[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, 24 insertions, 23 deletions

diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index e404001e20da..36d1192ebe2a 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -27,6 +27,7 @@
 #include <linux/hwmon.h>
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
+#include <linux/mutex.h>
 #include <asm/io.h>
 
 /* Addresses to scan */
@@ -131,10 +132,10 @@ static inline int TEMP_FROM_REG(s8 val)
 struct lm78_data {
 	struct i2c_client client;
 	struct class_device *class_dev;
-	struct semaphore lock;
+	struct mutex lock;
 	enum chips type;
 
-	struct semaphore update_lock;
+	struct mutex update_lock;
 	char valid;		/* !=0 if following fields are valid */
 	unsigned long last_updated;	/* In jiffies */
 
@@ -207,10 +208,10 @@ static ssize_t set_in_min(struct device *dev, const char *buf,
 	struct lm78_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);
 	lm78_write_value(client, LM78_REG_IN_MIN(nr), data->in_min[nr]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 
@@ -221,10 +222,10 @@ static ssize_t set_in_max(struct device *dev, const char *buf,
 	struct lm78_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);
 	lm78_write_value(client, LM78_REG_IN_MAX(nr), data->in_max[nr]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 	
@@ -288,10 +289,10 @@ static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr,
 	struct lm78_data *data = i2c_get_clientdata(client);
 	long val = simple_strtol(buf, NULL, 10);
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->temp_over = TEMP_TO_REG(val);
 	lm78_write_value(client, LM78_REG_TEMP_OVER, data->temp_over);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 
@@ -307,10 +308,10 @@ static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr,
 	struct lm78_data *data = i2c_get_clientdata(client);
 	long val = simple_strtol(buf, NULL, 10);
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->temp_hyst = TEMP_TO_REG(val);
 	lm78_write_value(client, LM78_REG_TEMP_HYST, data->temp_hyst);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 
@@ -342,10 +343,10 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
 	struct lm78_data *data = i2c_get_clientdata(client);
 	unsigned long val = simple_strtoul(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]));
 	lm78_write_value(client, LM78_REG_FAN_MIN(nr), data->fan_min[nr]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 
@@ -368,7 +369,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
 	unsigned long min;
 	u8 reg;
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	min = FAN_FROM_REG(data->fan_min[nr],
 			   DIV_FROM_REG(data->fan_div[nr]));
 
@@ -380,7 +381,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
 	default:
 		dev_err(&client->dev, "fan_div value %ld not "
 			"supported. Choose one of 1, 2, 4 or 8!\n", val);
-		up(&data->update_lock);
+		mutex_unlock(&data->update_lock);
 		return -EINVAL;
 	}
 
@@ -398,7 +399,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
 	data->fan_min[nr] =
 		FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
 	lm78_write_value(client, LM78_REG_FAN_MIN(nr), data->fan_min[nr]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 
 	return count;
 }
@@ -548,7 +549,7 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 
 	new_client = &data->client;
 	if (is_isa)
-		init_MUTEX(&data->lock);
+		mutex_init(&data->lock);
 	i2c_set_clientdata(new_client, data);
 	new_client->addr = address;
 	new_client->adapter = adapter;
@@ -598,7 +599,7 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 	data->type = kind;
 
 	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)))
@@ -697,10 +698,10 @@ static int lm78_read_value(struct i2c_client *client, u8 reg)
 	int res;
 	if (i2c_is_isa_client(client)) {
 		struct lm78_data *data = i2c_get_clientdata(client);
-		down(&data->lock);
+		mutex_lock(&data->lock);
 		outb_p(reg, client->addr + LM78_ADDR_REG_OFFSET);
 		res = inb_p(client->addr + LM78_DATA_REG_OFFSET);
-		up(&data->lock);
+		mutex_unlock(&data->lock);
 		return res;
 	} else
 		return i2c_smbus_read_byte_data(client, reg);
@@ -717,10 +718,10 @@ static int lm78_write_value(struct i2c_client *client, u8 reg, u8 value)
 {
 	if (i2c_is_isa_client(client)) {
 		struct lm78_data *data = i2c_get_clientdata(client);
-		down(&data->lock);
+		mutex_lock(&data->lock);
 		outb_p(reg, client->addr + LM78_ADDR_REG_OFFSET);
 		outb_p(value, client->addr + LM78_DATA_REG_OFFSET);
-		up(&data->lock);
+		mutex_unlock(&data->lock);
 		return 0;
 	} else
 		return i2c_smbus_write_byte_data(client, reg, value);
@@ -742,7 +743,7 @@ static struct lm78_data *lm78_update_device(struct device *dev)
 	struct lm78_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) {
@@ -786,7 +787,7 @@ static struct lm78_data *lm78_update_device(struct device *dev)
 		data->fan_div[2] = 1;
 	}
 
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 
 	return data;
 }