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-rw-r--r--drivers/w1/masters/ds1wm.c2
-rw-r--r--drivers/w1/masters/ds2482.c2
-rw-r--r--drivers/w1/masters/ds2490.c50
-rw-r--r--drivers/w1/masters/mxc_w1.c64
-rw-r--r--drivers/w1/slaves/Kconfig8
-rw-r--r--drivers/w1/slaves/Makefile1
-rw-r--r--drivers/w1/slaves/w1_ds2406.c168
-rw-r--r--drivers/w1/slaves/w1_ds2760.c3
-rw-r--r--drivers/w1/w1.c10
-rw-r--r--drivers/w1/w1_family.c2
-rw-r--r--drivers/w1/w1_family.h1
-rw-r--r--drivers/w1/w1_int.c19
-rw-r--r--drivers/w1/w1_log.h4
-rw-r--r--drivers/w1/w1_netlink.c3
14 files changed, 258 insertions, 79 deletions
diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c
index 02df3b1381d2..e0b8a4bc73df 100644
--- a/drivers/w1/masters/ds1wm.c
+++ b/drivers/w1/masters/ds1wm.c
@@ -563,7 +563,7 @@ static struct platform_driver ds1wm_driver = {
static int __init ds1wm_init(void)
{
- printk("DS1WM w1 busmaster driver - (c) 2004 Szabolcs Gyurko\n");
+ pr_info("DS1WM w1 busmaster driver - (c) 2004 Szabolcs Gyurko\n");
return platform_driver_register(&ds1wm_driver);
}
diff --git a/drivers/w1/masters/ds2482.c b/drivers/w1/masters/ds2482.c
index e033491fe308..e76a9b39abb2 100644
--- a/drivers/w1/masters/ds2482.c
+++ b/drivers/w1/masters/ds2482.c
@@ -226,7 +226,7 @@ static int ds2482_wait_1wire_idle(struct ds2482_data *pdev)
}
if (retries >= DS2482_WAIT_IDLE_TIMEOUT)
- printk(KERN_ERR "%s: timeout on channel %d\n",
+ pr_err("%s: timeout on channel %d\n",
__func__, pdev->channel);
return temp;
diff --git a/drivers/w1/masters/ds2490.c b/drivers/w1/masters/ds2490.c
index 7404ad3062b7..1de6df87bfa3 100644
--- a/drivers/w1/masters/ds2490.c
+++ b/drivers/w1/masters/ds2490.c
@@ -206,7 +206,7 @@ static int ds_send_control_cmd(struct ds_device *dev, u16 value, u16 index)
err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
CONTROL_CMD, VENDOR, value, index, NULL, 0, 1000);
if (err < 0) {
- printk(KERN_ERR "Failed to send command control message %x.%x: err=%d.\n",
+ pr_err("Failed to send command control message %x.%x: err=%d.\n",
value, index, err);
return err;
}
@@ -221,7 +221,7 @@ static int ds_send_control_mode(struct ds_device *dev, u16 value, u16 index)
err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
MODE_CMD, VENDOR, value, index, NULL, 0, 1000);
if (err < 0) {
- printk(KERN_ERR "Failed to send mode control message %x.%x: err=%d.\n",
+ pr_err("Failed to send mode control message %x.%x: err=%d.\n",
value, index, err);
return err;
}
@@ -236,7 +236,7 @@ static int ds_send_control(struct ds_device *dev, u16 value, u16 index)
err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
COMM_CMD, VENDOR, value, index, NULL, 0, 1000);
if (err < 0) {
- printk(KERN_ERR "Failed to send control message %x.%x: err=%d.\n",
+ pr_err("Failed to send control message %x.%x: err=%d.\n",
value, index, err);
return err;
}
@@ -255,7 +255,8 @@ static int ds_recv_status_nodump(struct ds_device *dev, struct ds_status *st,
err = usb_interrupt_msg(dev->udev, usb_rcvintpipe(dev->udev,
dev->ep[EP_STATUS]), buf, size, &count, 100);
if (err < 0) {
- printk(KERN_ERR "Failed to read 1-wire data from 0x%x: err=%d.\n", dev->ep[EP_STATUS], err);
+ pr_err("Failed to read 1-wire data from 0x%x: err=%d.\n",
+ dev->ep[EP_STATUS], err);
return err;
}
@@ -267,17 +268,17 @@ static int ds_recv_status_nodump(struct ds_device *dev, struct ds_status *st,
static inline void ds_print_msg(unsigned char *buf, unsigned char *str, int off)
{
- printk(KERN_INFO "%45s: %8x\n", str, buf[off]);
+ pr_info("%45s: %8x\n", str, buf[off]);
}
static void ds_dump_status(struct ds_device *dev, unsigned char *buf, int count)
{
int i;
- printk(KERN_INFO "0x%x: count=%d, status: ", dev->ep[EP_STATUS], count);
+ pr_info("0x%x: count=%d, status: ", dev->ep[EP_STATUS], count);
for (i=0; i<count; ++i)
- printk("%02x ", buf[i]);
- printk(KERN_INFO "\n");
+ pr_info("%02x ", buf[i]);
+ pr_info("\n");
if (count >= 16) {
ds_print_msg(buf, "enable flag", 0);
@@ -305,21 +306,21 @@ static void ds_dump_status(struct ds_device *dev, unsigned char *buf, int count)
}
ds_print_msg(buf, "Result Register Value: ", i);
if (buf[i] & RR_NRS)
- printk(KERN_INFO "NRS: Reset no presence or ...\n");
+ pr_info("NRS: Reset no presence or ...\n");
if (buf[i] & RR_SH)
- printk(KERN_INFO "SH: short on reset or set path\n");
+ pr_info("SH: short on reset or set path\n");
if (buf[i] & RR_APP)
- printk(KERN_INFO "APP: alarming presence on reset\n");
+ pr_info("APP: alarming presence on reset\n");
if (buf[i] & RR_VPP)
- printk(KERN_INFO "VPP: 12V expected not seen\n");
+ pr_info("VPP: 12V expected not seen\n");
if (buf[i] & RR_CMP)
- printk(KERN_INFO "CMP: compare error\n");
+ pr_info("CMP: compare error\n");
if (buf[i] & RR_CRC)
- printk(KERN_INFO "CRC: CRC error detected\n");
+ pr_info("CRC: CRC error detected\n");
if (buf[i] & RR_RDP)
- printk(KERN_INFO "RDP: redirected page\n");
+ pr_info("RDP: redirected page\n");
if (buf[i] & RR_EOS)
- printk(KERN_INFO "EOS: end of search error\n");
+ pr_info("EOS: end of search error\n");
}
}
@@ -330,15 +331,13 @@ static void ds_reset_device(struct ds_device *dev)
* the strong pullup.
*/
if (ds_send_control_mode(dev, MOD_PULSE_EN, PULSE_SPUE))
- printk(KERN_ERR "ds_reset_device: "
- "Error allowing strong pullup\n");
+ pr_err("ds_reset_device: Error allowing strong pullup\n");
/* Chip strong pullup time was cleared. */
if (dev->spu_sleep) {
/* lower 4 bits are 0, see ds_set_pullup */
u8 del = dev->spu_sleep>>4;
if (ds_send_control(dev, COMM_SET_DURATION | COMM_IM, del))
- printk(KERN_ERR "ds_reset_device: "
- "Error setting duration\n");
+ pr_err("ds_reset_device: Error setting duration\n");
}
}
@@ -363,7 +362,7 @@ static int ds_recv_data(struct ds_device *dev, unsigned char *buf, int size)
u8 buf[ST_SIZE];
int count;
- printk(KERN_INFO "Clearing ep0x%x.\n", dev->ep[EP_DATA_IN]);
+ pr_info("Clearing ep0x%x.\n", dev->ep[EP_DATA_IN]);
usb_clear_halt(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_DATA_IN]));
count = ds_recv_status_nodump(dev, &st, buf, sizeof(buf));
@@ -391,7 +390,7 @@ static int ds_send_data(struct ds_device *dev, unsigned char *buf, int len)
count = 0;
err = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, dev->ep[EP_DATA_OUT]), buf, len, &count, 1000);
if (err < 0) {
- printk(KERN_ERR "Failed to write 1-wire data to ep0x%x: "
+ pr_err("Failed to write 1-wire data to ep0x%x: "
"err=%d.\n", dev->ep[EP_DATA_OUT], err);
return err;
}
@@ -475,7 +474,7 @@ static int ds_wait_status(struct ds_device *dev, struct ds_status *st)
} while (!(st->status & ST_IDLE) && !(err < 0) && ++count < 100);
if (err >= 16 && st->status & ST_EPOF) {
- printk(KERN_INFO "Resetting device after ST_EPOF.\n");
+ pr_info("Resetting device after ST_EPOF.\n");
ds_reset_device(dev);
/* Always dump the device status. */
count = 101;
@@ -992,7 +991,7 @@ static int ds_probe(struct usb_interface *intf,
dev = kzalloc(sizeof(struct ds_device), GFP_KERNEL);
if (!dev) {
- printk(KERN_INFO "Failed to allocate new DS9490R structure.\n");
+ pr_info("Failed to allocate new DS9490R structure.\n");
return -ENOMEM;
}
dev->udev = usb_get_dev(udev);
@@ -1024,7 +1023,8 @@ static int ds_probe(struct usb_interface *intf,
iface_desc = &intf->altsetting[alt];
if (iface_desc->desc.bNumEndpoints != NUM_EP-1) {
- printk(KERN_INFO "Num endpoints=%d. It is not DS9490R.\n", iface_desc->desc.bNumEndpoints);
+ pr_info("Num endpoints=%d. It is not DS9490R.\n",
+ iface_desc->desc.bNumEndpoints);
err = -EINVAL;
goto err_out_clear;
}
diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
index a5df5e89d456..da3d0f0ad63c 100644
--- a/drivers/w1/masters/mxc_w1.c
+++ b/drivers/w1/masters/mxc_w1.c
@@ -15,16 +15,13 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/io.h>
+#include <linux/jiffies.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include "../w1.h"
#include "../w1_int.h"
-/* According to the mx27 Datasheet the reset procedure should take up to about
- * 1350us. We set the timeout to 500*100us = 50ms for sure */
-#define MXC_W1_RESET_TIMEOUT 500
-
/*
* MXC W1 Register offsets
*/
@@ -35,6 +32,7 @@
# define MXC_W1_CONTROL_RPP BIT(7)
#define MXC_W1_TIME_DIVIDER 0x02
#define MXC_W1_RESET 0x04
+# define MXC_W1_RESET_RST BIT(0)
struct mxc_w1_device {
void __iomem *regs;
@@ -49,24 +47,25 @@ struct mxc_w1_device {
*/
static u8 mxc_w1_ds2_reset_bus(void *data)
{
- u8 reg_val;
- unsigned int timeout_cnt = 0;
struct mxc_w1_device *dev = data;
+ unsigned long timeout;
+
+ writeb(MXC_W1_CONTROL_RPP, dev->regs + MXC_W1_CONTROL);
- writeb(MXC_W1_CONTROL_RPP, (dev->regs + MXC_W1_CONTROL));
+ /* Wait for reset sequence 511+512us, use 1500us for sure */
+ timeout = jiffies + usecs_to_jiffies(1500);
- while (1) {
- reg_val = readb(dev->regs + MXC_W1_CONTROL);
+ udelay(511 + 512);
- if (!(reg_val & MXC_W1_CONTROL_RPP) ||
- timeout_cnt > MXC_W1_RESET_TIMEOUT)
- break;
- else
- timeout_cnt++;
+ do {
+ u8 ctrl = readb(dev->regs + MXC_W1_CONTROL);
- udelay(100);
- }
- return !(reg_val & MXC_W1_CONTROL_PST);
+ /* PST bit is valid after the RPP bit is self-cleared */
+ if (!(ctrl & MXC_W1_CONTROL_RPP))
+ return !(ctrl & MXC_W1_CONTROL_PST);
+ } while (time_is_after_jiffies(timeout));
+
+ return 1;
}
/*
@@ -76,22 +75,25 @@ static u8 mxc_w1_ds2_reset_bus(void *data)
*/
static u8 mxc_w1_ds2_touch_bit(void *data, u8 bit)
{
- struct mxc_w1_device *mdev = data;
- void __iomem *ctrl_addr = mdev->regs + MXC_W1_CONTROL;
- unsigned int timeout_cnt = 400; /* Takes max. 120us according to
- * datasheet.
- */
+ struct mxc_w1_device *dev = data;
+ unsigned long timeout;
- writeb(MXC_W1_CONTROL_WR(bit), ctrl_addr);
+ writeb(MXC_W1_CONTROL_WR(bit), dev->regs + MXC_W1_CONTROL);
- while (timeout_cnt--) {
- if (!(readb(ctrl_addr) & MXC_W1_CONTROL_WR(bit)))
- break;
+ /* Wait for read/write bit (60us, Max 120us), use 200us for sure */
+ timeout = jiffies + usecs_to_jiffies(200);
- udelay(1);
- }
+ udelay(60);
- return !!(readb(ctrl_addr) & MXC_W1_CONTROL_RDST);
+ do {
+ u8 ctrl = readb(dev->regs + MXC_W1_CONTROL);
+
+ /* RDST bit is valid after the WR1/RD bit is self-cleared */
+ if (!(ctrl & MXC_W1_CONTROL_WR(bit)))
+ return !!(ctrl & MXC_W1_CONTROL_RDST);
+ } while (time_is_after_jiffies(timeout));
+
+ return 0;
}
static int mxc_w1_probe(struct platform_device *pdev)
@@ -131,6 +133,10 @@ static int mxc_w1_probe(struct platform_device *pdev)
if (err)
return err;
+ /* Software reset 1-Wire module */
+ writeb(MXC_W1_RESET_RST, mdev->regs + MXC_W1_RESET);
+ writeb(0, mdev->regs + MXC_W1_RESET);
+
writeb(clkdiv - 1, mdev->regs + MXC_W1_TIME_DIVIDER);
mdev->bus_master.data = mdev;
diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig
index 1cdce80b6abf..cfe74d09932e 100644
--- a/drivers/w1/slaves/Kconfig
+++ b/drivers/w1/slaves/Kconfig
@@ -38,6 +38,14 @@ config W1_SLAVE_DS2413
Say Y here if you want to use a 1-wire
DS2413 Dual Channel Addressable Switch device support
+config W1_SLAVE_DS2406
+ tristate "Dual Channel Addressable Switch 0x12 family support (DS2406)"
+ select CRC16
+ help
+ Say Y or M here if you want to use a 1-wire
+ DS2406 Dual Channel Addressable Switch. EPROM read/write
+ support for these devices is not implemented.
+
config W1_SLAVE_DS2423
tristate "Counter 1-wire device (DS2423)"
select CRC16
diff --git a/drivers/w1/slaves/Makefile b/drivers/w1/slaves/Makefile
index 06529f3157ab..1e9989afe7bf 100644
--- a/drivers/w1/slaves/Makefile
+++ b/drivers/w1/slaves/Makefile
@@ -6,6 +6,7 @@ obj-$(CONFIG_W1_SLAVE_THERM) += w1_therm.o
obj-$(CONFIG_W1_SLAVE_SMEM) += w1_smem.o
obj-$(CONFIG_W1_SLAVE_DS2408) += w1_ds2408.o
obj-$(CONFIG_W1_SLAVE_DS2413) += w1_ds2413.o
+obj-$(CONFIG_W1_SLAVE_DS2406) += w1_ds2406.o
obj-$(CONFIG_W1_SLAVE_DS2423) += w1_ds2423.o
obj-$(CONFIG_W1_SLAVE_DS2431) += w1_ds2431.o
obj-$(CONFIG_W1_SLAVE_DS2433) += w1_ds2433.o
diff --git a/drivers/w1/slaves/w1_ds2406.c b/drivers/w1/slaves/w1_ds2406.c
new file mode 100644
index 000000000000..d488961a8c90
--- /dev/null
+++ b/drivers/w1/slaves/w1_ds2406.c
@@ -0,0 +1,168 @@
+/*
+ * w1_ds2406.c - w1 family 12 (DS2406) driver
+ * based on w1_ds2413.c by Mariusz Bialonczyk <manio@skyboo.net>
+ *
+ * Copyright (c) 2014 Scott Alfter <scott@alfter.us>
+ *
+ * This source code is licensed under the GNU General Public License,
+ * Version 2. See the file COPYING for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/crc16.h>
+
+#include "../w1.h"
+#include "../w1_int.h"
+#include "../w1_family.h"
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Scott Alfter <scott@alfter.us>");
+MODULE_DESCRIPTION("w1 family 12 driver for DS2406 2 Pin IO");
+
+#define W1_F12_FUNC_READ_STATUS 0xAA
+#define W1_F12_FUNC_WRITE_STATUS 0x55
+
+static ssize_t w1_f12_read_state(
+ struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
+{
+ u8 w1_buf[6]={W1_F12_FUNC_READ_STATUS, 7, 0, 0, 0, 0};
+ struct w1_slave *sl = kobj_to_w1_slave(kobj);
+ u16 crc=0;
+ int i;
+ ssize_t rtnval=1;
+
+ if (off != 0)
+ return 0;
+ if (!buf)
+ return -EINVAL;
+
+ mutex_lock(&sl->master->bus_mutex);
+
+ if (w1_reset_select_slave(sl)) {
+ mutex_unlock(&sl->master->bus_mutex);
+ return -EIO;
+ }
+
+ w1_write_block(sl->master, w1_buf, 3);
+ w1_read_block(sl->master, w1_buf+3, 3);
+ for (i=0; i<6; i++)
+ crc=crc16_byte(crc, w1_buf[i]);
+ if (crc==0xb001) /* good read? */
+ *buf=((w1_buf[3]>>5)&3)|0x30;
+ else
+ rtnval=-EIO;
+
+ mutex_unlock(&sl->master->bus_mutex);
+
+ return rtnval;
+}
+
+static ssize_t w1_f12_write_output(
+ struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t off, size_t count)
+{
+ struct w1_slave *sl = kobj_to_w1_slave(kobj);
+ u8 w1_buf[6]={W1_F12_FUNC_WRITE_STATUS, 7, 0, 0, 0, 0};
+ u16 crc=0;
+ int i;
+ ssize_t rtnval=1;
+
+ if (count != 1 || off != 0)
+ return -EFAULT;
+
+ mutex_lock(&sl->master->bus_mutex);
+
+ if (w1_reset_select_slave(sl)) {
+ mutex_unlock(&sl->master->bus_mutex);
+ return -EIO;
+ }
+
+ w1_buf[3] = (((*buf)&3)<<5)|0x1F;
+ w1_write_block(sl->master, w1_buf, 4);
+ w1_read_block(sl->master, w1_buf+4, 2);
+ for (i=0; i<6; i++)
+ crc=crc16_byte(crc, w1_buf[i]);
+ if (crc==0xb001) /* good read? */
+ w1_write_8(sl->master, 0xFF);
+ else
+ rtnval=-EIO;
+
+ mutex_unlock(&sl->master->bus_mutex);
+ return rtnval;
+}
+
+#define NB_SYSFS_BIN_FILES 2
+static struct bin_attribute w1_f12_sysfs_bin_files[NB_SYSFS_BIN_FILES] = {
+ {
+ .attr = {
+ .name = "state",
+ .mode = S_IRUGO,
+ },
+ .size = 1,
+ .read = w1_f12_read_state,
+ },
+ {
+ .attr = {
+ .name = "output",
+ .mode = S_IRUGO | S_IWUSR | S_IWGRP,
+ },
+ .size = 1,
+ .write = w1_f12_write_output,
+ }
+};
+
+static int w1_f12_add_slave(struct w1_slave *sl)
+{
+ int err = 0;
+ int i;
+
+ for (i = 0; i < NB_SYSFS_BIN_FILES && !err; ++i)
+ err = sysfs_create_bin_file(
+ &sl->dev.kobj,
+ &(w1_f12_sysfs_bin_files[i]));
+ if (err)
+ while (--i >= 0)
+ sysfs_remove_bin_file(&sl->dev.kobj,
+ &(w1_f12_sysfs_bin_files[i]));
+ return err;
+}
+
+static void w1_f12_remove_slave(struct w1_slave *sl)
+{
+ int i;
+ for (i = NB_SYSFS_BIN_FILES - 1; i >= 0; --i)
+ sysfs_remove_bin_file(&sl->dev.kobj,
+ &(w1_f12_sysfs_bin_files[i]));
+}
+
+static struct w1_family_ops w1_f12_fops = {
+ .add_slave = w1_f12_add_slave,
+ .remove_slave = w1_f12_remove_slave,
+};
+
+static struct w1_family w1_family_12 = {
+ .fid = W1_FAMILY_DS2406,
+ .fops = &w1_f12_fops,
+};
+
+static int __init w1_f12_init(void)
+{
+ return w1_register_family(&w1_family_12);
+}
+
+static void __exit w1_f12_exit(void)
+{
+ w1_unregister_family(&w1_family_12);
+}
+
+module_init(w1_f12_init);
+module_exit(w1_f12_exit);
diff --git a/drivers/w1/slaves/w1_ds2760.c b/drivers/w1/slaves/w1_ds2760.c
index 65f90dccd60e..d9079d48d112 100644
--- a/drivers/w1/slaves/w1_ds2760.c
+++ b/drivers/w1/slaves/w1_ds2760.c
@@ -181,8 +181,7 @@ static struct w1_family w1_ds2760_family = {
static int __init w1_ds2760_init(void)
{
- printk(KERN_INFO "1-Wire driver for the DS2760 battery monitor "
- " chip - (c) 2004-2005, Szabolcs Gyurko\n");
+ pr_info("1-Wire driver for the DS2760 battery monitor chip - (c) 2004-2005, Szabolcs Gyurko\n");
ida_init(&bat_ida);
return w1_register_family(&w1_ds2760_family);
}
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 5d7341520544..592f7edc671e 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -1162,28 +1162,26 @@ static int __init w1_init(void)
{
int retval;
- printk(KERN_INFO "Driver for 1-wire Dallas network protocol.\n");
+ pr_info("Driver for 1-wire Dallas network protocol.\n");
w1_init_netlink();
retval = bus_register(&w1_bus_type);
if (retval) {
- printk(KERN_ERR "Failed to register bus. err=%d.\n", retval);
+ pr_err("Failed to register bus. err=%d.\n", retval);
goto err_out_exit_init;
}
retval = driver_register(&w1_master_driver);
if (retval) {
- printk(KERN_ERR
- "Failed to register master driver. err=%d.\n",
+ pr_err("Failed to register master driver. err=%d.\n",
retval);
goto err_out_bus_unregister;
}
retval = driver_register(&w1_slave_driver);
if (retval) {
- printk(KERN_ERR
- "Failed to register slave driver. err=%d.\n",
+ pr_err("Failed to register slave driver. err=%d.\n",
retval);
goto err_out_master_unregister;
}
diff --git a/drivers/w1/w1_family.c b/drivers/w1/w1_family.c
index 3651ec801f45..1dc3051f7d76 100644
--- a/drivers/w1/w1_family.c
+++ b/drivers/w1/w1_family.c
@@ -87,7 +87,7 @@ void w1_unregister_family(struct w1_family *fent)
w1_reconnect_slaves(fent, 0);
while (atomic_read(&fent->refcnt)) {
- printk(KERN_INFO "Waiting for family %u to become free: refcnt=%d.\n",
+ pr_info("Waiting for family %u to become free: refcnt=%d.\n",
fent->fid, atomic_read(&fent->refcnt));
if (msleep_interruptible(1000))
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
index 26ca1343055b..0d18365b61ad 100644
--- a/drivers/w1/w1_family.h
+++ b/drivers/w1/w1_family.h
@@ -40,6 +40,7 @@
#define W1_FAMILY_DS2760 0x30
#define W1_FAMILY_DS2780 0x32
#define W1_FAMILY_DS2413 0x3A
+#define W1_FAMILY_DS2406 0x12
#define W1_THERM_DS1825 0x3B
#define W1_FAMILY_DS2781 0x3D
#define W1_THERM_DS28EA00 0x42
diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c
index 728039d2efe1..47249a30eae3 100644
--- a/drivers/w1/w1_int.c
+++ b/drivers/w1/w1_int.c
@@ -38,7 +38,7 @@ module_param_named(search_count, w1_search_count, int, 0);
static int w1_enable_pullup = 1;
module_param_named(enable_pullup, w1_enable_pullup, int, 0);
-static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
+static struct w1_master *w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
struct device_driver *driver,
struct device *device)
{
@@ -50,8 +50,7 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
*/
dev = kzalloc(sizeof(struct w1_master) + sizeof(struct w1_bus_master), GFP_KERNEL);
if (!dev) {
- printk(KERN_ERR
- "Failed to allocate %zd bytes for new w1 device.\n",
+ pr_err("Failed to allocate %zd bytes for new w1 device.\n",
sizeof(struct w1_master));
return NULL;
}
@@ -91,7 +90,7 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
err = device_register(&dev->dev);
if (err) {
- printk(KERN_ERR "Failed to register master device. err=%d\n", err);
+ pr_err("Failed to register master device. err=%d\n", err);
memset(dev, 0, sizeof(struct w1_master));
kfree(dev);
dev = NULL;
@@ -116,13 +115,13 @@ int w1_add_master_device(struct w1_bus_master *master)
struct w1_netlink_msg msg;
int id, found;
- /* validate minimum functionality */
- if (!(master->touch_bit && master->reset_bus) &&
- !(master->write_bit && master->read_bit) &&
+ /* validate minimum functionality */
+ if (!(master->touch_bit && master->reset_bus) &&
+ !(master->write_bit && master->read_bit) &&
!(master->write_byte && master->read_byte && master->reset_bus)) {
- printk(KERN_ERR "w1_add_master_device: invalid function set\n");
+ pr_err("w1_add_master_device: invalid function set\n");
return(-EINVAL);
- }
+ }
/* Lock until the device is added (or not) to w1_masters. */
mutex_lock(&w1_mlock);
@@ -254,7 +253,7 @@ void w1_remove_master_device(struct w1_bus_master *bm)
}
if (!found) {
- printk(KERN_ERR "Device doesn't exist.\n");
+ pr_err("Device doesn't exist.\n");
return;
}
diff --git a/drivers/w1/w1_log.h b/drivers/w1/w1_log.h
index 9c7bd62e6bdc..f9eecff23b8d 100644
--- a/drivers/w1/w1_log.h
+++ b/drivers/w1/w1_log.h
@@ -29,8 +29,8 @@
#else
# define assert(expr) \
if(unlikely(!(expr))) { \
- printk(KERN_ERR "Assertion failed! %s,%s,%s,line=%d\n", \
- #expr, __FILE__, __func__, __LINE__); \
+ pr_err("Assertion failed! %s,%s,%s,line=%d\n", \
+ #expr, __FILE__, __func__, __LINE__); \
}
#endif
diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
index 351a2978ba72..dd9656237274 100644
--- a/drivers/w1/w1_netlink.c
+++ b/drivers/w1/w1_netlink.c
@@ -680,8 +680,7 @@ static void w1_cn_callback(struct cn_msg *cn, struct netlink_skb_parms *nsp)
if (sl)
dev = sl->master;
} else {
- printk(KERN_NOTICE
- "%s: cn: %x.%x, wrong type: %u, len: %u.\n",
+ pr_notice("%s: cn: %x.%x, wrong type: %u, len: %u.\n",
__func__, cn->id.idx, cn->id.val,
msg->type, msg->len);
err = -EPROTO;
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