
+	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
+		return -EINVAL;
+
+	if (min_uV < tps->info[rid]->min_uV
+		|| min_uV > tps->info[rid]->max_uV)
+		return -EINVAL;
+
+	if (max_uV < tps->info[rid]->min_uV
+		|| max_uV > tps->info[rid]->max_uV)
+		return -EINVAL;
+
+	ret = tps->info[rid]->uv_to_vsel(min_uV, selector);
+	if (ret)
+		return ret;
+
+	/* Set the voltage based on vsel value and write protect level is 2 */
+	ret = tps65217_set_bits(tps, tps->info[rid]->set_vout_reg,
+				tps->info[rid]->set_vout_mask,
+				*selector, TPS65217_PROTECT_L2);
+
+	/* Set GO bit for DCDCx to initiate voltage transistion */
+	switch (rid) {
+	case TPS65217_DCDC_1 ... TPS65217_DCDC_3:
+		ret = tps65217_set_bits(tps, TPS65217_REG_DEFSLEW,
+				       TPS65217_DEFSLEW_GO, TPS65217_DEFSLEW_GO,
+				       TPS65217_PROTECT_L2);
+		break;
+	}
+
+	return ret;
+}
+
+static int tps65217_pmic_list_voltage(struct regulator_dev *dev,
+					unsigned selector)
+{
+	struct tps65217 *tps = rdev_get_drvdata(dev);
+	unsigned int rid = rdev_get_id(dev);
+
+	if (rid < TPS65217_DCDC_1 || rid > TPS65217_LDO_4)
+		return -EINVAL;
+
+	if (selector >= tps->info[rid]->table_len)
+		return -EINVAL;
+
+	if (tps->info[rid]->table)
+		return tps->info[rid]->table[selector];
+
+	return tps->info[rid]->vsel_to_uv(selector);
+}
+
+/* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
+static struct regulator_ops tps65217_pmic_ops = {
+	.is_enabled		= tps65217_pmic_is_enabled,
+	.enable			= tps65217_pmic_enable,
+	.disable		= tps65217_pmic_disable,
+	.get_voltage_sel	= tps65217_pmic_get_voltage_sel,
+	.set_voltage		= tps65217_pmic_set_voltage,
+	.list_voltage		= tps65217_pmic_list_voltage,
+};
+
+/* Operations permitted on LDO1 */
+static struct regulator_ops tps65217_pmic_ldo1_ops = {
+	.is_enabled		= tps65217_pmic_is_enabled,
+	.enable			= tps65217_pmic_enable,
+	.disable		= tps65217_pmic_disable,
+	.get_voltage_sel	= tps65217_pmic_get_voltage_sel,
+	.set_voltage_sel	= tps65217_pmic_ldo1_set_voltage_sel,
+	.list_voltage		= tps65217_pmic_list_voltage,
+};
+
+static struct regulator_desc regulators[] = {
+	TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, tps65217_pmic_ops, 64),
+	TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, tps65217_pmic_ops, 64),
+	TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, tps65217_pmic_ops, 64),
+	TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, tps65217_pmic_ldo1_ops, 16),
+	TPS65217_REGULATOR("LDO2", TPS65217_LDO_2, tps65217_pmic_ops, 64),
+	TPS65217_REGULATOR("LDO3", TPS65217_LDO_3, tps65217_pmic_ops, 32),
+	TPS65217_REGULATOR("LDO4", TPS65217_LDO_4, tps65217_pmic_ops, 32),
+};
+
+static int __devinit tps65217_regulator_probe(struct platform_device *pdev)
+{
+	struct regulator_dev *rdev;
+	struct tps65217 *tps;
+	struct tps_info *info = &tps65217_pmic_regs[pdev->id];
+
+	/* Already set by core driver */
+	tps = dev_to_tps65217(pdev->dev.parent);
+	tps->info[pdev->id] = info;
+
+	rdev = regulator_register(&regulators[pdev->id], &pdev->dev,
+				  pdev->dev.platform_data, tps, NULL);
+	if (IS_ERR(rdev))
+		return PTR_ERR(rdev);
+
+	platform_set_drvdata(pdev, rdev);
+
+	return 0;
+}
+
+static int __devexit tps65217_regulator_remove(struct platform_device *pdev)
+{
+	struct regulator_dev *rdev = platform_get_drvdata(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+	regulator_unregister(rdev);
+
+	return 0;
+}
+
+static struct platform_driver tps65217_regulator_driver = {
+	.driver = {
+		.name = "tps65217-pmic",
+	},
+	.probe = tps65217_regulator_probe,
+	.remove = __devexit_p(tps65217_regulator_remove),
+};
+
+static int __init tps65217_regulator_init(void)
+{
+	return platform_driver_register(&tps65217_regulator_driver);
+}
+subsys_initcall(tps65217_regulator_init);
+
+static void __exit tps65217_regulator_exit(void)
+{
+	platform_driver_unregister(&tps65217_regulator_driver);
+}
+module_exit(tps65217_regulator_exit);
+
+MODULE_AUTHOR("AnilKumar Ch <anilkumar@ti.com>");
+MODULE_DESCRIPTION("TPS65217 voltage regulator driver");
+MODULE_ALIAS("platform:tps65217-pmic");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c
index 2e94686b6fe6..4a421be6d4f2 100644
--- a/drivers/regulator/tps6524x-regulator.c
+++ b/drivers/regulator/tps6524x-regulator.c
@@ -108,9 +108,7 @@
 #define N_DCDC			3
 #define N_LDO			2
 #define N_SWITCH		2
-#define N_REGULATORS		(3 /* DCDC */ + \
-				 2 /* LDO */  + \
-				 2 /* switch */)
+#define N_REGULATORS		(N_DCDC + N_LDO + N_SWITCH)
 
 #define FIXED_ILIMSEL		BIT(0)
 #define FIXED_VOLTAGE		BIT(1)
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index c75fb20faa57..29b615ce3aff 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -383,7 +383,7 @@ static int __devinit tps6586x_regulator_probe(struct platform_device *pdev)
 	int id = pdev->id;
 	int err;
 
-	dev_dbg(&pdev->dev, "Probing reulator %d\n", id);
+	dev_dbg(&pdev->dev, "Probing regulator %d\n", id);
 
 	ri = find_regulator_info(id);
 	if (ri == NULL) {
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 40ecf5165899..4a37c2b6367f 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -26,6 +26,10 @@
 #include <linux/mfd/tps65910.h>
 
 #define TPS65910_SUPPLY_STATE_ENABLED	0x1
+#define EXT_SLEEP_CONTROL (TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1 |	\
+			TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2 |		\
+			TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3 |		\
+			TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP)
 
 /* supported VIO voltages in milivolts */
 static const u16 VIO_VSEL_table[] = {
@@ -83,161 +87,235 @@ struct tps_info {
 	const char *name;
 	unsigned min_uV;
 	unsigned max_uV;
-	u8 table_len;
-	const u16 *table;
+	u8 n_voltages;
+	const u16 *voltage_table;
+	int enable_time_us;
 };
 
 static struct tps_info tps65910_regs[] = {
 	{
 		.name = "VRTC",
+		.enable_time_us = 2200,
 	},
 	{
 		.name = "VIO",
 		.min_uV = 1500000,
 		.max_uV = 3300000,
-		.table_len = ARRAY_SIZE(VIO_VSEL_table),
-		.table = VIO_VSEL_table,
+		.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
+		.voltage_table = VIO_VSEL_table,
+		.enable_time_us = 350,
 	},
 	{
 		.name = "VDD1",
 		.min_uV = 600000,
 		.max_uV = 4500000,
+		.enable_time_us = 350,
 	},
 	{
 		.name = "VDD2",
 		.min_uV = 600000,
 		.max_uV = 4500000,
+		.enable_time_us = 350,
 	},
 	{
 		.name = "VDD3",
 		.min_uV = 5000000,
 		.max_uV = 5000000,
-		.table_len = ARRAY_SIZE(VDD3_VSEL_table),
-		.table = VDD3_VSEL_table,
+		.n_voltages = ARRAY_SIZE(VDD3_VSEL_table),
+		.voltage_table = VDD3_VSEL_table,
+		.enable_time_us = 200,
 	},
 	{
 		.name = "VDIG1",
 		.min_uV = 1200000,
 		.max_uV = 2700000,
-		.table_len = ARRAY_SIZE(VDIG1_VSEL_table),
-		.table = VDIG1_VSEL_table,
+		.n_voltages = ARRAY_SIZE(VDIG1_VSEL_table),
+		.voltage_table = VDIG1_VSEL_table,
+		.enable_time_us = 100,
 	},
 	{
 		.name = "VDIG2",
 		.min_uV = 1000000,
 		.max_uV = 1800000,
-		.table_len = ARRAY_SIZE(VDIG2_VSEL_table),
-		.table = VDIG2_VSEL_table,
+		.n_voltages = ARRAY_SIZE(VDIG2_VSEL_table),
+		.voltage_table = VDIG2_VSEL_table,
+		.enable_time_us = 100,
 	},
 	{
 		.name = "VPLL",
 		.min_uV = 1000000,
 		.max_uV = 2500000,
-		.table_len = ARRAY_SIZE(VPLL_VSEL_table),
-		.table = VPLL_VSEL_table,
+		.n_voltages = ARRAY_SIZE(VPLL_VSEL_table),
+		.voltage_table = VPLL_VSEL_table,
+		.enable_time_us = 100,
 	},
 	{
 		.name = "VDAC",
 		.min_uV = 1800000,
 		.max_uV = 2850000,
-		.table_len = ARRAY_SIZE(VDAC_VSEL_table),
-		.table = VDAC_VSEL_table,
+		.n_voltages = ARRAY_SIZE(VDAC_VSEL_table),
+		.voltage_table = VDAC_VSEL_table,
+		.enable_time_us = 100,
 	},
 	{
 		.name = "VAUX1",
 		.min_uV = 1800000,
 		.max_uV = 2850000,
-		.table_len = ARRAY_SIZE(VAUX1_VSEL_table),
-		.table = VAUX1_VSEL_table,
+		.n_voltages = ARRAY_SIZE(VAUX1_VSEL_table),
+		.voltage_table = VAUX1_VSEL_table,
+		.enable_time_us = 100,
 	},
 	{
 		.name = "VAUX2",
 		.min_uV = 1800000,
 		.max_uV = 3300000,
-		.table_len = ARRAY_SIZE(VAUX2_VSEL_table),
-		.table = VAUX2_VSEL_table,
+		.n_voltages = ARRAY_SIZE(VAUX2_VSEL_table),
+		.voltage_table = VAUX2_VSEL_table,
+		.enable_time_us = 100,
 	},
 	{
 		.name = "VAUX33",
 		.min_uV = 1800000,
 		.max_uV = 3300000,
-		.table_len = ARRAY_SIZE(VAUX33_VSEL_table),
-		.table = VAUX33_VSEL_table,
+		.n_voltages = ARRAY_SIZE(VAUX33_VSEL_table),
+		.voltage_table = VAUX33_VSEL_table,
+		.enable_time_us = 100,
 	},
 	{
 		.name = "VMMC",
 		.min_uV = 1800000,
 		.max_uV = 3300000,
-		.table_len = ARRAY_SIZE(VMMC_VSEL_table),
-		.table = VMMC_VSEL_table,
+		.n_voltages = ARRAY_SIZE(VMMC_VSEL_table),
+		.voltage_table = VMMC_VSEL_table,
+		.enable_time_us = 100,
 	},
 };
 
 static struct tps_info tps65911_regs[] = {
 	{
+		.name = "VRTC",
+		.enable_time_us = 2200,
+	},
+	{
 		.name = "VIO",
 		.min_uV = 1500000,
 		.max_uV = 3300000,
-		.table_len = ARRAY_SIZE(VIO_VSEL_table),
-		.table = VIO_VSEL_table,
+		.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
+		.voltage_table = VIO_VSEL_table,
+		.enable_time_us = 350,
 	},
 	{
 		.name = "VDD1",
 		.min_uV = 600000,
 		.max_uV = 4500000,
+		.n_voltages = 73,
+		.enable_time_us = 350,
 	},
 	{
 		.name = "VDD2",
 		.min_uV = 600000,
 		.max_uV = 4500000,
+		.n_voltages = 73,
+		.enable_time_us = 350,
 	},
 	{
 		.name = "VDDCTRL",
 		.min_uV = 600000,
 		.max_uV = 1400000,
+		.n_voltages = 65,
+		.enable_time_us = 900,
 	},
 	{
 		.name = "LDO1",
 		.min_uV = 1000000,
 		.max_uV = 3300000,
+		.n_voltages = 47,
+		.enable_time_us = 420,
 	},
 	{
 		.name = "LDO2",
 		.min_uV = 1000000,
 		.max_uV = 3300000,
+		.n_voltages = 47,
+		.enable_time_us = 420,
 	},
 	{
 		.name = "LDO3",
 		.min_uV = 1000000,
 		.max_uV = 3300000,
+		.n_voltages = 24,
+		.enable_time_us = 230,
 	},
 	{
 		.name = "LDO4",
 		.min_uV = 1000000,
 		.max_uV = 3300000,
+		.n_voltages = 47,
+		.enable_time_us = 230,
 	},
 	{
 		.name = "LDO5",
 		.min_uV = 1000000,
 		.max_uV = 3300000,
+		.n_voltages = 24,
+		.enable_time_us = 230,
 	},
 	{
 		.name = "LDO6",
 		.min_uV = 1000000,
 		.max_uV = 3300000,
+		.n_voltages = 24,
+		.enable_time_us = 230,
 	},
 	{
 		.name = "LDO7",
 		.min_uV = 1000000,
 		.max_uV = 3300000,
+		.n_voltages = 24,
+		.enable_time_us = 230,
 	},
 	{
 		.name = "LDO8",
 		.min_uV = 1000000,
 		.max_uV = 3300000,
+		.n_voltages = 24,
+		.enable_time_us = 230,
 	},
 };
 
+#define EXT_CONTROL_REG_BITS(id, regs_offs, bits) (((regs_offs) << 8) | (bits))
+static unsigned int tps65910_ext_sleep_control[] = {
+	0,
+	EXT_CONTROL_REG_BITS(VIO,    1, 0),
+	EXT_CONTROL_REG_BITS(VDD1,   1, 1),
+	EXT_CONTROL_REG_BITS(VDD2,   1, 2),
+	EXT_CONTROL_REG_BITS(VDD3,   1, 3),
+	EXT_CONTROL_REG_BITS(VDIG1,  0, 1),
+	EXT_CONTROL_REG_BITS(VDIG2,  0, 2),
+	EXT_CONTROL_REG_BITS(VPLL,   0, 6),
+	EXT_CONTROL_REG_BITS(VDAC,   0, 7),
+	EXT_CONTROL_REG_BITS(VAUX1,  0, 3),
+	EXT_CONTROL_REG_BITS(VAUX2,  0, 4),
+	EXT_CONTROL_REG_BITS(VAUX33, 0, 5),
+	EXT_CONTROL_REG_BITS(VMMC,   0, 0),
+};
+
+static unsigned int tps65911_ext_sleep_control[] = {
+	0,
+	EXT_CONTROL_REG_BITS(VIO,     1, 0),
+	EXT_CONTROL_REG_BITS(VDD1,    1, 1),
+	EXT_CONTROL_REG_BITS(VDD2,    1, 2),
+	EXT_CONTROL_REG_BITS(VDDCTRL, 1, 3),
+	EXT_CONTROL_REG_BITS(LDO1,    0, 1),
+	EXT_CONTROL_REG_BITS(LDO2,    0, 2),
+	EXT_CONTROL_REG_BITS(LDO3,    0, 7),
+	EXT_CONTROL_REG_BITS(LDO4,    0, 6),
+	EXT_CONTROL_REG_BITS(LDO5,    0, 3),
+	EXT_CONTROL_REG_BITS(LDO6,    0, 0),
+	EXT_CONTROL_REG_BITS(LDO7,    0, 5),
+	EXT_CONTROL_REG_BITS(LDO8,    0, 4),
+};
+
 struct tps65910_reg {
 	struct regulator_desc *desc;
 	struct tps65910 *mfd;
@@ -247,6 +325,8 @@ struct tps65910_reg {
 	int num_regulators;
 	int mode;
 	int  (*get_ctrl_reg)(int);
+	unsigned int *ext_sleep_control;
+	unsigned int board_ext_control[TPS65910_NUM_REGS];
 };
 
 static inline int tps65910_read(struct tps65910_reg *pmic, u8 reg)
@@ -429,6 +509,12 @@ static int tps65910_disable(struct regulator_dev *dev)
 	return tps65910_clear_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED);
 }
 
+static int tps65910_enable_time(struct regulator_dev *dev)
+{
+	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
+	int id = rdev_get_id(dev);
+	return pmic->info[id]->enable_time_us;
+}
 
 static int tps65910_set_mode(struct regulator_dev *dev, unsigned int mode)
 {
@@ -467,7 +553,7 @@ static unsigned int tps65910_get_mode(struct regulator_dev *dev)
 	if (value < 0)
 		return value;
 
-	if (value & LDO_ST_ON_BIT)
+	if (!(value & LDO_ST_ON_BIT))
 		return REGULATOR_MODE_STANDBY;
 	else if (value & LDO_ST_MODE_BIT)
 		return REGULATOR_MODE_IDLE;
@@ -475,10 +561,10 @@ static unsigned int tps65910_get_mode(struct regulator_dev *dev)
 		return REGULATOR_MODE_NORMAL;
 }
 
-static int tps65910_get_voltage_dcdc(struct regulator_dev *dev)
+static int tps65910_get_voltage_dcdc_sel(struct regulator_dev *dev)
 {
 	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
-	int id = rdev_get_id(dev), voltage = 0;
+	int id = rdev_get_id(dev);
 	int opvsel = 0, srvsel = 0, vselmax = 0, mult = 0, sr = 0;
 
 	switch (id) {
@@ -522,9 +608,7 @@ static int tps65910_get_voltage_dcdc(struct regulator_dev *dev)
 			srvsel = 3;
 		if (srvsel > vselmax)
 			srvsel = vselmax;
-		srvsel -= 3;
-
-		voltage = (srvsel * VDD1_2_OFFSET + VDD1_2_MIN_VOLT) * 100;
+		return srvsel - 3;
 	} else {
 
 		/* normalise to valid range*/
@@ -532,14 +616,9 @@ static int tps65910_get_voltage_dcdc(struct regulator_dev *dev)
 			opvsel = 3;
 		if (opvsel > vselmax)
 			opvsel = vselmax;
-		opvsel -= 3;
-
-		voltage = (opvsel * VDD1_2_OFFSET + VDD1_2_MIN_VOLT) * 100;
+		return opvsel - 3;
 	}
-
-	voltage *= mult;
-
-	return voltage;
+	return -EINVAL;
 }
 
 static int tps65910_get_voltage(struct regulator_dev *dev)
@@ -572,7 +651,7 @@ static int tps65910_get_voltage(struct regulator_dev *dev)
 		return -EINVAL;
 	}
 
-	voltage = pmic->info[id]->table[value] * 1000;
+	voltage = pmic->info[id]->voltage_table[value] * 1000;
 
 	return voltage;
 }
@@ -622,8 +701,9 @@ static int tps65911_get_voltage(struct regulator_dev *dev)
 		step_mv = 100;
 		break;
 	case TPS65910_REG_VIO:
-		return pmic->info[id]->table[value] * 1000;
-		break;
+		value &= LDO_SEL_MASK;
+		value >>= LDO_SEL_SHIFT;
+		return pmic->info[id]->voltage_table[value] * 1000;
 	default:
 		return -EINVAL;
 	}
@@ -631,8 +711,8 @@ static int tps65911_get_voltage(struct regulator_dev *dev)
 	return (LDO_MIN_VOLT + value * step_mv) * 1000;
 }
 
-static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
-				unsigned selector)
+static int tps65910_set_voltage_dcdc_sel(struct regulator_dev *dev,
+					 unsigned selector)
 {
 	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
 	int id = rdev_get_id(dev), vsel;
@@ -669,7 +749,8 @@ static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
 	return 0;
 }
 
-static int tps65910_set_voltage(struct regulator_dev *dev, unsigned selector)
+static int tps65910_set_voltage_sel(struct regulator_dev *dev,
+				    unsigned selector)
 {
 	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
 	int reg, id = rdev_get_id(dev);
@@ -695,7 +776,8 @@ static int tps65910_set_voltage(struct regulator_dev *dev, unsigned selector)
 	return -EINVAL;
 }
 
-static int tps65911_set_voltage(struct regulator_dev *dev, unsigned selector)
+static int tps65911_set_voltage_sel(struct regulator_dev *dev,
+				    unsigned selector)
 {
 	struct tps65910_reg *pmic = rdev_get_drvdata(dev);
 	int reg, id = rdev_get_id(dev);
@@ -715,9 +797,11 @@ static int tps65911_set_voltage(struct regulator_dev *dev, unsigned selector)
 	case TPS65911_REG_LDO6:
 	case TPS65911_REG_LDO7:
 	case TPS65911_REG_LDO8:
-	case TPS65910_REG_VIO:
 		return tps65910_modify_bits(pmic, reg,
 				(selector << LDO_SEL_SHIFT), LDO3_SEL_MASK);
+	case TPS65910_REG_VIO:
+		return tps65910_modify_bits(pmic, reg,
+				(selector << LDO_SEL_SHIFT), LDO_SEL_MASK);
 	}
 
 	return -EINVAL;
@@ -756,10 +840,10 @@ static int tps65910_list_voltage(struct regulator_dev *dev,
 	if (id < TPS65910_REG_VIO || id > TPS65910_REG_VMMC)
 		return -EINVAL;
 
-	if (selector >= pmic->info[id]->table_len)
+	if (selector >= pmic->info[id]->n_voltages)
 		return -EINVAL;
 	else
-		voltage = pmic->info[id]->table[selector] * 1000;
+		voltage = pmic->info[id]->voltage_table[selector] * 1000;
 
 	return voltage;
 }
@@ -795,7 +879,7 @@ static int tps65911_list_voltage(struct regulator_dev *dev, unsigned selector)
 		step_mv = 100;
 		break;
 	case TPS65910_REG_VIO:
-		return pmic->info[id]->table[selector] * 1000;
+		return pmic->info[id]->voltage_table[selector] * 1000;
 	default:
 		return -EINVAL;
 	}
@@ -803,15 +887,42 @@ static int tps65911_list_voltage(struct regulator_dev *dev, unsigned selector)
 	return (LDO_MIN_VOLT + selector * step_mv) * 1000;
 }
 
+static int tps65910_set_voltage_dcdc_time_sel(struct regulator_dev *dev,
+		unsigned int old_selector, unsigned int new_selector)
+{
+	int id = rdev_get_id(dev);
+	int old_volt, new_volt;
+
+	old_volt = tps65910_list_voltage_dcdc(dev, old_selector);
+	if (old_volt < 0)
+		return old_volt;
+
+	new_volt = tps65910_list_voltage_dcdc(dev, new_selector);
+	if (new_volt < 0)
+		return new_volt;
+
+	/* VDD1 and VDD2 are 12.5mV/us, VDDCTRL is 100mV/20us */
+	switch (id) {
+	case TPS65910_REG_VDD1:
+	case TPS65910_REG_VDD2:
+		return DIV_ROUND_UP(abs(old_volt - new_volt), 12500);
+	case TPS65911_REG_VDDCTRL:
+		return DIV_ROUND_UP(abs(old_volt - new_volt), 5000);
+	}
+	return -EINVAL;
+}
+
 /* Regulator ops (except VRTC) */
 static struct regulator_ops tps65910_ops_dcdc = {
 	.is_enabled		= tps65910_is_enabled,
 	.enable			= tps65910_enable,
 	.disable		= tps65910_disable,
+	.enable_time		= tps65910_enable_time,
 	.set_mode		= tps65910_set_mode,
 	.get_mode		= tps65910_get_mode,
-	.get_voltage		= tps65910_get_voltage_dcdc,
-	.set_voltage_sel	= tps65910_set_voltage_dcdc,
+	.get_voltage_sel	= tps65910_get_voltage_dcdc_sel,
+	.set_voltage_sel	= tps65910_set_voltage_dcdc_sel,
+	.set_voltage_time_sel	= tps65910_set_voltage_dcdc_time_sel,
 	.list_voltage		= tps65910_list_voltage_dcdc,
 };
 
@@ -819,6 +930,7 @@ static struct regulator_ops tps65910_ops_vdd3 = {
 	.is_enabled		= tps65910_is_enabled,
 	.enable			= tps65910_enable,
 	.disable		= tps65910_disable,
+	.enable_time		= tps65910_enable_time,
 	.set_mode		= tps65910_set_mode,
 	.get_mode		= tps65910_get_mode,
 	.get_voltage		= tps65910_get_voltage_vdd3,
@@ -829,10 +941,11 @@ static struct regulator_ops tps65910_ops = {
 	.is_enabled		= tps65910_is_enabled,
 	.enable			= tps65910_enable,
 	.disable		= tps65910_disable,
+	.enable_time		= tps65910_enable_time,
 	.set_mode		= tps65910_set_mode,
 	.get_mode		= tps65910_get_mode,
 	.get_voltage		= tps65910_get_voltage,
-	.set_voltage_sel	= tps65910_set_voltage,
+	.set_voltage_sel	= tps65910_set_voltage_sel,
 	.list_voltage		= tps65910_list_voltage,
 };
 
@@ -840,13 +953,147 @@ static struct regulator_ops tps65911_ops = {
 	.is_enabled		= tps65910_is_enabled,
 	.enable			= tps65910_enable,
 	.disable		= tps65910_disable,
+	.enable_time		= tps65910_enable_time,
 	.set_mode		= tps65910_set_mode,
 	.get_mode		= tps65910_get_mode,
 	.get_voltage		= tps65911_get_voltage,
-	.set_voltage_sel	= tps65911_set_voltage,
+	.set_voltage_sel	= tps65911_set_voltage_sel,
 	.list_voltage		= tps65911_list_voltage,
 };
 
+static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic,
+		int id, int ext_sleep_config)
+{
+	struct tps65910 *mfd = pmic->mfd;
+	u8 regoffs = (pmic->ext_sleep_control[id] >> 8) & 0xFF;
+	u8 bit_pos = (1 << pmic->ext_sleep_control[id] & 0xFF);
+	int ret;
+
+	/*
+	 * Regulator can not be control from multiple external input EN1, EN2
+	 * and EN3 together.
+	 */
+	if (ext_sleep_config & EXT_SLEEP_CONTROL) {
+		int en_count;
+		en_count = ((ext_sleep_config &
+				TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1) != 0);
+		en_count += ((ext_sleep_config &
+				TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2) != 0);
+		en_count += ((ext_sleep_config &
+				TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3) != 0);
+		en_count += ((ext_sleep_config &
+				TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP) != 0);
+		if (en_count > 1) {
+			dev_err(mfd->dev,
+				"External sleep control flag is not proper\n");
+			return -EINVAL;
+		}
+	}
+
+	pmic->board_ext_control[id] = ext_sleep_config;
+
+	/* External EN1 control */
+	if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1)
+		ret = tps65910_set_bits(mfd,
+				TPS65910_EN1_LDO_ASS + regoffs, bit_pos);
+	else
+		ret = tps65910_clear_bits(mfd,
+				TPS65910_EN1_LDO_ASS + regoffs, bit_pos);
+	if (ret < 0) {
+		dev_err(mfd->dev,
+			"Error in configuring external control EN1\n");
+		return ret;
+	}
+
+	/* External EN2 control */
+	if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2)
+		ret = tps65910_set_bits(mfd,
+				TPS65910_EN2_LDO_ASS + regoffs, bit_pos);
+	else
+		ret = tps65910_clear_bits(mfd,
+				TPS65910_EN2_LDO_ASS + regoffs, bit_pos);
+	if (ret < 0) {
+		dev_err(mfd->dev,
+			"Error in configuring external control EN2\n");
+		return ret;
+	}
+
+	/* External EN3 control for TPS65910 LDO only */
+	if ((tps65910_chip_id(mfd) == TPS65910) &&
+			(id >= TPS65910_REG_VDIG1)) {
+		if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3)
+			ret = tps65910_set_bits(mfd,
+				TPS65910_EN3_LDO_ASS + regoffs, bit_pos);
+		else
+			ret = tps65910_clear_bits(mfd,
+				TPS65910_EN3_LDO_ASS + regoffs, bit_pos);
+		if (ret < 0) {
+			dev_err(mfd->dev,
+				"Error in configuring external control EN3\n");
+			return ret;
+		}
+	}
+
+	/* Return if no external control is selected */
+	if (!(ext_sleep_config & EXT_SLEEP_CONTROL)) {
+		/* Clear all sleep controls */
+		ret = tps65910_clear_bits(mfd,
+			TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos);
+		if (!ret)
+			ret = tps65910_clear_bits(mfd,
+				TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
+		if (ret < 0)
+			dev_err(mfd->dev,
+				"Error in configuring SLEEP register\n");
+		return ret;
+	}
+
+	/*
+	 * For regulator that has separate operational and sleep register make
+	 * sure that operational is used and clear sleep register to turn
+	 * regulator off when external control is inactive
+	 */
+	if ((id == TPS65910_REG_VDD1) ||
+		(id == TPS65910_REG_VDD2) ||
+			((id == TPS65911_REG_VDDCTRL) &&
+				(tps65910_chip_id(mfd) == TPS65911))) {
+		int op_reg_add = pmic->get_ctrl_reg(id) + 1;
+		int sr_reg_add = pmic->get_ctrl_reg(id) + 2;
+		int opvsel = tps65910_reg_read(pmic, op_reg_add);
+		int srvsel = tps65910_reg_read(pmic, sr_reg_add);
+		if (opvsel & VDD1_OP_CMD_MASK) {
+			u8 reg_val = srvsel & VDD1_OP_SEL_MASK;
+			ret = tps65910_reg_write(pmic, op_reg_add, reg_val);
+			if (ret < 0) {
+				dev_err(mfd->dev,
+					"Error in configuring op register\n");
+				return ret;
+			}
+		}
+		ret = tps65910_reg_write(pmic, sr_reg_add, 0);
+		if (ret < 0) {
+			dev_err(mfd->dev, "Error in settting sr register\n");
+			return ret;
+		}
+	}
+
+	ret = tps65910_clear_bits(mfd,
+			TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos);
+	if (!ret) {
+		if (ext_sleep_config & TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP)
+			ret = tps65910_set_bits(mfd,
+				TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
+		else
+			ret = tps65910_clear_bits(mfd,
+				TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos);
+	}
+	if (ret < 0)
+		dev_err(mfd->dev,
+			"Error in configuring SLEEP register\n");
+
+	return ret;
+}
+
 static __devinit int tps65910_probe(struct platform_device *pdev)
 {
 	struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent);
@@ -877,11 +1124,13 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
 	case TPS65910:
 		pmic->get_ctrl_reg = &tps65910_get_ctrl_register;
 		pmic->num_regulators = ARRAY_SIZE(tps65910_regs);
+		pmic->ext_sleep_control = tps65910_ext_sleep_control;
 		info = tps65910_regs;
 		break;
 	case TPS65911:
 		pmic->get_ctrl_reg = &tps65911_get_ctrl_register;
 		pmic->num_regulators = ARRAY_SIZE(tps65911_regs);
+		pmic->ext_sleep_control = tps65911_ext_sleep_control;
 		info = tps65911_regs;
 		break;
 	default:
@@ -926,7 +1175,7 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
 
 		pmic->desc[i].name = info->name;
 		pmic->desc[i].id = i;
-		pmic->desc[i].n_voltages = info->table_len;
+		pmic->desc[i].n_voltages = info->n_voltages;
 
 		if (i == TPS65910_REG_VDD1 || i == TPS65910_REG_VDD2) {
 			pmic->desc[i].ops = &tps65910_ops_dcdc;
@@ -944,6 +1193,16 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
 				pmic->desc[i].ops = &tps65911_ops;
 		}
 
+		err = tps65910_set_ext_sleep_config(pmic, i,
+				pmic_plat_data->regulator_ext_sleep_control[i]);
+		/*
+		 * Failing on regulator for configuring externally control
+		 * is not a serious issue, just throw warning.
+		 */
+		if (err < 0)
+			dev_warn(tps65910->dev,
+				"Failed to initialise ext control config\n");
+
 		pmic->desc[i].type = REGULATOR_VOLTAGE;
 		pmic->desc[i].owner = THIS_MODULE;
 
@@ -990,6 +1249,36 @@ static int __devexit tps65910_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static void tps65910_shutdown(struct platform_device *pdev)
+{
+	struct tps65910_reg *pmic = platform_get_drvdata(pdev);
+	int i;
+
+	/*
+	 * Before bootloader jumps to kernel, it makes sure that required
+	 * external control signals are in desired state so that given rails
+	 * can be configure accordingly.
+	 * If rails are configured to be controlled from external control
+	 * then before shutting down/rebooting the system, the external
+	 * control configuration need to be remove from the rails so that
+	 * its output will be available as per register programming even
+	 * if external controls are removed. This is require when the POR
+	 * value of the control signals are not in active state and before
+	 * bootloader initializes it, the system requires the rail output
+	 * to be active for booting.
+	 */
+	for (i = 0; i < pmic->num_regulators; i++) {
+		int err;
+		if (!pmic->rdev[i])
+			continue;
+
+		err = tps65910_set_ext_sleep_config(pmic, i, 0);
+		if (err < 0)
+			dev_err(&pdev->dev,
+				"Error in clearing external control\n");
+	}
+}
+
 static struct platform_driver tps65910_driver = {
 	.driver = {
 		.name = "tps65910-pmic",
@@ -997,6 +1286,7 @@ static struct platform_driver tps65910_driver = {
 	},
 	.probe = tps65910_probe,
 	.remove = __devexit_p(tps65910_remove),
+	.shutdown = tps65910_shutdown,
 };
 
 static int __init tps65910_init(void)
@@ -1012,6 +1302,6 @@ static void __exit tps65910_cleanup(void)
 module_exit(tps65910_cleanup);
 
 MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>");
-MODULE_DESCRIPTION("TPS6507x voltage regulator driver");
+MODULE_DESCRIPTION("TPS65910/TPS65911 voltage regulator driver");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:tps65910-pmic");
diff --git a/drivers/regulator/tps65912-regulator.c b/drivers/regulator/tps65912-regulator.c
index da00d88f94b7..b36799b1f530 100644
--- a/drivers/regulator/tps65912-regulator.c
+++ b/drivers/regulator/tps65912-regulator.c
@@ -114,10 +114,7 @@ struct tps65912_reg {
 	struct mutex io_lock;
 	int mode;
 	int (*get_ctrl_reg)(int);
-	int dcdc1_range;
-	int dcdc2_range;
-	int dcdc3_range;
-	int dcdc4_range;
+	int dcdc_range[TPS65912_NUM_DCDC];
 	int pwm_mode_reg;
 	int eco_reg;
 };
@@ -125,46 +122,31 @@ struct tps65912_reg {
 static int tps65912_get_range(struct tps65912_reg *pmic, int id)
 {
 	struct tps65912 *mfd = pmic->mfd;
-
-	if (id > TPS65912_REG_DCDC4)
-		return 0;
+	int range;
 
 	switch (id) {
 	case TPS65912_REG_DCDC1:
-		pmic->dcdc1_range = tps65912_reg_read(mfd,
-							TPS65912_DCDC1_LIMIT);
-		if (pmic->dcdc1_range < 0)
-			return pmic->dcdc1_range;
-		pmic->dcdc1_range = (pmic->dcdc1_range &
-			DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
-		return pmic->dcdc1_range;
+		range = tps65912_reg_read(mfd, TPS65912_DCDC1_LIMIT);
+		break;
 	case TPS65912_REG_DCDC2:
-		pmic->dcdc2_range = tps65912_reg_read(mfd,
-							TPS65912_DCDC2_LIMIT);
-		if (pmic->dcdc2_range < 0)
-			return pmic->dcdc2_range;
-		pmic->dcdc2_range = (pmic->dcdc2_range &
-			DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
-		return pmic->dcdc2_range;
+		range = tps65912_reg_read(mfd, TPS65912_DCDC2_LIMIT);
+		break;
 	case TPS65912_REG_DCDC3:
-		pmic->dcdc3_range = tps65912_reg_read(mfd,
-							TPS65912_DCDC3_LIMIT);
-		if (pmic->dcdc3_range < 0)
-			return pmic->dcdc3_range;
-		pmic->dcdc3_range = (pmic->dcdc3_range &
-			DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
-		return pmic->dcdc3_range;
+		range = tps65912_reg_read(mfd, TPS65912_DCDC3_LIMIT);
+		break;
 	case TPS65912_REG_DCDC4:
-		pmic->dcdc4_range = tps65912_reg_read(mfd,
-							TPS65912_DCDC4_LIMIT);
-		if (pmic->dcdc4_range < 0)
-			return pmic->dcdc4_range;
-		pmic->dcdc4_range = (pmic->dcdc4_range &
-			DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
-		return pmic->dcdc4_range;
+		range = tps65912_reg_read(mfd, TPS65912_DCDC4_LIMIT);
+		break;
 	default:
 		return 0;
 	}
+
+	if (range >= 0)
+		range = (range & DCDC_LIMIT_RANGE_MASK)
+			>> DCDC_LIMIT_RANGE_SHIFT;
+
+	pmic->dcdc_range[id] = range;
+	return range;
 }
 
 static unsigned long tps65912_vsel_to_uv_range0(u8 vsel)
@@ -219,146 +201,30 @@ static unsigned long tps65912_vsel_to_uv_ldo(u8 vsel)
 
 static int tps65912_get_ctrl_register(int id)
 {
-	switch (id) {
-	case TPS65912_REG_DCDC1:
-		return TPS65912_DCDC1_AVS;
-	case TPS65912_REG_DCDC2:
-		return TPS65912_DCDC2_AVS;
-	case TPS65912_REG_DCDC3:
-		return TPS65912_DCDC3_AVS;
-	case TPS65912_REG_DCDC4:
-		return TPS65912_DCDC4_AVS;
-	case TPS65912_REG_LDO1:
-		return TPS65912_LDO1_AVS;
-	case TPS65912_REG_LDO2:
-		return TPS65912_LDO2_AVS;
-	case TPS65912_REG_LDO3:
-		return TPS65912_LDO3_AVS;
-	case TPS65912_REG_LDO4:
-		return TPS65912_LDO4_AVS;
-	case TPS65912_REG_LDO5:
-		return TPS65912_LDO5;
-	case TPS65912_REG_LDO6:
-		return TPS65912_LDO6;
-	case TPS65912_REG_LDO7:
-		return TPS65912_LDO7;
-	case TPS65912_REG_LDO8:
-		return TPS65912_LDO8;
-	case TPS65912_REG_LDO9:
-		return TPS65912_LDO9;
-	case TPS65912_REG_LDO10:
-		return TPS65912_LDO10;
-	default:
+	if (id >= TPS65912_REG_DCDC1 && id <= TPS65912_REG_LDO4)
+		return id * 3 + TPS65912_DCDC1_AVS;
+	else if (id >= TPS65912_REG_LDO5 && id <= TPS65912_REG_LDO10)
+		return id - TPS65912_REG_LDO5 + TPS65912_LDO5;
+	else
 		return -EINVAL;
-	}
 }
 
-static int tps65912_get_dcdc_sel_register(struct tps65912_reg *pmic, int id)
+static int tps65912_get_sel_register(struct tps65912_reg *pmic, int id)
 {
 	struct tps65912 *mfd = pmic->mfd;
-	int opvsel = 0, sr = 0;
+	int opvsel;
 	u8 reg = 0;
 
-	if (id < TPS65912_REG_DCDC1 || id > TPS65912_REG_DCDC4)
-		return -EINVAL;
-
-	switch (id) {
-	case TPS65912_REG_DCDC1:
-		opvsel = tps65912_reg_read(mfd, TPS65912_DCDC1_OP);
-		sr = ((opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT);
-		if (sr)
-			reg = TPS65912_DCDC1_AVS;
-		else
-			reg = TPS65912_DCDC1_OP;
-		break;
-	case TPS65912_REG_DCDC2:
-		opvsel = tps65912_reg_read(mfd, TPS65912_DCDC2_OP);
-		sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
-		if (sr)
-			reg = TPS65912_DCDC2_AVS;
-		else
-			reg = TPS65912_DCDC2_OP;
-		break;
-	case TPS65912_REG_DCDC3:
-		opvsel = tps65912_reg_read(mfd, TPS65912_DCDC3_OP);
-		sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
-		if (sr)
-			reg = TPS65912_DCDC3_AVS;
-		else
-			reg = TPS65912_DCDC3_OP;
-		break;
-	case TPS65912_REG_DCDC4:
-		opvsel = tps65912_reg_read(mfd, TPS65912_DCDC4_OP);
-		sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
-		if (sr)
-			reg = TPS65912_DCDC4_AVS;
+	if (id >= TPS65912_REG_DCDC1 && id <= TPS65912_REG_LDO4) {
+		opvsel = tps65912_reg_read(mfd, id * 3 + TPS65912_DCDC1_OP);
+		if (opvsel & OP_SELREG_MASK)
+			reg = id * 3 + TPS65912_DCDC1_AVS;
 		else
-			reg = TPS65912_DCDC4_OP;
-		break;
-	}
-	return reg;
-}
-
-static int tps65912_get_ldo_sel_register(struct tps65912_reg *pmic, int id)
-{
-	struct tps65912 *mfd = pmic->mfd;
-	int opvsel = 0, sr = 0;
-	u8 reg = 0;
-
-	if (id < TPS65912_REG_LDO1 || id > TPS65912_REG_LDO10)
+			reg = id * 3 + TPS65912_DCDC1_OP;
+	} else if (id >= TPS65912_REG_LDO5 && id <= TPS65912_REG_LDO10) {
+		reg = id - TPS65912_REG_LDO5 + TPS65912_LDO5;
+	} else {
 		return -EINVAL;
-
-	switch (id) {
-	case TPS65912_REG_LDO1:
-		opvsel = tps65912_reg_read(mfd, TPS65912_LDO1_OP);
-		sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
-		if (sr)
-			reg = TPS65912_LDO1_AVS;
-		else
-			reg = TPS65912_LDO1_OP;
-		break;
-	case TPS65912_REG_LDO2:
-		opvsel = tps65912_reg_read(mfd, TPS65912_LDO2_OP);
-		sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
-		if (sr)
-			reg = TPS65912_LDO2_AVS;
-		else
-			reg = TPS65912_LDO2_OP;
-		break;
-	case TPS65912_REG_LDO3:
-		opvsel = tps65912_reg_read(mfd, TPS65912_LDO3_OP);
-		sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
-		if (sr)
-			reg = TPS65912_LDO3_AVS;
-		else
-			reg = TPS65912_LDO3_OP;
-		break;
-	case TPS65912_REG_LDO4:
-		opvsel = tps65912_reg_read(mfd, TPS65912_LDO4_OP);
-		sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
-		if (sr)
-			reg = TPS65912_LDO4_AVS;
-		else
-			reg = TPS65912_LDO4_OP;
-		break;
-	case TPS65912_REG_LDO5:
-		reg = TPS65912_LDO5;
-		break;
-	case TPS65912_REG_LDO6:
-		reg = TPS65912_LDO6;
-		break;
-	case TPS65912_REG_LDO7:
-		reg = TPS65912_LDO7;
-		break;
-	case TPS65912_REG_LDO8:
-		reg = TPS65912_LDO8;
-		break;
-	case TPS65912_REG_LDO9:
-		reg = TPS65912_LDO9;
-		break;
-	case TPS65912_REG_LDO10:
-		reg = TPS65912_LDO10;
-		break;
 	}
 
 	return reg;
@@ -506,151 +372,83 @@ static unsigned int tps65912_get_mode(struct regulator_dev *dev)
 	return mode;
 }
 
-static int tps65912_get_voltage_dcdc(struct regulator_dev *dev)
+static int tps65912_list_voltage_dcdc(struct regulator_dev *dev,
+					unsigned selector)
 {
 	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
-	struct tps65912 *mfd = pmic->mfd;
-	int id = rdev_get_id(dev), voltage = 0, range;
-	int opvsel = 0, avsel = 0, sr, vsel;
+	int range, voltage = 0, id = rdev_get_id(dev);
 
-	switch (id) {
-	case TPS65912_REG_DCDC1:
-		opvsel = tps65912_reg_read(mfd, TPS65912_DCDC1_OP);
-		avsel = tps65912_reg_read(mfd, TPS65912_DCDC1_AVS);
-		range = pmic->dcdc1_range;
-		break;
-	case TPS65912_REG_DCDC2:
-		opvsel = tps65912_reg_read(mfd, TPS65912_DCDC2_OP);
-		avsel = tps65912_reg_read(mfd, TPS65912_DCDC2_AVS);
-		range = pmic->dcdc2_range;
-		break;
-	case TPS65912_REG_DCDC3:
-		opvsel = tps65912_reg_read(mfd, TPS65912_DCDC3_OP);
-		avsel = tps65912_reg_read(mfd, TPS65912_DCDC3_AVS);
-		range = pmic->dcdc3_range;
-		break;
-	case TPS65912_REG_DCDC4:
-		opvsel = tps65912_reg_read(mfd, TPS65912_DCDC4_OP);
-		avsel = tps65912_reg_read(mfd, TPS65912_DCDC4_AVS);
-		range = pmic->dcdc4_range;
-		break;
-	default:
+	if (id > TPS65912_REG_DCDC4)
 		return -EINVAL;
-	}
 
-	sr = (opvsel & OP_SELREG_MASK) >> OP_SELREG_SHIFT;
-	if (sr)
-		vsel = avsel;
-	else
-		vsel = opvsel;
-	vsel &= 0x3F;
+	range = pmic->dcdc_range[id];
 
 	switch (range) {
 	case 0:
 		/* 0.5 - 1.2875V in 12.5mV steps */
-		voltage = tps65912_vsel_to_uv_range0(vsel);
+		voltage = tps65912_vsel_to_uv_range0(selector);
 		break;
 	case 1:
 		/* 0.7 - 1.4875V in 12.5mV steps */
-		voltage = tps65912_vsel_to_uv_range1(vsel);
+		voltage = tps65912_vsel_to_uv_range1(selector);
 		break;
 	case 2:
 		/* 0.5 - 2.075V in 25mV steps */
-		voltage = tps65912_vsel_to_uv_range2(vsel);
+		voltage = tps65912_vsel_to_uv_range2(selector);
 		break;
 	case 3:
 		/* 0.5 - 3.8V in 50mV steps */
-		voltage = tps65912_vsel_to_uv_range3(vsel);
+		voltage = tps65912_vsel_to_uv_range3(selector);
 		break;
 	}
 	return voltage;
 }
 
-static int tps65912_set_voltage_dcdc(struct regulator_dev *dev,
-						unsigned selector)
+static int tps65912_get_voltage_dcdc(struct regulator_dev *dev)
 {
 	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
 	struct tps65912 *mfd = pmic->mfd;
 	int id = rdev_get_id(dev);
-	int value;
-	u8 reg;
-
-	reg = tps65912_get_dcdc_sel_register(pmic, id);
-	value = tps65912_reg_read(mfd, reg);
-	value &= 0xC0;
-	return tps65912_reg_write(mfd, reg, selector | value);
-}
+	int reg, vsel;
 
-static int tps65912_get_voltage_ldo(struct regulator_dev *dev)
-{
-	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
-	struct tps65912 *mfd = pmic->mfd;
-	int id = rdev_get_id(dev);
-	int vsel = 0;
-	u8 reg;
+	reg = tps65912_get_sel_register(pmic, id);
+	if (reg < 0)
+		return reg;
 
-	reg = tps65912_get_ldo_sel_register(pmic, id);
 	vsel = tps65912_reg_read(mfd, reg);
 	vsel &= 0x3F;
 
-	return tps65912_vsel_to_uv_ldo(vsel);
+	return tps65912_list_voltage_dcdc(dev, vsel);
 }
 
-static int tps65912_set_voltage_ldo(struct regulator_dev *dev,
-						unsigned selector)
+static int tps65912_set_voltage_sel(struct regulator_dev *dev,
+					 unsigned selector)
 {
 	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
 	struct tps65912 *mfd = pmic->mfd;
-	int id = rdev_get_id(dev), reg, value;
+	int id = rdev_get_id(dev);
+	int value;
+	u8 reg;
 
-	reg = tps65912_get_ldo_sel_register(pmic, id);
+	reg = tps65912_get_sel_register(pmic, id);
 	value = tps65912_reg_read(mfd, reg);
 	value &= 0xC0;
 	return tps65912_reg_write(mfd, reg, selector | value);
 }
 
-static int tps65912_list_voltage_dcdc(struct regulator_dev *dev,
-					unsigned selector)
+static int tps65912_get_voltage_ldo(struct regulator_dev *dev)
 {
 	struct tps65912_reg *pmic = rdev_get_drvdata(dev);
-	int range, voltage = 0, id = rdev_get_id(dev);
+	struct tps65912 *mfd = pmic->mfd;
+	int id = rdev_get_id(dev);
+	int vsel = 0;
+	u8 reg;
 
-	switch (id) {
-	case TPS65912_REG_DCDC1:
-		range = pmic->dcdc1_range;
-		break;
-	case TPS65912_REG_DCDC2:
-		range = pmic->dcdc2_range;
-		break;
-	case TPS65912_REG_DCDC3:
-		range = pmic->dcdc3_range;
-		break;
-	case TPS65912_REG_DCDC4:
-		range = pmic->dcdc4_range;
-		break;
-	default:
-		return -EINVAL;
-	}
+	reg = tps65912_get_sel_register(pmic, id);
+	vsel = tps65912_reg_read(mfd, reg);
+	vsel &= 0x3F;
 
-	switch (range) {
-	case 0:
-		/* 0.5 - 1.2875V in 12.5mV steps */
-		voltage = tps65912_vsel_to_uv_range0(selector);
-		break;
-	case 1:
-		/* 0.7 - 1.4875V in 12.5mV steps */
-		voltage = tps65912_vsel_to_uv_range1(selector);
-		break;
-	case 2:
-		/* 0.5 - 2.075V in 25mV steps */
-		voltage = tps65912_vsel_to_uv_range2(selector);
-		break;
-	case 3:
-		/* 0.5 - 3.8V in 50mV steps */
-		voltage = tps65912_vsel_to_uv_range3(selector);
-		break;
-	}
-	return voltage;
+	return tps65912_vsel_to_uv_ldo(vsel);
 }
 
 static int tps65912_list_voltage_ldo(struct regulator_dev *dev,
@@ -672,7 +470,7 @@ static struct regulator_ops tps65912_ops_dcdc = {
 	.set_mode = tps65912_set_mode,
 	.get_mode = tps65912_get_mode,
 	.get_voltage = tps65912_get_voltage_dcdc,
-	.set_voltage_sel = tps65912_set_voltage_dcdc,
+	.set_voltage_sel = tps65912_set_voltage_sel,
 	.list_voltage = tps65912_list_voltage_dcdc,
 };
 
@@ -682,7 +480,7 @@ static struct regulator_ops tps65912_ops_ldo = {
 	.enable = tps65912_reg_enable,
 	.disable = tps65912_reg_disable,
 	.get_voltage = tps65912_get_voltage_ldo,
-	.set_voltage_sel = tps65912_set_voltage_ldo,
+	.set_voltage_sel = tps65912_set_voltage_sel,
 	.list_voltage = tps65912_list_voltage_ldo,
 };
 
@@ -770,22 +568,12 @@ static struct platform_driver tps65912_driver = {
 	.remove = __devexit_p(tps65912_remove),
 };
 
-/**
- * tps65912_init
- *
- * Module init function
- */
 static int __init tps65912_init(void)
 {
 	return platform_driver_register(&tps65912_driver);
 }
 subsys_initcall(tps65912_init);
 
-/**
- * tps65912_cleanup
- *
- * Module exit function
- */
 static void __exit tps65912_cleanup(void)
 {
 	platform_driver_unregister(&tps65912_driver);
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 181a2cfe180c..9cdfc389ca26 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -14,8 +14,11 @@
 #include <linux/err.h>
 #include <linux/delay.h>
 #include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
 #include <linux/i2c/twl.h>
 
 
@@ -58,6 +61,16 @@ struct twlreg_info {
 
 	/* chip specific features */
 	unsigned long 		features;
+
+	/*
+	 * optional override functions for voltage set/get
+	 * these are currently only used for SMPS regulators
+	 */
+	int			(*get_voltage)(void *data);
+	int			(*set_voltage)(void *data, int target_uV);
+
+	/* data passed from board for external get/set voltage */
+	void			*data;
 };
 
 
@@ -522,15 +535,25 @@ twl4030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
 	struct twlreg_info *info = rdev_get_drvdata(rdev);
 	int vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
 
-	twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS_4030,
-		vsel);
+	if (info->set_voltage) {
+		return info->set_voltage(info->data, min_uV);
+	} else {
+		twlreg_write(info, TWL_MODULE_PM_RECEIVER,
+			VREG_VOLTAGE_SMPS_4030, vsel);
+	}
+
 	return 0;
 }
 
 static int twl4030smps_get_voltage(struct regulator_dev *rdev)
 {
 	struct twlreg_info *info = rdev_get_drvdata(rdev);
-	int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
+	int vsel;
+
+	if (info->get_voltage)
+		return info->get_voltage(info->data);
+
+	vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
 		VREG_VOLTAGE_SMPS_4030);
 
 	return vsel * 12500 + 600000;
@@ -541,6 +564,32 @@ static struct regulator_ops twl4030smps_ops = {
 	.get_voltage	= twl4030smps_get_voltage,
 };
 
+static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV,
+	int max_uV, unsigned *selector)
+{
+	struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+	if (info->set_voltage)
+		return info->set_voltage(info->data, min_uV);
+
+	return -ENODEV;
+}
+
+static int twl6030coresmps_get_voltage(struct regulator_dev *rdev)
+{
+	struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+	if (info->get_voltage)
+		return info->get_voltage(info->data);
+
+	return -ENODEV;
+}
+
+static struct regulator_ops twl6030coresmps_ops = {
+	.set_voltage	= twl6030coresmps_set_voltage,
+	.get_voltage	= twl6030coresmps_get_voltage,
+};
+
 static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
 {
 	struct twlreg_info	*info = rdev_get_drvdata(rdev);
@@ -755,12 +804,16 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
 	case 0:
 		if (min_uV == 0)
 			vsel = 0;
-		else if ((min_uV >= 600000) && (max_uV <= 1300000)) {
+		else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
+			int calc_uV;
 			vsel = (min_uV - 600000) / 125;
 			if (vsel % 100)
 				vsel += 100;
 			vsel /= 100;
 			vsel++;
+			calc_uV = twl6030smps_list_voltage(rdev, vsel);
+			if (calc_uV > max_uV)
+				return -EINVAL;
 		}
 		/* Values 1..57 for vsel are linear and can be calculated
 		 * values 58..62 are non linear.
@@ -781,12 +834,16 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
 	case SMPS_OFFSET_EN:
 		if (min_uV == 0)
 			vsel = 0;
-		else if ((min_uV >= 700000) && (max_uV <= 1420000)) {
+		else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
+			int calc_uV;
 			vsel = (min_uV - 700000) / 125;
 			if (vsel % 100)
 				vsel += 100;
 			vsel /= 100;
 			vsel++;
+			calc_uV = twl6030smps_list_voltage(rdev, vsel);
+			if (calc_uV > max_uV)
+				return -EINVAL;
 		}
 		/* Values 1..57 for vsel are linear and can be calculated
 		 * values 58..62 are non linear.
@@ -819,7 +876,7 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
 		if (min_uV == 0)
 			vsel = 0;
 		else if ((min_uV >= 2161000) && (max_uV <= 4321000)) {
-			vsel = (min_uV - 1852000) / 386;
+			vsel = (min_uV - 2161000) / 386;
 			if (vsel % 100)
 				vsel += 100;
 			vsel /= 100;
@@ -866,7 +923,8 @@ static struct regulator_ops twlsmps_ops = {
 		TWL_FIXED_LDO(label, offset, mVolts, 0x0, turnon_delay, \
 			0x0, TWL6030, twl6030fixed_ops)
 
-#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) { \
+#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) \
+static struct twlreg_info TWL4030_INFO_##label = { \
 	.base = offset, \
 	.id = num, \
 	.table_len = ARRAY_SIZE(label##_VSEL_table), \
@@ -884,7 +942,7 @@ static struct regulator_ops twlsmps_ops = {
 	}
 
 #define TWL4030_ADJUSTABLE_SMPS(label, offset, num, turnon_delay, remap_conf) \
-	{ \
+static struct twlreg_info TWL4030_INFO_##label = { \
 	.base = offset, \
 	.id = num, \
 	.delay = turnon_delay, \
@@ -898,7 +956,19 @@ static struct regulator_ops twlsmps_ops = {
 		}, \
 	}
 
-#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) { \
+#define TWL6030_ADJUSTABLE_SMPS(label) \
+static struct twlreg_info TWL6030_INFO_##label = { \
+	.desc = { \
+		.name = #label, \
+		.id = TWL6030_REG_##label, \
+		.ops = &twl6030coresmps_ops, \
+		.type = REGULATOR_VOLTAGE, \
+		.owner = THIS_MODULE, \
+		}, \
+	}
+
+#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \
+static struct twlreg_info TWL6030_INFO_##label = { \
 	.base = offset, \
 	.min_mV = min_mVolts, \
 	.max_mV = max_mVolts, \
@@ -912,7 +982,8 @@ static struct regulator_ops twlsmps_ops = {
 		}, \
 	}
 
-#define TWL6025_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) { \
+#define TWL6025_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \
+static struct twlreg_info TWL6025_INFO_##label = { \
 	.base = offset, \
 	.min_mV = min_mVolts, \
 	.max_mV = max_mVolts, \
@@ -927,7 +998,8 @@ static struct regulator_ops twlsmps_ops = {
 	}
 
 #define TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, remap_conf, \
-		family, operations) { \
+		family, operations) \
+static struct twlreg_info TWLFIXED_INFO_##label = { \
 	.base = offset, \
 	.id = num, \
 	.min_mV = mVolts, \
@@ -943,7 +1015,8 @@ static struct regulator_ops twlsmps_ops = {
 		}, \
 	}
 
-#define TWL6030_FIXED_RESOURCE(label, offset, turnon_delay) { \
+#define TWL6030_FIXED_RESOURCE(label, offset, turnon_delay) \
+static struct twlreg_info TWLRES_INFO_##label = { \
 	.base = offset, \
 	.delay = turnon_delay, \
 	.desc = { \
@@ -955,7 +1028,8 @@ static struct regulator_ops twlsmps_ops = {
 		}, \
 	}
 
-#define TWL6025_ADJUSTABLE_SMPS(label, offset) { \
+#define TWL6025_ADJUSTABLE_SMPS(label, offset) \
+static struct twlreg_info TWLSMPS_INFO_##label = { \
 	.base = offset, \
 	.min_mV = 600, \
 	.max_mV = 2100, \
@@ -973,59 +1047,59 @@ static struct regulator_ops twlsmps_ops = {
  * We list regulators here if systems need some level of
  * software control over them after boot.
  */
-static struct twlreg_info twl_regs[] = {
-	TWL4030_ADJUSTABLE_LDO(VAUX1, 0x17, 1, 100, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VAUX2_4030, 0x1b, 2, 100, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VAUX2, 0x1b, 2, 100, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VAUX3, 0x1f, 3, 100, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VAUX4, 0x23, 4, 100, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VMMC1, 0x27, 5, 100, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VMMC2, 0x2b, 6, 100, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VPLL1, 0x2f, 7, 100, 0x00),
-	TWL4030_ADJUSTABLE_LDO(VPLL2, 0x33, 8, 100, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VSIM, 0x37, 9, 100, 0x00),
-	TWL4030_ADJUSTABLE_LDO(VDAC, 0x3b, 10, 100, 0x08),
-	TWL4030_FIXED_LDO(VINTANA1, 0x3f, 1500, 11, 100, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VINTANA2, 0x43, 12, 100, 0x08),
-	TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08),
-	TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08),
-	TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08),
-	TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08),
-	TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08),
-	TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08),
-	TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08),
-	/* VUSBCP is managed *only* by the USB subchip */
-
-	/* 6030 REG with base as PMC Slave Misc : 0x0030 */
-	/* Turnon-delay and remap configuration values for 6030 are not
-	   verified since the specification is not public */
-	TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300),
-	TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300),
-	TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300),
-	TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300),
-	TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300),
-	TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300),
-	TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0),
-	TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0),
-	TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0),
-	TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0),
-	TWL6030_FIXED_RESOURCE(CLK32KG, 0x8C, 0),
-
-	/* 6025 are renamed compared to 6030 versions */
-	TWL6025_ADJUSTABLE_LDO(LDO2, 0x54, 1000, 3300),
-	TWL6025_ADJUSTABLE_LDO(LDO4, 0x58, 1000, 3300),
-	TWL6025_ADJUSTABLE_LDO(LDO3, 0x5c, 1000, 3300),
-	TWL6025_ADJUSTABLE_LDO(LDO5, 0x68, 1000, 3300),
-	TWL6025_ADJUSTABLE_LDO(LDO1, 0x6c, 1000, 3300),
-	TWL6025_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300),
-	TWL6025_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300),
-	TWL6025_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300),
-	TWL6025_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300),
-
-	TWL6025_ADJUSTABLE_SMPS(SMPS3, 0x34),
-	TWL6025_ADJUSTABLE_SMPS(SMPS4, 0x10),
-	TWL6025_ADJUSTABLE_SMPS(VIO, 0x16),
-};
+TWL4030_ADJUSTABLE_LDO(VAUX1, 0x17, 1, 100, 0x08);
+TWL4030_ADJUSTABLE_LDO(VAUX2_4030, 0x1b, 2, 100, 0x08);
+TWL4030_ADJUSTABLE_LDO(VAUX2, 0x1b, 2, 100, 0x08);
+TWL4030_ADJUSTABLE_LDO(VAUX3, 0x1f, 3, 100, 0x08);
+TWL4030_ADJUSTABLE_LDO(VAUX4, 0x23, 4, 100, 0x08);
+TWL4030_ADJUSTABLE_LDO(VMMC1, 0x27, 5, 100, 0x08);
+TWL4030_ADJUSTABLE_LDO(VMMC2, 0x2b, 6, 100, 0x08);
+TWL4030_ADJUSTABLE_LDO(VPLL1, 0x2f, 7, 100, 0x00);
+TWL4030_ADJUSTABLE_LDO(VPLL2, 0x33, 8, 100, 0x08);
+TWL4030_ADJUSTABLE_LDO(VSIM, 0x37, 9, 100, 0x00);
+TWL4030_ADJUSTABLE_LDO(VDAC, 0x3b, 10, 100, 0x08);
+TWL4030_ADJUSTABLE_LDO(VINTANA2, 0x43, 12, 100, 0x08);
+TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08);
+TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08);
+TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08);
+/* VUSBCP is managed *only* by the USB subchip */
+/* 6030 REG with base as PMC Slave Misc : 0x0030 */
+/* Turnon-delay and remap configuration values for 6030 are not
+   verified since the specification is not public */
+TWL6030_ADJUSTABLE_SMPS(VDD1);
+TWL6030_ADJUSTABLE_SMPS(VDD2);
+TWL6030_ADJUSTABLE_SMPS(VDD3);
+TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300);
+TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300);
+TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300);
+TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300);
+TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300);
+TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300);
+/* 6025 are renamed compared to 6030 versions */
+TWL6025_ADJUSTABLE_LDO(LDO2, 0x54, 1000, 3300);
+TWL6025_ADJUSTABLE_LDO(LDO4, 0x58, 1000, 3300);
+TWL6025_ADJUSTABLE_LDO(LDO3, 0x5c, 1000, 3300);
+TWL6025_ADJUSTABLE_LDO(LDO5, 0x68, 1000, 3300);
+TWL6025_ADJUSTABLE_LDO(LDO1, 0x6c, 1000, 3300);
+TWL6025_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300);
+TWL6025_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300);
+TWL6025_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300);
+TWL6025_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300);
+TWL4030_FIXED_LDO(VINTANA2, 0x3f, 1500, 11, 100, 0x08);
+TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08);
+TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08);
+TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08);
+TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08);
+TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0);
+TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0);
+TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0);
+TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0);
+TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0);
+TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0);
+TWL6030_FIXED_RESOURCE(CLK32KG, 0x8C, 0);
+TWL6025_ADJUSTABLE_SMPS(SMPS3, 0x34);
+TWL6025_ADJUSTABLE_SMPS(SMPS4, 0x10);
+TWL6025_ADJUSTABLE_SMPS(VIO, 0x16);
 
 static u8 twl_get_smps_offset(void)
 {
@@ -1045,29 +1119,116 @@ static u8 twl_get_smps_mult(void)
 	return value;
 }
 
+#define TWL_OF_MATCH(comp, family, label) \
+	{ \
+		.compatible = comp, \
+		.data = &family##_INFO_##label, \
+	}
+
+#define TWL4030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL4030, label)
+#define TWL6030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6030, label)
+#define TWL6025_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6025, label)
+#define TWLFIXED_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLFIXED, label)
+#define TWLRES_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLRES, label)
+#define TWLSMPS_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLSMPS, label)
+
+static const struct of_device_id twl_of_match[] __devinitconst = {
+	TWL4030_OF_MATCH("ti,twl4030-vaux1", VAUX1),
+	TWL4030_OF_MATCH("ti,twl4030-vaux2", VAUX2_4030),
+	TWL4030_OF_MATCH("ti,twl5030-vaux2", VAUX2),
+	TWL4030_OF_MATCH("ti,twl4030-vaux3", VAUX3),
+	TWL4030_OF_MATCH("ti,twl4030-vaux4", VAUX4),
+	TWL4030_OF_MATCH("ti,twl4030-vmmc1", VMMC1),
+	TWL4030_OF_MATCH("ti,twl4030-vmmc2", VMMC2),
+	TWL4030_OF_MATCH("ti,twl4030-vpll1", VPLL1),
+	TWL4030_OF_MATCH("ti,twl4030-vpll2", VPLL2),
+	TWL4030_OF_MATCH("ti,twl4030-vsim", VSIM),
+	TWL4030_OF_MATCH("ti,twl4030-vdac", VDAC),
+	TWL4030_OF_MATCH("ti,twl4030-vintana2", VINTANA2),
+	TWL4030_OF_MATCH("ti,twl4030-vio", VIO),
+	TWL4030_OF_MATCH("ti,twl4030-vdd1", VDD1),
+	TWL4030_OF_MATCH("ti,twl4030-vdd2", VDD2),
+	TWL6030_OF_MATCH("ti,twl6030-vdd1", VDD1),
+	TWL6030_OF_MATCH("ti,twl6030-vdd2", VDD2),
+	TWL6030_OF_MATCH("ti,twl6030-vdd3", VDD3),
+	TWL6030_OF_MATCH("ti,twl6030-vaux1", VAUX1_6030),
+	TWL6030_OF_MATCH("ti,twl6030-vaux2", VAUX2_6030),
+	TWL6030_OF_MATCH("ti,twl6030-vaux3", VAUX3_6030),
+	TWL6030_OF_MATCH("ti,twl6030-vmmc", VMMC),
+	TWL6030_OF_MATCH("ti,twl6030-vpp", VPP),
+	TWL6030_OF_MATCH("ti,twl6030-vusim", VUSIM),
+	TWL6025_OF_MATCH("ti,twl6025-ldo2", LDO2),
+	TWL6025_OF_MATCH("ti,twl6025-ldo4", LDO4),
+	TWL6025_OF_MATCH("ti,twl6025-ldo3", LDO3),
+	TWL6025_OF_MATCH("ti,twl6025-ldo5", LDO5),
+	TWL6025_OF_MATCH("ti,twl6025-ldo1", LDO1),
+	TWL6025_OF_MATCH("ti,twl6025-ldo7", LDO7),
+	TWL6025_OF_MATCH("ti,twl6025-ldo6", LDO6),
+	TWL6025_OF_MATCH("ti,twl6025-ldoln", LDOLN),
+	TWL6025_OF_MATCH("ti,twl6025-ldousb", LDOUSB),
+	TWLFIXED_OF_MATCH("ti,twl4030-vintana2", VINTANA2),
+	TWLFIXED_OF_MATCH("ti,twl4030-vintdig", VINTDIG),
+	TWLFIXED_OF_MATCH("ti,twl4030-vusb1v5", VUSB1V5),
+	TWLFIXED_OF_MATCH("ti,twl4030-vusb1v8", VUSB1V8),
+	TWLFIXED_OF_MATCH("ti,twl4030-vusb3v1", VUSB3V1),
+	TWLFIXED_OF_MATCH("ti,twl6030-vana", VANA),
+	TWLFIXED_OF_MATCH("ti,twl6030-vcxio", VCXIO),
+	TWLFIXED_OF_MATCH("ti,twl6030-vdac", VDAC),
+	TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB),
+	TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8),
+	TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1),
+	TWLRES_OF_MATCH("ti,twl6030-clk32kg", CLK32KG),
+	TWLSMPS_OF_MATCH("ti,twl6025-smps3", SMPS3),
+	TWLSMPS_OF_MATCH("ti,twl6025-smps4", SMPS4),
+	TWLSMPS_OF_MATCH("ti,twl6025-vio", VIO),
+	{},
+};
+MODULE_DEVICE_TABLE(of, twl_of_match);
+
 static int __devinit twlreg_probe(struct platform_device *pdev)
 {
-	int				i;
+	int				i, id;
 	struct twlreg_info		*info;
 	struct regulator_init_data	*initdata;
 	struct regulation_constraints	*c;
 	struct regulator_dev		*rdev;
-
-	for (i = 0, info = NULL; i < ARRAY_SIZE(twl_regs); i++) {
-		if (twl_regs[i].desc.id != pdev->id)
-			continue;
-		info = twl_regs + i;
-		break;
+	struct twl_regulator_driver_data	*drvdata;
+	const struct of_device_id	*match;
+
+	match = of_match_device(twl_of_match, &pdev->dev);
+	if (match) {
+		info = match->data;
+		id = info->desc.id;
+		initdata = of_get_regulator_init_data(&pdev->dev,
+						      pdev->dev.of_node);
+		drvdata = NULL;
+	} else {
+		id = pdev->id;
+		initdata = pdev->dev.platform_data;
+		for (i = 0, info = NULL; i < ARRAY_SIZE(twl_of_match); i++) {
+			info = twl_of_match[i].data;
+			if (!info || info->desc.id != id)
+				continue;
+			break;
+		}
+		drvdata = initdata->driver_data;
+		if (!drvdata)
+			return -EINVAL;
 	}
+
 	if (!info)
 		return -ENODEV;
 
-	initdata = pdev->dev.platform_data;
 	if (!initdata)
 		return -EINVAL;
 
-	/* copy the features into regulator data */
-	info->features = (unsigned long)initdata->driver_data;
+	if (drvdata) {
+		/* copy the driver data into regulator data */
+		info->features = drvdata->features;
+		info->data = drvdata->data;
+		info->set_voltage = drvdata->set_voltage;
+		info->get_voltage = drvdata->get_voltage;
+	}
 
 	/* Constrain board-specific capabilities according to what
 	 * this driver and the chip itself can actually do.
@@ -1077,7 +1238,7 @@ static int __devinit twlreg_probe(struct platform_device *pdev)
 	c->valid_ops_mask &= REGULATOR_CHANGE_VOLTAGE
 				| REGULATOR_CHANGE_MODE
 				| REGULATOR_CHANGE_STATUS;
-	switch (pdev->id) {
+	switch (id) {
 	case TWL4030_REG_VIO:
 	case TWL4030_REG_VDD1:
 	case TWL4030_REG_VDD2:
@@ -1091,7 +1252,7 @@ static int __devinit twlreg_probe(struct platform_device *pdev)
 		break;
 	}
 
-	switch (pdev->id) {
+	switch (id) {
 	case TWL6025_REG_SMPS3:
 		if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3)
 			info->flags |= SMPS_EXTENDED_EN;
@@ -1112,7 +1273,8 @@ static int __devinit twlreg_probe(struct platform_device *pdev)
 		break;
 	}
 
-	rdev = regulator_register(&info->desc, &pdev->dev, initdata, info, NULL);
+	rdev = regulator_register(&info->desc, &pdev->dev, initdata, info,
+							pdev->dev.of_node);
 	if (IS_ERR(rdev)) {
 		dev_err(&pdev->dev, "can't register %s, %ld\n",
 				info->desc.name, PTR_ERR(rdev));
@@ -1149,8 +1311,11 @@ static struct platform_driver twlreg_driver = {
 	/* NOTE: short name, to work around driver model truncation of
 	 * "twl_regulator.12" (and friends) to "twl_regulator.1".
 	 */
-	.driver.name	= "twl_reg",
-	.driver.owner	= THIS_MODULE,
+	.driver  = {
+		.name  = "twl_reg",
+		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(twl_of_match),
+	},
 };
 
 static int __init twlreg_init(void)
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 6894009d815a..ab1e183a74b5 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -186,7 +186,7 @@ static int wm8350_isink_get_current(struct regulator_dev *rdev)
 		return 0;
 	}
 
-	return (isink_cur[val] + 50) / 100;
+	return DIV_ROUND_CLOSEST(isink_cur[val], 100);
 }
 
 /* turn on ISINK followed by DCDC */
@@ -1544,7 +1544,7 @@ int wm8350_register_led(struct wm8350 *wm8350, int lednum, int dcdc, int isink,
 		return -ENOMEM;
 	}
 
-	led->isink_consumer.dev = &pdev->dev;
+	led->isink_consumer.dev_name = dev_name(&pdev->dev);
 	led->isink_consumer.supply = "led_isink";
 	led->isink_init.num_consumer_supplies = 1;
 	led->isink_init.consumer_supplies = &led->isink_consumer;
@@ -1559,7 +1559,7 @@ int wm8350_register_led(struct wm8350 *wm8350, int lednum, int dcdc, int isink,
 		return ret;
 	}
 
-	led->dcdc_consumer.dev = &pdev->dev;
+	led->dcdc_consumer.dev_name = dev_name(&pdev->dev);
 	led->dcdc_consumer.supply = "led_vcc";
 	led->dcdc_init.num_consumer_supplies = 1;
 	led->dcdc_init.consumer_supplies = &led->dcdc_consumer;
diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c
index 706f39563a7b..8477153780b6 100644
--- a/drivers/regulator/wm8400-regulator.c
+++ b/drivers/regulator/wm8400-regulator.c
@@ -78,14 +78,14 @@ static int wm8400_ldo_set_voltage(struct regulator_dev *dev,
 
 	if (min_uV < 1700000) {
 		/* Steps of 50mV from 900mV;  */
-		val = (min_uV - 850001) / 50000;
+		val = DIV_ROUND_UP(min_uV - 900000, 50000);
 
 		if ((val * 50000) + 900000 > max_uV)
 			return -EINVAL;
 		BUG_ON((val * 50000) + 900000 < min_uV);
 	} else {
 		/* Steps of 100mV from 1700mV */
-		val = ((min_uV - 1600001) / 100000);
+		val = DIV_ROUND_UP(min_uV - 1700000, 100000);
 
 		if ((val * 100000) + 1700000 > max_uV)
 			return -EINVAL;
@@ -168,7 +168,7 @@ static int wm8400_dcdc_set_voltage(struct regulator_dev *dev,
 	if (min_uV < 850000)
 		return -EINVAL;
 
-	val = (min_uV - 825001) / 25000;
+	val = DIV_ROUND_UP(min_uV - 850000, 25000);
 
 	if (850000 + (25000 * val) > max_uV)
 		return -EINVAL;
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 435e335d6e67..75ed402d9f43 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -241,7 +241,7 @@ static __devinit int wm8994_ldo_probe(struct platform_device *pdev)
 	if (!pdata)
 		return -ENODEV;
 
-	ldo = kzalloc(sizeof(struct wm8994_ldo), GFP_KERNEL);
+	ldo = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_ldo), GFP_KERNEL);
 	if (ldo == NULL) {
 		dev_err(&pdev->dev, "Unable to allocate private data\n");
 		return -ENOMEM;
@@ -285,7 +285,6 @@ err_gpio:
 	if (gpio_is_valid(ldo->enable))
 		gpio_free(ldo->enable);
 err:
-	kfree(ldo);
 	return ret;
 }
 
@@ -298,7 +297,6 @@ static __devexit int wm8994_ldo_remove(struct platform_device *pdev)
 	regulator_unregister(ldo->regulator);
 	if (gpio_is_valid(ldo->enable))
 		gpio_free(ldo->enable);
-	kfree(ldo);
 
 	return 0;
 }
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index f980600f78a8..2fe9e90e53d9 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -1736,7 +1736,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
 						(uint32_t ) cmd->cmnd[8];
 						/* 4 bytes: Areca io control code */
 	sg = scsi_sglist(cmd);
-	buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
+	buffer = kmap_atomic(sg_page(sg)) + sg->offset;
 	if (scsi_sg_count(cmd) > 1) {
 		retvalue = ARCMSR_MESSAGE_FAIL;
 		goto message_out;
@@ -1985,7 +1985,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
 	}
 	message_out:
 	sg = scsi_sglist(cmd);
-	kunmap_atomic(buffer - sg->offset, KM_IRQ0);
+	kunmap_atomic(buffer - sg->offset);
 	return retvalue;
 }
 
@@ -2035,11 +2035,11 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
 		strncpy(&inqdata[32], "R001", 4); /* Product Revision */
 
 		sg = scsi_sglist(cmd);
-		buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
+		buffer = kmap_atomic(sg_page(sg)) + sg->offset;
 
 		memcpy(buffer, inqdata, sizeof(inqdata));
 		sg = scsi_sglist(cmd);
-		kunmap_atomic(buffer - sg->offset, KM_IRQ0);
+		kunmap_atomic(buffer - sg->offset);
 
 		cmd->scsi_done(cmd);
 	}
diff --git a/drivers/scsi/bnx2fc/bnx2fc_constants.h b/drivers/scsi/bnx2fc/bnx2fc_constants.h
index c12702bb16d6..dad9924abbbb 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_constants.h
+++ b/drivers/scsi/bnx2fc/bnx2fc_constants.h
@@ -47,6 +47,7 @@
 #define FCOE_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE	(0x4)
 #define FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR			(0x5)
 #define FCOE_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION   (0x6)
+#define FCOE_KCQE_COMPLETION_STATUS_PARITY_ERROR	(0x81)
 
 /* CQE type */
 #define FCOE_PENDING_CQE_TYPE			0
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 8c6156a10d90..a9af42e83632 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -322,8 +322,7 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
 			return -ENOMEM;
 		}
 		frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
-		cp = kmap_atomic(skb_frag_page(frag), KM_SKB_DATA_SOFTIRQ)
-				+ frag->page_offset;
+		cp = kmap_atomic(skb_frag_page(frag)) + frag->page_offset;
 	} else {
 		cp = (struct fcoe_crc_eof *)skb_put(skb, tlen);
 	}
@@ -332,7 +331,7 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
 	cp->fcoe_eof = eof;
 	cp->fcoe_crc32 = cpu_to_le32(~crc);
 	if (skb_is_nonlinear(skb)) {
-		kunmap_atomic(cp, KM_SKB_DATA_SOFTIRQ);
+		kunmap_atomic(cp);
 		cp = NULL;
 	}
 
diff --git a/drivers/scsi/bnx2i/57xx_iscsi_constants.h b/drivers/scsi/bnx2i/57xx_iscsi_constants.h
index 57515f1f1690..495a841645f9 100644
--- a/drivers/scsi/bnx2i/57xx_iscsi_constants.h
+++ b/drivers/scsi/bnx2i/57xx_iscsi_constants.h
@@ -122,6 +122,7 @@
 #define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED              (0x51)
 
 #define ISCSI_KCQE_COMPLETION_STATUS_CID_BUSY				(0x80)
+#define ISCSI_KCQE_COMPLETION_STATUS_PARITY_ERR                         (0x81)
 
 /* SQ/RQ/CQ DB structure sizes */
 #define ISCSI_SQ_DB_SIZE    (16)
diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index d3ff9cd40234..89afd6d21d89 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -1956,12 +1956,11 @@ int cxgbi_conn_init_pdu(struct iscsi_task *task, unsigned int offset,
 
 			/* data fits in the skb's headroom */
 			for (i = 0; i < tdata->nr_frags; i++, frag++) {
-				char *src = kmap_atomic(frag->page,
-							KM_SOFTIRQ0);
+				char *src = kmap_atomic(frag->page);
 
 				memcpy(dst, src+frag->offset, frag->size);
 				dst += frag->size;
-				kunmap_atomic(src, KM_SOFTIRQ0);
+				kunmap_atomic(src);
 			}
 			if (padlen) {
 				memset(dst, 0, padlen);
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index c164890224d2..cc75cbea936b 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1515,7 +1515,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
 			return -ENOMEM;
 		}
 		frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
-		cp = kmap_atomic(skb_frag_page(frag), KM_SKB_DATA_SOFTIRQ)
+		cp = kmap_atomic(skb_frag_page(frag))
 			+ frag->page_offset;
 	} else {
 		cp = (struct fcoe_crc_eof *)skb_put(skb, tlen);
@@ -1526,7 +1526,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
 	cp->fcoe_crc32 = cpu_to_le32(~crc);
 
 	if (skb_is_nonlinear(skb)) {
-		kunmap_atomic(cp, KM_SKB_DATA_SOFTIRQ);
+		kunmap_atomic(cp);
 		cp = NULL;
 	}
 
diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c
index bd97b2273f20..4d119a326d3b 100644
--- a/drivers/scsi/fcoe/fcoe_transport.c
+++ b/drivers/scsi/fcoe/fcoe_transport.c
@@ -210,10 +210,9 @@ u32 fcoe_fc_crc(struct fc_frame *fp)
 		while (len > 0) {
 			clen = min(len, PAGE_SIZE - (off & ~PAGE_MASK));
 			data = kmap_atomic(
-				skb_frag_page(frag) + (off >> PAGE_SHIFT),
-				KM_SKB_DATA_SOFTIRQ);
+				skb_frag_page(frag) + (off >> PAGE_SHIFT));
 			crc = crc32(crc, data + (off & ~PAGE_MASK), clen);
-			kunmap_atomic(data, KM_SKB_DATA_SOFTIRQ);
+			kunmap_atomic(data);
 			off += clen;
 			len -= clen;
 		}
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 3242bcabad97..d42ec921de46 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -2310,10 +2310,10 @@ static void gdth_copy_internal_data(gdth_ha_str *ha, Scsi_Cmnd *scp,
                 return;
             }
             local_irq_save(flags);
-            address = kmap_atomic(sg_page(sl), KM_BIO_SRC_IRQ) + sl->offset;
+            address = kmap_atomic(sg_page(sl)) + sl->offset;
             memcpy(address, buffer, cpnow);
             flush_dcache_page(sg_page(sl));
-            kunmap_atomic(address, KM_BIO_SRC_IRQ);
+            kunmap_atomic(address);
             local_irq_restore(flags);
             if (cpsum == cpcount)
                 break;
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index d77891e5683b..b6d7a5c2fc94 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -1511,14 +1511,14 @@ static int ips_is_passthru(struct scsi_cmnd *SC)
                 /* kmap_atomic() ensures addressability of the user buffer.*/
                 /* local_irq_save() protects the KM_IRQ0 address slot.     */
                 local_irq_save(flags);
-                buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
+                buffer = kmap_atomic(sg_page(sg)) + sg->offset;
                 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
                     buffer[2] == 'P' && buffer[3] == 'P') {
-                        kunmap_atomic(buffer - sg->offset, KM_IRQ0);
+                        kunmap_atomic(buffer - sg->offset);
                         local_irq_restore(flags);
                         return 1;
                 }
-                kunmap_atomic(buffer - sg->offset, KM_IRQ0);
+                kunmap_atomic(buffer - sg->offset);
                 local_irq_restore(flags);
 	}
 	return 0;
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index 192cb48d849a..ee0dc05c6269 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -1304,9 +1304,9 @@ sci_stp_request_pio_data_in_copy_data_buffer(struct isci_stp_request *stp_req,
 			struct page *page = sg_page(sg);
 
 			copy_len = min_t(int, total_len, sg_dma_len(sg));
-			kaddr = kmap_atomic(page, KM_IRQ0);
+			kaddr = kmap_atomic(page);
 			memcpy(kaddr + sg->offset, src_addr, copy_len);
-			kunmap_atomic(kaddr, KM_IRQ0);
+			kunmap_atomic(kaddr);
 			total_len -= copy_len;
 			src_addr += copy_len;
 			sg = sg_next(sg);
@@ -1654,7 +1654,7 @@ sci_io_request_frame_handler(struct isci_request *ireq,
 		sci_unsolicited_frame_control_get_header(&ihost->uf_control,
 							 frame_index,
 							 &frame_header);
-		kaddr = kmap_atomic(sg_page(sg), KM_IRQ0);
+		kaddr = kmap_atomic(sg_page(sg));
 		rsp = kaddr + sg->offset;
 		sci_swab32_cpy(rsp, frame_header, 1);
 
@@ -1691,7 +1691,7 @@ sci_io_request_frame_handler(struct isci_request *ireq,
 			ireq->sci_status = SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR;
 			sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
 		}
-		kunmap_atomic(kaddr, KM_IRQ0);
+		kunmap_atomic(kaddr);
 
 		sci_controller_release_frame(ihost, frame_index);
 
@@ -3023,10 +3023,10 @@ static void isci_request_io_request_complete(struct isci_host *ihost,
 		dma_unmap_sg(&ihost->pdev->dev, sg, 1, DMA_TO_DEVICE);
 
 		/* need to swab it back in case the command buffer is re-used */
-		kaddr = kmap_atomic(sg_page(sg), KM_IRQ0);
+		kaddr = kmap_atomic(sg_page(sg));
 		smp_req = kaddr + sg->offset;
 		sci_swab32_cpy(smp_req, smp_req, sg->length / sizeof(u32));
-		kunmap_atomic(kaddr, KM_IRQ0);
+		kunmap_atomic(kaddr);
 		break;
 	}
 	default:
@@ -3311,7 +3311,7 @@ sci_io_request_construct_smp(struct device *dev,
 	u8 req_len;
 	u32 cmd;
 
-	kaddr = kmap_atomic(sg_page(sg), KM_IRQ0);
+	kaddr = kmap_atomic(sg_page(sg));
 	smp_req = kaddr + sg->offset;
 	/*
 	 * Look at the SMP requests' header fields; for certain SAS 1.x SMP
@@ -3337,7 +3337,7 @@ sci_io_request_construct_smp(struct device *dev,
 	req_len = smp_req->req_len;
 	sci_swab32_cpy(smp_req, smp_req, sg->length / sizeof(u32));
 	cmd = *(u32 *) smp_req;
-	kunmap_atomic(kaddr, KM_IRQ0);
+	kunmap_atomic(kaddr);
 
 	if (!dma_map_sg(dev, sg, 1, DMA_TO_DEVICE))
 		return SCI_FAILURE;
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index f607314810ac..b577c907b318 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -485,11 +485,11 @@ static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
 
 	if (!(fr_flags(fp) & FCPHF_CRC_UNCHECKED)) {
 		copy_len = fc_copy_buffer_to_sglist(buf, len, sg, &nents,
-						    &offset, KM_SOFTIRQ0, NULL);
+						    &offset, NULL);
 	} else {
 		crc = crc32(~0, (u8 *) fh, sizeof(*fh));
 		copy_len = fc_copy_buffer_to_sglist(buf, len, sg, &nents,
-						    &offset, KM_SOFTIRQ0, &crc);
+						    &offset, &crc);
 		buf = fc_frame_payload_get(fp, 0);
 		if (len % 4)
 			crc = crc32(crc, buf + len, 4 - (len % 4));
@@ -650,10 +650,10 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq,
 			 * The scatterlist item may be bigger than PAGE_SIZE,
 			 * but we must not cross pages inside the kmap.
 			 */
-			page_addr = kmap_atomic(page, KM_SOFTIRQ0);
+			page_addr = kmap_atomic(page);
 			memcpy(data, (char *)page_addr + (off & ~PAGE_MASK),
 			       sg_bytes);
-			kunmap_atomic(page_addr, KM_SOFTIRQ0);
+			kunmap_atomic(page_addr);
 			data += sg_bytes;
 		}
 		offset += sg_bytes;
diff --git a/drivers/scsi/libfc/fc_libfc.c b/drivers/scsi/libfc/fc_libfc.c
index 1bf9841ef154..8d65a51a7598 100644
--- a/drivers/scsi/libfc/fc_libfc.c
+++ b/drivers/scsi/libfc/fc_libfc.c
@@ -105,14 +105,13 @@ module_exit(libfc_exit);
  * @sg: pointer to the pointer of the SG list.
  * @nents: pointer to the remaining number of entries in the SG list.
  * @offset: pointer to the current offset in the SG list.
- * @km_type: dedicated page table slot type for kmap_atomic.
  * @crc: pointer to the 32-bit crc value.
  *	 If crc is NULL, CRC is not calculated.
  */
 u32 fc_copy_buffer_to_sglist(void *buf, size_t len,
 			     struct scatterlist *sg,
 			     u32 *nents, size_t *offset,
-			     enum km_type km_type, u32 *crc)
+			     u32 *crc)
 {
 	size_t remaining = len;
 	u32 copy_len = 0;
@@ -142,12 +141,11 @@ u32 fc_copy_buffer_to_sglist(void *buf, size_t len,
 		off = *offset + sg->offset;
 		sg_bytes = min(sg_bytes,
 			       (size_t)(PAGE_SIZE - (off & ~PAGE_MASK)));
-		page_addr = kmap_atomic(sg_page(sg) + (off >> PAGE_SHIFT),
-					km_type);
+		page_addr = kmap_atomic(sg_page(sg) + (off >> PAGE_SHIFT));
 		if (crc)
 			*crc = crc32(*crc, buf, sg_bytes);
 		memcpy((char *)page_addr + (off & ~PAGE_MASK), buf, sg_bytes);
-		kunmap_atomic(page_addr, km_type);
+		kunmap_atomic(page_addr);
 		buf += sg_bytes;
 		*offset += sg_bytes;
 		remaining -= sg_bytes;
diff --git a/drivers/scsi/libfc/fc_libfc.h b/drivers/scsi/libfc/fc_libfc.h
index c7d071289af5..c2830cc66d6a 100644
--- a/drivers/scsi/libfc/fc_libfc.h
+++ b/drivers/scsi/libfc/fc_libfc.h
@@ -134,6 +134,6 @@ extern void fc_fc4_conf_lport_params(struct fc_lport *, enum fc_fh_type);
 u32 fc_copy_buffer_to_sglist(void *buf, size_t len,
 			     struct scatterlist *sg,
 			     u32 *nents, size_t *offset,
-			     enum km_type km_type, u32 *crc);
+			     u32 *crc);
 
 #endif /* _FC_LIBFC_H_ */
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index 83750ebb527f..c1a808cc5920 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -1698,7 +1698,7 @@ static void fc_lport_bsg_resp(struct fc_seq *sp, struct fc_frame *fp,
 
 	job->reply->reply_payload_rcv_len +=
 		fc_copy_buffer_to_sglist(buf, len, info->sg, &info->nents,
-					 &info->offset, KM_BIO_SRC_IRQ, NULL);
+					 &info->offset, NULL);
 
 	if (fr_eof(fp) == FC_EOF_T &&
 	    (ntoh24(fh->fh_f_ctl) & (FC_FC_LAST_SEQ | FC_FC_END_SEQ)) ==
diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index 5715a3d0a3d3..7f0465b9623e 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -135,7 +135,7 @@ static void iscsi_tcp_segment_map(struct iscsi_segment *segment, int recv)
 
 	if (recv) {
 		segment->atomic_mapped = true;
-		segment->sg_mapped = kmap_atomic(sg_page(sg), KM_SOFTIRQ0);
+		segment->sg_mapped = kmap_atomic(sg_page(sg));
 	} else {
 		segment->atomic_mapped = false;
 		/* the xmit path can sleep with the page mapped so use kmap */
@@ -149,7 +149,7 @@ void iscsi_tcp_segment_unmap(struct iscsi_segment *segment)
 {
 	if (segment->sg_mapped) {
 		if (segment->atomic_mapped)
-			kunmap_atomic(segment->sg_mapped, KM_SOFTIRQ0);
+			kunmap_atomic(segment->sg_mapped);
 		else
 			kunmap(sg_page(segment->sg));
 		segment->sg_mapped = NULL;
diff --git a/drivers/scsi/libsas/sas_host_smp.c b/drivers/scsi/libsas/sas_host_smp.c
index bb8f49269a68..3814d3eed401 100644
--- a/drivers/scsi/libsas/sas_host_smp.c
+++ b/drivers/scsi/libsas/sas_host_smp.c
@@ -246,9 +246,9 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
 	}
 
 	local_irq_disable();
-	buf = kmap_atomic(bio_page(req->bio), KM_USER0) + bio_offset(req->bio);
+	buf = kmap_atomic(bio_page(req->bio));
 	memcpy(req_data, buf, blk_rq_bytes(req));
-	kunmap_atomic(buf - bio_offset(req->bio), KM_USER0);
+	kunmap_atomic(buf - bio_offset(req->bio));
 	local_irq_enable();
 
 	if (req_data[0] != SMP_REQUEST)
@@ -361,10 +361,10 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
 	}
 
 	local_irq_disable();
-	buf = kmap_atomic(bio_page(rsp->bio), KM_USER0) + bio_offset(rsp->bio);
+	buf = kmap_atomic(bio_page(rsp->bio));
 	memcpy(buf, resp_data, blk_rq_bytes(rsp));
 	flush_kernel_dcache_page(bio_page(rsp->bio));
-	kunmap_atomic(buf - bio_offset(rsp->bio), KM_USER0);
+	kunmap_atomic(buf - bio_offset(rsp->bio));
 	local_irq_enable();
 
  out:
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 15eefa1d61fd..4d39a9ffc081 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -670,10 +670,10 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy)
 			struct scatterlist *sg;
 
 			sg = scsi_sglist(cmd);
-			buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
+			buf = kmap_atomic(sg_page(sg)) + sg->offset;
 
 			memset(buf, 0, cmd->cmnd[4]);
-			kunmap_atomic(buf - sg->offset, KM_IRQ0);
+			kunmap_atomic(buf - sg->offset);
 
 			cmd->result = (DID_OK << 16);
 			cmd->scsi_done(cmd);
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index a4884a57cf79..01ab9c4d3464 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -1885,11 +1885,11 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags)
 	case SAS_PROTOCOL_SMP: {
 			struct scatterlist *sg_resp = &task->smp_task.smp_resp;
 			tstat->stat = SAM_STAT_GOOD;
-			to = kmap_atomic(sg_page(sg_resp), KM_IRQ0);
+			to = kmap_atomic(sg_page(sg_resp));
 			memcpy(to + sg_resp->offset,
 				slot->response + sizeof(struct mvs_err_info),
 				sg_dma_len(sg_resp));
-			kunmap_atomic(to, KM_IRQ0);
+			kunmap_atomic(to);
 			break;
 		}
 
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 6888b2ca5bfc..68da6c092f65 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -1778,7 +1778,7 @@ static int prot_verify_read(struct scsi_cmnd *SCpnt, sector_t start_sec,
 	scsi_for_each_prot_sg(SCpnt, psgl, scsi_prot_sg_count(SCpnt), i) {
 		int len = min(psgl->length, resid);
 
-		paddr = kmap_atomic(sg_page(psgl), KM_IRQ0) + psgl->offset;
+		paddr = kmap_atomic(sg_page(psgl)) + psgl->offset;
 		memcpy(paddr, dif_storep + dif_offset(sector), len);
 
 		sector += len >> 3;
@@ -1788,7 +1788,7 @@ static int prot_verify_read(struct scsi_cmnd *SCpnt, sector_t start_sec,
 			sector = do_div(tmp_sec, sdebug_store_sectors);
 		}
 		resid -= len;
-		kunmap_atomic(paddr, KM_IRQ0);
+		kunmap_atomic(paddr);
 	}
 
 	dix_reads++;
@@ -1881,12 +1881,12 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec,
 	BUG_ON(scsi_sg_count(SCpnt) == 0);
 	BUG_ON(scsi_prot_sg_count(SCpnt) == 0);
 
-	paddr = kmap_atomic(sg_page(psgl), KM_IRQ1) + psgl->offset;
+	paddr = kmap_atomic(sg_page(psgl)) + psgl->offset;
 	ppage_offset = 0;
 
 	/* For each data page */
 	scsi_for_each_sg(SCpnt, dsgl, scsi_sg_count(SCpnt), i) {
-		daddr = kmap_atomic(sg_page(dsgl), KM_IRQ0) + dsgl->offset;
+		daddr = kmap_atomic(sg_page(dsgl)) + dsgl->offset;
 
 		/* For each sector-sized chunk in data page */
 		for (j = 0 ; j < dsgl->length ; j += scsi_debug_sector_size) {
@@ -1895,10 +1895,10 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec,
 			 * protection page advance to the next one
 			 */
 			if (ppage_offset >= psgl->length) {
-				kunmap_atomic(paddr, KM_IRQ1);
+				kunmap_atomic(paddr);
 				psgl = sg_next(psgl);
 				BUG_ON(psgl == NULL);
-				paddr = kmap_atomic(sg_page(psgl), KM_IRQ1)
+				paddr = kmap_atomic(sg_page(psgl))
 					+ psgl->offset;
 				ppage_offset = 0;
 			}
@@ -1971,10 +1971,10 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec,
 			ppage_offset += sizeof(struct sd_dif_tuple);
 		}
 
-		kunmap_atomic(daddr, KM_IRQ0);
+		kunmap_atomic(daddr);
 	}
 
-	kunmap_atomic(paddr, KM_IRQ1);
+	kunmap_atomic(paddr);
 
 	dix_writes++;
 
@@ -1982,8 +1982,8 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec,
 
 out:
 	dif_errors++;
-	kunmap_atomic(daddr, KM_IRQ0);
-	kunmap_atomic(paddr, KM_IRQ1);
+	kunmap_atomic(daddr);
+	kunmap_atomic(paddr);
 	return ret;
 }
 
@@ -2303,7 +2303,7 @@ static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,
 
 	offset = 0;
 	for_each_sg(sdb->table.sgl, sg, sdb->table.nents, i) {
-		kaddr = (unsigned char *)kmap_atomic(sg_page(sg), KM_USER0);
+		kaddr = (unsigned char *)kmap_atomic(sg_page(sg));
 		if (!kaddr)
 			goto out;
 
@@ -2311,7 +2311,7 @@ static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,
 			*(kaddr + sg->offset + j) ^= *(buf + offset + j);
 
 		offset += sg->length;
-		kunmap_atomic(kaddr, KM_USER0);
+		kunmap_atomic(kaddr);
 	}
 	ret = 0;
 out:
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index b2c95dbe9d65..a33b2b66da67 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2567,7 +2567,7 @@ void *scsi_kmap_atomic_sg(struct scatterlist *sgl, int sg_count,
 	if (*len > sg_len)
 		*len = sg_len;
 
-	return kmap_atomic(page, KM_BIO_SRC_IRQ);
+	return kmap_atomic(page);
 }
 EXPORT_SYMBOL(scsi_kmap_atomic_sg);
 
@@ -2577,6 +2577,6 @@ EXPORT_SYMBOL(scsi_kmap_atomic_sg);
  */
 void scsi_kunmap_atomic_sg(void *virt)
 {
-	kunmap_atomic(virt, KM_BIO_SRC_IRQ);
+	kunmap_atomic(virt);
 }
 EXPORT_SYMBOL(scsi_kunmap_atomic_sg);
diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
index f8fb2d691c0a..e52d5bc42bc4 100644
--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -392,7 +392,7 @@ int sd_dif_prepare(struct request *rq, sector_t hw_sector, unsigned int sector_s
 		virt = bio->bi_integrity->bip_sector & 0xffffffff;
 
 		bip_for_each_vec(iv, bio->bi_integrity, i) {
-			sdt = kmap_atomic(iv->bv_page, KM_USER0)
+			sdt = kmap_atomic(iv->bv_page)
 				+ iv->bv_offset;
 
 			for (j = 0 ; j < iv->bv_len ; j += tuple_sz, sdt++) {
@@ -405,7 +405,7 @@ int sd_dif_prepare(struct request *rq, sector_t hw_sector, unsigned int sector_s
 				phys++;
 			}
 
-			kunmap_atomic(sdt, KM_USER0);
+			kunmap_atomic(sdt);
 		}
 
 		bio->bi_flags |= (1 << BIO_MAPPED_INTEGRITY);
@@ -414,7 +414,7 @@ int sd_dif_prepare(struct request *rq, sector_t hw_sector, unsigned int sector_s
 	return 0;
 
 error:
-	kunmap_atomic(sdt, KM_USER0);
+	kunmap_atomic(sdt);
 	sd_printk(KERN_ERR, sdkp, "%s: virt %u, phys %u, ref %u, app %4x\n",
 		  __func__, virt, phys, be32_to_cpu(sdt->ref_tag),
 		  be16_to_cpu(sdt->app_tag));
@@ -453,13 +453,13 @@ void sd_dif_complete(struct scsi_cmnd *scmd, unsigned int good_bytes)
 		virt = bio->bi_integrity->bip_sector & 0xffffffff;
 
 		bip_for_each_vec(iv, bio->bi_integrity, i) {
-			sdt = kmap_atomic(iv->bv_page, KM_USER0)
+			sdt = kmap_atomic(iv->bv_page)
 				+ iv->bv_offset;
 
 			for (j = 0 ; j < iv->bv_len ; j += tuple_sz, sdt++) {
 
 				if (sectors == 0) {
-					kunmap_atomic(sdt, KM_USER0);
+					kunmap_atomic(sdt);
 					return;
 				}
 
@@ -474,7 +474,7 @@ void sd_dif_complete(struct scsi_cmnd *scmd, unsigned int good_bytes)
 				sectors--;
 			}
 
-			kunmap_atomic(sdt, KM_USER0);
+			kunmap_atomic(sdt);
 		}
 	}
 }
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 695ffc36e02d..83a1972a1999 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -481,6 +481,19 @@ cleanup:
 	return NULL;
 }
 
+/* Disgusting wrapper functions */
+static inline unsigned long sg_kmap_atomic(struct scatterlist *sgl, int idx)
+{
+	void *addr = kmap_atomic(sg_page(sgl + idx));
+	return (unsigned long)addr;
+}
+
+static inline void sg_kunmap_atomic(unsigned long addr)
+{
+	kunmap_atomic((void *)addr);
+}
+
+
 /* Assume the original sgl has enough room */
 static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
 					    struct scatterlist *bounce_sgl,
@@ -499,15 +512,12 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
 	local_irq_save(flags);
 
 	for (i = 0; i < orig_sgl_count; i++) {
-		dest_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])),
-					KM_IRQ0) + orig_sgl[i].offset;
+		dest_addr = sg_kmap_atomic(orig_sgl,i) + orig_sgl[i].offset;
 		dest = dest_addr;
 		destlen = orig_sgl[i].length;
 
 		if (bounce_addr == 0)
-			bounce_addr =
-			(unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])),
-							KM_IRQ0);
+			bounce_addr = sg_kmap_atomic(bounce_sgl,j);
 
 		while (destlen) {
 			src = bounce_addr + bounce_sgl[j].offset;
@@ -523,7 +533,7 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
 
 			if (bounce_sgl[j].offset == bounce_sgl[j].length) {
 				/* full */
-				kunmap_atomic((void *)bounce_addr, KM_IRQ0);
+				sg_kunmap_atomic(bounce_addr);
 				j++;
 
 				/*
@@ -537,26 +547,21 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
 					/*
 					 * We are done; cleanup and return.
 					 */
-					kunmap_atomic((void *)(dest_addr -
-							orig_sgl[i].offset),
-							KM_IRQ0);
+					sg_kunmap_atomic(dest_addr - orig_sgl[i].offset);
 					local_irq_restore(flags);
 					return total_copied;
 				}
 
 				/* if we need to use another bounce buffer */
 				if (destlen || i != orig_sgl_count - 1)
-					bounce_addr =
-					(unsigned long)kmap_atomic(
-					sg_page((&bounce_sgl[j])), KM_IRQ0);
+					bounce_addr = sg_kmap_atomic(bounce_sgl,j);
 			} else if (destlen == 0 && i == orig_sgl_count - 1) {
 				/* unmap the last bounce that is < PAGE_SIZE */
-				kunmap_atomic((void *)bounce_addr, KM_IRQ0);
+				sg_kunmap_atomic(bounce_addr);
 			}
 		}
 
-		kunmap_atomic((void *)(dest_addr - orig_sgl[i].offset),
-			      KM_IRQ0);
+		sg_kunmap_atomic(dest_addr - orig_sgl[i].offset);
 	}
 
 	local_irq_restore(flags);
@@ -581,15 +586,12 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl,
 	local_irq_save(flags);
 
 	for (i = 0; i < orig_sgl_count; i++) {
-		src_addr = (unsigned long)kmap_atomic(sg_page((&orig_sgl[i])),
-				KM_IRQ0) + orig_sgl[i].offset;
+		src_addr = sg_kmap_atomic(orig_sgl,i) + orig_sgl[i].offset;
 		src = src_addr;
 		srclen = orig_sgl[i].length;
 
 		if (bounce_addr == 0)
-			bounce_addr =
-			(unsigned long)kmap_atomic(sg_page((&bounce_sgl[j])),
-						KM_IRQ0);
+			bounce_addr = sg_kmap_atomic(bounce_sgl,j);
 
 		while (srclen) {
 			/* assume bounce offset always == 0 */
@@ -606,22 +608,20 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl,
 
 			if (bounce_sgl[j].length == PAGE_SIZE) {
 				/* full..move to next entry */
-				kunmap_atomic((void *)bounce_addr, KM_IRQ0);
+				sg_kunmap_atomic(bounce_addr);
 				j++;
 
 				/* if we need to use another bounce buffer */
 				if (srclen || i != orig_sgl_count - 1)
-					bounce_addr =
-					(unsigned long)kmap_atomic(
-					sg_page((&bounce_sgl[j])), KM_IRQ0);
+					bounce_addr = sg_kmap_atomic(bounce_sgl,j);
 
 			} else if (srclen == 0 && i == orig_sgl_count - 1) {
 				/* unmap the last bounce that is < PAGE_SIZE */
-				kunmap_atomic((void *)bounce_addr, KM_IRQ0);
+				sg_kunmap_atomic(bounce_addr);
 			}
 		}
 
-		kunmap_atomic((void *)(src_addr - orig_sgl[i].offset), KM_IRQ0);
+		sg_kunmap_atomic(src_addr - orig_sgl[i].offset);
 	}
 
 	local_irq_restore(flags);
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 8293658e7cf9..0b06e360628a 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -94,6 +94,12 @@ config SPI_AU1550
 	  If you say yes to this option, support will be included for the
 	  PSC SPI controller found on Au1550, Au1200 and Au1300 series.
 
+config SPI_BCM63XX
+	tristate "Broadcom BCM63xx SPI controller"
+	depends on BCM63XX
+	help
+          Enable support for the SPI controller on the Broadcom BCM63xx SoCs.
+
 config SPI_BITBANG
 	tristate "Utilities for Bitbanging SPI masters"
 	help
@@ -126,7 +132,7 @@ config SPI_COLDFIRE_QSPI
 
 config SPI_DAVINCI
 	tristate "Texas Instruments DaVinci/DA8x/OMAP-L/AM1x SoC SPI controller"
-	depends on SPI_MASTER && ARCH_DAVINCI
+	depends on ARCH_DAVINCI
 	select SPI_BITBANG
 	help
 	  SPI master controller for DaVinci/DA8x/OMAP-L/AM1x SPI modules.
@@ -188,7 +194,7 @@ config SPI_MPC52xx_PSC
 
 config SPI_MPC512x_PSC
 	tristate "Freescale MPC512x PSC SPI controller"
-	depends on SPI_MASTER && PPC_MPC512x
+	depends on PPC_MPC512x
 	help
 	  This enables using the Freescale MPC5121 Programmable Serial
 	  Controller in SPI master mode.
@@ -238,7 +244,7 @@ config SPI_OMAP24XX
 
 config SPI_OMAP_100K
 	tristate "OMAP SPI 100K"
-	depends on SPI_MASTER && (ARCH_OMAP850 || ARCH_OMAP730)
+	depends on ARCH_OMAP850 || ARCH_OMAP730
 	help
 	  OMAP SPI 100K master controller for omap7xx boards.
 
@@ -262,7 +268,7 @@ config SPI_PL022
 
 config SPI_PPC4xx
 	tristate "PPC4xx SPI Controller"
-	depends on PPC32 && 4xx && SPI_MASTER
+	depends on PPC32 && 4xx
 	select SPI_BITBANG
 	help
 	  This selects a driver for the PPC4xx SPI Controller.
@@ -279,6 +285,12 @@ config SPI_PXA2XX
 config SPI_PXA2XX_PCI
 	def_bool SPI_PXA2XX && X86_32 && PCI
 
+config SPI_RSPI
+	tristate "Renesas RSPI controller"
+	depends on SUPERH
+	help
+	  SPI driver for Renesas RSPI blocks.
+
 config SPI_S3C24XX
 	tristate "Samsung S3C24XX series SPI"
 	depends on ARCH_S3C2410 && EXPERIMENTAL
@@ -324,9 +336,22 @@ config SPI_SH_SCI
 	help
 	  SPI driver for SuperH SCI blocks.
 
+config SPI_SH_HSPI
+	tristate "SuperH HSPI controller"
+	depends on ARCH_SHMOBILE
+	help
+	  SPI driver for SuperH HSPI blocks.
+
+config SPI_SIRF
+	tristate "CSR SiRFprimaII SPI controller"
+	depends on ARCH_PRIMA2
+	select SPI_BITBANG
+	help
+	  SPI driver for CSR SiRFprimaII SoCs
+
 config SPI_STMP3XXX
 	tristate "Freescale STMP37xx/378x SPI/SSP controller"
-	depends on ARCH_STMP3XXX && SPI_MASTER
+	depends on ARCH_STMP3XXX
 	help
 	  SPI driver for Freescale STMP37xx/378x SoC SSP interface
 
@@ -384,7 +409,6 @@ config SPI_NUC900
 
 config SPI_DESIGNWARE
 	tristate "DesignWare SPI controller core support"
-	depends on SPI_MASTER
 	help
 	  general driver for SPI controller core from DesignWare
 
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 61c3261c388c..a1d48e0ba3dc 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_SPI_ALTERA)		+= spi-altera.o
 obj-$(CONFIG_SPI_ATMEL)			+= spi-atmel.o
 obj-$(CONFIG_SPI_ATH79)			+= spi-ath79.o
 obj-$(CONFIG_SPI_AU1550)		+= spi-au1550.o
+obj-$(CONFIG_SPI_BCM63XX)		+= spi-bcm63xx.o
 obj-$(CONFIG_SPI_BFIN)			+= spi-bfin5xx.o
 obj-$(CONFIG_SPI_BFIN_SPORT)		+= spi-bfin-sport.o
 obj-$(CONFIG_SPI_BITBANG)		+= spi-bitbang.o
@@ -44,13 +45,16 @@ obj-$(CONFIG_SPI_PL022)			+= spi-pl022.o
 obj-$(CONFIG_SPI_PPC4xx)		+= spi-ppc4xx.o
 obj-$(CONFIG_SPI_PXA2XX)		+= spi-pxa2xx.o
 obj-$(CONFIG_SPI_PXA2XX_PCI)		+= spi-pxa2xx-pci.o
+obj-$(CONFIG_SPI_RSPI)			+= spi-rspi.o
 obj-$(CONFIG_SPI_S3C24XX)		+= spi-s3c24xx-hw.o
 spi-s3c24xx-hw-y			:= spi-s3c24xx.o
 spi-s3c24xx-hw-$(CONFIG_SPI_S3C24XX_FIQ) += spi-s3c24xx-fiq.o
 obj-$(CONFIG_SPI_S3C64XX)		+= spi-s3c64xx.o
 obj-$(CONFIG_SPI_SH)			+= spi-sh.o
+obj-$(CONFIG_SPI_SH_HSPI)		+= spi-sh-hspi.o
 obj-$(CONFIG_SPI_SH_MSIOF)		+= spi-sh-msiof.o
 obj-$(CONFIG_SPI_SH_SCI)		+= spi-sh-sci.o
+obj-$(CONFIG_SPI_SIRF)		+= spi-sirf.o
 obj-$(CONFIG_SPI_STMP3XXX)		+= spi-stmp.o
 obj-$(CONFIG_SPI_TEGRA)			+= spi-tegra.o
 obj-$(CONFIG_SPI_TI_SSP)		+= spi-ti-ssp.o
diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
new file mode 100644
index 000000000000..f01b2648452e
--- /dev/null
+++ b/drivers/spi/spi-bcm63xx.c
@@ -0,0 +1,486 @@
+/*
+ * Broadcom BCM63xx SPI controller support
+ *
+ * Copyright (C) 2009-2011 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/spi/spi.h>
+#include <linux/completion.h>
+#include <linux/err.h>
+
+#include <bcm63xx_dev_spi.h>
+
+#define PFX		KBUILD_MODNAME
+#define DRV_VER		"0.1.2"
+
+struct bcm63xx_spi {
+	spinlock_t		lock;
+	int			stopping;
+	struct completion	done;
+
+	void __iomem		*regs;
+	int			irq;
+
+	/* Platform data */
+	u32			speed_hz;
+	unsigned		fifo_size;
+
+	/* Data buffers */
+	const unsigned char	*tx_ptr;
+	unsigned char		*rx_ptr;
+
+	/* data iomem */
+	u8 __iomem		*tx_io;
+	const u8 __iomem	*rx_io;
+
+	int			remaining_bytes;
+
+	struct clk		*clk;
+	struct platform_device	*pdev;
+};
+
+static inline u8 bcm_spi_readb(struct bcm63xx_spi *bs,
+				unsigned int offset)
+{
+	return bcm_readb(bs->regs + bcm63xx_spireg(offset));
+}
+
+static inline u16 bcm_spi_readw(struct bcm63xx_spi *bs,
+				unsigned int offset)
+{
+	return bcm_readw(bs->regs + bcm63xx_spireg(offset));
+}
+
+static inline void bcm_spi_writeb(struct bcm63xx_spi *bs,
+				  u8 value, unsigned int offset)
+{
+	bcm_writeb(value, bs->regs + bcm63xx_spireg(offset));
+}
+
+static inline void bcm_spi_writew(struct bcm63xx_spi *bs,
+				  u16 value, unsigned int offset)
+{
+	bcm_writew(value, bs->regs + bcm63xx_spireg(offset));
+}
+
+static const unsigned bcm63xx_spi_freq_table[SPI_CLK_MASK][2] = {
+	{ 20000000, SPI_CLK_20MHZ },
+	{ 12500000, SPI_CLK_12_50MHZ },
+	{  6250000, SPI_CLK_6_250MHZ },
+	{  3125000, SPI_CLK_3_125MHZ },
+	{  1563000, SPI_CLK_1_563MHZ },
+	{   781000, SPI_CLK_0_781MHZ },
+	{   391000, SPI_CLK_0_391MHZ }
+};
+
+static int bcm63xx_spi_setup_transfer(struct spi_device *spi,
+				      struct spi_transfer *t)
+{
+	struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);
+	u8 bits_per_word;
+	u8 clk_cfg, reg;
+	u32 hz;
+	int i;
+
+	bits_per_word = (t) ? t->bits_per_word : spi->bits_per_word;
+	hz = (t) ? t->speed_hz : spi->max_speed_hz;
+	if (bits_per_word != 8) {
+		dev_err(&spi->dev, "%s, unsupported bits_per_word=%d\n",
+			__func__, bits_per_word);
+		return -EINVAL;
+	}
+
+	if (spi->chip_select > spi->master->num_chipselect) {
+		dev_err(&spi->dev, "%s, unsupported slave %d\n",
+			__func__, spi->chip_select);
+		return -EINVAL;
+	}
+
+	/* Find the closest clock configuration */
+	for (i = 0; i < SPI_CLK_MASK; i++) {
+		if (hz <= bcm63xx_spi_freq_table[i][0]) {
+			clk_cfg = bcm63xx_spi_freq_table[i][1];
+			break;
+		}
+	}
+
+	/* No matching configuration found, default to lowest */
+	if (i == SPI_CLK_MASK)
+		clk_cfg = SPI_CLK_0_391MHZ;
+
+	/* clear existing clock configuration bits of the register */
+	reg = bcm_spi_readb(bs, SPI_CLK_CFG);
+	reg &= ~SPI_CLK_MASK;
+	reg |= clk_cfg;
+
+	bcm_spi_writeb(bs, reg, SPI_CLK_CFG);
+	dev_dbg(&spi->dev, "Setting clock register to %02x (hz %d)\n",
+		clk_cfg, hz);
+
+	return 0;
+}
+
+/* the spi->mode bits understood by this driver: */
+#define MODEBITS (SPI_CPOL | SPI_CPHA)
+
+static int bcm63xx_spi_setup(struct spi_device *spi)
+{
+	struct bcm63xx_spi *bs;
+	int ret;
+
+	bs = spi_master_get_devdata(spi->master);
+
+	if (bs->stopping)
+		return -ESHUTDOWN;
+
+	if (!spi->bits_per_word)
+		spi->bits_per_word = 8;
+
+	if (spi->mode & ~MODEBITS) {
+		dev_err(&spi->dev, "%s, unsupported mode bits %x\n",
+			__func__, spi->mode & ~MODEBITS);
+		return -EINVAL;
+	}
+
+	ret = bcm63xx_spi_setup_transfer(spi, NULL);
+	if (ret < 0) {
+		dev_err(&spi->dev, "setup: unsupported mode bits %x\n",
+			spi->mode & ~MODEBITS);
+		return ret;
+	}
+
+	dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u nsec/bit\n",
+		__func__, spi->mode & MODEBITS, spi->bits_per_word, 0);
+
+	return 0;
+}
+
+/* Fill the TX FIFO with as many bytes as possible */
+static void bcm63xx_spi_fill_tx_fifo(struct bcm63xx_spi *bs)
+{
+	u8 size;
+
+	/* Fill the Tx FIFO with as many bytes as possible */
+	size = bs->remaining_bytes < bs->fifo_size ? bs->remaining_bytes :
+		bs->fifo_size;
+	memcpy_toio(bs->tx_io, bs->tx_ptr, size);
+	bs->remaining_bytes -= size;
+}
+
+static int bcm63xx_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
+{
+	struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);
+	u16 msg_ctl;
+	u16 cmd;
+
+	dev_dbg(&spi->dev, "txrx: tx %p, rx %p, len %d\n",
+		t->tx_buf, t->rx_buf, t->len);
+
+	/* Transmitter is inhibited */
+	bs->tx_ptr = t->tx_buf;
+	bs->rx_ptr = t->rx_buf;
+	init_completion(&bs->done);
+
+	if (t->tx_buf) {
+		bs->remaining_bytes = t->len;
+		bcm63xx_spi_fill_tx_fifo(bs);
+	}
+
+	/* Enable the command done interrupt which
+	 * we use to determine completion of a command */
+	bcm_spi_writeb(bs, SPI_INTR_CMD_DONE, SPI_INT_MASK);
+
+	/* Fill in the Message control register */
+	msg_ctl = (t->len << SPI_BYTE_CNT_SHIFT);
+
+	if (t->rx_buf && t->tx_buf)
+		msg_ctl |= (SPI_FD_RW << SPI_MSG_TYPE_SHIFT);
+	else if (t->rx_buf)
+		msg_ctl |= (SPI_HD_R << SPI_MSG_TYPE_SHIFT);
+	else if (t->tx_buf)
+		msg_ctl |= (SPI_HD_W << SPI_MSG_TYPE_SHIFT);
+
+	bcm_spi_writew(bs, msg_ctl, SPI_MSG_CTL);
+
+	/* Issue the transfer */
+	cmd = SPI_CMD_START_IMMEDIATE;
+	cmd |= (0 << SPI_CMD_PREPEND_BYTE_CNT_SHIFT);
+	cmd |= (spi->chip_select << SPI_CMD_DEVICE_ID_SHIFT);
+	bcm_spi_writew(bs, cmd, SPI_CMD);
+	wait_for_completion(&bs->done);
+
+	/* Disable the CMD_DONE interrupt */
+	bcm_spi_writeb(bs, 0, SPI_INT_MASK);
+
+	return t->len - bs->remaining_bytes;
+}
+
+static int bcm63xx_transfer(struct spi_device *spi, struct spi_message *m)
+{
+	struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);
+	struct spi_transfer *t;
+	int ret = 0;
+
+	if (unlikely(list_empty(&m->transfers)))
+		return -EINVAL;
+
+	if (bs->stopping)
+		return -ESHUTDOWN;
+
+	list_for_each_entry(t, &m->transfers, transfer_list) {
+		ret += bcm63xx_txrx_bufs(spi, t);
+	}
+
+	m->complete(m->context);
+
+	return ret;
+}
+
+/* This driver supports single master mode only. Hence
+ * CMD_DONE is the only interrupt we care about
+ */
+static irqreturn_t bcm63xx_spi_interrupt(int irq, void *dev_id)
+{
+	struct spi_master *master = (struct spi_master *)dev_id;
+	struct bcm63xx_spi *bs = spi_master_get_devdata(master);
+	u8 intr;
+	u16 cmd;
+
+	/* Read interupts and clear them immediately */
+	intr = bcm_spi_readb(bs, SPI_INT_STATUS);
+	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
+	bcm_spi_writeb(bs, 0, SPI_INT_MASK);
+
+	/* A tansfer completed */
+	if (intr & SPI_INTR_CMD_DONE) {
+		u8 rx_tail;
+
+		rx_tail = bcm_spi_readb(bs, SPI_RX_TAIL);
+
+		/* Read out all the data */
+		if (rx_tail)
+			memcpy_fromio(bs->rx_ptr, bs->rx_io, rx_tail);
+
+		/* See if there is more data to send */
+		if (bs->remaining_bytes > 0) {
+			bcm63xx_spi_fill_tx_fifo(bs);
+
+			/* Start the transfer */
+			bcm_spi_writew(bs, SPI_HD_W << SPI_MSG_TYPE_SHIFT,
+				       SPI_MSG_CTL);
+			cmd = bcm_spi_readw(bs, SPI_CMD);
+			cmd |= SPI_CMD_START_IMMEDIATE;
+			cmd |= (0 << SPI_CMD_PREPEND_BYTE_CNT_SHIFT);
+			bcm_spi_writeb(bs, SPI_INTR_CMD_DONE, SPI_INT_MASK);
+			bcm_spi_writew(bs, cmd, SPI_CMD);
+		} else {
+			complete(&bs->done);
+		}
+	}
+
+	return IRQ_HANDLED;
+}
+
+
+static int __devinit bcm63xx_spi_probe(struct platform_device *pdev)
+{
+	struct resource *r;
+	struct device *dev = &pdev->dev;
+	struct bcm63xx_spi_pdata *pdata = pdev->dev.platform_data;
+	int irq;
+	struct spi_master *master;
+	struct clk *clk;
+	struct bcm63xx_spi *bs;
+	int ret;
+
+	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!r) {
+		dev_err(dev, "no iomem\n");
+		ret = -ENXIO;
+		goto out;
+	}
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(dev, "no irq\n");
+		ret = -ENXIO;
+		goto out;
+	}
+
+	clk = clk_get(dev, "spi");
+	if (IS_ERR(clk)) {
+		dev_err(dev, "no clock for device\n");
+		ret = PTR_ERR(clk);
+		goto out;
+	}
+
+	master = spi_alloc_master(dev, sizeof(*bs));
+	if (!master) {
+		dev_err(dev, "out of memory\n");
+		ret = -ENOMEM;
+		goto out_clk;
+	}
+
+	bs = spi_master_get_devdata(master);
+	init_completion(&bs->done);
+
+	platform_set_drvdata(pdev, master);
+	bs->pdev = pdev;
+
+	if (!devm_request_mem_region(&pdev->dev, r->start,
+					resource_size(r), PFX)) {
+		dev_err(dev, "iomem request failed\n");
+		ret = -ENXIO;
+		goto out_err;
+	}
+
+	bs->regs = devm_ioremap_nocache(&pdev->dev, r->start,
+							resource_size(r));
+	if (!bs->regs) {
+		dev_err(dev, "unable to ioremap regs\n");
+		ret = -ENOMEM;
+		goto out_err;
+	}
+
+	bs->irq = irq;
+	bs->clk = clk;
+	bs->fifo_size = pdata->fifo_size;
+
+	ret = devm_request_irq(&pdev->dev, irq, bcm63xx_spi_interrupt, 0,
+							pdev->name, master);
+	if (ret) {
+		dev_err(dev, "unable to request irq\n");
+		goto out_err;
+	}
+
+	master->bus_num = pdata->bus_num;
+	master->num_chipselect = pdata->num_chipselect;
+	master->setup = bcm63xx_spi_setup;
+	master->transfer = bcm63xx_transfer;
+	bs->speed_hz = pdata->speed_hz;
+	bs->stopping = 0;
+	bs->tx_io = (u8 *)(bs->regs + bcm63xx_spireg(SPI_MSG_DATA));
+	bs->rx_io = (const u8 *)(bs->regs + bcm63xx_spireg(SPI_RX_DATA));
+	spin_lock_init(&bs->lock);
+
+	/* Initialize hardware */
+	clk_enable(bs->clk);
+	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
+
+	/* register and we are done */
+	ret = spi_register_master(master);
+	if (ret) {
+		dev_err(dev, "spi register failed\n");
+		goto out_clk_disable;
+	}
+
+	dev_info(dev, "at 0x%08x (irq %d, FIFOs size %d) v%s\n",
+		 r->start, irq, bs->fifo_size, DRV_VER);
+
+	return 0;
+
+out_clk_disable:
+	clk_disable(clk);
+out_err:
+	platform_set_drvdata(pdev, NULL);
+	spi_master_put(master);
+out_clk:
+	clk_put(clk);
+out:
+	return ret;
+}
+
+static int __devexit bcm63xx_spi_remove(struct platform_device *pdev)
+{
+	struct spi_master *master = platform_get_drvdata(pdev);
+	struct bcm63xx_spi *bs = spi_master_get_devdata(master);
+
+	/* reset spi block */
+	bcm_spi_writeb(bs, 0, SPI_INT_MASK);
+	spin_lock(&bs->lock);
+	bs->stopping = 1;
+
+	/* HW shutdown */
+	clk_disable(bs->clk);
+	clk_put(bs->clk);
+
+	spin_unlock(&bs->lock);
+	platform_set_drvdata(pdev, 0);
+	spi_unregister_master(master);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int bcm63xx_spi_suspend(struct device *dev)
+{
+	struct spi_master *master =
+			platform_get_drvdata(to_platform_device(dev));
+	struct bcm63xx_spi *bs = spi_master_get_devdata(master);
+
+	clk_disable(bs->clk);
+
+	return 0;
+}
+
+static int bcm63xx_spi_resume(struct device *dev)
+{
+	struct spi_master *master =
+			platform_get_drvdata(to_platform_device(dev));
+	struct bcm63xx_spi *bs = spi_master_get_devdata(master);
+
+	clk_enable(bs->clk);
+
+	return 0;
+}
+
+static const struct dev_pm_ops bcm63xx_spi_pm_ops = {
+	.suspend	= bcm63xx_spi_suspend,
+	.resume		= bcm63xx_spi_resume,
+};
+
+#define BCM63XX_SPI_PM_OPS	(&bcm63xx_spi_pm_ops)
+#else
+#define BCM63XX_SPI_PM_OPS	NULL
+#endif
+
+static struct platform_driver bcm63xx_spi_driver = {
+	.driver = {
+		.name	= "bcm63xx-spi",
+		.owner	= THIS_MODULE,
+		.pm	= BCM63XX_SPI_PM_OPS,
+	},
+	.probe		= bcm63xx_spi_probe,
+	.remove		= __devexit_p(bcm63xx_spi_remove),
+};
+
+module_platform_driver(bcm63xx_spi_driver);
+
+MODULE_ALIAS("platform:bcm63xx_spi");
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
+MODULE_AUTHOR("Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com>");
+MODULE_DESCRIPTION("Broadcom BCM63xx SPI Controller driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c
index f64250ea1611..14f7cc9523f0 100644
--- a/drivers/spi/spi-dw-pci.c
+++ b/drivers/spi/spi-dw-pci.c
@@ -149,7 +149,7 @@ static int spi_resume(struct pci_dev *pdev)
 #define spi_resume	NULL
 #endif
 
-static const struct pci_device_id pci_ids[] __devinitdata = {
+static DEFINE_PCI_DEVICE_TABLE(pci_ids) = {
 	/* Intel MID platform SPI controller 0 */
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0800) },
 	{},
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index d770f03705c3..7523a2429d09 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -180,18 +180,20 @@ static int fsl_espi_setup_transfer(struct spi_device *spi,
 
 	if ((mpc8xxx_spi->spibrg / hz) > 64) {
 		cs->hw_mode |= CSMODE_DIV16;
-		pm = (mpc8xxx_spi->spibrg - 1) / (hz * 64) + 1;
+		pm = DIV_ROUND_UP(mpc8xxx_spi->spibrg, hz * 16 * 4);
 
-		WARN_ONCE(pm > 16, "%s: Requested speed is too low: %d Hz. "
+		WARN_ONCE(pm > 33, "%s: Requested speed is too low: %d Hz. "
 			  "Will use %d Hz instead.\n", dev_name(&spi->dev),
-			  hz, mpc8xxx_spi->spibrg / 1024);
-		if (pm > 16)
-			pm = 16;
+				hz, mpc8xxx_spi->spibrg / (4 * 16 * (32 + 1)));
+		if (pm > 33)
+			pm = 33;
 	} else {
-		pm = (mpc8xxx_spi->spibrg - 1) / (hz * 4) + 1;
+		pm = DIV_ROUND_UP(mpc8xxx_spi->spibrg, hz * 4);
 	}
 	if (pm)
 		pm--;
+	if (pm < 2)
+		pm = 2;
 
 	cs->hw_mode |= CSMODE_PM(pm);
 
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index c6e697f5e007..31054e3de4c1 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -793,13 +793,8 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
 
 		ret = gpio_request(spi_imx->chipselect[i], DRIVER_NAME);
 		if (ret) {
-			while (i > 0) {
-				i--;
-				if (spi_imx->chipselect[i] >= 0)
-					gpio_free(spi_imx->chipselect[i]);
-			}
 			dev_err(&pdev->dev, "can't get cs gpios\n");
-			goto out_master_put;
+			goto out_gpio_free;
 		}
 	}
 
@@ -881,10 +876,10 @@ out_iounmap:
 out_release_mem:
 	release_mem_region(res->start, resource_size(res));
 out_gpio_free:
-	for (i = 0; i < master->num_chipselect; i++)
+	while (--i >= 0) {
 		if (spi_imx->chipselect[i] >= 0)
 			gpio_free(spi_imx->chipselect[i]);
-out_master_put:
+	}
 	spi_master_put(master);
 	kfree(master);
 	platform_set_drvdata(pdev, NULL);
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index 182e9c873822..dae8be229c5d 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -360,8 +360,6 @@ static int __devinit nuc900_spi_probe(struct platform_device *pdev)
 	}
 
 	hw = spi_master_get_devdata(master);
-	memset(hw, 0, sizeof(struct nuc900_spi));
-
 	hw->master = spi_master_get(master);
 	hw->pdata  = pdev->dev.platform_data;
 	hw->dev = &pdev->dev;
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 0b0dfb71c640..bb9274c2526d 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -34,6 +34,8 @@
 #include <linux/io.h>
 #include <linux/slab.h>
 #include <linux/pm_runtime.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 
 #include <linux/spi/spi.h>
 
@@ -1079,15 +1081,39 @@ static int omap_mcspi_runtime_resume(struct device *dev)
 	return 0;
 }
 
+static struct omap2_mcspi_platform_config omap2_pdata = {
+	.regs_offset = 0,
+};
+
+static struct omap2_mcspi_platform_config omap4_pdata = {
+	.regs_offset = OMAP4_MCSPI_REG_OFFSET,
+};
+
+static const struct of_device_id omap_mcspi_of_match[] = {
+	{
+		.compatible = "ti,omap2-mcspi",
+		.data = &omap2_pdata,
+	},
+	{
+		.compatible = "ti,omap4-mcspi",
+		.data = &omap4_pdata,
+	},
+	{ },
+};
+MODULE_DEVICE_TABLE(of, omap_mcspi_of_match);
 
 static int __init omap2_mcspi_probe(struct platform_device *pdev)
 {
 	struct spi_master	*master;
-	struct omap2_mcspi_platform_config *pdata = pdev->dev.platform_data;
+	struct omap2_mcspi_platform_config *pdata;
 	struct omap2_mcspi	*mcspi;
 	struct resource		*r;
 	int			status = 0, i;
 	char			wq_name[20];
+	u32			regs_offset = 0;
+	static int		bus_num = 1;
+	struct device_node	*node = pdev->dev.of_node;
+	const struct of_device_id *match;
 
 	master = spi_alloc_master(&pdev->dev, sizeof *mcspi);
 	if (master == NULL) {
@@ -1098,13 +1124,26 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
 	/* the spi->mode bits understood by this driver: */
 	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
 
-	if (pdev->id != -1)
-		master->bus_num = pdev->id;
-
 	master->setup = omap2_mcspi_setup;
 	master->transfer = omap2_mcspi_transfer;
 	master->cleanup = omap2_mcspi_cleanup;
-	master->num_chipselect = pdata->num_cs;
+	master->dev.of_node = node;
+
+	match = of_match_device(omap_mcspi_of_match, &pdev->dev);
+	if (match) {
+		u32 num_cs = 1; /* default number of chipselect */
+		pdata = match->data;
+
+		of_property_read_u32(node, "ti,spi-num-cs", &num_cs);
+		master->num_chipselect = num_cs;
+		master->bus_num = bus_num++;
+	} else {
+		pdata = pdev->dev.platform_data;
+		master->num_chipselect = pdata->num_cs;
+		if (pdev->id != -1)
+			master->bus_num = pdev->id;
+	}
+	regs_offset = pdata->regs_offset;
 
 	dev_set_drvdata(&pdev->dev, master);
 
@@ -1124,8 +1163,8 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
 		goto free_master;
 	}
 
-	r->start += pdata->regs_offset;
-	r->end += pdata->regs_offset;
+	r->start += regs_offset;
+	r->end += regs_offset;
 	mcspi->phys = r->start;
 	if (!request_mem_region(r->start, resource_size(r),
 				dev_name(&pdev->dev))) {
@@ -1285,7 +1324,8 @@ static struct platform_driver omap2_mcspi_driver = {
 	.driver = {
 		.name =		"omap2_mcspi",
 		.owner =	THIS_MODULE,
-		.pm =		&omap2_mcspi_pm_ops
+		.pm =		&omap2_mcspi_pm_ops,
+		.of_match_table = omap_mcspi_of_match,
 	},
 	.remove =	__exit_p(omap2_mcspi_remove),
 };
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index f37ad2271ad5..dc8485d1e883 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -29,7 +29,6 @@
 #include <linux/errno.h>
 #include <linux/interrupt.h>
 #include <linux/spi/spi.h>
-#include <linux/workqueue.h>
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/err.h>
@@ -330,12 +329,13 @@ struct vendor_data {
  * @clk: outgoing clock "SPICLK" for the SPI bus
  * @master: SPI framework hookup
  * @master_info: controller-specific data from machine setup
- * @workqueue: a workqueue on which any spi_message request is queued
- * @pump_messages: work struct for scheduling work to the workqueue
+ * @kworker: thread struct for message pump
+ * @kworker_task: pointer to task for message pump kworker thread
+ * @pump_messages: work struct for scheduling work to the message pump
  * @queue_lock: spinlock to syncronise access to message queue
  * @queue: message queue
- * @busy: workqueue is busy
- * @running: workqueue is running
+ * @busy: message pump is busy
+ * @running: message pump is running
  * @pump_transfers: Tasklet used in Interrupt Transfer mode
  * @cur_msg: Pointer to current spi_message being processed
  * @cur_transfer: Pointer to current spi_transfer
@@ -365,14 +365,7 @@ struct pl022 {
 	struct clk			*clk;
 	struct spi_master		*master;
 	struct pl022_ssp_controller	*master_info;
-	/* Driver message queue */
-	struct workqueue_struct		*workqueue;
-	struct work_struct		pump_messages;
-	spinlock_t			queue_lock;
-	struct list_head		queue;
-	bool				busy;
-	bool				running;
-	/* Message transfer pump */
+	/* Message per-transfer pump */
 	struct tasklet_struct		pump_transfers;
 	struct spi_message		*cur_msg;
 	struct spi_transfer		*cur_transfer;
@@ -394,6 +387,7 @@ struct pl022 {
 	struct sg_table			sgt_rx;
 	struct sg_table			sgt_tx;
 	char				*dummypage;
+	bool				dma_running;
 #endif
 };
 
@@ -448,8 +442,6 @@ static void null_cs_control(u32 command)
 static void giveback(struct pl022 *pl022)
 {
 	struct spi_transfer *last_transfer;
-	unsigned long flags;
-	struct spi_message *msg;
 	pl022->next_msg_cs_active = false;
 
 	last_transfer = list_entry(pl022->cur_msg->transfers.prev,
@@ -477,15 +469,8 @@ static void giveback(struct pl022 *pl022)
 		 * sent the current message could be unloaded, which
 		 * could invalidate the cs_control() callback...
 		 */
-
 		/* get a pointer to the next message, if any */
-		spin_lock_irqsave(&pl022->queue_lock, flags);
-		if (list_empty(&pl022->queue))
-			next_msg = NULL;
-		else
-			next_msg = list_entry(pl022->queue.next,
-					struct spi_message, queue);
-		spin_unlock_irqrestore(&pl022->queue_lock, flags);
+		next_msg = spi_get_next_queued_message(pl022->master);
 
 		/*
 		 * see if the next and current messages point
@@ -497,19 +482,13 @@ static void giveback(struct pl022 *pl022)
 			pl022->cur_chip->cs_control(SSP_CHIP_DESELECT);
 		else
 			pl022->next_msg_cs_active = true;
+
 	}
 
-	spin_lock_irqsave(&pl022->queue_lock, flags);
-	msg = pl022->cur_msg;
 	pl022->cur_msg = NULL;
 	pl022->cur_transfer = NULL;
 	pl022->cur_chip = NULL;
-	queue_work(pl022->workqueue, &pl022->pump_messages);
-	spin_unlock_irqrestore(&pl022->queue_lock, flags);
-
-	msg->state = NULL;
-	if (msg->complete)
-		msg->complete(msg->context);
+	spi_finalize_current_message(pl022->master);
 }
 
 /**
@@ -1063,6 +1042,7 @@ static int configure_dma(struct pl022 *pl022)
 	dmaengine_submit(txdesc);
 	dma_async_issue_pending(rxchan);
 	dma_async_issue_pending(txchan);
+	pl022->dma_running = true;
 
 	return 0;
 
@@ -1141,11 +1121,12 @@ static void terminate_dma(struct pl022 *pl022)
 	dmaengine_terminate_all(rxchan);
 	dmaengine_terminate_all(txchan);
 	unmap_free_dma_scatter(pl022);
+	pl022->dma_running = false;
 }
 
 static void pl022_dma_remove(struct pl022 *pl022)
 {
-	if (pl022->busy)
+	if (pl022->dma_running)
 		terminate_dma(pl022);
 	if (pl022->dma_tx_channel)
 		dma_release_channel(pl022->dma_tx_channel);
@@ -1493,73 +1474,20 @@ out:
 	return;
 }
 
-/**
- * pump_messages - Workqueue function which processes spi message queue
- * @data: pointer to private data of SSP driver
- *
- * This function checks if there is any spi message in the queue that
- * needs processing and delegate control to appropriate function
- * do_polling_transfer()/do_interrupt_dma_transfer()
- * based on the kind of the transfer
- *
- */
-static void pump_messages(struct work_struct *work)
+static int pl022_transfer_one_message(struct spi_master *master,
+				      struct spi_message *msg)
 {
-	struct pl022 *pl022 =
-		container_of(work, struct pl022, pump_messages);
-	unsigned long flags;
-	bool was_busy = false;
-
-	/* Lock queue and check for queue work */
-	spin_lock_irqsave(&pl022->queue_lock, flags);
-	if (list_empty(&pl022->queue) || !pl022->running) {
-		if (pl022->busy) {
-			/* nothing more to do - disable spi/ssp and power off */
-			writew((readw(SSP_CR1(pl022->virtbase)) &
-				(~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase));
-
-			if (pl022->master_info->autosuspend_delay > 0) {
-				pm_runtime_mark_last_busy(&pl022->adev->dev);
-				pm_runtime_put_autosuspend(&pl022->adev->dev);
-			} else {
-				pm_runtime_put(&pl022->adev->dev);
-			}
-		}
-		pl022->busy = false;
-		spin_unlock_irqrestore(&pl022->queue_lock, flags);
-		return;
-	}
-
-	/* Make sure we are not already running a message */
-	if (pl022->cur_msg) {
-		spin_unlock_irqrestore(&pl022->queue_lock, flags);
-		return;
-	}
-	/* Extract head of queue */
-	pl022->cur_msg =
-	    list_entry(pl022->queue.next, struct spi_message, queue);
-
-	list_del_init(&pl022->cur_msg->queue);
-	if (pl022->busy)
-		was_busy = true;
-	else
-		pl022->busy = true;
-	spin_unlock_irqrestore(&pl022->queue_lock, flags);
+	struct pl022 *pl022 = spi_master_get_devdata(master);
 
 	/* Initial message state */
-	pl022->cur_msg->state = STATE_START;
-	pl022->cur_transfer = list_entry(pl022->cur_msg->transfers.next,
-					    struct spi_transfer, transfer_list);
+	pl022->cur_msg = msg;
+	msg->state = STATE_START;
+
+	pl022->cur_transfer = list_entry(msg->transfers.next,
+					 struct spi_transfer, transfer_list);
 
 	/* Setup the SPI using the per chip configuration */
-	pl022->cur_chip = spi_get_ctldata(pl022->cur_msg->spi);
-	if (!was_busy)
-		/*
-		 * We enable the core voltage and clocks here, then the clocks
-		 * and core will be disabled when this workqueue is run again
-		 * and there is no more work to be done.
-		 */
-		pm_runtime_get_sync(&pl022->adev->dev);
+	pl022->cur_chip = spi_get_ctldata(msg->spi);
 
 	restore_state(pl022);
 	flush(pl022);
@@ -1568,95 +1496,37 @@ static void pump_messages(struct work_struct *work)
 		do_polling_transfer(pl022);
 	else
 		do_interrupt_dma_transfer(pl022);
-}
-
-static int __init init_queue(struct pl022 *pl022)
-{
-	INIT_LIST_HEAD(&pl022->queue);
-	spin_lock_init(&pl022->queue_lock);
-
-	pl022->running = false;
-	pl022->busy = false;
-
-	tasklet_init(&pl022->pump_transfers, pump_transfers,
-			(unsigned long)pl022);
-
-	INIT_WORK(&pl022->pump_messages, pump_messages);
-	pl022->workqueue = create_singlethread_workqueue(
-					dev_name(pl022->master->dev.parent));
-	if (pl022->workqueue == NULL)
-		return -EBUSY;
 
 	return 0;
 }
 
-static int start_queue(struct pl022 *pl022)
+static int pl022_prepare_transfer_hardware(struct spi_master *master)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&pl022->queue_lock, flags);
-
-	if (pl022->running || pl022->busy) {
-		spin_unlock_irqrestore(&pl022->queue_lock, flags);
-		return -EBUSY;
-	}
-
-	pl022->running = true;
-	pl022->cur_msg = NULL;
-	pl022->cur_transfer = NULL;
-	pl022->cur_chip = NULL;
-	pl022->next_msg_cs_active = false;
-	spin_unlock_irqrestore(&pl022->queue_lock, flags);
-
-	queue_work(pl022->workqueue, &pl022->pump_messages);
+	struct pl022 *pl022 = spi_master_get_devdata(master);
 
+	/*
+	 * Just make sure we have all we need to run the transfer by syncing
+	 * with the runtime PM framework.
+	 */
+	pm_runtime_get_sync(&pl022->adev->dev);
 	return 0;
 }
 
-static int stop_queue(struct pl022 *pl022)
+static int pl022_unprepare_transfer_hardware(struct spi_master *master)
 {
-	unsigned long flags;
-	unsigned limit = 500;
-	int status = 0;
+	struct pl022 *pl022 = spi_master_get_devdata(master);
 
-	spin_lock_irqsave(&pl022->queue_lock, flags);
+	/* nothing more to do - disable spi/ssp and power off */
+	writew((readw(SSP_CR1(pl022->virtbase)) &
+		(~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase));
 
-	/* This is a bit lame, but is optimized for the common execution path.
-	 * A wait_queue on the pl022->busy could be used, but then the common
-	 * execution path (pump_messages) would be required to call wake_up or
-	 * friends on every SPI message. Do this instead */
-	while ((!list_empty(&pl022->queue) || pl022->busy) && limit--) {
-		spin_unlock_irqrestore(&pl022->queue_lock, flags);
-		msleep(10);
-		spin_lock_irqsave(&pl022->queue_lock, flags);
+	if (pl022->master_info->autosuspend_delay > 0) {
+		pm_runtime_mark_last_busy(&pl022->adev->dev);
+		pm_runtime_put_autosuspend(&pl022->adev->dev);
+	} else {
+		pm_runtime_put(&pl022->adev->dev);
 	}
 
-	if (!list_empty(&pl022->queue) || pl022->busy)
-		status = -EBUSY;
-	else
-		pl022->running = false;
-
-	spin_unlock_irqrestore(&pl022->queue_lock, flags);
-
-	return status;
-}
-
-static int destroy_queue(struct pl022 *pl022)
-{
-	int status;
-
-	status = stop_queue(pl022);
-	/* we are unloading the module or failing to load (only two calls
-	 * to this routine), and neither call can handle a return value.
-	 * However, destroy_workqueue calls flush_workqueue, and that will
-	 * block until all work is done.  If the reason that stop_queue
-	 * timed out is that the work will never finish, then it does no
-	 * good to call destroy_workqueue, so return anyway. */
-	if (status != 0)
-		return status;
-
-	destroy_workqueue(pl022->workqueue);
-
 	return 0;
 }
 
@@ -1776,38 +1646,6 @@ static int verify_controller_parameters(struct pl022 *pl022,
 	return 0;
 }
 
-/**
- * pl022_transfer - transfer function registered to SPI master framework
- * @spi: spi device which is requesting transfer
- * @msg: spi message which is to handled is queued to driver queue
- *
- * This function is registered to the SPI framework for this SPI master
- * controller. It will queue the spi_message in the queue of driver if
- * the queue is not stopped and return.
- */
-static int pl022_transfer(struct spi_device *spi, struct spi_message *msg)
-{
-	struct pl022 *pl022 = spi_master_get_devdata(spi->master);
-	unsigned long flags;
-
-	spin_lock_irqsave(&pl022->queue_lock, flags);
-
-	if (!pl022->running) {
-		spin_unlock_irqrestore(&pl022->queue_lock, flags);
-		return -ESHUTDOWN;
-	}
-	msg->actual_length = 0;
-	msg->status = -EINPROGRESS;
-	msg->state = STATE_START;
-
-	list_add_tail(&msg->queue, &pl022->queue);
-	if (pl022->running && !pl022->busy)
-		queue_work(pl022->workqueue, &pl022->pump_messages);
-
-	spin_unlock_irqrestore(&pl022->queue_lock, flags);
-	return 0;
-}
-
 static inline u32 spi_rate(u32 rate, u16 cpsdvsr, u16 scr)
 {
 	return rate / (cpsdvsr * (1 + scr));
@@ -2170,7 +2008,10 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
 	master->num_chipselect = platform_info->num_chipselect;
 	master->cleanup = pl022_cleanup;
 	master->setup = pl022_setup;
-	master->transfer = pl022_transfer;
+	master->prepare_transfer_hardware = pl022_prepare_transfer_hardware;
+	master->transfer_one_message = pl022_transfer_one_message;
+	master->unprepare_transfer_hardware = pl022_unprepare_transfer_hardware;
+	master->rt = platform_info->rt;
 
 	/*
 	 * Supports mode 0-3, loopback, and active low CS. Transfers are
@@ -2214,6 +2055,10 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
 		goto err_no_clk_en;
 	}
 
+	/* Initialize transfer pump */
+	tasklet_init(&pl022->pump_transfers, pump_transfers,
+		     (unsigned long)pl022);
+
 	/* Disable SSP */
 	writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)),
 	       SSP_CR1(pl022->virtbase));
@@ -2233,17 +2078,6 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
 			platform_info->enable_dma = 0;
 	}
 
-	/* Initialize and start queue */
-	status = init_queue(pl022);
-	if (status != 0) {
-		dev_err(&adev->dev, "probe - problem initializing queue\n");
-		goto err_init_queue;
-	}
-	status = start_queue(pl022);
-	if (status != 0) {
-		dev_err(&adev->dev, "probe - problem starting queue\n");
-		goto err_start_queue;
-	}
 	/* Register with the SPI framework */
 	amba_set_drvdata(adev, pl022);
 	status = spi_register_master(master);
@@ -2269,9 +2103,6 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
 	return 0;
 
  err_spi_register:
- err_start_queue:
- err_init_queue:
-	destroy_queue(pl022);
 	if (platform_info->enable_dma)
 		pl022_dma_remove(pl022);
 
@@ -2307,9 +2138,6 @@ pl022_remove(struct amba_device *adev)
 	 */
 	pm_runtime_get_noresume(&adev->dev);
 
-	/* Remove the queue */
-	if (destroy_queue(pl022) != 0)
-		dev_err(&adev->dev, "queue remove failed\n");
 	load_ssp_default_config(pl022);
 	if (pl022->master_info->enable_dma)
 		pl022_dma_remove(pl022);
@@ -2331,12 +2159,12 @@ pl022_remove(struct amba_device *adev)
 static int pl022_suspend(struct device *dev)
 {
 	struct pl022 *pl022 = dev_get_drvdata(dev);
-	int status = 0;
+	int ret;
 
-	status = stop_queue(pl022);
-	if (status) {
-		dev_warn(dev, "suspend cannot stop queue\n");
-		return status;
+	ret = spi_master_suspend(pl022->master);
+	if (ret) {
+		dev_warn(dev, "cannot suspend master\n");
+		return ret;
 	}
 
 	dev_dbg(dev, "suspended\n");
@@ -2346,16 +2174,16 @@ static int pl022_suspend(struct device *dev)
 static int pl022_resume(struct device *dev)
 {
 	struct pl022 *pl022 = dev_get_drvdata(dev);
-	int status = 0;
+	int ret;
 
 	/* Start the queue running */
-	status = start_queue(pl022);
-	if (status)
-		dev_err(dev, "problem starting queue (%d)\n", status);
+	ret = spi_master_resume(pl022->master);
+	if (ret)
+		dev_err(dev, "problem starting queue (%d)\n", ret);
 	else
 		dev_dbg(dev, "resumed\n");
 
-	return status;
+	return ret;
 }
 #endif	/* CONFIG_PM */
 
diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index 8caa07d58e69..3fb44afe27b4 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -151,7 +151,7 @@ static void __devexit ce4100_spi_remove(struct pci_dev *dev)
 	kfree(spi_info);
 }
 
-static struct pci_device_id ce4100_spi_devices[] __devinitdata = {
+static DEFINE_PCI_DEVICE_TABLE(ce4100_spi_devices) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x2e6a) },
 	{ },
 };
diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
new file mode 100644
index 000000000000..354f170eab95
--- /dev/null
+++ b/drivers/spi/spi-rspi.c
@@ -0,0 +1,521 @@
+/*
+ * SH RSPI driver
+ *
+ * Copyright (C) 2012  Renesas Solutions Corp.
+ *
+ * Based on spi-sh.c:
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/list.h>
+#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/spi/spi.h>
+
+#define RSPI_SPCR		0x00
+#define RSPI_SSLP		0x01
+#define RSPI_SPPCR		0x02
+#define RSPI_SPSR		0x03
+#define RSPI_SPDR		0x04
+#define RSPI_SPSCR		0x08
+#define RSPI_SPSSR		0x09
+#define RSPI_SPBR		0x0a
+#define RSPI_SPDCR		0x0b
+#define RSPI_SPCKD		0x0c
+#define RSPI_SSLND		0x0d
+#define RSPI_SPND		0x0e
+#define RSPI_SPCR2		0x0f
+#define RSPI_SPCMD0		0x10
+#define RSPI_SPCMD1		0x12
+#define RSPI_SPCMD2		0x14
+#define RSPI_SPCMD3		0x16
+#define RSPI_SPCMD4		0x18
+#define RSPI_SPCMD5		0x1a
+#define RSPI_SPCMD6		0x1c
+#define RSPI_SPCMD7		0x1e
+
+/* SPCR */
+#define SPCR_SPRIE		0x80
+#define SPCR_SPE		0x40
+#define SPCR_SPTIE		0x20
+#define SPCR_SPEIE		0x10
+#define SPCR_MSTR		0x08
+#define SPCR_MODFEN		0x04
+#define SPCR_TXMD		0x02
+#define SPCR_SPMS		0x01
+
+/* SSLP */
+#define SSLP_SSL1P		0x02
+#define SSLP_SSL0P		0x01
+
+/* SPPCR */
+#define SPPCR_MOIFE		0x20
+#define SPPCR_MOIFV		0x10
+#define SPPCR_SPOM		0x04
+#define SPPCR_SPLP2		0x02
+#define SPPCR_SPLP		0x01
+
+/* SPSR */
+#define SPSR_SPRF		0x80
+#define SPSR_SPTEF		0x20
+#define SPSR_PERF		0x08
+#define SPSR_MODF		0x04
+#define SPSR_IDLNF		0x02
+#define SPSR_OVRF		0x01
+
+/* SPSCR */
+#define SPSCR_SPSLN_MASK	0x07
+
+/* SPSSR */
+#define SPSSR_SPECM_MASK	0x70
+#define SPSSR_SPCP_MASK		0x07
+
+/* SPDCR */
+#define SPDCR_SPLW		0x20
+#define SPDCR_SPRDTD		0x10
+#define SPDCR_SLSEL1		0x08
+#define SPDCR_SLSEL0		0x04
+#define SPDCR_SLSEL_MASK	0x0c
+#define SPDCR_SPFC1		0x02
+#define SPDCR_SPFC0		0x01
+
+/* SPCKD */
+#define SPCKD_SCKDL_MASK	0x07
+
+/* SSLND */
+#define SSLND_SLNDL_MASK	0x07
+
+/* SPND */
+#define SPND_SPNDL_MASK		0x07
+
+/* SPCR2 */
+#define SPCR2_PTE		0x08
+#define SPCR2_SPIE		0x04
+#define SPCR2_SPOE		0x02
+#define SPCR2_SPPE		0x01
+
+/* SPCMDn */
+#define SPCMD_SCKDEN		0x8000
+#define SPCMD_SLNDEN		0x4000
+#define SPCMD_SPNDEN		0x2000
+#define SPCMD_LSBF		0x1000
+#define SPCMD_SPB_MASK		0x0f00
+#define SPCMD_SPB_8_TO_16(bit)	(((bit - 1) << 8) & SPCMD_SPB_MASK)
+#define SPCMD_SPB_20BIT		0x0000
+#define SPCMD_SPB_24BIT		0x0100
+#define SPCMD_SPB_32BIT		0x0200
+#define SPCMD_SSLKP		0x0080
+#define SPCMD_SSLA_MASK		0x0030
+#define SPCMD_BRDV_MASK		0x000c
+#define SPCMD_CPOL		0x0002
+#define SPCMD_CPHA		0x0001
+
+struct rspi_data {
+	void __iomem *addr;
+	u32 max_speed_hz;
+	struct spi_master *master;
+	struct list_head queue;
+	struct work_struct ws;
+	wait_queue_head_t wait;
+	spinlock_t lock;
+	struct clk *clk;
+	unsigned char spsr;
+};
+
+static void rspi_write8(struct rspi_data *rspi, u8 data, u16 offset)
+{
+	iowrite8(data, rspi->addr + offset);
+}
+
+static void rspi_write16(struct rspi_data *rspi, u16 data, u16 offset)
+{
+	iowrite16(data, rspi->addr + offset);
+}
+
+static u8 rspi_read8(struct rspi_data *rspi, u16 offset)
+{
+	return ioread8(rspi->addr + offset);
+}
+
+static u16 rspi_read16(struct rspi_data *rspi, u16 offset)
+{
+	return ioread16(rspi->addr + offset);
+}
+
+static unsigned char rspi_calc_spbr(struct rspi_data *rspi)
+{
+	int tmp;
+	unsigned char spbr;
+
+	tmp = clk_get_rate(rspi->clk) / (2 * rspi->max_speed_hz) - 1;
+	spbr = clamp(tmp, 0, 255);
+
+	return spbr;
+}
+
+static void rspi_enable_irq(struct rspi_data *rspi, u8 enable)
+{
+	rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) | enable, RSPI_SPCR);
+}
+
+static void rspi_disable_irq(struct rspi_data *rspi, u8 disable)
+{
+	rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~disable, RSPI_SPCR);
+}
+
+static int rspi_wait_for_interrupt(struct rspi_data *rspi, u8 wait_mask,
+				   u8 enable_bit)
+{
+	int ret;
+
+	rspi->spsr = rspi_read8(rspi, RSPI_SPSR);
+	rspi_enable_irq(rspi, enable_bit);
+	ret = wait_event_timeout(rspi->wait, rspi->spsr & wait_mask, HZ);
+	if (ret == 0 && !(rspi->spsr & wait_mask))
+		return -ETIMEDOUT;
+
+	return 0;
+}
+
+static void rspi_assert_ssl(struct rspi_data *rspi)
+{
+	rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) | SPCR_SPE, RSPI_SPCR);
+}
+
+static void rspi_negate_ssl(struct rspi_data *rspi)
+{
+	rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~SPCR_SPE, RSPI_SPCR);
+}
+
+static int rspi_set_config_register(struct rspi_data *rspi, int access_size)
+{
+	/* Sets output mode(CMOS) and MOSI signal(from previous transfer) */
+	rspi_write8(rspi, 0x00, RSPI_SPPCR);
+
+	/* Sets transfer bit rate */
+	rspi_write8(rspi, rspi_calc_spbr(rspi), RSPI_SPBR);
+
+	/* Sets number of frames to be used: 1 frame */
+	rspi_write8(rspi, 0x00, RSPI_SPDCR);
+
+	/* Sets RSPCK, SSL, next-access delay value */
+	rspi_write8(rspi, 0x00, RSPI_SPCKD);
+	rspi_write8(rspi, 0x00, RSPI_SSLND);
+	rspi_write8(rspi, 0x00, RSPI_SPND);
+
+	/* Sets parity, interrupt mask */
+	rspi_write8(rspi, 0x00, RSPI_SPCR2);
+
+	/* Sets SPCMD */
+	rspi_write16(rspi, SPCMD_SPB_8_TO_16(access_size) | SPCMD_SSLKP,
+		     RSPI_SPCMD0);
+
+	/* Sets RSPI mode */
+	rspi_write8(rspi, SPCR_MSTR, RSPI_SPCR);
+
+	return 0;
+}
+
+static int rspi_send_pio(struct rspi_data *rspi, struct spi_message *mesg,
+			 struct spi_transfer *t)
+{
+	int remain = t->len;
+	u8 *data;
+
+	data = (u8 *)t->tx_buf;
+	while (remain > 0) {
+		rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) | SPCR_TXMD,
+			    RSPI_SPCR);
+
+		if (rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE) < 0) {
+			dev_err(&rspi->master->dev,
+				"%s: tx empty timeout\n", __func__);
+			return -ETIMEDOUT;
+		}
+
+		rspi_write16(rspi, *data, RSPI_SPDR);
+		data++;
+		remain--;
+	}
+
+	/* Waiting for the last transmition */
+	rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE);
+
+	return 0;
+}
+
+static int rspi_receive_pio(struct rspi_data *rspi, struct spi_message *mesg,
+			    struct spi_transfer *t)
+{
+	int remain = t->len;
+	u8 *data;
+	unsigned char spsr;
+
+	spsr = rspi_read8(rspi, RSPI_SPSR);
+	if (spsr & SPSR_SPRF)
+		rspi_read16(rspi, RSPI_SPDR);	/* dummy read */
+	if (spsr & SPSR_OVRF)
+		rspi_write8(rspi, rspi_read8(rspi, RSPI_SPSR) & ~SPSR_OVRF,
+			    RSPI_SPCR);
+
+	data = (u8 *)t->rx_buf;
+	while (remain > 0) {
+		rspi_write8(rspi, rspi_read8(rspi, RSPI_SPCR) & ~SPCR_TXMD,
+			    RSPI_SPCR);
+
+		if (rspi_wait_for_interrupt(rspi, SPSR_SPTEF, SPCR_SPTIE) < 0) {
+			dev_err(&rspi->master->dev,
+				"%s: tx empty timeout\n", __func__);
+			return -ETIMEDOUT;
+		}
+		/* dummy write for generate clock */
+		rspi_write16(rspi, 0x00, RSPI_SPDR);
+
+		if (rspi_wait_for_interrupt(rspi, SPSR_SPRF, SPCR_SPRIE) < 0) {
+			dev_err(&rspi->master->dev,
+				"%s: receive timeout\n", __func__);
+			return -ETIMEDOUT;
+		}
+		/* SPDR allows 16 or 32-bit access only */
+		*data = (u8)rspi_read16(rspi, RSPI_SPDR);
+
+		data++;
+		remain--;
+	}
+
+	return 0;
+}
+
+static void rspi_work(struct work_struct *work)
+{
+	struct rspi_data *rspi = container_of(work, struct rspi_data, ws);
+	struct spi_message *mesg;
+	struct spi_transfer *t;
+	unsigned long flags;
+	int ret;
+
+	spin_lock_irqsave(&rspi->lock, flags);
+	while (!list_empty(&rspi->queue)) {
+		mesg = list_entry(rspi->queue.next, struct spi_message, queue);
+		list_del_init(&mesg->queue);
+		spin_unlock_irqrestore(&rspi->lock, flags);
+
+		rspi_assert_ssl(rspi);
+
+		list_for_each_entry(t, &mesg->transfers, transfer_list) {
+			if (t->tx_buf) {
+				ret = rspi_send_pio(rspi, mesg, t);
+				if (ret < 0)
+					goto error;
+			}
+			if (t->rx_buf) {
+				ret = rspi_receive_pio(rspi, mesg, t);
+				if (ret < 0)
+					goto error;
+			}
+			mesg->actual_length += t->len;
+		}
+		rspi_negate_ssl(rspi);
+
+		mesg->status = 0;
+		mesg->complete(mesg->context);
+
+		spin_lock_irqsave(&rspi->lock, flags);
+	}
+
+	return;
+
+error:
+	mesg->status = ret;
+	mesg->complete(mesg->context);
+}
+
+static int rspi_setup(struct spi_device *spi)
+{
+	struct rspi_data *rspi = spi_master_get_devdata(spi->master);
+
+	if (!spi->bits_per_word)
+		spi->bits_per_word = 8;
+	rspi->max_speed_hz = spi->max_speed_hz;
+
+	rspi_set_config_register(rspi, 8);
+
+	return 0;
+}
+
+static int rspi_transfer(struct spi_device *spi, struct spi_message *mesg)
+{
+	struct rspi_data *rspi = spi_master_get_devdata(spi->master);
+	unsigned long flags;
+
+	mesg->actual_length = 0;
+	mesg->status = -EINPROGRESS;
+
+	spin_lock_irqsave(&rspi->lock, flags);
+	list_add_tail(&mesg->queue, &rspi->queue);
+	schedule_work(&rspi->ws);
+	spin_unlock_irqrestore(&rspi->lock, flags);
+
+	return 0;
+}
+
+static void rspi_cleanup(struct spi_device *spi)
+{
+}
+
+static irqreturn_t rspi_irq(int irq, void *_sr)
+{
+	struct rspi_data *rspi = (struct rspi_data *)_sr;
+	unsigned long spsr;
+	irqreturn_t ret = IRQ_NONE;
+	unsigned char disable_irq = 0;
+
+	rspi->spsr = spsr = rspi_read8(rspi, RSPI_SPSR);
+	if (spsr & SPSR_SPRF)
+		disable_irq |= SPCR_SPRIE;
+	if (spsr & SPSR_SPTEF)
+		disable_irq |= SPCR_SPTIE;
+
+	if (disable_irq) {
+		ret = IRQ_HANDLED;
+		rspi_disable_irq(rspi, disable_irq);
+		wake_up(&rspi->wait);
+	}
+
+	return ret;
+}
+
+static int __devexit rspi_remove(struct platform_device *pdev)
+{
+	struct rspi_data *rspi = dev_get_drvdata(&pdev->dev);
+
+	spi_unregister_master(rspi->master);
+	free_irq(platform_get_irq(pdev, 0), rspi);
+	clk_put(rspi->clk);
+	iounmap(rspi->addr);
+	spi_master_put(rspi->master);
+
+	return 0;
+}
+
+static int __devinit rspi_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+	struct spi_master *master;
+	struct rspi_data *rspi;
+	int ret, irq;
+	char clk_name[16];
+
+	/* get base addr */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (unlikely(res == NULL)) {
+		dev_err(&pdev->dev, "invalid resource\n");
+		return -EINVAL;
+	}
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "platform_get_irq error\n");
+		return -ENODEV;
+	}
+
+	master = spi_alloc_master(&pdev->dev, sizeof(struct rspi_data));
+	if (master == NULL) {
+		dev_err(&pdev->dev, "spi_alloc_master error.\n");
+		return -ENOMEM;
+	}
+
+	rspi = spi_master_get_devdata(master);
+	dev_set_drvdata(&pdev->dev, rspi);
+
+	rspi->master = master;
+	rspi->addr = ioremap(res->start, resource_size(res));
+	if (rspi->addr == NULL) {
+		dev_err(&pdev->dev, "ioremap error.\n");
+		ret = -ENOMEM;
+		goto error1;
+	}
+
+	snprintf(clk_name, sizeof(clk_name), "rspi%d", pdev->id);
+	rspi->clk = clk_get(&pdev->dev, clk_name);
+	if (IS_ERR(rspi->clk)) {
+		dev_err(&pdev->dev, "cannot get clock\n");
+		ret = PTR_ERR(rspi->clk);
+		goto error2;
+	}
+	clk_enable(rspi->clk);
+
+	INIT_LIST_HEAD(&rspi->queue);
+	spin_lock_init(&rspi->lock);
+	INIT_WORK(&rspi->ws, rspi_work);
+	init_waitqueue_head(&rspi->wait);
+
+	master->num_chipselect = 2;
+	master->bus_num = pdev->id;
+	master->setup = rspi_setup;
+	master->transfer = rspi_transfer;
+	master->cleanup = rspi_cleanup;
+
+	ret = request_irq(irq, rspi_irq, 0, dev_name(&pdev->dev), rspi);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "request_irq error\n");
+		goto error3;
+	}
+
+	ret = spi_register_master(master);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "spi_register_master error.\n");
+		goto error4;
+	}
+
+	dev_info(&pdev->dev, "probed\n");
+
+	return 0;
+
+error4:
+	free_irq(irq, rspi);
+error3:
+	clk_put(rspi->clk);
+error2:
+	iounmap(rspi->addr);
+error1:
+	spi_master_put(master);
+
+	return ret;
+}
+
+static struct platform_driver rspi_driver = {
+	.probe =	rspi_probe,
+	.remove =	__devexit_p(rspi_remove),
+	.driver		= {
+		.name = "rspi",
+		.owner	= THIS_MODULE,
+	},
+};
+module_platform_driver(rspi_driver);
+
+MODULE_DESCRIPTION("Renesas RSPI bus driver");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Yoshihiro Shimoda");
+MODULE_ALIAS("platform:rspi");
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index dcf7e1006426..972a94c58be3 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -20,10 +20,12 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/workqueue.h>
+#include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 #include <linux/spi/spi.h>
 
 #include <mach/dma.h>
@@ -126,8 +128,6 @@
 
 #define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t)
 
-#define SUSPND    (1<<0)
-#define SPIBUSY   (1<<1)
 #define RXBUSY    (1<<2)
 #define TXBUSY    (1<<3)
 
@@ -142,10 +142,8 @@ struct s3c64xx_spi_dma_data {
  * @clk: Pointer to the spi clock.
  * @src_clk: Pointer to the clock used to generate SPI signals.
  * @master: Pointer to the SPI Protocol master.
- * @workqueue: Work queue for the SPI xfer requests.
  * @cntrlr_info: Platform specific data for the controller this driver manages.
  * @tgl_spi: Pointer to the last CS left untoggled by the cs_change hint.
- * @work: Work
  * @queue: To log SPI xfer requests.
  * @lock: Controller specific lock.
  * @state: Set of FLAGS to indicate status.
@@ -153,6 +151,7 @@ struct s3c64xx_spi_dma_data {
  * @tx_dmach: Controller's DMA channel for Tx.
  * @sfr_start: BUS address of SPI controller regs.
  * @regs: Pointer to ioremap'ed controller registers.
+ * @irq: interrupt
  * @xfer_completion: To indicate completion of xfer task.
  * @cur_mode: Stores the active configuration of the controller.
  * @cur_bpw: Stores the active bits per word settings.
@@ -164,10 +163,8 @@ struct s3c64xx_spi_driver_data {
 	struct clk                      *src_clk;
 	struct platform_device          *pdev;
 	struct spi_master               *master;
-	struct workqueue_struct	        *workqueue;
 	struct s3c64xx_spi_info  *cntrlr_info;
 	struct spi_device               *tgl_spi;
-	struct work_struct              work;
 	struct list_head                queue;
 	spinlock_t                      lock;
 	unsigned long                   sfr_start;
@@ -239,7 +236,7 @@ static void s3c64xx_spi_dmacb(void *data)
 	struct s3c64xx_spi_dma_data *dma = data;
 	unsigned long flags;
 
-	if (dma->direction == DMA_FROM_DEVICE)
+	if (dma->direction == DMA_DEV_TO_MEM)
 		sdd = container_of(data,
 			struct s3c64xx_spi_driver_data, rx_dma);
 	else
@@ -248,7 +245,7 @@ static void s3c64xx_spi_dmacb(void *data)
 
 	spin_lock_irqsave(&sdd->lock, flags);
 
-	if (dma->direction == DMA_FROM_DEVICE) {
+	if (dma->direction == DMA_DEV_TO_MEM) {
 		sdd->state &= ~RXBUSY;
 		if (!(sdd->state & TXBUSY))
 			complete(&sdd->xfer_completion);
@@ -267,7 +264,7 @@ static void prepare_dma(struct s3c64xx_spi_dma_data *dma,
 	struct s3c64xx_spi_driver_data *sdd;
 	struct samsung_dma_prep_info info;
 
-	if (dma->direction == DMA_FROM_DEVICE)
+	if (dma->direction == DMA_DEV_TO_MEM)
 		sdd = container_of((void *)dma,
 			struct s3c64xx_spi_driver_data, rx_dma);
 	else
@@ -634,9 +631,10 @@ static void s3c64xx_spi_unmap_mssg(struct s3c64xx_spi_driver_data *sdd,
 	}
 }
 
-static void handle_msg(struct s3c64xx_spi_driver_data *sdd,
-					struct spi_message *msg)
+static int s3c64xx_spi_transfer_one_message(struct spi_master *master,
+					    struct spi_message *msg)
 {
+	struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
 	struct s3c64xx_spi_info *sci = sdd->cntrlr_info;
 	struct spi_device *spi = msg->spi;
 	struct s3c64xx_spi_csinfo *cs = spi->controller_data;
@@ -766,73 +764,33 @@ out:
 
 	msg->status = status;
 
-	if (msg->complete)
-		msg->complete(msg->context);
+	spi_finalize_current_message(master);
+
+	return 0;
 }
 
-static void s3c64xx_spi_work(struct work_struct *work)
+static int s3c64xx_spi_prepare_transfer(struct spi_master *spi)
 {
-	struct s3c64xx_spi_driver_data *sdd = container_of(work,
-					struct s3c64xx_spi_driver_data, work);
-	unsigned long flags;
+	struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(spi);
 
 	/* Acquire DMA channels */
 	while (!acquire_dma(sdd))
 		msleep(10);
 
-	spin_lock_irqsave(&sdd->lock, flags);
-
-	while (!list_empty(&sdd->queue)
-				&& !(sdd->state & SUSPND)) {
-
-		struct spi_message *msg;
-
-		msg = container_of(sdd->queue.next, struct spi_message, queue);
-
-		list_del_init(&msg->queue);
-
-		/* Set Xfer busy flag */
-		sdd->state |= SPIBUSY;
-
-		spin_unlock_irqrestore(&sdd->lock, flags);
-
-		handle_msg(sdd, msg);
+	pm_runtime_get_sync(&sdd->pdev->dev);
 
-		spin_lock_irqsave(&sdd->lock, flags);
-
-		sdd->state &= ~SPIBUSY;
-	}
+	return 0;
+}
 
-	spin_unlock_irqrestore(&sdd->lock, flags);
+static int s3c64xx_spi_unprepare_transfer(struct spi_master *spi)
+{
+	struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(spi);
 
 	/* Free DMA channels */
 	sdd->ops->release(sdd->rx_dma.ch, &s3c64xx_spi_dma_client);
 	sdd->ops->release(sdd->tx_dma.ch, &s3c64xx_spi_dma_client);
-}
 
-static int s3c64xx_spi_transfer(struct spi_device *spi,
-						struct spi_message *msg)
-{
-	struct s3c64xx_spi_driver_data *sdd;
-	unsigned long flags;
-
-	sdd = spi_master_get_devdata(spi->master);
-
-	spin_lock_irqsave(&sdd->lock, flags);
-
-	if (sdd->state & SUSPND) {
-		spin_unlock_irqrestore(&sdd->lock, flags);
-		return -ESHUTDOWN;
-	}
-
-	msg->status = -EINPROGRESS;
-	msg->actual_length = 0;
-
-	list_add_tail(&msg->queue, &sdd->queue);
-
-	queue_work(sdd->workqueue, &sdd->work);
-
-	spin_unlock_irqrestore(&sdd->lock, flags);
+	pm_runtime_put(&sdd->pdev->dev);
 
 	return 0;
 }
@@ -872,13 +830,6 @@ static int s3c64xx_spi_setup(struct spi_device *spi)
 		}
 	}
 
-	if (sdd->state & SUSPND) {
-		spin_unlock_irqrestore(&sdd->lock, flags);
-		dev_err(&spi->dev,
-			"setup: SPI-%d not active!\n", spi->master->bus_num);
-		return -ESHUTDOWN;
-	}
-
 	spin_unlock_irqrestore(&sdd->lock, flags);
 
 	if (spi->bits_per_word != 8
@@ -890,6 +841,8 @@ static int s3c64xx_spi_setup(struct spi_device *spi)
 		goto setup_exit;
 	}
 
+	pm_runtime_get_sync(&sdd->pdev->dev);
+
 	/* Check if we can provide the requested rate */
 	if (!sci->clk_from_cmu) {
 		u32 psr, speed;
@@ -922,6 +875,8 @@ static int s3c64xx_spi_setup(struct spi_device *spi)
 			err = -EINVAL;
 	}
 
+	pm_runtime_put(&sdd->pdev->dev);
+
 setup_exit:
 
 	/* setup() returns with device de-selected */
@@ -930,6 +885,33 @@ setup_exit:
 	return err;
 }
 
+static irqreturn_t s3c64xx_spi_irq(int irq, void *data)
+{
+	struct s3c64xx_spi_driver_data *sdd = data;
+	struct spi_master *spi = sdd->master;
+	unsigned int val;
+
+	val = readl(sdd->regs + S3C64XX_SPI_PENDING_CLR);
+
+	val &= S3C64XX_SPI_PND_RX_OVERRUN_CLR |
+		S3C64XX_SPI_PND_RX_UNDERRUN_CLR |
+		S3C64XX_SPI_PND_TX_OVERRUN_CLR |
+		S3C64XX_SPI_PND_TX_UNDERRUN_CLR;
+
+	writel(val, sdd->regs + S3C64XX_SPI_PENDING_CLR);
+
+	if (val & S3C64XX_SPI_PND_RX_OVERRUN_CLR)
+		dev_err(&spi->dev, "RX overrun\n");
+	if (val & S3C64XX_SPI_PND_RX_UNDERRUN_CLR)
+		dev_err(&spi->dev, "RX underrun\n");
+	if (val & S3C64XX_SPI_PND_TX_OVERRUN_CLR)
+		dev_err(&spi->dev, "TX overrun\n");
+	if (val & S3C64XX_SPI_PND_TX_UNDERRUN_CLR)
+		dev_err(&spi->dev, "TX underrun\n");
+
+	return IRQ_HANDLED;
+}
+
 static void s3c64xx_spi_hwinit(struct s3c64xx_spi_driver_data *sdd, int channel)
 {
 	struct s3c64xx_spi_info *sci = sdd->cntrlr_info;
@@ -970,7 +952,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
 	struct s3c64xx_spi_driver_data *sdd;
 	struct s3c64xx_spi_info *sci;
 	struct spi_master *master;
-	int ret;
+	int ret, irq;
 	char clk_name[16];
 
 	if (pdev->id < 0) {
@@ -1006,6 +988,12 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
 		return -ENXIO;
 	}
 
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_warn(&pdev->dev, "Failed to get IRQ: %d\n", irq);
+		return irq;
+	}
+
 	master = spi_alloc_master(&pdev->dev,
 				sizeof(struct s3c64xx_spi_driver_data));
 	if (master == NULL) {
@@ -1021,15 +1009,17 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
 	sdd->pdev = pdev;
 	sdd->sfr_start = mem_res->start;
 	sdd->tx_dma.dmach = dmatx_res->start;
-	sdd->tx_dma.direction = DMA_TO_DEVICE;
+	sdd->tx_dma.direction = DMA_MEM_TO_DEV;
 	sdd->rx_dma.dmach = dmarx_res->start;
-	sdd->rx_dma.direction = DMA_FROM_DEVICE;
+	sdd->rx_dma.direction = DMA_DEV_TO_MEM;
 
 	sdd->cur_bpw = 8;
 
 	master->bus_num = pdev->id;
 	master->setup = s3c64xx_spi_setup;
-	master->transfer = s3c64xx_spi_transfer;
+	master->prepare_transfer_hardware = s3c64xx_spi_prepare_transfer;
+	master->transfer_one_message = s3c64xx_spi_transfer_one_message;
+	master->unprepare_transfer_hardware = s3c64xx_spi_unprepare_transfer;
 	master->num_chipselect = sci->num_cs;
 	master->dma_alignment = 8;
 	/* the spi->mode bits understood by this driver: */
@@ -1084,22 +1074,24 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
 		goto err6;
 	}
 
-	sdd->workqueue = create_singlethread_workqueue(
-						dev_name(master->dev.parent));
-	if (sdd->workqueue == NULL) {
-		dev_err(&pdev->dev, "Unable to create workqueue\n");
-		ret = -ENOMEM;
-		goto err7;
-	}
-
 	/* Setup Deufult Mode */
 	s3c64xx_spi_hwinit(sdd, pdev->id);
 
 	spin_lock_init(&sdd->lock);
 	init_completion(&sdd->xfer_completion);
-	INIT_WORK(&sdd->work, s3c64xx_spi_work);
 	INIT_LIST_HEAD(&sdd->queue);
 
+	ret = request_irq(irq, s3c64xx_spi_irq, 0, "spi-s3c64xx", sdd);
+	if (ret != 0) {
+		dev_err(&pdev->dev, "Failed to request IRQ %d: %d\n",
+			irq, ret);
+		goto err7;
+	}
+
+	writel(S3C64XX_SPI_INT_RX_OVERRUN_EN | S3C64XX_SPI_INT_RX_UNDERRUN_EN |
+	       S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN,
+	       sdd->regs + S3C64XX_SPI_INT_EN);
+
 	if (spi_register_master(master)) {
 		dev_err(&pdev->dev, "cannot register SPI master\n");
 		ret = -EBUSY;
@@ -1113,10 +1105,12 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
 					mem_res->end, mem_res->start,
 					sdd->rx_dma.dmach, sdd->tx_dma.dmach);
 
+	pm_runtime_enable(&pdev->dev);
+
 	return 0;
 
 err8:
-	destroy_workqueue(sdd->workqueue);
+	free_irq(irq, sdd);
 err7:
 	clk_disable(sdd->src_clk);
 err6:
@@ -1142,18 +1136,14 @@ static int s3c64xx_spi_remove(struct platform_device *pdev)
 	struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
 	struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
 	struct resource	*mem_res;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sdd->lock, flags);
-	sdd->state |= SUSPND;
-	spin_unlock_irqrestore(&sdd->lock, flags);
 
-	while (sdd->state & SPIBUSY)
-		msleep(10);
+	pm_runtime_disable(&pdev->dev);
 
 	spi_unregister_master(master);
 
-	destroy_workqueue(sdd->workqueue);
+	writel(0, sdd->regs + S3C64XX_SPI_INT_EN);
+
+	free_irq(platform_get_irq(pdev, 0), sdd);
 
 	clk_disable(sdd->src_clk);
 	clk_put(sdd->src_clk);
@@ -1174,18 +1164,12 @@ static int s3c64xx_spi_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM
-static int s3c64xx_spi_suspend(struct platform_device *pdev, pm_message_t state)
+static int s3c64xx_spi_suspend(struct device *dev)
 {
-	struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
+	struct spi_master *master = spi_master_get(dev_get_drvdata(dev));
 	struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
-	unsigned long flags;
-
-	spin_lock_irqsave(&sdd->lock, flags);
-	sdd->state |= SUSPND;
-	spin_unlock_irqrestore(&sdd->lock, flags);
 
-	while (sdd->state & SPIBUSY)
-		msleep(10);
+	spi_master_suspend(master);
 
 	/* Disable the clock */
 	clk_disable(sdd->src_clk);
@@ -1196,12 +1180,12 @@ static int s3c64xx_spi_suspend(struct platform_device *pdev, pm_message_t state)
 	return 0;
 }
 
-static int s3c64xx_spi_resume(struct platform_device *pdev)
+static int s3c64xx_spi_resume(struct device *dev)
 {
-	struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
+	struct platform_device *pdev = to_platform_device(dev);
+	struct spi_master *master = spi_master_get(dev_get_drvdata(dev));
 	struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
 	struct s3c64xx_spi_info *sci = sdd->cntrlr_info;
-	unsigned long flags;
 
 	sci->cfg_gpio(pdev);
 
@@ -1211,25 +1195,49 @@ static int s3c64xx_spi_resume(struct platform_device *pdev)
 
 	s3c64xx_spi_hwinit(sdd, pdev->id);
 
-	spin_lock_irqsave(&sdd->lock, flags);
-	sdd->state &= ~SUSPND;
-	spin_unlock_irqrestore(&sdd->lock, flags);
+	spi_master_resume(master);
 
 	return 0;
 }
-#else
-#define s3c64xx_spi_suspend	NULL
-#define s3c64xx_spi_resume	NULL
 #endif /* CONFIG_PM */
 
+#ifdef CONFIG_PM_RUNTIME
+static int s3c64xx_spi_runtime_suspend(struct device *dev)
+{
+	struct spi_master *master = spi_master_get(dev_get_drvdata(dev));
+	struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
+
+	clk_disable(sdd->clk);
+	clk_disable(sdd->src_clk);
+
+	return 0;
+}
+
+static int s3c64xx_spi_runtime_resume(struct device *dev)
+{
+	struct spi_master *master = spi_master_get(dev_get_drvdata(dev));
+	struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
+
+	clk_enable(sdd->src_clk);
+	clk_enable(sdd->clk);
+
+	return 0;
+}
+#endif /* CONFIG_PM_RUNTIME */
+
+static const struct dev_pm_ops s3c64xx_spi_pm = {
+	SET_SYSTEM_SLEEP_PM_OPS(s3c64xx_spi_suspend, s3c64xx_spi_resume)
+	SET_RUNTIME_PM_OPS(s3c64xx_spi_runtime_suspend,
+			   s3c64xx_spi_runtime_resume, NULL)
+};
+
 static struct platform_driver s3c64xx_spi_driver = {
 	.driver = {
 		.name	= "s3c64xx-spi",
 		.owner = THIS_MODULE,
+		.pm = &s3c64xx_spi_pm,
 	},
 	.remove = s3c64xx_spi_remove,
-	.suspend = s3c64xx_spi_suspend,
-	.resume = s3c64xx_spi_resume,
 };
 MODULE_ALIAS("platform:s3c64xx-spi");
 
diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c
new file mode 100644
index 000000000000..934138c7b3d3
--- /dev/null
+++ b/drivers/spi/spi-sh-hspi.c
@@ -0,0 +1,331 @@
+/*
+ * SuperH HSPI bus driver
+ *
+ * Copyright (C) 2011  Kuninori Morimoto
+ *
+ * Based on spi-sh.c:
+ * Based on pxa2xx_spi.c:
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/timer.h>
+#include <linux/delay.h>
+#include <linux/list.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/io.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/sh_hspi.h>
+
+#define SPCR	0x00
+#define SPSR	0x04
+#define SPSCR	0x08
+#define SPTBR	0x0C
+#define SPRBR	0x10
+#define SPCR2	0x14
+
+/* SPSR */
+#define RXFL	(1 << 2)
+
+#define hspi2info(h)	(h->dev->platform_data)
+
+struct hspi_priv {
+	void __iomem *addr;
+	struct spi_master *master;
+	struct device *dev;
+	struct clk *clk;
+};
+
+/*
+ *		basic function
+ */
+static void hspi_write(struct hspi_priv *hspi, int reg, u32 val)
+{
+	iowrite32(val, hspi->addr + reg);
+}
+
+static u32 hspi_read(struct hspi_priv *hspi, int reg)
+{
+	return ioread32(hspi->addr + reg);
+}
+
+/*
+ *		transfer function
+ */
+static int hspi_status_check_timeout(struct hspi_priv *hspi, u32 mask, u32 val)
+{
+	int t = 256;
+
+	while (t--) {
+		if ((mask & hspi_read(hspi, SPSR)) == val)
+			return 0;
+
+		msleep(20);
+	}
+
+	dev_err(hspi->dev, "timeout\n");
+	return -ETIMEDOUT;
+}
+
+/*
+ *		spi master function
+ */
+static int hspi_prepare_transfer(struct spi_master *master)
+{
+	struct hspi_priv *hspi = spi_master_get_devdata(master);
+
+	pm_runtime_get_sync(hspi->dev);
+	return 0;
+}
+
+static int hspi_unprepare_transfer(struct spi_master *master)
+{
+	struct hspi_priv *hspi = spi_master_get_devdata(master);
+
+	pm_runtime_put_sync(hspi->dev);
+	return 0;
+}
+
+static void hspi_hw_setup(struct hspi_priv *hspi,
+			  struct spi_message *msg,
+			  struct spi_transfer *t)
+{
+	struct spi_device *spi = msg->spi;
+	struct device *dev = hspi->dev;
+	u32 target_rate;
+	u32 spcr, idiv_clk;
+	u32 rate, best_rate, min, tmp;
+
+	target_rate = t ? t->speed_hz : 0;
+	if (!target_rate)
+		target_rate = spi->max_speed_hz;
+
+	/*
+	 * find best IDIV/CLKCx settings
+	 */
+	min = ~0;
+	best_rate = 0;
+	spcr = 0;
+	for (idiv_clk = 0x00; idiv_clk <= 0x3F; idiv_clk++) {
+		rate = clk_get_rate(hspi->clk);
+
+		/* IDIV calculation */
+		if (idiv_clk & (1 << 5))
+			rate /= 128;
+		else
+			rate /= 16;
+
+		/* CLKCx calculation */
+		rate /= (((idiv_clk & 0x1F) + 1) * 2) ;
+
+		/* save best settings */
+		tmp = abs(target_rate - rate);
+		if (tmp < min) {
+			min = tmp;
+			spcr = idiv_clk;
+			best_rate = rate;
+		}
+	}
+
+	if (spi->mode & SPI_CPHA)
+		spcr |= 1 << 7;
+	if (spi->mode & SPI_CPOL)
+		spcr |= 1 << 6;
+
+	dev_dbg(dev, "speed %d/%d\n", target_rate, best_rate);
+
+	hspi_write(hspi, SPCR, spcr);
+	hspi_write(hspi, SPSR, 0x0);
+	hspi_write(hspi, SPSCR, 0x1);	/* master mode */
+}
+
+static int hspi_transfer_one_message(struct spi_master *master,
+				     struct spi_message *msg)
+{
+	struct hspi_priv *hspi = spi_master_get_devdata(master);
+	struct spi_transfer *t;
+	u32 tx;
+	u32 rx;
+	int ret, i;
+
+	dev_dbg(hspi->dev, "%s\n", __func__);
+
+	ret = 0;
+	list_for_each_entry(t, &msg->transfers, transfer_list) {
+		hspi_hw_setup(hspi, msg, t);
+
+		for (i = 0; i < t->len; i++) {
+
+			/* wait remains */
+			ret = hspi_status_check_timeout(hspi, 0x1, 0);
+			if (ret < 0)
+				break;
+
+			tx = 0;
+			if (t->tx_buf)
+				tx = (u32)((u8 *)t->tx_buf)[i];
+
+			hspi_write(hspi, SPTBR, tx);
+
+			/* wait recive */
+			ret = hspi_status_check_timeout(hspi, 0x4, 0x4);
+			if (ret < 0)
+				break;
+
+			rx = hspi_read(hspi, SPRBR);
+			if (t->rx_buf)
+				((u8 *)t->rx_buf)[i] = (u8)rx;
+
+		}
+
+		msg->actual_length += t->len;
+	}
+
+	msg->status = ret;
+	spi_finalize_current_message(master);
+
+	return ret;
+}
+
+static int hspi_setup(struct spi_device *spi)
+{
+	struct hspi_priv *hspi = spi_master_get_devdata(spi->master);
+	struct device *dev = hspi->dev;
+
+	if (8 != spi->bits_per_word) {
+		dev_err(dev, "bits_per_word should be 8\n");
+		return -EIO;
+	}
+
+	dev_dbg(dev, "%s setup\n", spi->modalias);
+
+	return 0;
+}
+
+static void hspi_cleanup(struct spi_device *spi)
+{
+	struct hspi_priv *hspi = spi_master_get_devdata(spi->master);
+	struct device *dev = hspi->dev;
+
+	dev_dbg(dev, "%s cleanup\n", spi->modalias);
+}
+
+static int __devinit hspi_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+	struct spi_master *master;
+	struct hspi_priv *hspi;
+	struct clk *clk;
+	int ret;
+
+	/* get base addr */
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "invalid resource\n");
+		return -EINVAL;
+	}
+
+	master = spi_alloc_master(&pdev->dev, sizeof(*hspi));
+	if (!master) {
+		dev_err(&pdev->dev, "spi_alloc_master error.\n");
+		return -ENOMEM;
+	}
+
+	clk = clk_get(NULL, "shyway_clk");
+	if (!clk) {
+		dev_err(&pdev->dev, "shyway_clk is required\n");
+		ret = -EINVAL;
+		goto error0;
+	}
+
+	hspi = spi_master_get_devdata(master);
+	dev_set_drvdata(&pdev->dev, hspi);
+
+	/* init hspi */
+	hspi->master	= master;
+	hspi->dev	= &pdev->dev;
+	hspi->clk	= clk;
+	hspi->addr	= devm_ioremap(hspi->dev,
+				       res->start, resource_size(res));
+	if (!hspi->addr) {
+		dev_err(&pdev->dev, "ioremap error.\n");
+		ret = -ENOMEM;
+		goto error1;
+	}
+
+	master->num_chipselect	= 1;
+	master->bus_num		= pdev->id;
+	master->setup		= hspi_setup;
+	master->cleanup		= hspi_cleanup;
+	master->mode_bits	= SPI_CPOL | SPI_CPHA;
+	master->prepare_transfer_hardware	= hspi_prepare_transfer;
+	master->transfer_one_message		= hspi_transfer_one_message;
+	master->unprepare_transfer_hardware	= hspi_unprepare_transfer;
+	ret = spi_register_master(master);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "spi_register_master error.\n");
+		goto error2;
+	}
+
+	pm_runtime_enable(&pdev->dev);
+
+	dev_info(&pdev->dev, "probed\n");
+
+	return 0;
+
+ error2:
+	devm_iounmap(hspi->dev, hspi->addr);
+ error1:
+	clk_put(clk);
+ error0:
+	spi_master_put(master);
+
+	return ret;
+}
+
+static int __devexit hspi_remove(struct platform_device *pdev)
+{
+	struct hspi_priv *hspi = dev_get_drvdata(&pdev->dev);
+
+	pm_runtime_disable(&pdev->dev);
+
+	clk_put(hspi->clk);
+	spi_unregister_master(hspi->master);
+	devm_iounmap(hspi->dev, hspi->addr);
+
+	return 0;
+}
+
+static struct platform_driver hspi_driver = {
+	.probe = hspi_probe,
+	.remove = __devexit_p(hspi_remove),
+	.driver = {
+		.name = "sh-hspi",
+		.owner = THIS_MODULE,
+	},
+};
+module_platform_driver(hspi_driver);
+
+MODULE_DESCRIPTION("SuperH HSPI bus driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
+MODULE_ALIAS("platform:sh_spi");
diff --git a/drivers/spi/spi-sh.c b/drivers/spi/spi-sh.c
index 70c8af9f7ccc..79442c31bcd9 100644
--- a/drivers/spi/spi-sh.c
+++ b/drivers/spi/spi-sh.c
@@ -92,17 +92,26 @@ struct spi_sh_data {
 	unsigned long cr1;
 	wait_queue_head_t wait;
 	spinlock_t lock;
+	int width;
 };
 
 static void spi_sh_write(struct spi_sh_data *ss, unsigned long data,
 			     unsigned long offset)
 {
-	writel(data, ss->addr + offset);
+	if (ss->width == 8)
+		iowrite8(data, ss->addr + (offset >> 2));
+	else if (ss->width == 32)
+		iowrite32(data, ss->addr + offset);
 }
 
 static unsigned long spi_sh_read(struct spi_sh_data *ss, unsigned long offset)
 {
-	return readl(ss->addr + offset);
+	if (ss->width == 8)
+		return ioread8(ss->addr + (offset >> 2));
+	else if (ss->width == 32)
+		return ioread32(ss->addr + offset);
+	else
+		return 0;
 }
 
 static void spi_sh_set_bit(struct spi_sh_data *ss, unsigned long val,
@@ -464,6 +473,18 @@ static int __devinit spi_sh_probe(struct platform_device *pdev)
 	ss = spi_master_get_devdata(master);
 	dev_set_drvdata(&pdev->dev, ss);
 
+	switch (res->flags & IORESOURCE_MEM_TYPE_MASK) {
+	case IORESOURCE_MEM_8BIT:
+		ss->width = 8;
+		break;
+	case IORESOURCE_MEM_32BIT:
+		ss->width = 32;
+		break;
+	default:
+		dev_err(&pdev->dev, "No support width\n");
+		ret = -ENODEV;
+		goto error1;
+	}
 	ss->irq = irq;
 	ss->master = master;
 	ss->addr = ioremap(res->start, resource_size(res));
diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
new file mode 100644
index 000000000000..52fe495bb32a
--- /dev/null
+++ b/drivers/spi/spi-sirf.c
@@ -0,0 +1,687 @@
+/*
+ * SPI bus driver for CSR SiRFprimaII
+ *
+ * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/clk.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/bitops.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/of_gpio.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+#include <linux/pinctrl/pinmux.h>
+
+#define DRIVER_NAME "sirfsoc_spi"
+
+#define SIRFSOC_SPI_CTRL		0x0000
+#define SIRFSOC_SPI_CMD			0x0004
+#define SIRFSOC_SPI_TX_RX_EN		0x0008
+#define SIRFSOC_SPI_INT_EN		0x000C
+#define SIRFSOC_SPI_INT_STATUS		0x0010
+#define SIRFSOC_SPI_TX_DMA_IO_CTRL	0x0100
+#define SIRFSOC_SPI_TX_DMA_IO_LEN	0x0104
+#define SIRFSOC_SPI_TXFIFO_CTRL		0x0108
+#define SIRFSOC_SPI_TXFIFO_LEVEL_CHK	0x010C
+#define SIRFSOC_SPI_TXFIFO_OP		0x0110
+#define SIRFSOC_SPI_TXFIFO_STATUS	0x0114
+#define SIRFSOC_SPI_TXFIFO_DATA		0x0118
+#define SIRFSOC_SPI_RX_DMA_IO_CTRL	0x0120
+#define SIRFSOC_SPI_RX_DMA_IO_LEN	0x0124
+#define SIRFSOC_SPI_RXFIFO_CTRL		0x0128
+#define SIRFSOC_SPI_RXFIFO_LEVEL_CHK	0x012C
+#define SIRFSOC_SPI_RXFIFO_OP		0x0130
+#define SIRFSOC_SPI_RXFIFO_STATUS	0x0134
+#define SIRFSOC_SPI_RXFIFO_DATA		0x0138
+#define SIRFSOC_SPI_DUMMY_DELAY_CTL	0x0144
+
+/* SPI CTRL register defines */
+#define SIRFSOC_SPI_SLV_MODE		BIT(16)
+#define SIRFSOC_SPI_CMD_MODE		BIT(17)
+#define SIRFSOC_SPI_CS_IO_OUT		BIT(18)
+#define SIRFSOC_SPI_CS_IO_MODE		BIT(19)
+#define SIRFSOC_SPI_CLK_IDLE_STAT	BIT(20)
+#define SIRFSOC_SPI_CS_IDLE_STAT	BIT(21)
+#define SIRFSOC_SPI_TRAN_MSB		BIT(22)
+#define SIRFSOC_SPI_DRV_POS_EDGE	BIT(23)
+#define SIRFSOC_SPI_CS_HOLD_TIME	BIT(24)
+#define SIRFSOC_SPI_CLK_SAMPLE_MODE	BIT(25)
+#define SIRFSOC_SPI_TRAN_DAT_FORMAT_8	(0 << 26)
+#define SIRFSOC_SPI_TRAN_DAT_FORMAT_12	(1 << 26)
+#define SIRFSOC_SPI_TRAN_DAT_FORMAT_16	(2 << 26)
+#define SIRFSOC_SPI_TRAN_DAT_FORMAT_32	(3 << 26)
+#define SIRFSOC_SPI_CMD_BYTE_NUM(x)		((x & 3) << 28)
+#define SIRFSOC_SPI_ENA_AUTO_CLR		BIT(30)
+#define SIRFSOC_SPI_MUL_DAT_MODE		BIT(31)
+
+/* Interrupt Enable */
+#define SIRFSOC_SPI_RX_DONE_INT_EN		BIT(0)
+#define SIRFSOC_SPI_TX_DONE_INT_EN		BIT(1)
+#define SIRFSOC_SPI_RX_OFLOW_INT_EN		BIT(2)
+#define SIRFSOC_SPI_TX_UFLOW_INT_EN		BIT(3)
+#define SIRFSOC_SPI_RX_IO_DMA_INT_EN	BIT(4)
+#define SIRFSOC_SPI_TX_IO_DMA_INT_EN	BIT(5)
+#define SIRFSOC_SPI_RXFIFO_FULL_INT_EN	BIT(6)
+#define SIRFSOC_SPI_TXFIFO_EMPTY_INT_EN	BIT(7)
+#define SIRFSOC_SPI_RXFIFO_THD_INT_EN	BIT(8)
+#define SIRFSOC_SPI_TXFIFO_THD_INT_EN	BIT(9)
+#define SIRFSOC_SPI_FRM_END_INT_EN	BIT(10)
+
+#define SIRFSOC_SPI_INT_MASK_ALL		0x1FFF
+
+/* Interrupt status */
+#define SIRFSOC_SPI_RX_DONE		BIT(0)
+#define SIRFSOC_SPI_TX_DONE		BIT(1)
+#define SIRFSOC_SPI_RX_OFLOW		BIT(2)
+#define SIRFSOC_SPI_TX_UFLOW		BIT(3)
+#define SIRFSOC_SPI_RX_FIFO_FULL	BIT(6)
+#define SIRFSOC_SPI_TXFIFO_EMPTY	BIT(7)
+#define SIRFSOC_SPI_RXFIFO_THD_REACH	BIT(8)
+#define SIRFSOC_SPI_TXFIFO_THD_REACH	BIT(9)
+#define SIRFSOC_SPI_FRM_END		BIT(10)
+
+/* TX RX enable */
+#define SIRFSOC_SPI_RX_EN		BIT(0)
+#define SIRFSOC_SPI_TX_EN		BIT(1)
+#define SIRFSOC_SPI_CMD_TX_EN		BIT(2)
+
+#define SIRFSOC_SPI_IO_MODE_SEL		BIT(0)
+#define SIRFSOC_SPI_RX_DMA_FLUSH	BIT(2)
+
+/* FIFO OPs */
+#define SIRFSOC_SPI_FIFO_RESET		BIT(0)
+#define SIRFSOC_SPI_FIFO_START		BIT(1)
+
+/* FIFO CTRL */
+#define SIRFSOC_SPI_FIFO_WIDTH_BYTE	(0 << 0)
+#define SIRFSOC_SPI_FIFO_WIDTH_WORD	(1 << 0)
+#define SIRFSOC_SPI_FIFO_WIDTH_DWORD	(2 << 0)
+
+/* FIFO Status */
+#define	SIRFSOC_SPI_FIFO_LEVEL_MASK	0xFF
+#define SIRFSOC_SPI_FIFO_FULL		BIT(8)
+#define SIRFSOC_SPI_FIFO_EMPTY		BIT(9)
+
+/* 256 bytes rx/tx FIFO */
+#define SIRFSOC_SPI_FIFO_SIZE		256
+#define SIRFSOC_SPI_DAT_FRM_LEN_MAX	(64 * 1024)
+
+#define SIRFSOC_SPI_FIFO_SC(x)		((x) & 0x3F)
+#define SIRFSOC_SPI_FIFO_LC(x)		(((x) & 0x3F) << 10)
+#define SIRFSOC_SPI_FIFO_HC(x)		(((x) & 0x3F) << 20)
+#define SIRFSOC_SPI_FIFO_THD(x)		(((x) & 0xFF) << 2)
+
+struct sirfsoc_spi {
+	struct spi_bitbang bitbang;
+	struct completion done;
+
+	void __iomem *base;
+	u32 ctrl_freq;  /* SPI controller clock speed */
+	struct clk *clk;
+	struct pinmux *pmx;
+
+	/* rx & tx bufs from the spi_transfer */
+	const void *tx;
+	void *rx;
+
+	/* place received word into rx buffer */
+	void (*rx_word) (struct sirfsoc_spi *);
+	/* get word from tx buffer for sending */
+	void (*tx_word) (struct sirfsoc_spi *);
+
+	/* number of words left to be tranmitted/received */
+	unsigned int left_tx_cnt;
+	unsigned int left_rx_cnt;
+
+	/* tasklet to push tx msg into FIFO */
+	struct tasklet_struct tasklet_tx;
+
+	int chipselect[0];
+};
+
+static void spi_sirfsoc_rx_word_u8(struct sirfsoc_spi *sspi)
+{
+	u32 data;
+	u8 *rx = sspi->rx;
+
+	data = readl(sspi->base + SIRFSOC_SPI_RXFIFO_DATA);
+
+	if (rx) {
+		*rx++ = (u8) data;
+		sspi->rx = rx;
+	}
+
+	sspi->left_rx_cnt--;
+}
+
+static void spi_sirfsoc_tx_word_u8(struct sirfsoc_spi *sspi)
+{
+	u32 data = 0;
+	const u8 *tx = sspi->tx;
+
+	if (tx) {
+		data = *tx++;
+		sspi->tx = tx;
+	}
+
+	writel(data, sspi->base + SIRFSOC_SPI_TXFIFO_DATA);
+	sspi->left_tx_cnt--;
+}
+
+static void spi_sirfsoc_rx_word_u16(struct sirfsoc_spi *sspi)
+{
+	u32 data;
+	u16 *rx = sspi->rx;
+
+	data = readl(sspi->base + SIRFSOC_SPI_RXFIFO_DATA);
+
+	if (rx) {
+		*rx++ = (u16) data;
+		sspi->rx = rx;
+	}
+
+	sspi->left_rx_cnt--;
+}
+
+static void spi_sirfsoc_tx_word_u16(struct sirfsoc_spi *sspi)
+{
+	u32 data = 0;
+	const u16 *tx = sspi->tx;
+
+	if (tx) {
+		data = *tx++;
+		sspi->tx = tx;
+	}
+
+	writel(data, sspi->base + SIRFSOC_SPI_TXFIFO_DATA);
+	sspi->left_tx_cnt--;
+}
+
+static void spi_sirfsoc_rx_word_u32(struct sirfsoc_spi *sspi)
+{
+	u32 data;
+	u32 *rx = sspi->rx;
+
+	data = readl(sspi->base + SIRFSOC_SPI_RXFIFO_DATA);
+
+	if (rx) {
+		*rx++ = (u32) data;
+		sspi->rx = rx;
+	}
+
+	sspi->left_rx_cnt--;
+
+}
+
+static void spi_sirfsoc_tx_word_u32(struct sirfsoc_spi *sspi)
+{
+	u32 data = 0;
+	const u32 *tx = sspi->tx;
+
+	if (tx) {
+		data = *tx++;
+		sspi->tx = tx;
+	}
+
+	writel(data, sspi->base + SIRFSOC_SPI_TXFIFO_DATA);
+	sspi->left_tx_cnt--;
+}
+
+static void spi_sirfsoc_tasklet_tx(unsigned long arg)
+{
+	struct sirfsoc_spi *sspi = (struct sirfsoc_spi *)arg;
+
+	/* Fill Tx FIFO while there are left words to be transmitted */
+	while (!((readl(sspi->base + SIRFSOC_SPI_TXFIFO_STATUS) &
+			SIRFSOC_SPI_FIFO_FULL)) &&
+			sspi->left_tx_cnt)
+		sspi->tx_word(sspi);
+}
+
+static irqreturn_t spi_sirfsoc_irq(int irq, void *dev_id)
+{
+	struct sirfsoc_spi *sspi = dev_id;
+	u32 spi_stat = readl(sspi->base + SIRFSOC_SPI_INT_STATUS);
+
+	writel(spi_stat, sspi->base + SIRFSOC_SPI_INT_STATUS);
+
+	/* Error Conditions */
+	if (spi_stat & SIRFSOC_SPI_RX_OFLOW ||
+			spi_stat & SIRFSOC_SPI_TX_UFLOW) {
+		complete(&sspi->done);
+		writel(0x0, sspi->base + SIRFSOC_SPI_INT_EN);
+	}
+
+	if (spi_stat & SIRFSOC_SPI_FRM_END) {
+		while (!((readl(sspi->base + SIRFSOC_SPI_RXFIFO_STATUS)
+				& SIRFSOC_SPI_FIFO_EMPTY)) &&
+				sspi->left_rx_cnt)
+			sspi->rx_word(sspi);
+
+		/* Received all words */
+		if ((sspi->left_rx_cnt == 0) && (sspi->left_tx_cnt == 0)) {
+			complete(&sspi->done);
+			writel(0x0, sspi->base + SIRFSOC_SPI_INT_EN);
+		}
+	}
+
+	if (spi_stat & SIRFSOC_SPI_RXFIFO_THD_REACH ||
+		spi_stat & SIRFSOC_SPI_TXFIFO_THD_REACH ||
+		spi_stat & SIRFSOC_SPI_RX_FIFO_FULL ||
+		spi_stat & SIRFSOC_SPI_TXFIFO_EMPTY)
+		tasklet_schedule(&sspi->tasklet_tx);
+
+	return IRQ_HANDLED;
+}
+
+static int spi_sirfsoc_transfer(struct spi_device *spi, struct spi_transfer *t)
+{
+	struct sirfsoc_spi *sspi;
+	int timeout = t->len * 10;
+	sspi = spi_master_get_devdata(spi->master);
+
+	sspi->tx = t->tx_buf;
+	sspi->rx = t->rx_buf;
+	sspi->left_tx_cnt = sspi->left_rx_cnt = t->len;
+	INIT_COMPLETION(sspi->done);
+
+	writel(SIRFSOC_SPI_INT_MASK_ALL, sspi->base + SIRFSOC_SPI_INT_STATUS);
+
+	if (t->len == 1) {
+		writel(readl(sspi->base + SIRFSOC_SPI_CTRL) |
+			SIRFSOC_SPI_ENA_AUTO_CLR,
+			sspi->base + SIRFSOC_SPI_CTRL);
+		writel(0, sspi->base + SIRFSOC_SPI_TX_DMA_IO_LEN);
+		writel(0, sspi->base + SIRFSOC_SPI_RX_DMA_IO_LEN);
+	} else if ((t->len > 1) && (t->len < SIRFSOC_SPI_DAT_FRM_LEN_MAX)) {
+		writel(readl(sspi->base + SIRFSOC_SPI_CTRL) |
+				SIRFSOC_SPI_MUL_DAT_MODE |
+				SIRFSOC_SPI_ENA_AUTO_CLR,
+			sspi->base + SIRFSOC_SPI_CTRL);
+		writel(t->len - 1, sspi->base + SIRFSOC_SPI_TX_DMA_IO_LEN);
+		writel(t->len - 1, sspi->base + SIRFSOC_SPI_RX_DMA_IO_LEN);
+	} else {
+		writel(readl(sspi->base + SIRFSOC_SPI_CTRL),
+			sspi->base + SIRFSOC_SPI_CTRL);
+		writel(0, sspi->base + SIRFSOC_SPI_TX_DMA_IO_LEN);
+		writel(0, sspi->base + SIRFSOC_SPI_RX_DMA_IO_LEN);
+	}
+
+	writel(SIRFSOC_SPI_FIFO_RESET, sspi->base + SIRFSOC_SPI_RXFIFO_OP);
+	writel(SIRFSOC_SPI_FIFO_RESET, sspi->base + SIRFSOC_SPI_TXFIFO_OP);
+	writel(SIRFSOC_SPI_FIFO_START, sspi->base + SIRFSOC_SPI_RXFIFO_OP);
+	writel(SIRFSOC_SPI_FIFO_START, sspi->base + SIRFSOC_SPI_TXFIFO_OP);
+
+	/* Send the first word to trigger the whole tx/rx process */
+	sspi->tx_word(sspi);
+
+	writel(SIRFSOC_SPI_RX_OFLOW_INT_EN | SIRFSOC_SPI_TX_UFLOW_INT_EN |
+		SIRFSOC_SPI_RXFIFO_THD_INT_EN | SIRFSOC_SPI_TXFIFO_THD_INT_EN |
+		SIRFSOC_SPI_FRM_END_INT_EN | SIRFSOC_SPI_RXFIFO_FULL_INT_EN |
+		SIRFSOC_SPI_TXFIFO_EMPTY_INT_EN, sspi->base + SIRFSOC_SPI_INT_EN);
+	writel(SIRFSOC_SPI_RX_EN | SIRFSOC_SPI_TX_EN, sspi->base + SIRFSOC_SPI_TX_RX_EN);
+
+	if (wait_for_completion_timeout(&sspi->done, timeout) == 0)
+		dev_err(&spi->dev, "transfer timeout\n");
+
+	/* TX, RX FIFO stop */
+	writel(0, sspi->base + SIRFSOC_SPI_RXFIFO_OP);
+	writel(0, sspi->base + SIRFSOC_SPI_TXFIFO_OP);
+	writel(0, sspi->base + SIRFSOC_SPI_TX_RX_EN);
+	writel(0, sspi->base + SIRFSOC_SPI_INT_EN);
+
+	return t->len - sspi->left_rx_cnt;
+}
+
+static void spi_sirfsoc_chipselect(struct spi_device *spi, int value)
+{
+	struct sirfsoc_spi *sspi = spi_master_get_devdata(spi->master);
+
+	if (sspi->chipselect[spi->chip_select] == 0) {
+		u32 regval = readl(sspi->base + SIRFSOC_SPI_CTRL);
+		regval |= SIRFSOC_SPI_CS_IO_OUT;
+		switch (value) {
+		case BITBANG_CS_ACTIVE:
+			if (spi->mode & SPI_CS_HIGH)
+				regval |= SIRFSOC_SPI_CS_IO_OUT;
+			else
+				regval &= ~SIRFSOC_SPI_CS_IO_OUT;
+			break;
+		case BITBANG_CS_INACTIVE:
+			if (spi->mode & SPI_CS_HIGH)
+				regval &= ~SIRFSOC_SPI_CS_IO_OUT;
+			else
+				regval |= SIRFSOC_SPI_CS_IO_OUT;
+			break;
+		}
+		writel(regval, sspi->base + SIRFSOC_SPI_CTRL);
+	} else {
+		int gpio = sspi->chipselect[spi->chip_select];
+		gpio_direction_output(gpio, spi->mode & SPI_CS_HIGH ? 0 : 1);
+	}
+}
+
+static int
+spi_sirfsoc_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
+{
+	struct sirfsoc_spi *sspi;
+	u8 bits_per_word = 0;
+	int hz = 0;
+	u32 regval;
+	u32 txfifo_ctrl, rxfifo_ctrl;
+	u32 fifo_size = SIRFSOC_SPI_FIFO_SIZE / 4;
+
+	sspi = spi_master_get_devdata(spi->master);
+
+	bits_per_word = t && t->bits_per_word ? t->bits_per_word :
+		spi->bits_per_word;
+	hz = t && t->speed_hz ? t->speed_hz : spi->max_speed_hz;
+
+	/* Enable IO mode for RX, TX */
+	writel(SIRFSOC_SPI_IO_MODE_SEL, sspi->base + SIRFSOC_SPI_TX_DMA_IO_CTRL);
+	writel(SIRFSOC_SPI_IO_MODE_SEL, sspi->base + SIRFSOC_SPI_RX_DMA_IO_CTRL);
+	regval = (sspi->ctrl_freq / (2 * hz)) - 1;
+
+	if (regval > 0xFFFF || regval < 0) {
+		dev_err(&spi->dev, "Speed %d not supported\n", hz);
+		return -EINVAL;
+	}
+
+	switch (bits_per_word) {
+	case 8:
+		regval |= SIRFSOC_SPI_TRAN_DAT_FORMAT_8;
+		sspi->rx_word = spi_sirfsoc_rx_word_u8;
+		sspi->tx_word = spi_sirfsoc_tx_word_u8;
+		txfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
+					SIRFSOC_SPI_FIFO_WIDTH_BYTE;
+		rxfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
+					SIRFSOC_SPI_FIFO_WIDTH_BYTE;
+		break;
+	case 12:
+	case 16:
+		regval |= (bits_per_word ==  12) ? SIRFSOC_SPI_TRAN_DAT_FORMAT_12 :
+			SIRFSOC_SPI_TRAN_DAT_FORMAT_16;
+		sspi->rx_word = spi_sirfsoc_rx_word_u16;
+		sspi->tx_word = spi_sirfsoc_tx_word_u16;
+		txfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
+					SIRFSOC_SPI_FIFO_WIDTH_WORD;
+		rxfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
+					SIRFSOC_SPI_FIFO_WIDTH_WORD;
+		break;
+	case 32:
+		regval |= SIRFSOC_SPI_TRAN_DAT_FORMAT_32;
+		sspi->rx_word = spi_sirfsoc_rx_word_u32;
+		sspi->tx_word = spi_sirfsoc_tx_word_u32;
+		txfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
+					SIRFSOC_SPI_FIFO_WIDTH_DWORD;
+		rxfifo_ctrl = SIRFSOC_SPI_FIFO_THD(SIRFSOC_SPI_FIFO_SIZE / 2) |
+					SIRFSOC_SPI_FIFO_WIDTH_DWORD;
+		break;
+	default:
+		dev_err(&spi->dev, "Bits per word %d not supported\n",
+		       bits_per_word);
+		return -EINVAL;
+	}
+
+	if (!(spi->mode & SPI_CS_HIGH))
+		regval |= SIRFSOC_SPI_CS_IDLE_STAT;
+	if (!(spi->mode & SPI_LSB_FIRST))
+		regval |= SIRFSOC_SPI_TRAN_MSB;
+	if (spi->mode & SPI_CPOL)
+		regval |= SIRFSOC_SPI_CLK_IDLE_STAT;
+
+	/*
+	 * Data should be driven at least 1/2 cycle before the fetch edge to make
+	 * sure that data gets stable at the fetch edge.
+	 */
+	if (((spi->mode & SPI_CPOL) && (spi->mode & SPI_CPHA)) ||
+	    (!(spi->mode & SPI_CPOL) && !(spi->mode & SPI_CPHA)))
+		regval &= ~SIRFSOC_SPI_DRV_POS_EDGE;
+	else
+		regval |= SIRFSOC_SPI_DRV_POS_EDGE;
+
+	writel(SIRFSOC_SPI_FIFO_SC(fifo_size - 2) |
+			SIRFSOC_SPI_FIFO_LC(fifo_size / 2) |
+			SIRFSOC_SPI_FIFO_HC(2),
+		sspi->base + SIRFSOC_SPI_TXFIFO_LEVEL_CHK);
+	writel(SIRFSOC_SPI_FIFO_SC(2) |
+			SIRFSOC_SPI_FIFO_LC(fifo_size / 2) |
+			SIRFSOC_SPI_FIFO_HC(fifo_size - 2),
+		sspi->base + SIRFSOC_SPI_RXFIFO_LEVEL_CHK);
+	writel(txfifo_ctrl, sspi->base + SIRFSOC_SPI_TXFIFO_CTRL);
+	writel(rxfifo_ctrl, sspi->base + SIRFSOC_SPI_RXFIFO_CTRL);
+
+	writel(regval, sspi->base + SIRFSOC_SPI_CTRL);
+	return 0;
+}
+
+static int spi_sirfsoc_setup(struct spi_device *spi)
+{
+	struct sirfsoc_spi *sspi;
+
+	if (!spi->max_speed_hz)
+		return -EINVAL;
+
+	sspi = spi_master_get_devdata(spi->master);
+
+	if (!spi->bits_per_word)
+		spi->bits_per_word = 8;
+
+	return spi_sirfsoc_setup_transfer(spi, NULL);
+}
+
+static int __devinit spi_sirfsoc_probe(struct platform_device *pdev)
+{
+	struct sirfsoc_spi *sspi;
+	struct spi_master *master;
+	struct resource *mem_res;
+	int num_cs, cs_gpio, irq;
+	int i;
+	int ret;
+
+	ret = of_property_read_u32(pdev->dev.of_node,
+			"sirf,spi-num-chipselects", &num_cs);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Unable to get chip select number\n");
+		goto err_cs;
+	}
+
+	master = spi_alloc_master(&pdev->dev, sizeof(*sspi) + sizeof(int) * num_cs);
+	if (!master) {
+		dev_err(&pdev->dev, "Unable to allocate SPI master\n");
+		return -ENOMEM;
+	}
+	platform_set_drvdata(pdev, master);
+	sspi = spi_master_get_devdata(master);
+
+	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!mem_res) {
+		dev_err(&pdev->dev, "Unable to get IO resource\n");
+		ret = -ENODEV;
+		goto free_master;
+	}
+	master->num_chipselect = num_cs;
+
+	for (i = 0; i < master->num_chipselect; i++) {
+		cs_gpio = of_get_named_gpio(pdev->dev.of_node, "cs-gpios", i);
+		if (cs_gpio < 0) {
+			dev_err(&pdev->dev, "can't get cs gpio from DT\n");
+			ret = -ENODEV;
+			goto free_master;
+		}
+
+		sspi->chipselect[i] = cs_gpio;
+		if (cs_gpio == 0)
+			continue; /* use cs from spi controller */
+
+		ret = gpio_request(cs_gpio, DRIVER_NAME);
+		if (ret) {
+			while (i > 0) {
+				i--;
+				if (sspi->chipselect[i] > 0)
+					gpio_free(sspi->chipselect[i]);
+			}
+			dev_err(&pdev->dev, "fail to request cs gpios\n");
+			goto free_master;
+		}
+	}
+
+	sspi->base = devm_request_and_ioremap(&pdev->dev, mem_res);
+	if (!sspi->base) {
+		dev_err(&pdev->dev, "IO remap failed!\n");
+		ret = -ENOMEM;
+		goto free_master;
+	}
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		ret = -ENXIO;
+		goto free_master;
+	}
+	ret = devm_request_irq(&pdev->dev, irq, spi_sirfsoc_irq, 0,
+				DRIVER_NAME, sspi);
+	if (ret)
+		goto free_master;
+
+	sspi->bitbang.master = spi_master_get(master);
+	sspi->bitbang.chipselect = spi_sirfsoc_chipselect;
+	sspi->bitbang.setup_transfer = spi_sirfsoc_setup_transfer;
+	sspi->bitbang.txrx_bufs = spi_sirfsoc_transfer;
+	sspi->bitbang.master->setup = spi_sirfsoc_setup;
+	master->bus_num = pdev->id;
+	sspi->bitbang.master->dev.of_node = pdev->dev.of_node;
+
+	sspi->pmx = pinmux_get(&pdev->dev, NULL);
+	ret = IS_ERR(sspi->pmx);
+	if (ret)
+		goto free_master;
+
+	pinmux_enable(sspi->pmx);
+
+	sspi->clk = clk_get(&pdev->dev, NULL);
+	if (IS_ERR(sspi->clk)) {
+		ret = -EINVAL;
+		goto free_pmx;
+	}
+	clk_enable(sspi->clk);
+	sspi->ctrl_freq = clk_get_rate(sspi->clk);
+
+	init_completion(&sspi->done);
+
+	tasklet_init(&sspi->tasklet_tx, spi_sirfsoc_tasklet_tx,
+		     (unsigned long)sspi);
+
+	writel(SIRFSOC_SPI_FIFO_RESET, sspi->base + SIRFSOC_SPI_RXFIFO_OP);
+	writel(SIRFSOC_SPI_FIFO_RESET, sspi->base + SIRFSOC_SPI_TXFIFO_OP);
+	writel(SIRFSOC_SPI_FIFO_START, sspi->base + SIRFSOC_SPI_RXFIFO_OP);
+	writel(SIRFSOC_SPI_FIFO_START, sspi->base + SIRFSOC_SPI_TXFIFO_OP);
+	/* We are not using dummy delay between command and data */
+	writel(0, sspi->base + SIRFSOC_SPI_DUMMY_DELAY_CTL);
+
+	ret = spi_bitbang_start(&sspi->bitbang);
+	if (ret)
+		goto free_clk;
+
+	dev_info(&pdev->dev, "registerred, bus number = %d\n", master->bus_num);
+
+	return 0;
+
+free_clk:
+	clk_disable(sspi->clk);
+	clk_put(sspi->clk);
+free_pmx:
+	pinmux_disable(sspi->pmx);
+	pinmux_put(sspi->pmx);
+free_master:
+	spi_master_put(master);
+err_cs:
+	return ret;
+}
+
+static int  __devexit spi_sirfsoc_remove(struct platform_device *pdev)
+{
+	struct spi_master *master;
+	struct sirfsoc_spi *sspi;
+	int i;
+
+	master = platform_get_drvdata(pdev);
+	sspi = spi_master_get_devdata(master);
+
+	spi_bitbang_stop(&sspi->bitbang);
+	for (i = 0; i < master->num_chipselect; i++) {
+		if (sspi->chipselect[i] > 0)
+			gpio_free(sspi->chipselect[i]);
+	}
+	clk_disable(sspi->clk);
+	clk_put(sspi->clk);
+	pinmux_disable(sspi->pmx);
+	pinmux_put(sspi->pmx);
+	spi_master_put(master);
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int spi_sirfsoc_suspend(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct spi_master *master = platform_get_drvdata(pdev);
+	struct sirfsoc_spi *sspi = spi_master_get_devdata(master);
+
+	clk_disable(sspi->clk);
+	return 0;
+}
+
+static int spi_sirfsoc_resume(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct spi_master *master = platform_get_drvdata(pdev);
+	struct sirfsoc_spi *sspi = spi_master_get_devdata(master);
+
+	clk_enable(sspi->clk);
+	writel(SIRFSOC_SPI_FIFO_RESET, sspi->base + SIRFSOC_SPI_RXFIFO_OP);
+	writel(SIRFSOC_SPI_FIFO_RESET, sspi->base + SIRFSOC_SPI_TXFIFO_OP);
+	writel(SIRFSOC_SPI_FIFO_START, sspi->base + SIRFSOC_SPI_RXFIFO_OP);
+	writel(SIRFSOC_SPI_FIFO_START, sspi->base + SIRFSOC_SPI_TXFIFO_OP);
+
+	return 0;
+}
+
+static const struct dev_pm_ops spi_sirfsoc_pm_ops = {
+	.suspend = spi_sirfsoc_suspend,
+	.resume = spi_sirfsoc_resume,
+};
+#endif
+
+static const struct of_device_id spi_sirfsoc_of_match[] = {
+	{ .compatible = "sirf,prima2-spi", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, sirfsoc_spi_of_match);
+
+static struct platform_driver spi_sirfsoc_driver = {
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+#ifdef CONFIG_PM
+		.pm     = &spi_sirfsoc_pm_ops,
+#endif
+		.of_match_table = spi_sirfsoc_of_match,
+	},
+	.probe = spi_sirfsoc_probe,
+	.remove = __devexit_p(spi_sirfsoc_remove),
+};
+module_platform_driver(spi_sirfsoc_driver);
+
+MODULE_DESCRIPTION("SiRF SoC SPI master driver");
+MODULE_AUTHOR("Zhiwu Song <Zhiwu.Song@csr.com>, "
+		"Barry Song <Baohua.Song@csr.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index 10182eb50068..5c6fa5ed3366 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -196,6 +196,7 @@ struct pch_spi_data {
 	struct pch_spi_dma_ctrl dma;
 	int use_dma;
 	u8 irq_reg_sts;
+	int save_total_len;
 };
 
 /**
@@ -216,7 +217,7 @@ struct pch_pd_dev_save {
 	struct pch_spi_board_data *board_dat;
 };
 
-static struct pci_device_id pch_spi_pcidev_id[] = {
+static DEFINE_PCI_DEVICE_TABLE(pch_spi_pcidev_id) = {
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_GE_SPI),    1, },
 	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_SPI), 2, },
 	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7223_SPI), 1, },
@@ -318,22 +319,23 @@ static void pch_spi_handler_sub(struct pch_spi_data *data, u32 reg_spsr_val,
 		data->tx_index = tx_index;
 		data->rx_index = rx_index;
 
-	}
-
-	/* if transfer complete interrupt */
-	if (reg_spsr_val & SPSR_FI_BIT) {
-		if ((tx_index == bpw_len) && (rx_index == tx_index)) {
-			/* disable interrupts */
-			pch_spi_setclr_reg(data->master, PCH_SPCR, 0, PCH_ALL);
-
-			/* transfer is completed;
-			   inform pch_spi_process_messages */
-			data->transfer_complete = true;
-			data->transfer_active = false;
-			wake_up(&data->wait);
-		} else {
-			dev_err(&data->master->dev,
-				"%s : Transfer is not completed", __func__);
+		/* if transfer complete interrupt */
+		if (reg_spsr_val & SPSR_FI_BIT) {
+			if ((tx_index == bpw_len) && (rx_index == tx_index)) {
+				/* disable interrupts */
+				pch_spi_setclr_reg(data->master, PCH_SPCR, 0,
+						   PCH_ALL);
+
+				/* transfer is completed;
+				   inform pch_spi_process_messages */
+				data->transfer_complete = true;
+				data->transfer_active = false;
+				wake_up(&data->wait);
+			} else {
+				dev_err(&data->master->dev,
+					"%s : Transfer is not completed",
+					__func__);
+			}
 		}
 	}
 }
@@ -822,11 +824,13 @@ static void pch_spi_copy_rx_data_for_dma(struct pch_spi_data *data, int bpw)
 		rx_dma_buf = data->dma.rx_buf_virt;
 		for (j = 0; j < data->bpw_len; j++)
 			*rx_buf++ = *rx_dma_buf++ & 0xFF;
+		data->cur_trans->rx_buf = rx_buf;
 	} else {
 		rx_sbuf = data->cur_trans->rx_buf;
 		rx_dma_sbuf = data->dma.rx_buf_virt;
 		for (j = 0; j < data->bpw_len; j++)
 			*rx_sbuf++ = *rx_dma_sbuf++;
+		data->cur_trans->rx_buf = rx_sbuf;
 	}
 }
 
@@ -852,6 +856,9 @@ static int pch_spi_start_transfer(struct pch_spi_data *data)
 	rtn = wait_event_interruptible_timeout(data->wait,
 					       data->transfer_complete,
 					       msecs_to_jiffies(2 * HZ));
+	if (!rtn)
+		dev_err(&data->master->dev,
+			"%s wait-event timeout\n", __func__);
 
 	dma_sync_sg_for_cpu(&data->master->dev, dma->sg_rx_p, dma->nent,
 			    DMA_FROM_DEVICE);
@@ -923,7 +930,8 @@ static void pch_spi_request_dma(struct pch_spi_data *data, int bpw)
 	dma_cap_set(DMA_SLAVE, mask);
 
 	/* Get DMA's dev information */
-	dma_dev = pci_get_bus_and_slot(2, PCI_DEVFN(12, 0));
+	dma_dev = pci_get_bus_and_slot(data->board_dat->pdev->bus->number,
+				       PCI_DEVFN(12, 0));
 
 	/* Set Tx DMA */
 	param = &dma->param_tx;
@@ -987,6 +995,7 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
 	int i;
 	int size;
 	int rem;
+	int head;
 	unsigned long flags;
 	struct pch_spi_dma_ctrl *dma;
 
@@ -1015,6 +1024,11 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
 	}
 	data->bpw_len = data->cur_trans->len / (*bpw / 8);
 
+	if (data->bpw_len > PCH_BUF_SIZE) {
+		data->bpw_len = PCH_BUF_SIZE;
+		data->cur_trans->len -= PCH_BUF_SIZE;
+	}
+
 	/* copy Tx Data */
 	if (data->cur_trans->tx_buf != NULL) {
 		if (*bpw == 8) {
@@ -1029,10 +1043,17 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
 				*tx_dma_sbuf++ = *tx_sbuf++;
 		}
 	}
+
+	/* Calculate Rx parameter for DMA transmitting */
 	if (data->bpw_len > PCH_DMA_TRANS_SIZE) {
-		num = data->bpw_len / PCH_DMA_TRANS_SIZE + 1;
+		if (data->bpw_len % PCH_DMA_TRANS_SIZE) {
+			num = data->bpw_len / PCH_DMA_TRANS_SIZE + 1;
+			rem = data->bpw_len % PCH_DMA_TRANS_SIZE;
+		} else {
+			num = data->bpw_len / PCH_DMA_TRANS_SIZE;
+			rem = PCH_DMA_TRANS_SIZE;
+		}
 		size = PCH_DMA_TRANS_SIZE;
-		rem = data->bpw_len % PCH_DMA_TRANS_SIZE;
 	} else {
 		num = 1;
 		size = data->bpw_len;
@@ -1092,15 +1113,23 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
 	dma->nent = num;
 	dma->desc_rx = desc_rx;
 
-	/* TX */
-	if (data->bpw_len > PCH_DMA_TRANS_SIZE) {
-		num = data->bpw_len / PCH_DMA_TRANS_SIZE;
+	/* Calculate Tx parameter for DMA transmitting */
+	if (data->bpw_len > PCH_MAX_FIFO_DEPTH) {
+		head = PCH_MAX_FIFO_DEPTH - PCH_DMA_TRANS_SIZE;
+		if (data->bpw_len % PCH_DMA_TRANS_SIZE > 4) {
+			num = data->bpw_len / PCH_DMA_TRANS_SIZE + 1;
+			rem = data->bpw_len % PCH_DMA_TRANS_SIZE - head;
+		} else {
+			num = data->bpw_len / PCH_DMA_TRANS_SIZE;
+			rem = data->bpw_len % PCH_DMA_TRANS_SIZE +
+			      PCH_DMA_TRANS_SIZE - head;
+		}
 		size = PCH_DMA_TRANS_SIZE;
-		rem = 16;
 	} else {
 		num = 1;
 		size = data->bpw_len;
 		rem = data->bpw_len;
+		head = 0;
 	}
 
 	dma->sg_tx_p = kzalloc(sizeof(struct scatterlist)*num, GFP_ATOMIC);
@@ -1110,11 +1139,17 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
 	for (i = 0; i < num; i++, sg++) {
 		if (i == 0) {
 			sg->offset = 0;
+			sg_set_page(sg, virt_to_page(dma->tx_buf_virt), size + head,
+				    sg->offset);
+			sg_dma_len(sg) = size + head;
+		} else if (i == (num - 1)) {
+			sg->offset = head + size * i;
+			sg->offset = sg->offset * (*bpw / 8);
 			sg_set_page(sg, virt_to_page(dma->tx_buf_virt), rem,
 				    sg->offset);
 			sg_dma_len(sg) = rem;
 		} else {
-			sg->offset = rem + size * (i - 1);
+			sg->offset = head + size * i;
 			sg->offset = sg->offset * (*bpw / 8);
 			sg_set_page(sg, virt_to_page(dma->tx_buf_virt), size,
 				    sg->offset);
@@ -1202,6 +1237,7 @@ static void pch_spi_process_messages(struct work_struct *pwork)
 				    data->current_msg->spi->bits_per_word);
 	pch_spi_writereg(data->master, PCH_SSNXCR, SSN_NO_CONTROL);
 	do {
+		int cnt;
 		/* If we are already processing a message get the next
 		transfer structure from the message otherwise retrieve
 		the 1st transfer request from the message. */
@@ -1221,11 +1257,28 @@ static void pch_spi_process_messages(struct work_struct *pwork)
 		}
 		spin_unlock(&data->lock);
 
+		if (!data->cur_trans->len)
+			goto out;
+		cnt = (data->cur_trans->len - 1) / PCH_BUF_SIZE + 1;
+		data->save_total_len = data->cur_trans->len;
 		if (data->use_dma) {
-			pch_spi_handle_dma(data, &bpw);
-			if (!pch_spi_start_transfer(data))
-				goto out;
-			pch_spi_copy_rx_data_for_dma(data, bpw);
+			int i;
+			char *save_rx_buf = data->cur_trans->rx_buf;
+			for (i = 0; i < cnt; i ++) {
+				pch_spi_handle_dma(data, &bpw);
+				if (!pch_spi_start_transfer(data)) {
+					data->transfer_complete = true;
+					data->current_msg->status = -EIO;
+					data->current_msg->complete
+						   (data->current_msg->context);
+					data->bcurrent_msg_processing = false;
+					data->current_msg = NULL;
+					data->cur_trans = NULL;
+					goto out;
+				}
+				pch_spi_copy_rx_data_for_dma(data, bpw);
+			}
+			data->cur_trans->rx_buf = save_rx_buf;
 		} else {
 			pch_spi_set_tx(data, &bpw);
 			pch_spi_set_ir(data);
@@ -1236,6 +1289,7 @@ static void pch_spi_process_messages(struct work_struct *pwork)
 			data->pkt_tx_buff = NULL;
 		}
 		/* increment message count */
+		data->cur_trans->len = data->save_total_len;
 		data->current_msg->actual_length += data->cur_trans->len;
 
 		dev_dbg(&data->master->dev,
@@ -1388,6 +1442,7 @@ static int __devinit pch_spi_pd_probe(struct platform_device *plat_dev)
 	master->num_chipselect = PCH_MAX_CS;
 	master->setup = pch_spi_setup;
 	master->transfer = pch_spi_transfer;
+	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
 
 	data->board_dat = board_dat;
 	data->plat_dev = plat_dev;
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index b2ccdea30cb9..3d8f662e4fe9 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -30,6 +30,9 @@
 #include <linux/of_spi.h>
 #include <linux/pm_runtime.h>
 #include <linux/export.h>
+#include <linux/sched.h>
+#include <linux/delay.h>
+#include <linux/kthread.h>
 
 static void spidev_release(struct device *dev)
 {
@@ -481,7 +484,7 @@ static void spi_match_master_to_boardinfo(struct spi_master *master,
  * The board info passed can safely be __initdata ... but be careful of
  * any embedded pointers (platform_data, etc), they're copied as-is.
  */
-int __init
+int __devinit
 spi_register_board_info(struct spi_board_info const *info, unsigned n)
 {
 	struct boardinfo *bi;
@@ -507,6 +510,294 @@ spi_register_board_info(struct spi_board_info const *info, unsigned n)
 
 /*-------------------------------------------------------------------------*/
 
+/**
+ * spi_pump_messages - kthread work function which processes spi message queue
+ * @work: pointer to kthread work struct contained in the master struct
+ *
+ * This function checks if there is any spi message in the queue that
+ * needs processing and if so call out to the driver to initialize hardware
+ * and transfer each message.
+ *
+ */
+static void spi_pump_messages(struct kthread_work *work)
+{
+	struct spi_master *master =
+		container_of(work, struct spi_master, pump_messages);
+	unsigned long flags;
+	bool was_busy = false;
+	int ret;
+
+	/* Lock queue and check for queue work */
+	spin_lock_irqsave(&master->queue_lock, flags);
+	if (list_empty(&master->queue) || !master->running) {
+		if (master->busy) {
+			ret = master->unprepare_transfer_hardware(master);
+			if (ret) {
+				spin_unlock_irqrestore(&master->queue_lock, flags);
+				dev_err(&master->dev,
+					"failed to unprepare transfer hardware\n");
+				return;
+			}
+		}
+		master->busy = false;
+		spin_unlock_irqrestore(&master->queue_lock, flags);
+		return;
+	}
+
+	/* Make sure we are not already running a message */
+	if (master->cur_msg) {
+		spin_unlock_irqrestore(&master->queue_lock, flags);
+		return;
+	}
+	/* Extract head of queue */
+	master->cur_msg =
+	    list_entry(master->queue.next, struct spi_message, queue);
+
+	list_del_init(&master->cur_msg->queue);
+	if (master->busy)
+		was_busy = true;
+	else
+		master->busy = true;
+	spin_unlock_irqrestore(&master->queue_lock, flags);
+
+	if (!was_busy) {
+		ret = master->prepare_transfer_hardware(master);
+		if (ret) {
+			dev_err(&master->dev,
+				"failed to prepare transfer hardware\n");
+			return;
+		}
+	}
+
+	ret = master->transfer_one_message(master, master->cur_msg);
+	if (ret) {
+		dev_err(&master->dev,
+			"failed to transfer one message from queue\n");
+		return;
+	}
+}
+
+static int spi_init_queue(struct spi_master *master)
+{
+	struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
+
+	INIT_LIST_HEAD(&master->queue);
+	spin_lock_init(&master->queue_lock);
+
+	master->running = false;
+	master->busy = false;
+
+	init_kthread_worker(&master->kworker);
+	master->kworker_task = kthread_run(kthread_worker_fn,
+					   &master->kworker,
+					   dev_name(&master->dev));
+	if (IS_ERR(master->kworker_task)) {
+		dev_err(&master->dev, "failed to create message pump task\n");
+		return -ENOMEM;
+	}
+	init_kthread_work(&master->pump_messages, spi_pump_messages);
+
+	/*
+	 * Master config will indicate if this controller should run the
+	 * message pump with high (realtime) priority to reduce the transfer
+	 * latency on the bus by minimising the delay between a transfer
+	 * request and the scheduling of the message pump thread. Without this
+	 * setting the message pump thread will remain at default priority.
+	 */
+	if (master->rt) {
+		dev_info(&master->dev,
+			"will run message pump with realtime priority\n");
+		sched_setscheduler(master->kworker_task, SCHED_FIFO, &param);
+	}
+
+	return 0;
+}
+
+/**
+ * spi_get_next_queued_message() - called by driver to check for queued
+ * messages
+ * @master: the master to check for queued messages
+ *
+ * If there are more messages in the queue, the next message is returned from
+ * this call.
+ */
+struct spi_message *spi_get_next_queued_message(struct spi_master *master)
+{
+	struct spi_message *next;
+	unsigned long flags;
+
+	/* get a pointer to the next message, if any */
+	spin_lock_irqsave(&master->queue_lock, flags);
+	if (list_empty(&master->queue))
+		next = NULL;
+	else
+		next = list_entry(master->queue.next,
+				  struct spi_message, queue);
+	spin_unlock_irqrestore(&master->queue_lock, flags);
+
+	return next;
+}
+EXPORT_SYMBOL_GPL(spi_get_next_queued_message);
+
+/**
+ * spi_finalize_current_message() - the current message is complete
+ * @master: the master to return the message to
+ *
+ * Called by the driver to notify the core that the message in the front of the
+ * queue is complete and can be removed from the queue.
+ */
+void spi_finalize_current_message(struct spi_master *master)
+{
+	struct spi_message *mesg;
+	unsigned long flags;
+
+	spin_lock_irqsave(&master->queue_lock, flags);
+	mesg = master->cur_msg;
+	master->cur_msg = NULL;
+
+	queue_kthread_work(&master->kworker, &master->pump_messages);
+	spin_unlock_irqrestore(&master->queue_lock, flags);
+
+	mesg->state = NULL;
+	if (mesg->complete)
+		mesg->complete(mesg->context);
+}
+EXPORT_SYMBOL_GPL(spi_finalize_current_message);
+
+static int spi_start_queue(struct spi_master *master)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&master->queue_lock, flags);
+
+	if (master->running || master->busy) {
+		spin_unlock_irqrestore(&master->queue_lock, flags);
+		return -EBUSY;
+	}
+
+	master->running = true;
+	master->cur_msg = NULL;
+	spin_unlock_irqrestore(&master->queue_lock, flags);
+
+	queue_kthread_work(&master->kworker, &master->pump_messages);
+
+	return 0;
+}
+
+static int spi_stop_queue(struct spi_master *master)
+{
+	unsigned long flags;
+	unsigned limit = 500;
+	int ret = 0;
+
+	spin_lock_irqsave(&master->queue_lock, flags);
+
+	/*
+	 * This is a bit lame, but is optimized for the common execution path.
+	 * A wait_queue on the master->busy could be used, but then the common
+	 * execution path (pump_messages) would be required to call wake_up or
+	 * friends on every SPI message. Do this instead.
+	 */
+	while ((!list_empty(&master->queue) || master->busy) && limit--) {
+		spin_unlock_irqrestore(&master->queue_lock, flags);
+		msleep(10);
+		spin_lock_irqsave(&master->queue_lock, flags);
+	}
+
+	if (!list_empty(&master->queue) || master->busy)
+		ret = -EBUSY;
+	else
+		master->running = false;
+
+	spin_unlock_irqrestore(&master->queue_lock, flags);
+
+	if (ret) {
+		dev_warn(&master->dev,
+			 "could not stop message queue\n");
+		return ret;
+	}
+	return ret;
+}
+
+static int spi_destroy_queue(struct spi_master *master)
+{
+	int ret;
+
+	ret = spi_stop_queue(master);
+
+	/*
+	 * flush_kthread_worker will block until all work is done.
+	 * If the reason that stop_queue timed out is that the work will never
+	 * finish, then it does no good to call flush/stop thread, so
+	 * return anyway.
+	 */
+	if (ret) {
+		dev_err(&master->dev, "problem destroying queue\n");
+		return ret;
+	}
+
+	flush_kthread_worker(&master->kworker);
+	kthread_stop(master->kworker_task);
+
+	return 0;
+}
+
+/**
+ * spi_queued_transfer - transfer function for queued transfers
+ * @spi: spi device which is requesting transfer
+ * @msg: spi message which is to handled is queued to driver queue
+ */
+static int spi_queued_transfer(struct spi_device *spi, struct spi_message *msg)
+{
+	struct spi_master *master = spi->master;
+	unsigned long flags;
+
+	spin_lock_irqsave(&master->queue_lock, flags);
+
+	if (!master->running) {
+		spin_unlock_irqrestore(&master->queue_lock, flags);
+		return -ESHUTDOWN;
+	}
+	msg->actual_length = 0;
+	msg->status = -EINPROGRESS;
+
+	list_add_tail(&msg->queue, &master->queue);
+	if (master->running && !master->busy)
+		queue_kthread_work(&master->kworker, &master->pump_messages);
+
+	spin_unlock_irqrestore(&master->queue_lock, flags);
+	return 0;
+}
+
+static int spi_master_initialize_queue(struct spi_master *master)
+{
+	int ret;
+
+	master->queued = true;
+	master->transfer = spi_queued_transfer;
+
+	/* Initialize and start queue */
+	ret = spi_init_queue(master);
+	if (ret) {
+		dev_err(&master->dev, "problem initializing queue\n");
+		goto err_init_queue;
+	}
+	ret = spi_start_queue(master);
+	if (ret) {
+		dev_err(&master->dev, "problem starting queue\n");
+		goto err_start_queue;
+	}
+
+	return 0;
+
+err_start_queue:
+err_init_queue:
+	spi_destroy_queue(master);
+	return ret;
+}
+
+/*-------------------------------------------------------------------------*/
+
 static void spi_master_release(struct device *dev)
 {
 	struct spi_master *master;
@@ -522,6 +813,7 @@ static struct class spi_master_class = {
 };
 
 
+
 /**
  * spi_alloc_master - allocate SPI master controller
  * @dev: the controller, possibly using the platform_bus
@@ -539,7 +831,8 @@ static struct class spi_master_class = {
  *
  * The caller is responsible for assigning the bus number and initializing
  * the master's methods before calling spi_register_master(); and (after errors
- * adding the device) calling spi_master_put() to prevent a memory leak.
+ * adding the device) calling spi_master_put() and kfree() to prevent a memory
+ * leak.
  */
 struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
 {
@@ -621,14 +914,23 @@ int spi_register_master(struct spi_master *master)
 	dev_dbg(dev, "registered master %s%s\n", dev_name(&master->dev),
 			dynamic ? " (dynamic)" : "");
 
+	/* If we're using a queued driver, start the queue */
+	if (master->transfer)
+		dev_info(dev, "master is unqueued, this is deprecated\n");
+	else {
+		status = spi_master_initialize_queue(master);
+		if (status) {
+			device_unregister(&master->dev);
+			goto done;
+		}
+	}
+
 	mutex_lock(&board_lock);
 	list_add_tail(&master->list, &spi_master_list);
 	list_for_each_entry(bi, &board_list, list)
 		spi_match_master_to_boardinfo(master, &bi->board_info);
 	mutex_unlock(&board_lock);
 
-	status = 0;
-
 	/* Register devices from the device tree */
 	of_register_spi_devices(master);
 done:
@@ -636,7 +938,6 @@ done:
 }
 EXPORT_SYMBOL_GPL(spi_register_master);
 
-
 static int __unregister(struct device *dev, void *null)
 {
 	spi_unregister_device(to_spi_device(dev));
@@ -657,6 +958,11 @@ void spi_unregister_master(struct spi_master *master)
 {
 	int dummy;
 
+	if (master->queued) {
+		if (spi_destroy_queue(master))
+			dev_err(&master->dev, "queue remove failed\n");
+	}
+
 	mutex_lock(&board_lock);
 	list_del(&master->list);
 	mutex_unlock(&board_lock);
@@ -666,6 +972,37 @@ void spi_unregister_master(struct spi_master *master)
 }
 EXPORT_SYMBOL_GPL(spi_unregister_master);
 
+int spi_master_suspend(struct spi_master *master)
+{
+	int ret;
+
+	/* Basically no-ops for non-queued masters */
+	if (!master->queued)
+		return 0;
+
+	ret = spi_stop_queue(master);
+	if (ret)
+		dev_err(&master->dev, "queue stop failed\n");
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(spi_master_suspend);
+
+int spi_master_resume(struct spi_master *master)
+{
+	int ret;
+
+	if (!master->queued)
+		return 0;
+
+	ret = spi_start_queue(master);
+	if (ret)
+		dev_err(&master->dev, "queue restart failed\n");
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(spi_master_resume);
+
 static int __spi_master_match(struct device *dev, void *data)
 {
 	struct spi_master *m;
diff --git a/drivers/staging/ramster/xvmalloc.c b/drivers/staging/ramster/xvmalloc.c
index 1f9c5082b6d5..93ba8e9407aa 100644
--- a/drivers/staging/ramster/xvmalloc.c
+++ b/drivers/staging/ramster/xvmalloc.c
@@ -56,17 +56,17 @@ static void clear_flag(struct block_header *block, enum blockflags flag)
  * This is called from xv_malloc/xv_free path, so it
  * needs to be fast.
  */
-static void *get_ptr_atomic(struct page *page, u16 offset, enum km_type type)
+static void *get_ptr_atomic(struct page *page, u16 offset)
 {
 	unsigned char *base;
 
-	base = kmap_atomic(page, type);
+	base = kmap_atomic(page);
 	return base + offset;
 }
 
-static void put_ptr_atomic(void *ptr, enum km_type type)
+static void put_ptr_atomic(void *ptr)
 {
-	kunmap_atomic(ptr, type);
+	kunmap_atomic(ptr);
 }
 
 static u32 get_blockprev(struct block_header *block)
@@ -202,10 +202,10 @@ static void insert_block(struct xv_pool *pool, struct page *page, u32 offset,
 
 	if (block->link.next_page) {
 		nextblock = get_ptr_atomic(block->link.next_page,
-					block->link.next_offset, KM_USER1);
+					block->link.next_offset);
 		nextblock->link.prev_page = page;
 		nextblock->link.prev_offset = offset;
-		put_ptr_atomic(nextblock, KM_USER1);
+		put_ptr_atomic(nextblock);
 		/* If there was a next page then the free bits are set. */
 		return;
 	}
@@ -225,18 +225,18 @@ static void remove_block(struct xv_pool *pool, struct page *page, u32 offset,
 
 	if (block->link.prev_page) {
 		tmpblock = get_ptr_atomic(block->link.prev_page,
-				block->link.prev_offset, KM_USER1);
+				block->link.prev_offset);
 		tmpblock->link.next_page = block->link.next_page;
 		tmpblock->link.next_offset = block->link.next_offset;
-		put_ptr_atomic(tmpblock, KM_USER1);
+		put_ptr_atomic(tmpblock);
 	}
 
 	if (block->link.next_page) {
 		tmpblock = get_ptr_atomic(block->link.next_page,
-				block->link.next_offset, KM_USER1);
+				block->link.next_offset);
 		tmpblock->link.prev_page = block->link.prev_page;
 		tmpblock->link.prev_offset = block->link.prev_offset;
-		put_ptr_atomic(tmpblock, KM_USER1);
+		put_ptr_atomic(tmpblock);
 	}
 
 	/* Is this block is at the head of the freelist? */
@@ -249,11 +249,10 @@ static void remove_block(struct xv_pool *pool, struct page *page, u32 offset,
 		if (pool->freelist[slindex].page) {
 			struct block_header *tmpblock;
 			tmpblock = get_ptr_atomic(pool->freelist[slindex].page,
-					pool->freelist[slindex].offset,
-					KM_USER1);
+					pool->freelist[slindex].offset);
 			tmpblock->link.prev_page = NULL;
 			tmpblock->link.prev_offset = 0;
-			put_ptr_atomic(tmpblock, KM_USER1);
+			put_ptr_atomic(tmpblock);
 		} else {
 			/* This freelist bucket is empty */
 			__clear_bit(slindex % BITS_PER_LONG,
@@ -284,7 +283,7 @@ static int grow_pool(struct xv_pool *pool, gfp_t flags)
 	stat_inc(&pool->total_pages);
 
 	spin_lock(&pool->lock);
-	block = get_ptr_atomic(page, 0, KM_USER0);
+	block = get_ptr_atomic(page, 0);
 
 	block->size = PAGE_SIZE - XV_ALIGN;
 	set_flag(block, BLOCK_FREE);
@@ -293,7 +292,7 @@ static int grow_pool(struct xv_pool *pool, gfp_t flags)
 
 	insert_block(pool, page, 0, block);
 
-	put_ptr_atomic(block, KM_USER0);
+	put_ptr_atomic(block);
 	spin_unlock(&pool->lock);
 
 	return 0;
@@ -375,7 +374,7 @@ int xv_malloc(struct xv_pool *pool, u32 size, struct page **page,
 		return -ENOMEM;
 	}
 
-	block = get_ptr_atomic(*page, *offset, KM_USER0);
+	block = get_ptr_atomic(*page, *offset);
 
 	remove_block(pool, *page, *offset, block, index);
 
@@ -405,7 +404,7 @@ int xv_malloc(struct xv_pool *pool, u32 size, struct page **page,
 	block->size = origsize;
 	clear_flag(block, BLOCK_FREE);
 
-	put_ptr_atomic(block, KM_USER0);
+	put_ptr_atomic(block);
 	spin_unlock(&pool->lock);
 
 	*offset += XV_ALIGN;
@@ -426,7 +425,7 @@ void xv_free(struct xv_pool *pool, struct page *page, u32 offset)
 
 	spin_lock(&pool->lock);
 
-	page_start = get_ptr_atomic(page, 0, KM_USER0);
+	page_start = get_ptr_atomic(page, 0);
 	block = (struct block_header *)((char *)page_start + offset);
 
 	/* Catch double free bugs */
@@ -468,7 +467,7 @@ void xv_free(struct xv_pool *pool, struct page *page, u32 offset)
 
 	/* No used objects in this page. Free it. */
 	if (block->size == PAGE_SIZE - XV_ALIGN) {
-		put_ptr_atomic(page_start, KM_USER0);
+		put_ptr_atomic(page_start);
 		spin_unlock(&pool->lock);
 
 		__free_page(page);
@@ -486,7 +485,7 @@ void xv_free(struct xv_pool *pool, struct page *page, u32 offset)
 		set_blockprev(tmpblock, offset);
 	}
 
-	put_ptr_atomic(page_start, KM_USER0);
+	put_ptr_atomic(page_start);
 	spin_unlock(&pool->lock);
 }
 EXPORT_SYMBOL_GPL(xv_free);
diff --git a/drivers/staging/ramster/zcache-main.c b/drivers/staging/ramster/zcache-main.c
index 36d53ed9d71a..68b2e053a0e6 100644
--- a/drivers/staging/ramster/zcache-main.c
+++ b/drivers/staging/ramster/zcache-main.c
@@ -496,13 +496,13 @@ static int zbud_decompress(struct page *page, struct zbud_hdr *zh)
 	}
 	ASSERT_SENTINEL(zh, ZBH);
 	BUG_ON(zh->size == 0 || zh->size > zbud_max_buddy_size());
-	to_va = kmap_atomic(page, KM_USER0);
+	to_va = kmap_atomic(page);
 	size = zh->size;
 	from_va = zbud_data(zh, size);
 	ret = lzo1x_decompress_safe(from_va, size, to_va, &out_len);
 	BUG_ON(ret != LZO_E_OK);
 	BUG_ON(out_len != PAGE_SIZE);
-	kunmap_atomic(to_va, KM_USER0);
+	kunmap_atomic(to_va);
 out:
 	spin_unlock(&zbpg->lock);
 	return ret;
@@ -1109,7 +1109,7 @@ static struct zv_hdr *zv_create(struct zcache_client *cli, uint32_t pool_id,
 		goto out;
 	atomic_inc(&zv_curr_dist_counts[chunks]);
 	atomic_inc(&zv_cumul_dist_counts[chunks]);
-	zv = kmap_atomic(page, KM_USER0) + offset;
+	zv = kmap_atomic(page) + offset;
 	zv->index = index;
 	zv->oid = *oid;
 	zv->pool_id = pool_id;
@@ -1123,7 +1123,7 @@ static struct zv_hdr *zv_create(struct zcache_client *cli, uint32_t pool_id,
 		spin_unlock(&zcache_rem_op_list_lock);
 	}
 	memcpy((char *)zv + sizeof(struct zv_hdr), cdata, clen);
-	kunmap_atomic(zv, KM_USER0);
+	kunmap_atomic(zv);
 out:
 	return zv;
 }
@@ -1145,7 +1145,7 @@ static struct zv_hdr *zv_alloc(struct tmem_pool *pool,
 			&page, &offset, ZCACHE_GFP_MASK);
 	if (unlikely(ret))
 		goto out;
-	zv = kmap_atomic(page, KM_USER0) + offset;
+	zv = kmap_atomic(page) + offset;
 	SET_SENTINEL(zv, ZVH);
 	INIT_LIST_HEAD(&zv->rem_op.list);
 	zv->client_id = LOCAL_CLIENT;
@@ -1153,7 +1153,7 @@ static struct zv_hdr *zv_alloc(struct tmem_pool *pool,
 	zv->index = index;
 	zv->oid = *oid;
 	zv->pool_id = pool->pool_id;
-	kunmap_atomic(zv, KM_USER0);
+	kunmap_atomic(zv);
 out:
 	return zv;
 }
@@ -1194,10 +1194,10 @@ static void zv_decompress(struct page *page, struct zv_hdr *zv)
 	ASSERT_SENTINEL(zv, ZVH);
 	size = xv_get_object_size(zv) - sizeof(*zv);
 	BUG_ON(size == 0);
-	to_va = kmap_atomic(page, KM_USER0);
+	to_va = kmap_atomic(page);
 	ret = lzo1x_decompress_safe((char *)zv + sizeof(*zv),
 					size, to_va, &clen);
-	kunmap_atomic(to_va, KM_USER0);
+	kunmap_atomic(to_va);
 	BUG_ON(ret != LZO_E_OK);
 	BUG_ON(clen != PAGE_SIZE);
 }
@@ -2203,12 +2203,12 @@ static int zcache_compress(struct page *from, void **out_va, size_t *out_len)
 	BUG_ON(!irqs_disabled());
 	if (unlikely(dmem == NULL || wmem == NULL))
 		goto out;  /* no buffer, so can't compress */
-	from_va = kmap_atomic(from, KM_USER0);
+	from_va = kmap_atomic(from);
 	mb();
 	ret = lzo1x_1_compress(from_va, PAGE_SIZE, dmem, out_len, wmem);
 	BUG_ON(ret != LZO_E_OK);
 	*out_va = dmem;
-	kunmap_atomic(from_va, KM_USER0);
+	kunmap_atomic(from_va);
 	ret = 1;
 out:
 	return ret;
diff --git a/drivers/staging/rtl8192u/ieee80211/cipher.c b/drivers/staging/rtl8192u/ieee80211/cipher.c
index 69dcc3176ebc..d47345c4adcf 100644
--- a/drivers/staging/rtl8192u/ieee80211/cipher.c
+++ b/drivers/staging/rtl8192u/ieee80211/cipher.c
@@ -71,8 +71,8 @@ static int crypt(struct crypto_tfm *tfm,
 		u8 *src_p, *dst_p;
 		int in_place;
 
-		scatterwalk_map(&walk_in, 0);
-		scatterwalk_map(&walk_out, 1);
+		scatterwalk_map(&walk_in);
+		scatterwalk_map(&walk_out);
 		src_p = scatterwalk_whichbuf(&walk_in, bsize, tmp_src);
 		dst_p = scatterwalk_whichbuf(&walk_out, bsize, tmp_dst);
 		in_place = scatterwalk_samebuf(&walk_in, &walk_out,
@@ -84,10 +84,10 @@ static int crypt(struct crypto_tfm *tfm,
 
 		prfn(tfm, dst_p, src_p, crfn, enc, info, in_place);
 
-		scatterwalk_done(&walk_in, 0, nbytes);
+		scatterwalk_done(&walk_in, nbytes);
 
 		scatterwalk_copychunks(dst_p, &walk_out, bsize, 1);
-		scatterwalk_done(&walk_out, 1, nbytes);
+		scatterwalk_done(&walk_out, nbytes);
 
 		if (!nbytes)
 			return 0;
diff --git a/drivers/staging/rtl8192u/ieee80211/digest.c b/drivers/staging/rtl8192u/ieee80211/digest.c
index 301ed514ac9e..05e7497fd106 100644
--- a/drivers/staging/rtl8192u/ieee80211/digest.c
+++ b/drivers/staging/rtl8192u/ieee80211/digest.c
@@ -39,12 +39,12 @@ static void update(struct crypto_tfm *tfm,
 			unsigned int bytes_from_page = min(l, ((unsigned int)
 							   (PAGE_SIZE)) -
 							   offset);
-			char *p = crypto_kmap(pg, 0) + offset;
+			char *p = kmap_atomic(pg) + offset;
 
 			tfm->__crt_alg->cra_digest.dia_update
 					(crypto_tfm_ctx(tfm), p,
 					 bytes_from_page);
-			crypto_kunmap(p, 0);
+			kunmap_atomic(p);
 			crypto_yield(tfm);
 			offset = 0;
 			pg++;
@@ -75,10 +75,10 @@ static void digest(struct crypto_tfm *tfm,
 	tfm->crt_digest.dit_init(tfm);
 
 	for (i = 0; i < nsg; i++) {
-		char *p = crypto_kmap(sg[i].page, 0) + sg[i].offset;
+		char *p = kmap_atomic(sg[i].page) + sg[i].offset;
 		tfm->__crt_alg->cra_digest.dia_update(crypto_tfm_ctx(tfm),
 						      p, sg[i].length);
-		crypto_kunmap(p, 0);
+		kunmap_atomic(p);
 		crypto_yield(tfm);
 	}
 	crypto_digest_final(tfm, out);
diff --git a/drivers/staging/rtl8192u/ieee80211/internal.h b/drivers/staging/rtl8192u/ieee80211/internal.h
index a7c096eb269f..bebe13ac53b7 100644
--- a/drivers/staging/rtl8192u/ieee80211/internal.h
+++ b/drivers/staging/rtl8192u/ieee80211/internal.h
@@ -23,23 +23,6 @@
 #include <asm/kmap_types.h>
 
 
-extern enum km_type crypto_km_types[];
-
-static inline enum km_type crypto_kmap_type(int out)
-{
-	return crypto_km_types[(in_softirq() ? 2 : 0) + out];
-}
-
-static inline void *crypto_kmap(struct page *page, int out)
-{
-	return kmap_atomic(page, crypto_kmap_type(out));
-}
-
-static inline void crypto_kunmap(void *vaddr, int out)
-{
-	kunmap_atomic(vaddr, crypto_kmap_type(out));
-}
-
 static inline void crypto_yield(struct crypto_tfm *tfm)
 {
 	if (!in_softirq())
diff --git a/drivers/staging/rtl8192u/ieee80211/kmap_types.h b/drivers/staging/rtl8192u/ieee80211/kmap_types.h
deleted file mode 100644
index de67bb01b5f5..000000000000
--- a/drivers/staging/rtl8192u/ieee80211/kmap_types.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifndef __KMAP_TYPES_H
-
-#define __KMAP_TYPES_H
-
-
-enum km_type {
-	KM_BOUNCE_READ,
-	KM_SKB_SUNRPC_DATA,
-	KM_SKB_DATA_SOFTIRQ,
-	KM_USER0,
-	KM_USER1,
-	KM_BH_IRQ,
-	KM_SOFTIRQ0,
-	KM_SOFTIRQ1,
-	KM_TYPE_NR
-};
-
-#define _ASM_KMAP_TYPES_H
-
-#endif
diff --git a/drivers/staging/rtl8192u/ieee80211/scatterwalk.c b/drivers/staging/rtl8192u/ieee80211/scatterwalk.c
index 3543a6145046..8b73f6cefcf9 100644
--- a/drivers/staging/rtl8192u/ieee80211/scatterwalk.c
+++ b/drivers/staging/rtl8192u/ieee80211/scatterwalk.c
@@ -13,8 +13,6 @@
  * any later version.
  *
  */
-#include "kmap_types.h"
-
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/pagemap.h>
@@ -23,13 +21,6 @@
 #include "internal.h"
 #include "scatterwalk.h"
 
-enum km_type crypto_km_types[] = {
-	KM_USER0,
-	KM_USER1,
-	KM_SOFTIRQ0,
-	KM_SOFTIRQ1,
-};
-
 void *scatterwalk_whichbuf(struct scatter_walk *walk, unsigned int nbytes, void *scratch)
 {
 	if (nbytes <= walk->len_this_page &&
@@ -62,9 +53,9 @@ void scatterwalk_start(struct scatter_walk *walk, struct scatterlist *sg)
 	walk->offset = sg->offset;
 }
 
-void scatterwalk_map(struct scatter_walk *walk, int out)
+void scatterwalk_map(struct scatter_walk *walk)
 {
-	walk->data = crypto_kmap(walk->page, out) + walk->offset;
+	walk->data = kmap_atomic(walk->page) + walk->offset;
 }
 
 static void scatterwalk_pagedone(struct scatter_walk *walk, int out,
@@ -103,7 +94,7 @@ void scatterwalk_done(struct scatter_walk *walk, int out, int more)
  * has been verified as multiple of the block size.
  */
 int scatterwalk_copychunks(void *buf, struct scatter_walk *walk,
-			   size_t nbytes, int out)
+			   size_t nbytes)
 {
 	if (buf != walk->data) {
 		while (nbytes > walk->len_this_page) {
@@ -111,9 +102,9 @@ int scatterwalk_copychunks(void *buf, struct scatter_walk *walk,
 			buf += walk->len_this_page;
 			nbytes -= walk->len_this_page;
 
-			crypto_kunmap(walk->data, out);
+			kunmap_atomic(walk->data);
 			scatterwalk_pagedone(walk, out, 1);
-			scatterwalk_map(walk, out);
+			scatterwalk_map(walk);
 		}
 
 		memcpy_dir(buf, walk->data, nbytes, out);
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index 70734652f724..ed2c800b3a7e 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -455,14 +455,14 @@ static int zbud_decompress(struct page *page, struct zbud_hdr *zh)
 	}
 	ASSERT_SENTINEL(zh, ZBH);
 	BUG_ON(zh->size == 0 || zh->size > zbud_max_buddy_size());
-	to_va = kmap_atomic(page, KM_USER0);
+	to_va = kmap_atomic(page);
 	size = zh->size;
 	from_va = zbud_data(zh, size);
 	ret = zcache_comp_op(ZCACHE_COMPOP_DECOMPRESS, from_va, size,
 				to_va, &out_len);
 	BUG_ON(ret);
 	BUG_ON(out_len != PAGE_SIZE);
-	kunmap_atomic(to_va, KM_USER0);
+	kunmap_atomic(to_va);
 out:
 	spin_unlock(&zbpg->lock);
 	return ret;
@@ -753,10 +753,10 @@ static void zv_decompress(struct page *page, void *handle)
 	zv = zs_map_object(zcache_host.zspool, handle);
 	BUG_ON(zv->size == 0);
 	ASSERT_SENTINEL(zv, ZVH);
-	to_va = kmap_atomic(page, KM_USER0);
+	to_va = kmap_atomic(page);
 	ret = zcache_comp_op(ZCACHE_COMPOP_DECOMPRESS, (char *)zv + sizeof(*zv),
 				zv->size, to_va, &clen);
-	kunmap_atomic(to_va, KM_USER0);
+	kunmap_atomic(to_va);
 	zs_unmap_object(zcache_host.zspool, handle);
 	BUG_ON(ret);
 	BUG_ON(clen != PAGE_SIZE);
@@ -1334,13 +1334,13 @@ static int zcache_compress(struct page *from, void **out_va, unsigned *out_len)
 	if (unlikely(dmem == NULL))
 		goto out;  /* no buffer or no compressor so can't compress */
 	*out_len = PAGE_SIZE << ZCACHE_DSTMEM_ORDER;
-	from_va = kmap_atomic(from, KM_USER0);
+	from_va = kmap_atomic(from);
 	mb();
 	ret = zcache_comp_op(ZCACHE_COMPOP_COMPRESS, from_va, PAGE_SIZE, dmem,
 				out_len);
 	BUG_ON(ret);
 	*out_va = dmem;
-	kunmap_atomic(from_va, KM_USER0);
+	kunmap_atomic(from_va);
 	ret = 1;
 out:
 	return ret;
diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
index 7f138196b3c9..685d612a627b 100644
--- a/drivers/staging/zram/zram_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -175,9 +175,9 @@ static void handle_zero_page(struct bio_vec *bvec)
 	struct page *page = bvec->bv_page;
 	void *user_mem;
 
-	user_mem = kmap_atomic(page, KM_USER0);
+	user_mem = kmap_atomic(page);
 	memset(user_mem + bvec->bv_offset, 0, bvec->bv_len);
-	kunmap_atomic(user_mem, KM_USER0);
+	kunmap_atomic(user_mem);
 
 	flush_dcache_page(page);
 }
@@ -188,12 +188,12 @@ static void handle_uncompressed_page(struct zram *zram, struct bio_vec *bvec,
 	struct page *page = bvec->bv_page;
 	unsigned char *user_mem, *cmem;
 
-	user_mem = kmap_atomic(page, KM_USER0);
-	cmem = kmap_atomic(zram->table[index].handle, KM_USER1);
+	user_mem = kmap_atomic(page);
+	cmem = kmap_atomic(zram->table[index].handle);
 
 	memcpy(user_mem + bvec->bv_offset, cmem + offset, bvec->bv_len);
-	kunmap_atomic(cmem, KM_USER1);
-	kunmap_atomic(user_mem, KM_USER0);
+	kunmap_atomic(cmem);
+	kunmap_atomic(user_mem);
 
 	flush_dcache_page(page);
 }
@@ -242,7 +242,7 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec,
 		}
 	}
 
-	user_mem = kmap_atomic(page, KM_USER0);
+	user_mem = kmap_atomic(page);
 	if (!is_partial_io(bvec))
 		uncmem = user_mem;
 	clen = PAGE_SIZE;
@@ -260,7 +260,7 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec,
 	}
 
 	zs_unmap_object(zram->mem_pool, zram->table[index].handle);
-	kunmap_atomic(user_mem, KM_USER0);
+	kunmap_atomic(user_mem);
 
 	/* Should NEVER happen. Return bio error if it does. */
 	if (unlikely(ret != LZO_E_OK)) {
@@ -292,7 +292,7 @@ static int zram_read_before_write(struct zram *zram, char *mem, u32 index)
 	/* Page is stored uncompressed since it's incompressible */
 	if (unlikely(zram_test_flag(zram, index, ZRAM_UNCOMPRESSED))) {
 		memcpy(mem, cmem, PAGE_SIZE);
-		kunmap_atomic(cmem, KM_USER0);
+		kunmap_atomic(cmem);
 		return 0;
 	}
 
@@ -351,7 +351,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index,
 	    zram_test_flag(zram, index, ZRAM_ZERO))
 		zram_free_page(zram, index);
 
-	user_mem = kmap_atomic(page, KM_USER0);
+	user_mem = kmap_atomic(page);
 
 	if (is_partial_io(bvec))
 		memcpy(uncmem + offset, user_mem + bvec->bv_offset,
@@ -360,7 +360,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index,
 		uncmem = user_mem;
 
 	if (page_zero_filled(uncmem)) {
-		kunmap_atomic(user_mem, KM_USER0);
+		kunmap_atomic(user_mem);
 		if (is_partial_io(bvec))
 			kfree(uncmem);
 		zram_stat_inc(&zram->stats.pages_zero);
@@ -372,7 +372,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index,
 	ret = lzo1x_1_compress(uncmem, PAGE_SIZE, src, &clen,
 			       zram->compress_workmem);
 
-	kunmap_atomic(user_mem, KM_USER0);
+	kunmap_atomic(user_mem);
 	if (is_partial_io(bvec))
 			kfree(uncmem);
 
@@ -400,8 +400,8 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index,
 		zram_set_flag(zram, index, ZRAM_UNCOMPRESSED);
 		zram_stat_inc(&zram->stats.pages_expand);
 		handle = page_store;
-		src = kmap_atomic(page, KM_USER0);
-		cmem = kmap_atomic(page_store, KM_USER1);
+		src = kmap_atomic(page);
+		cmem = kmap_atomic(page_store);
 		goto memstore;
 	}
 
@@ -427,8 +427,8 @@ memstore:
 	memcpy(cmem, src, clen);
 
 	if (unlikely(zram_test_flag(zram, index, ZRAM_UNCOMPRESSED))) {
-		kunmap_atomic(cmem, KM_USER1);
-		kunmap_atomic(src, KM_USER0);
+		kunmap_atomic(cmem);
+		kunmap_atomic(src);
 	} else {
 		zs_unmap_object(zram->mem_pool, handle);
 	}
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 501b27c18145..1c6f700f5faa 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -23,6 +23,7 @@
 #include <linux/crypto.h>
 #include <linux/completion.h>
 #include <linux/module.h>
+#include <linux/idr.h>
 #include <asm/unaligned.h>
 #include <scsi/scsi_device.h>
 #include <scsi/iscsi_proto.h>
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 38cb7ce8469e..1ee33a8c3fab 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -21,6 +21,7 @@
 #include <linux/string.h>
 #include <linux/kthread.h>
 #include <linux/crypto.h>
+#include <linux/idr.h>
 #include <scsi/iscsi_proto.h>
 #include <target/target_core_base.h>
 #include <target/target_core_fabric.h>
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index cd5cd95812bb..929cc9364c8a 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2344,7 +2344,7 @@ static void transport_xor_callback(struct se_cmd *cmd)
 
 	offset = 0;
 	for_each_sg(cmd->t_bidi_data_sg, sg, cmd->t_bidi_data_nents, count) {
-		addr = kmap_atomic(sg_page(sg), KM_USER0);
+		addr = kmap_atomic(sg_page(sg));
 		if (!addr)
 			goto out;
 
@@ -2352,7 +2352,7 @@ static void transport_xor_callback(struct se_cmd *cmd)
 			*(addr + sg->offset + i) ^= *(buf + offset + i);
 
 		offset += sg->length;
-		kunmap_atomic(addr, KM_USER0);
+		kunmap_atomic(addr);
 	}
 
 out:
diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index d8cabc21036d..2b693eefac55 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -146,14 +146,13 @@ int ft_queue_data_in(struct se_cmd *se_cmd)
 					PAGE_SIZE << compound_order(page);
 		} else {
 			BUG_ON(!page);
-			from = kmap_atomic(page + (mem_off >> PAGE_SHIFT),
-					   KM_SOFTIRQ0);
+			from = kmap_atomic(page + (mem_off >> PAGE_SHIFT));
 			page_addr = from;
 			from += mem_off & ~PAGE_MASK;
 			tlen = min(tlen, (size_t)(PAGE_SIZE -
 						(mem_off & ~PAGE_MASK)));
 			memcpy(to, from, tlen);
-			kunmap_atomic(page_addr, KM_SOFTIRQ0);
+			kunmap_atomic(page_addr);
 			to += tlen;
 		}
 
@@ -291,14 +290,13 @@ void ft_recv_write_data(struct ft_cmd *cmd, struct fc_frame *fp)
 
 		tlen = min(mem_len, frame_len);
 
-		to = kmap_atomic(page + (mem_off >> PAGE_SHIFT),
-				 KM_SOFTIRQ0);
+		to = kmap_atomic(page + (mem_off >> PAGE_SHIFT));
 		page_addr = to;
 		to += mem_off & ~PAGE_MASK;
 		tlen = min(tlen, (size_t)(PAGE_SIZE -
 					  (mem_off & ~PAGE_MASK)));
 		memcpy(to, from, tlen);
-		kunmap_atomic(page_addr, KM_SOFTIRQ0);
+		kunmap_atomic(page_addr);
 
 		from += tlen;
 		frame_len -= tlen;
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index 7cdcb63b21ff..85a5cebe96b3 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -345,7 +345,7 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req)
 		}
 
 		skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
-				skb->len <= 1, req->actual);
+				skb->len <= 1, req->actual, req->actual);
 		page = NULL;
 
 		if (req->actual < req->length) { /* Last fragment */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 6815701cf656..836cfa9a515f 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -903,8 +903,10 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0165, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0167, 0xff, 0xff, 0xff),
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1057, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1058, 0xff, 0xff, 0xff) },
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 9dab1f51dd43..f0da2c32fbde 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -588,7 +588,7 @@ static int vhost_net_release(struct inode *inode, struct file *f)
 
 	vhost_net_stop(n, &tx_sock, &rx_sock);
 	vhost_net_flush(n);
-	vhost_dev_cleanup(&n->dev);
+	vhost_dev_cleanup(&n->dev, false);
 	if (tx_sock)
 		fput(tx_sock->file);
 	if (rx_sock)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index c14c42b95ab8..947f00d8e091 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -222,6 +222,8 @@ static int vhost_worker(void *data)
 		if (work) {
 			__set_current_state(TASK_RUNNING);
 			work->fn(work);
+			if (need_resched())
+				schedule();
 		} else
 			schedule();
 
@@ -403,7 +405,7 @@ long vhost_dev_reset_owner(struct vhost_dev *dev)
 	if (!memory)
 		return -ENOMEM;
 
-	vhost_dev_cleanup(dev);
+	vhost_dev_cleanup(dev, true);
 
 	memory->nregions = 0;
 	RCU_INIT_POINTER(dev->memory, memory);
@@ -434,8 +436,8 @@ int vhost_zerocopy_signal_used(struct vhost_virtqueue *vq)
 	return j;
 }
 
-/* Caller should have device mutex */
-void vhost_dev_cleanup(struct vhost_dev *dev)
+/* Caller should have device mutex if and only if locked is set */
+void vhost_dev_cleanup(struct vhost_dev *dev, bool locked)
 {
 	int i;
 
@@ -472,7 +474,8 @@ void vhost_dev_cleanup(struct vhost_dev *dev)
 	dev->log_file = NULL;
 	/* No one will access memory at this point */
 	kfree(rcu_dereference_protected(dev->memory,
-					lockdep_is_held(&dev->mutex)));
+					locked ==
+						lockdep_is_held(&dev->mutex)));
 	RCU_INIT_POINTER(dev->memory, NULL);
 	WARN_ON(!list_empty(&dev->work_list));
 	if (dev->worker) {
@@ -937,9 +940,9 @@ static int set_bit_to_user(int nr, void __user *addr)
 	if (r < 0)
 		return r;
 	BUG_ON(r != 1);
-	base = kmap_atomic(page, KM_USER0);
+	base = kmap_atomic(page);
 	set_bit(bit, base);
-	kunmap_atomic(base, KM_USER0);
+	kunmap_atomic(base);
 	set_page_dirty_lock(page);
 	put_page(page);
 	return 0;
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index a801e2821d03..8dcf4cca6bf2 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -163,7 +163,7 @@ struct vhost_dev {
 long vhost_dev_init(struct vhost_dev *, struct vhost_virtqueue *vqs, int nvqs);
 long vhost_dev_check_owner(struct vhost_dev *);
 long vhost_dev_reset_owner(struct vhost_dev *);
-void vhost_dev_cleanup(struct vhost_dev *);
+void vhost_dev_cleanup(struct vhost_dev *, bool locked);
 long vhost_dev_ioctl(struct vhost_dev *, unsigned int ioctl, unsigned long arg);
 int vhost_vq_access_ok(struct vhost_virtqueue *vq);
 int vhost_log_access_ok(struct vhost_dev *);
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index ce4fa0831860..9e14ae6cd49c 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -129,9 +129,9 @@ static void do_suspend(void)
 	printk(KERN_DEBUG "suspending xenstore...\n");
 	xs_suspend();
 
-	err = dpm_suspend_noirq(PMSG_FREEZE);
+	err = dpm_suspend_end(PMSG_FREEZE);
 	if (err) {
-		printk(KERN_ERR "dpm_suspend_noirq failed: %d\n", err);
+		printk(KERN_ERR "dpm_suspend_end failed: %d\n", err);
 		goto out_resume;
 	}
 
@@ -149,7 +149,7 @@ static void do_suspend(void)
 
 	err = stop_machine(xen_suspend, &si, cpumask_of(0));
 
-	dpm_resume_noirq(si.cancelled ? PMSG_THAW : PMSG_RESTORE);
+	dpm_resume_start(si.cancelled ? PMSG_THAW : PMSG_RESTORE);
 
 	if (err) {
 		printk(KERN_ERR "failed to start xen_suspend: %d\n", err);