[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, 7 insertions, 6 deletions

diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c
index 26dfa9e..aac4ec2 100644
--- a/drivers/hwmon/lm83.c
+++ b/drivers/hwmon/lm83.c
@@ -35,6 +35,7 @@
 #include <linux/hwmon-sysfs.h>
 #include <linux/hwmon.h>
 #include <linux/err.h>
+#include <linux/mutex.h>
 
 /*
  * Addresses to scan
@@ -139,7 +140,7 @@ static struct i2c_driver lm83_driver = {
 struct lm83_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 */
 
@@ -171,11 +172,11 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,
 	long val = simple_strtol(buf, NULL, 10);
 	int nr = attr->index;
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->temp[nr] = TEMP_TO_REG(val);
 	i2c_smbus_write_byte_data(client, LM83_REG_W_HIGH[nr - 4],
 				  data->temp[nr]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 
@@ -300,7 +301,7 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
 	/* We can fill in the remaining client fields */
 	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)))
@@ -373,7 +374,7 @@ static struct lm83_data *lm83_update_device(struct device *dev)
 	struct i2c_client *client = to_i2c_client(dev);
 	struct lm83_data *data = i2c_get_clientdata(client);
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 
 	if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
 		int nr;
@@ -393,7 +394,7 @@ static struct lm83_data *lm83_update_device(struct device *dev)
 		data->valid = 1;
 	}
 
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 
 	return data;
 }