[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, 15 insertions, 14 deletions

diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c
index 5ddc22fea4a3..43f6991b588c 100644
--- a/drivers/hwmon/adm9240.c
+++ b/drivers/hwmon/adm9240.c
@@ -49,6 +49,7 @@
 #include <linux/hwmon.h>
 #include <linux/hwmon-vid.h>
 #include <linux/err.h>
+#include <linux/mutex.h>
 
 /* Addresses to scan */
 static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
@@ -150,7 +151,7 @@ struct adm9240_data {
         enum chips type;
         struct i2c_client client;
         struct class_device *class_dev;
-        struct semaphore update_lock;
+        struct mutex update_lock;
         char valid;
         unsigned long last_updated_measure;
         unsigned long last_updated_config;
@@ -195,11 +196,11 @@ static ssize_t set_max(struct device *dev, struct device_attribute *devattr,
         struct adm9240_data *data = i2c_get_clientdata(client);
         long val = simple_strtol(buf, NULL, 10);
 
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
         data->temp_max[attr->index] = TEMP_TO_REG(val);
         i2c_smbus_write_byte_data(client, ADM9240_REG_TEMP_MAX(attr->index),
                         data->temp_max[attr->index]);
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return count;
 }
 
@@ -246,11 +247,11 @@ static ssize_t set_in_min(struct device *dev,
         struct adm9240_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[attr->index] = IN_TO_REG(val, attr->index);
         i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MIN(attr->index),
                         data->in_min[attr->index]);
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return count;
 }
 
@@ -263,11 +264,11 @@ static ssize_t set_in_max(struct device *dev,
         struct adm9240_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[attr->index] = IN_TO_REG(val, attr->index);
         i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MAX(attr->index),
                         data->in_max[attr->index]);
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return count;
 }
 
@@ -350,7 +351,7 @@ static ssize_t set_fan_min(struct device *dev,
         int nr = attr->index;
         u8 new_div;
 
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
 
         if (!val) {
                 data->fan_min[nr] = 255;
@@ -390,7 +391,7 @@ static ssize_t set_fan_min(struct device *dev,
         i2c_smbus_write_byte_data(client, ADM9240_REG_FAN_MIN(nr),
                         data->fan_min[nr]);
 
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return count;
 }
 
@@ -439,10 +440,10 @@ static ssize_t set_aout(struct device *dev,
         struct adm9240_data *data = i2c_get_clientdata(client);
         unsigned long val = simple_strtol(buf, NULL, 10);
 
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
         data->aout = AOUT_TO_REG(val);
         i2c_smbus_write_byte_data(client, ADM9240_REG_ANALOG_OUT, data->aout);
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return count;
 }
 static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout);
@@ -539,7 +540,7 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
         /* fill in the remaining client fields and attach */
         strlcpy(new_client->name, name, I2C_NAME_SIZE);
         data->type = kind;
-        init_MUTEX(&data->update_lock);
+        mutex_init(&data->update_lock);
 
         if ((err = i2c_attach_client(new_client)))
                 goto exit_free;
@@ -691,7 +692,7 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
         struct adm9240_data *data = i2c_get_clientdata(client);
         int i;
 
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
 
         /* minimum measurement cycle: 1.75 seconds */
         if (time_after(jiffies, data->last_updated_measure + (HZ * 7 / 4))
@@ -771,7 +772,7 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
                 data->last_updated_config = jiffies;
                 data->valid = 1;
         }
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return data;
 }