diff options
Diffstat (limited to 'drivers/hwmon/atxp1.c')
| -rw-r--r-- | drivers/hwmon/atxp1.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c index b0c490073c8..728a1e8b919 100644 --- a/drivers/hwmon/atxp1.c +++ b/drivers/hwmon/atxp1.c @@ -26,6 +26,7 @@ #include <linux/hwmon.h> #include <linux/hwmon-vid.h> #include <linux/err.h> +#include <linux/mutex.h> MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("System voltages control via Attansic ATXP1"); @@ -60,7 +61,7 @@ static struct i2c_driver atxp1_driver = { struct atxp1_data { struct i2c_client client; struct class_device *class_dev; - struct semaphore update_lock; + struct mutex update_lock; unsigned long last_updated; u8 valid; struct { @@ -80,7 +81,7 @@ static struct atxp1_data * atxp1_update_device(struct device *dev) client = to_i2c_client(dev); data = i2c_get_clientdata(client); - down(&data->update_lock); + mutex_lock(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { @@ -93,7 +94,7 @@ static struct atxp1_data * atxp1_update_device(struct device *dev) data->valid = 1; } - up(&data->update_lock); + mutex_unlock(&data->update_lock); return(data); } @@ -309,7 +310,7 @@ static int atxp1_detect(struct i2c_adapter *adapter, int address, int kind) data->valid = 0; - init_MUTEX(&data->update_lock); + mutex_init(&data->update_lock); err = i2c_attach_client(new_client); |