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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-24 00:51:32 +0100 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-24 00:51:32 +0100 |
commit | b6585dedac232ca79fe978d97a95fdaa6da24f66 (patch) | |
tree | 4d2d78300bb9bcfb40cb35450f78dd3af82c78d3 /drivers/hwmon/lm75.c | |
parent | Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6 (diff) | |
parent | [PATCH] hwmon: add required idr locking (diff) | |
download | linux-b6585dedac232ca79fe978d97a95fdaa6da24f66.tar.xz linux-b6585dedac232ca79fe978d97a95fdaa6da24f66.zip |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/i2c-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/i2c-2.6: (36 commits)
[PATCH] hwmon: add required idr locking
[PATCH] I2C: hwmon: Rename register parameters
[PATCH] I2C: Drop unneeded i2c-dev.h includes
[PATCH] I2C: i2c-ixp4xx: Add hwmon class
[PATCH] I2C: i2c-piix4: Add Broadcom HT-1000 support
[PATCH] I2C: i2c-amd756-s4882: Improve static mutex initialization
[PATCH] I2C: i2c-ali1535: Drop redundant mutex
[PATCH] i2c: Cleanup isp1301_omap
[PATCH] i2c: Fix i2c-ite name initialization
[PATCH] i2c: Drop the i2c-frodo bus driver
[PATCH] i2c: Optimize core_lists mutex usage
[PATCH] w83781d: Don't reset the chip by default
[PATCH] w83781d: Document the alarm and beep bits
[PATCH] w83627ehf: Refactor the sysfs interface
[PATCH] hwmon: Support the Pentium M VID code
[PATCH] hwmon: Add support for the Winbond W83687THF
[PATCH] hwmon: f71805f semaphore to mutex conversions
[PATCH] hwmon: Semaphore to mutex conversions
[PATCH] i2c: Semaphore to mutex conversions, part 3
[PATCH] i2c: Semaphore to mutex conversions, part 2
...
Diffstat (limited to 'drivers/hwmon/lm75.c')
-rw-r--r-- | drivers/hwmon/lm75.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 74ca2c8c61c3..fc25b90ec24a 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -25,6 +25,7 @@ #include <linux/i2c.h> #include <linux/hwmon.h> #include <linux/err.h> +#include <linux/mutex.h> #include "lm75.h" @@ -47,7 +48,7 @@ I2C_CLIENT_INSMOD_1(lm75); struct lm75_data { struct i2c_client client; struct class_device *class_dev; - struct semaphore update_lock; + struct mutex update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ u16 temp_input; /* Register values */ @@ -91,10 +92,10 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co struct lm75_data *data = i2c_get_clientdata(client); \ int temp = simple_strtoul(buf, NULL, 10); \ \ - down(&data->update_lock); \ + mutex_lock(&data->update_lock); \ data->value = LM75_TEMP_TO_REG(temp); \ lm75_write_value(client, reg, data->value); \ - up(&data->update_lock); \ + mutex_unlock(&data->update_lock); \ return count; \ } set(temp_max, LM75_REG_TEMP_OS); @@ -188,7 +189,7 @@ static int lm75_detect(struct i2c_adapter *adapter, int address, int kind) /* Fill in the remaining client fields and put it into the global list */ strlcpy(new_client->name, name, I2C_NAME_SIZE); data->valid = 0; - init_MUTEX(&data->update_lock); + mutex_init(&data->update_lock); /* Tell the I2C layer a new client has arrived */ if ((err = i2c_attach_client(new_client))) @@ -264,7 +265,7 @@ static struct lm75_data *lm75_update_device(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct lm75_data *data = i2c_get_clientdata(client); - down(&data->update_lock); + mutex_lock(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || !data->valid) { @@ -277,7 +278,7 @@ static struct lm75_data *lm75_update_device(struct device *dev) data->valid = 1; } - up(&data->update_lock); + mutex_unlock(&data->update_lock); return data; } |