[PATCH] hwmon: Semaphore to mutex conversions

convert drivers/hwmon/*.c semaphore use to mutexes.

the conversion was generated via scripts, and the result was validated
automatically via a script as well.

all affected hwmon drivers were build-tested.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c
index f66c0cf..3f2bac1 100644
--- a/drivers/hwmon/w83l785ts.c
+++ b/drivers/hwmon/w83l785ts.c
@@ -39,6 +39,7 @@
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
+#include <linux/mutex.h>
 
 /* How many retries on register read error */
 #define MAX_RETRIES	5
@@ -107,7 +108,7 @@ static struct i2c_driver w83l785ts_driver = {
 struct w83l785ts_data {
 	struct i2c_client client;
 	struct class_device *class_dev;
-	struct semaphore update_lock;
+	struct mutex update_lock;
 	char valid; /* zero until following fields are valid */
 	unsigned long last_updated; /* in jiffies */
 
@@ -221,7 +222,7 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
 	/* We can fill in the remaining client fields. */
 	strlcpy(new_client->name, "w83l785ts", I2C_NAME_SIZE);
 	data->valid = 0;
-	init_MUTEX(&data->update_lock);
+	mutex_init(&data->update_lock);
 
 	/* Default values in case the first read fails (unlikely). */
 	data->temp[1] = data->temp[0] = 0;
@@ -299,7 +300,7 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
 	struct i2c_client *client = to_i2c_client(dev);
 	struct w83l785ts_data *data = i2c_get_clientdata(client);
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 
 	if (!data->valid || time_after(jiffies, data->last_updated + HZ * 2)) {
 		dev_dbg(&client->dev, "Updating w83l785ts data.\n");
@@ -312,7 +313,7 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
 		data->valid = 1;
 	}
 
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 
 	return data;
 }