diff options
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/Kconfig | 10 | ||||
-rw-r--r-- | drivers/misc/Makefile | 1 | ||||
-rw-r--r-- | drivers/misc/eeprom/at24.c | 112 | ||||
-rw-r--r-- | drivers/misc/ibmasm/event.c | 2 | ||||
-rw-r--r-- | drivers/misc/ibmasm/module.c | 6 | ||||
-rw-r--r-- | drivers/misc/lkdtm_core.c | 154 | ||||
-rw-r--r-- | drivers/misc/mei/pci-me.c | 2 | ||||
-rw-r--r-- | drivers/misc/mei/pci-txe.c | 2 | ||||
-rw-r--r-- | drivers/misc/mic/scif/scif_rb.c | 8 | ||||
-rw-r--r-- | drivers/misc/mic/scif/scif_rma.c | 3 | ||||
-rw-r--r-- | drivers/misc/mic/scif/scif_rma_list.c | 2 | ||||
-rw-r--r-- | drivers/misc/sgi-xp/xpc_main.c | 15 | ||||
-rw-r--r-- | drivers/misc/sgi-xp/xpc_sn2.c | 15 | ||||
-rw-r--r-- | drivers/misc/ti_dac7512.c | 103 | ||||
-rw-r--r-- | drivers/misc/vmw_balloon.c | 2 |
15 files changed, 182 insertions, 255 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 8136dc7e863d..f1a5c2357b14 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -393,16 +393,6 @@ config SPEAR13XX_PCIE_GADGET entry will be created for that controller. User can use these sysfs node to configure PCIe EP as per his requirements. -config TI_DAC7512 - tristate "Texas Instruments DAC7512" - depends on SPI && SYSFS - help - If you say yes here you get support for the Texas Instruments - DAC7512 16-bit digital-to-analog converter. - - This driver can also be built as a module. If so, the module - will be called ti_dac7512. - config VMWARE_BALLOON tristate "VMware Balloon Driver" depends on VMWARE_VMCI && X86 && HYPERVISOR_GUEST diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index ad0e64fdba34..5ca5f64df478 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -31,7 +31,6 @@ obj-$(CONFIG_ISL29003) += isl29003.o obj-$(CONFIG_ISL29020) += isl29020.o obj-$(CONFIG_SENSORS_TSL2550) += tsl2550.o obj-$(CONFIG_DS1682) += ds1682.o -obj-$(CONFIG_TI_DAC7512) += ti_dac7512.o obj-$(CONFIG_C2PORT) += c2port/ obj-$(CONFIG_HMC6352) += hmc6352.o obj-y += eeprom/ diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 764ff5df0dbc..e0b4b36ef010 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/slab.h> #include <linux/delay.h> #include <linux/mutex.h> @@ -24,6 +25,7 @@ #include <linux/i2c.h> #include <linux/nvmem-provider.h> #include <linux/platform_data/at24.h> +#include <linux/pm_runtime.h> /* * I2C EEPROMs from most vendors are inexpensive and mostly interchangeable. @@ -175,6 +177,64 @@ static const struct i2c_device_id at24_ids[] = { }; MODULE_DEVICE_TABLE(i2c, at24_ids); +static const struct of_device_id at24_of_match[] = { + { + .compatible = "atmel,24c00", + .data = (void *)AT24_DEVICE_MAGIC(128 / 8, AT24_FLAG_TAKE8ADDR) + }, + { + .compatible = "atmel,24c01", + .data = (void *)AT24_DEVICE_MAGIC(1024 / 8, 0) + }, + { + .compatible = "atmel,24c02", + .data = (void *)AT24_DEVICE_MAGIC(2048 / 8, 0) + }, + { + .compatible = "atmel,spd", + .data = (void *)AT24_DEVICE_MAGIC(2048 / 8, + AT24_FLAG_READONLY | AT24_FLAG_IRUGO) + }, + { + .compatible = "atmel,24c04", + .data = (void *)AT24_DEVICE_MAGIC(4096 / 8, 0) + }, + { + .compatible = "atmel,24c08", + .data = (void *)AT24_DEVICE_MAGIC(8192 / 8, 0) + }, + { + .compatible = "atmel,24c16", + .data = (void *)AT24_DEVICE_MAGIC(16384 / 8, 0) + }, + { + .compatible = "atmel,24c32", + .data = (void *)AT24_DEVICE_MAGIC(32768 / 8, AT24_FLAG_ADDR16) + }, + { + .compatible = "atmel,24c64", + .data = (void *)AT24_DEVICE_MAGIC(65536 / 8, AT24_FLAG_ADDR16) + }, + { + .compatible = "atmel,24c128", + .data = (void *)AT24_DEVICE_MAGIC(131072 / 8, AT24_FLAG_ADDR16) + }, + { + .compatible = "atmel,24c256", + .data = (void *)AT24_DEVICE_MAGIC(262144 / 8, AT24_FLAG_ADDR16) + }, + { + .compatible = "atmel,24c512", + .data = (void *)AT24_DEVICE_MAGIC(524288 / 8, AT24_FLAG_ADDR16) + }, + { + .compatible = "atmel,24c1024", + .data = (void *)AT24_DEVICE_MAGIC(1048576 / 8, AT24_FLAG_ADDR16) + }, + { }, +}; +MODULE_DEVICE_TABLE(of, at24_of_match); + static const struct acpi_device_id at24_acpi_ids[] = { { "INT3499", AT24_DEVICE_MAGIC(8192 / 8, 0) }, { } @@ -501,11 +561,21 @@ static ssize_t at24_eeprom_write_i2c(struct at24_data *at24, const char *buf, static int at24_read(void *priv, unsigned int off, void *val, size_t count) { struct at24_data *at24 = priv; + struct i2c_client *client; char *buf = val; + int ret; if (unlikely(!count)) return count; + client = at24_translate_offset(at24, &off); + + ret = pm_runtime_get_sync(&client->dev); + if (ret < 0) { + pm_runtime_put_noidle(&client->dev); + return ret; + } + /* * Read data from chip, protecting against concurrent updates * from this host, but not from other I2C masters. @@ -518,6 +588,7 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count) status = at24->read_func(at24, buf, off, count); if (status < 0) { mutex_unlock(&at24->lock); + pm_runtime_put(&client->dev); return status; } buf += status; @@ -527,17 +598,29 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count) mutex_unlock(&at24->lock); + pm_runtime_put(&client->dev); + return 0; } static int at24_write(void *priv, unsigned int off, void *val, size_t count) { struct at24_data *at24 = priv; + struct i2c_client *client; char *buf = val; + int ret; if (unlikely(!count)) return -EINVAL; + client = at24_translate_offset(at24, &off); + + ret = pm_runtime_get_sync(&client->dev); + if (ret < 0) { + pm_runtime_put_noidle(&client->dev); + return ret; + } + /* * Write data to chip, protecting against concurrent updates * from this host, but not from other I2C masters. @@ -550,6 +633,7 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count) status = at24->write_func(at24, buf, off, count); if (status < 0) { mutex_unlock(&at24->lock); + pm_runtime_put(&client->dev); return status; } buf += status; @@ -559,6 +643,8 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count) mutex_unlock(&at24->lock); + pm_runtime_put(&client->dev); + return 0; } @@ -570,6 +656,10 @@ static void at24_get_pdata(struct device *dev, struct at24_platform_data *chip) if (device_property_present(dev, "read-only")) chip->flags |= AT24_FLAG_READONLY; + err = device_property_read_u32(dev, "size", &val); + if (!err) + chip->byte_len = val; + err = device_property_read_u32(dev, "pagesize", &val); if (!err) { chip->page_size = val; @@ -598,7 +688,16 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id) if (client->dev.platform_data) { chip = *(struct at24_platform_data *)client->dev.platform_data; } else { - if (id) { + /* + * The I2C core allows OF nodes compatibles to match against the + * I2C device ID table as a fallback, so check not only if an OF + * node is present but also if it matches an OF device ID entry. + */ + if (client->dev.of_node && + of_match_device(at24_of_match, &client->dev)) { + magic = (kernel_ulong_t) + of_device_get_match_data(&client->dev); + } else if (id) { magic = id->driver_data; } else { const struct acpi_device_id *aid; @@ -739,11 +838,16 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id) i2c_set_clientdata(client, at24); + /* enable runtime pm */ + pm_runtime_set_active(&client->dev); + pm_runtime_enable(&client->dev); + /* * Perform a one-byte test read to verify that the * chip is functional. */ err = at24_read(at24, 0, &test_byte, 1); + pm_runtime_idle(&client->dev); if (err) { err = -ENODEV; goto err_clients; @@ -791,6 +895,8 @@ err_clients: if (at24->client[i]) i2c_unregister_device(at24->client[i]); + pm_runtime_disable(&client->dev); + return err; } @@ -806,6 +912,9 @@ static int at24_remove(struct i2c_client *client) for (i = 1; i < at24->num_addresses; i++) i2c_unregister_device(at24->client[i]); + pm_runtime_disable(&client->dev); + pm_runtime_set_suspended(&client->dev); + return 0; } @@ -814,6 +923,7 @@ static int at24_remove(struct i2c_client *client) static struct i2c_driver at24_driver = { .driver = { .name = "at24", + .of_match_table = at24_of_match, .acpi_match_table = ACPI_PTR(at24_acpi_ids), }, .probe = at24_probe, diff --git a/drivers/misc/ibmasm/event.c b/drivers/misc/ibmasm/event.c index 8e540f4e9d52..7e33025b4854 100644 --- a/drivers/misc/ibmasm/event.c +++ b/drivers/misc/ibmasm/event.c @@ -155,7 +155,7 @@ int ibmasm_event_buffer_init(struct service_processor *sp) buffer = kmalloc(sizeof(struct event_buffer), GFP_KERNEL); if (!buffer) - return 1; + return -ENOMEM; buffer->next_index = 0; buffer->next_serial_number = 1; diff --git a/drivers/misc/ibmasm/module.c b/drivers/misc/ibmasm/module.c index c5a456b0a564..e914b8c80943 100644 --- a/drivers/misc/ibmasm/module.c +++ b/drivers/misc/ibmasm/module.c @@ -94,12 +94,14 @@ static int ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id) snprintf(sp->dirname, IBMASM_NAME_SIZE, "%d", sp->number); snprintf(sp->devname, IBMASM_NAME_SIZE, "%s%d", DRIVER_NAME, sp->number); - if (ibmasm_event_buffer_init(sp)) { + result = ibmasm_event_buffer_init(sp); + if (result) { dev_err(sp->dev, "Failed to allocate event buffer\n"); goto error_eventbuffer; } - if (ibmasm_heartbeat_init(sp)) { + result = ibmasm_heartbeat_init(sp); + if (result) { dev_err(sp->dev, "Failed to allocate heartbeat command\n"); goto error_heartbeat; } diff --git a/drivers/misc/lkdtm_core.c b/drivers/misc/lkdtm_core.c index 981b3ef71e47..ed7f0c61c59a 100644 --- a/drivers/misc/lkdtm_core.c +++ b/drivers/misc/lkdtm_core.c @@ -56,122 +56,54 @@ static ssize_t direct_entry(struct file *f, const char __user *user_buf, size_t count, loff_t *off); #ifdef CONFIG_KPROBES -static void lkdtm_handler(void); +static int lkdtm_kprobe_handler(struct kprobe *kp, struct pt_regs *regs); static ssize_t lkdtm_debugfs_entry(struct file *f, const char __user *user_buf, size_t count, loff_t *off); - - -/* jprobe entry point handlers. */ -static unsigned int jp_do_irq(unsigned int irq) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} - -static irqreturn_t jp_handle_irq_event(unsigned int irq, - struct irqaction *action) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} - -static void jp_tasklet_action(struct softirq_action *a) -{ - lkdtm_handler(); - jprobe_return(); -} - -static void jp_ll_rw_block(int rw, int nr, struct buffer_head *bhs[]) -{ - lkdtm_handler(); - jprobe_return(); -} - -struct scan_control; - -static unsigned long jp_shrink_inactive_list(unsigned long max_scan, - struct zone *zone, - struct scan_control *sc) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} - -static int jp_hrtimer_start(struct hrtimer *timer, ktime_t tim, - const enum hrtimer_mode mode) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} - -static int jp_scsi_dispatch_cmd(struct scsi_cmnd *cmd) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} - -# ifdef CONFIG_IDE -static int jp_generic_ide_ioctl(ide_drive_t *drive, struct file *file, - struct block_device *bdev, unsigned int cmd, - unsigned long arg) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} -# endif +# define CRASHPOINT_KPROBE(_symbol) \ + .kprobe = { \ + .symbol_name = (_symbol), \ + .pre_handler = lkdtm_kprobe_handler, \ + }, +# define CRASHPOINT_WRITE(_symbol) \ + (_symbol) ? lkdtm_debugfs_entry : direct_entry +#else +# define CRASHPOINT_KPROBE(_symbol) +# define CRASHPOINT_WRITE(_symbol) direct_entry #endif /* Crash points */ struct crashpoint { const char *name; const struct file_operations fops; - struct jprobe jprobe; + struct kprobe kprobe; }; -#define CRASHPOINT(_name, _write, _symbol, _entry) \ +#define CRASHPOINT(_name, _symbol) \ { \ .name = _name, \ .fops = { \ .read = lkdtm_debugfs_read, \ .llseek = generic_file_llseek, \ .open = lkdtm_debugfs_open, \ - .write = _write, \ - }, \ - .jprobe = { \ - .kp.symbol_name = _symbol, \ - .entry = (kprobe_opcode_t *)_entry, \ + .write = CRASHPOINT_WRITE(_symbol) \ }, \ + CRASHPOINT_KPROBE(_symbol) \ } /* Define the possible places where we can trigger a crash point. */ -struct crashpoint crashpoints[] = { - CRASHPOINT("DIRECT", direct_entry, - NULL, NULL), +static struct crashpoint crashpoints[] = { + CRASHPOINT("DIRECT", NULL), #ifdef CONFIG_KPROBES - CRASHPOINT("INT_HARDWARE_ENTRY", lkdtm_debugfs_entry, - "do_IRQ", jp_do_irq), - CRASHPOINT("INT_HW_IRQ_EN", lkdtm_debugfs_entry, - "handle_IRQ_event", jp_handle_irq_event), - CRASHPOINT("INT_TASKLET_ENTRY", lkdtm_debugfs_entry, - "tasklet_action", jp_tasklet_action), - CRASHPOINT("FS_DEVRW", lkdtm_debugfs_entry, - "ll_rw_block", jp_ll_rw_block), - CRASHPOINT("MEM_SWAPOUT", lkdtm_debugfs_entry, - "shrink_inactive_list", jp_shrink_inactive_list), - CRASHPOINT("TIMERADD", lkdtm_debugfs_entry, - "hrtimer_start", jp_hrtimer_start), - CRASHPOINT("SCSI_DISPATCH_CMD", lkdtm_debugfs_entry, - "scsi_dispatch_cmd", jp_scsi_dispatch_cmd), + CRASHPOINT("INT_HARDWARE_ENTRY", "do_IRQ"), + CRASHPOINT("INT_HW_IRQ_EN", "handle_IRQ_event"), + CRASHPOINT("INT_TASKLET_ENTRY", "tasklet_action"), + CRASHPOINT("FS_DEVRW", "ll_rw_block"), + CRASHPOINT("MEM_SWAPOUT", "shrink_inactive_list"), + CRASHPOINT("TIMERADD", "hrtimer_start"), + CRASHPOINT("SCSI_DISPATCH_CMD", "scsi_dispatch_cmd"), # ifdef CONFIG_IDE - CRASHPOINT("IDE_CORE_CP", lkdtm_debugfs_entry, - "generic_ide_ioctl", jp_generic_ide_ioctl), + CRASHPOINT("IDE_CORE_CP", "generic_ide_ioctl"), # endif #endif }; @@ -254,8 +186,8 @@ struct crashtype crashtypes[] = { }; -/* Global jprobe entry and crashtype. */ -static struct jprobe *lkdtm_jprobe; +/* Global kprobe entry and crashtype. */ +static struct kprobe *lkdtm_kprobe; struct crashpoint *lkdtm_crashpoint; struct crashtype *lkdtm_crashtype; @@ -298,7 +230,8 @@ static struct crashtype *find_crashtype(const char *name) */ static noinline void lkdtm_do_action(struct crashtype *crashtype) { - BUG_ON(!crashtype || !crashtype->func); + if (WARN_ON(!crashtype || !crashtype->func)) + return; crashtype->func(); } @@ -308,22 +241,22 @@ static int lkdtm_register_cpoint(struct crashpoint *crashpoint, int ret; /* If this doesn't have a symbol, just call immediately. */ - if (!crashpoint->jprobe.kp.symbol_name) { + if (!crashpoint->kprobe.symbol_name) { lkdtm_do_action(crashtype); return 0; } - if (lkdtm_jprobe != NULL) - unregister_jprobe(lkdtm_jprobe); + if (lkdtm_kprobe != NULL) + unregister_kprobe(lkdtm_kprobe); lkdtm_crashpoint = crashpoint; lkdtm_crashtype = crashtype; - lkdtm_jprobe = &crashpoint->jprobe; - ret = register_jprobe(lkdtm_jprobe); + lkdtm_kprobe = &crashpoint->kprobe; + ret = register_kprobe(lkdtm_kprobe); if (ret < 0) { - pr_info("Couldn't register jprobe %s\n", - crashpoint->jprobe.kp.symbol_name); - lkdtm_jprobe = NULL; + pr_info("Couldn't register kprobe %s\n", + crashpoint->kprobe.symbol_name); + lkdtm_kprobe = NULL; lkdtm_crashpoint = NULL; lkdtm_crashtype = NULL; } @@ -336,13 +269,14 @@ static int lkdtm_register_cpoint(struct crashpoint *crashpoint, static int crash_count = DEFAULT_COUNT; static DEFINE_SPINLOCK(crash_count_lock); -/* Called by jprobe entry points. */ -static void lkdtm_handler(void) +/* Called by kprobe entry points. */ +static int lkdtm_kprobe_handler(struct kprobe *kp, struct pt_regs *regs) { unsigned long flags; bool do_it = false; - BUG_ON(!lkdtm_crashpoint || !lkdtm_crashtype); + if (WARN_ON(!lkdtm_crashpoint || !lkdtm_crashtype)) + return 0; spin_lock_irqsave(&crash_count_lock, flags); crash_count--; @@ -357,6 +291,8 @@ static void lkdtm_handler(void) if (do_it) lkdtm_do_action(lkdtm_crashtype); + + return 0; } static ssize_t lkdtm_debugfs_entry(struct file *f, @@ -556,8 +492,8 @@ static void __exit lkdtm_module_exit(void) /* Handle test-specific clean-up. */ lkdtm_usercopy_exit(); - if (lkdtm_jprobe != NULL) - unregister_jprobe(lkdtm_jprobe); + if (lkdtm_kprobe != NULL) + unregister_kprobe(lkdtm_kprobe); pr_info("Crash point unregistered\n"); } diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 78b3172c8e6e..f4f17552c9b8 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -225,7 +225,7 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * MEI requires to resume from runtime suspend mode * in order to perform link reset flow upon system suspend. */ - pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME; + dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP); /* * ME maps runtime suspend/resume to D0i states, diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c index 0566f9bfa7de..e1b909123fb0 100644 --- a/drivers/misc/mei/pci-txe.c +++ b/drivers/misc/mei/pci-txe.c @@ -141,7 +141,7 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * MEI requires to resume from runtime suspend mode * in order to perform link reset flow upon system suspend. */ - pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME; + dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP); /* * TXE maps runtime suspend/resume to own power gating states, diff --git a/drivers/misc/mic/scif/scif_rb.c b/drivers/misc/mic/scif/scif_rb.c index 637cc4686742..b665757ca89a 100644 --- a/drivers/misc/mic/scif/scif_rb.c +++ b/drivers/misc/mic/scif/scif_rb.c @@ -138,7 +138,7 @@ void scif_rb_commit(struct scif_rb *rb) * the read barrier in scif_rb_count(..) */ wmb(); - ACCESS_ONCE(*rb->write_ptr) = rb->current_write_offset; + WRITE_ONCE(*rb->write_ptr, rb->current_write_offset); #ifdef CONFIG_INTEL_MIC_CARD /* * X100 Si bug: For the case where a Core is performing an EXT_WR @@ -147,7 +147,7 @@ void scif_rb_commit(struct scif_rb *rb) * This way, if ordering is violated for the Interrupt Message, it will * fall just behind the first Posted associated with the first EXT_WR. */ - ACCESS_ONCE(*rb->write_ptr) = rb->current_write_offset; + WRITE_ONCE(*rb->write_ptr, rb->current_write_offset); #endif } @@ -210,7 +210,7 @@ void scif_rb_update_read_ptr(struct scif_rb *rb) * scif_rb_space(..) */ mb(); - ACCESS_ONCE(*rb->read_ptr) = new_offset; + WRITE_ONCE(*rb->read_ptr, new_offset); #ifdef CONFIG_INTEL_MIC_CARD /* * X100 Si Bug: For the case where a Core is performing an EXT_WR @@ -219,7 +219,7 @@ void scif_rb_update_read_ptr(struct scif_rb *rb) * This way, if ordering is violated for the Interrupt Message, it will * fall just behind the first Posted associated with the first EXT_WR. */ - ACCESS_ONCE(*rb->read_ptr) = new_offset; + WRITE_ONCE(*rb->read_ptr, new_offset); #endif } diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_rma.c index 329727e00e97..c824329f7012 100644 --- a/drivers/misc/mic/scif/scif_rma.c +++ b/drivers/misc/mic/scif/scif_rma.c @@ -39,8 +39,7 @@ void scif_rma_ep_init(struct scif_endpt *ep) struct scif_endpt_rma_info *rma = &ep->rma_info; mutex_init(&rma->rma_lock); - init_iova_domain(&rma->iovad, PAGE_SIZE, SCIF_IOVA_START_PFN, - SCIF_DMA_64BIT_PFN); + init_iova_domain(&rma->iovad, PAGE_SIZE, SCIF_IOVA_START_PFN); spin_lock_init(&rma->tc_lock); mutex_init(&rma->mmn_lock); INIT_LIST_HEAD(&rma->reg_list); diff --git a/drivers/misc/mic/scif/scif_rma_list.c b/drivers/misc/mic/scif/scif_rma_list.c index e1ef8daedd5a..a036dbb4101e 100644 --- a/drivers/misc/mic/scif/scif_rma_list.c +++ b/drivers/misc/mic/scif/scif_rma_list.c @@ -277,7 +277,7 @@ retry: * Need to restart list traversal if there has been * an asynchronous list entry deletion. */ - if (ACCESS_ONCE(ep->rma_info.async_list_del)) + if (READ_ONCE(ep->rma_info.async_list_del)) goto retry; } mutex_unlock(&ep->rma_info.rma_lock); diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c index 7f327121e6d7..0c775d6fcf59 100644 --- a/drivers/misc/sgi-xp/xpc_main.c +++ b/drivers/misc/sgi-xp/xpc_main.c @@ -172,9 +172,9 @@ struct xpc_arch_operations xpc_arch_ops; * Timer function to enforce the timelimit on the partition disengage. */ static void -xpc_timeout_partition_disengage(unsigned long data) +xpc_timeout_partition_disengage(struct timer_list *t) { - struct xpc_partition *part = (struct xpc_partition *)data; + struct xpc_partition *part = from_timer(part, t, disengage_timer); DBUG_ON(time_is_after_jiffies(part->disengage_timeout)); @@ -190,7 +190,7 @@ xpc_timeout_partition_disengage(unsigned long data) * specify when the next timeout should occur. */ static void -xpc_hb_beater(unsigned long dummy) +xpc_hb_beater(struct timer_list *unused) { xpc_arch_ops.increment_heartbeat(); @@ -205,8 +205,7 @@ static void xpc_start_hb_beater(void) { xpc_arch_ops.heartbeat_init(); - init_timer(&xpc_hb_timer); - xpc_hb_timer.function = xpc_hb_beater; + timer_setup(&xpc_hb_timer, xpc_hb_beater, 0); xpc_hb_beater(0); } @@ -931,10 +930,8 @@ xpc_setup_partitions(void) part->act_state = XPC_P_AS_INACTIVE; XPC_SET_REASON(part, 0, 0); - init_timer(&part->disengage_timer); - part->disengage_timer.function = - xpc_timeout_partition_disengage; - part->disengage_timer.data = (unsigned long)part; + timer_setup(&part->disengage_timer, + xpc_timeout_partition_disengage, 0); part->setup_state = XPC_P_SS_UNSET; init_waitqueue_head(&part->teardown_wq); diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c index 7d71c04fc938..5a12d2a54049 100644 --- a/drivers/misc/sgi-xp/xpc_sn2.c +++ b/drivers/misc/sgi-xp/xpc_sn2.c @@ -323,16 +323,16 @@ xpc_handle_notify_IRQ_sn2(int irq, void *dev_id) * was received. */ static void -xpc_check_for_dropped_notify_IRQ_sn2(struct xpc_partition *part) +xpc_check_for_dropped_notify_IRQ_sn2(struct timer_list *t) { - struct xpc_partition_sn2 *part_sn2 = &part->sn.sn2; + struct xpc_partition *part = + from_timer(part, t, sn.sn2.dropped_notify_IRQ_timer); if (xpc_part_ref(part)) { xpc_check_for_sent_chctl_flags_sn2(part); - part_sn2->dropped_notify_IRQ_timer.expires = jiffies + - XPC_DROPPED_NOTIFY_IRQ_WAIT_INTERVAL; - add_timer(&part_sn2->dropped_notify_IRQ_timer); + t->expires = jiffies + XPC_DROPPED_NOTIFY_IRQ_WAIT_INTERVAL; + add_timer(t); xpc_part_deref(part); } } @@ -1232,10 +1232,7 @@ xpc_setup_ch_structures_sn2(struct xpc_partition *part) /* Setup a timer to check for dropped notify IRQs */ timer = &part_sn2->dropped_notify_IRQ_timer; - init_timer(timer); - timer->function = - (void (*)(unsigned long))xpc_check_for_dropped_notify_IRQ_sn2; - timer->data = (unsigned long)part; + timer_setup(timer, xpc_check_for_dropped_notify_IRQ_sn2, 0); timer->expires = jiffies + XPC_DROPPED_NOTIFY_IRQ_WAIT_INTERVAL; add_timer(timer); diff --git a/drivers/misc/ti_dac7512.c b/drivers/misc/ti_dac7512.c deleted file mode 100644 index f5456fb7d773..000000000000 --- a/drivers/misc/ti_dac7512.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * dac7512.c - Linux kernel module for - * Texas Instruments DAC7512 - * - * Copyright (c) 2009 Daniel Mack <daniel@caiaq.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/module.h> -#include <linux/spi/spi.h> -#include <linux/of.h> - -static ssize_t dac7512_store_val(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct spi_device *spi = to_spi_device(dev); - unsigned char tmp[2]; - unsigned long val; - int ret; - - ret = kstrtoul(buf, 10, &val); - if (ret) - return ret; - - tmp[0] = val >> 8; - tmp[1] = val & 0xff; - spi_write(spi, tmp, sizeof(tmp)); - return count; -} - -static DEVICE_ATTR(value, S_IWUSR, NULL, dac7512_store_val); - -static struct attribute *dac7512_attributes[] = { - &dev_attr_value.attr, - NULL -}; - -static const struct attribute_group dac7512_attr_group = { - .attrs = dac7512_attributes, -}; - -static int dac7512_probe(struct spi_device *spi) -{ - int ret; - - spi->bits_per_word = 8; - spi->mode = SPI_MODE_0; - ret = spi_setup(spi); - if (ret < 0) - return ret; - - return sysfs_create_group(&spi->dev.kobj, &dac7512_attr_group); -} - -static int dac7512_remove(struct spi_device *spi) -{ - sysfs_remove_group(&spi->dev.kobj, &dac7512_attr_group); - return 0; -} - -static const struct spi_device_id dac7512_id_table[] = { - { "dac7512", 0 }, - { } -}; -MODULE_DEVICE_TABLE(spi, dac7512_id_table); - -#ifdef CONFIG_OF -static const struct of_device_id dac7512_of_match[] = { - { .compatible = "ti,dac7512", }, - { } -}; -MODULE_DEVICE_TABLE(of, dac7512_of_match); -#endif - -static struct spi_driver dac7512_driver = { - .driver = { - .name = "dac7512", - .of_match_table = of_match_ptr(dac7512_of_match), - }, - .probe = dac7512_probe, - .remove = dac7512_remove, - .id_table = dac7512_id_table, -}; - -module_spi_driver(dac7512_driver); - -MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); -MODULE_DESCRIPTION("DAC7512 16-bit DAC"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c index 1e688bfec567..9047c0a529b2 100644 --- a/drivers/misc/vmw_balloon.c +++ b/drivers/misc/vmw_balloon.c @@ -1271,7 +1271,7 @@ static int __init vmballoon_init(void) * Check if we are running on VMware's hypervisor and bail out * if we are not. */ - if (x86_hyper != &x86_hyper_vmware) + if (x86_hyper_type != X86_HYPER_VMWARE) return -ENODEV; for (is_2m_pages = 0; is_2m_pages < VMW_BALLOON_NUM_PAGE_SIZES; |