[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, 17 insertions, 16 deletions

diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c
index cb01848729b5..166298f1f190 100644
--- a/drivers/hwmon/via686a.c
+++ b/drivers/hwmon/via686a.c
@@ -39,6 +39,7 @@
 #include <linux/hwmon.h>
 #include <linux/err.h>
 #include <linux/init.h>
+#include <linux/mutex.h>
 #include <asm/io.h>
 
 
@@ -296,7 +297,7 @@ static inline long TEMP_FROM_REG10(u16 val)
 struct via686a_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 */
 
@@ -355,11 +356,11 @@ static ssize_t set_in_min(struct device *dev, const char *buf,
 	struct via686a_data *data = i2c_get_clientdata(client);
 	unsigned long val = simple_strtoul(buf, NULL, 10);
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->in_min[nr] = IN_TO_REG(val, nr);
 	via686a_write_value(client, VIA686A_REG_IN_MIN(nr),
 			data->in_min[nr]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 static ssize_t set_in_max(struct device *dev, const char *buf,
@@ -368,11 +369,11 @@ static ssize_t set_in_max(struct device *dev, const char *buf,
 	struct via686a_data *data = i2c_get_clientdata(client);
 	unsigned long val = simple_strtoul(buf, NULL, 10);
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->in_max[nr] = IN_TO_REG(val, nr);
 	via686a_write_value(client, VIA686A_REG_IN_MAX(nr),
 			data->in_max[nr]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 #define show_in_offset(offset)					\
@@ -432,11 +433,11 @@ static ssize_t set_temp_over(struct device *dev, const char *buf,
 	struct via686a_data *data = i2c_get_clientdata(client);
 	int val = simple_strtol(buf, NULL, 10);
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->temp_over[nr] = TEMP_TO_REG(val);
 	via686a_write_value(client, VIA686A_REG_TEMP_OVER[nr],
 			    data->temp_over[nr]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 static ssize_t set_temp_hyst(struct device *dev, const char *buf,
@@ -445,11 +446,11 @@ static ssize_t set_temp_hyst(struct device *dev, const char *buf,
 	struct via686a_data *data = i2c_get_clientdata(client);
 	int val = simple_strtol(buf, NULL, 10);
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->temp_hyst[nr] = TEMP_TO_REG(val);
 	via686a_write_value(client, VIA686A_REG_TEMP_HYST[nr],
 			    data->temp_hyst[nr]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 #define show_temp_offset(offset)					\
@@ -508,10 +509,10 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
 	struct via686a_data *data = i2c_get_clientdata(client);
 	int val = simple_strtol(buf, NULL, 10);
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
 	via686a_write_value(client, VIA686A_REG_FAN_MIN(nr+1), data->fan_min[nr]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 static ssize_t set_fan_div(struct device *dev, const char *buf,
@@ -521,12 +522,12 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
 	int val = simple_strtol(buf, NULL, 10);
 	int old;
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	old = via686a_read_value(client, VIA686A_REG_FANDIV);
 	data->fan_div[nr] = DIV_TO_REG(val);
 	old = (old & 0x0f) | (data->fan_div[1] << 6) | (data->fan_div[0] << 4);
 	via686a_write_value(client, VIA686A_REG_FANDIV, old);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 
@@ -639,7 +640,7 @@ static int via686a_detect(struct i2c_adapter *adapter)
 	strlcpy(new_client->name, client_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)))
 		goto exit_free;
@@ -733,7 +734,7 @@ static struct via686a_data *via686a_update_device(struct device *dev)
 	struct via686a_data *data = i2c_get_clientdata(client);
 	int i;
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 
 	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
 	    || !data->valid) {
@@ -788,7 +789,7 @@ static struct via686a_data *via686a_update_device(struct device *dev)
 		data->valid = 1;
 	}
 
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 
 	return data;
 }