[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/fscpos.c b/drivers/hwmon/fscpos.c
index 6d0146b57020..758978e1bfe0 100644
--- a/drivers/hwmon/fscpos.c
+++ b/drivers/hwmon/fscpos.c
@@ -37,6 +37,7 @@
 #include <linux/init.h>
 #include <linux/hwmon.h>
 #include <linux/err.h>
+#include <linux/mutex.h>
 
 /*
  * Addresses to scan
@@ -114,7 +115,7 @@ static struct i2c_driver fscpos_driver = {
 struct fscpos_data {
         struct i2c_client client;
         struct class_device *class_dev;
-        struct semaphore update_lock;
+        struct mutex update_lock;
         char valid;             /* 0 until following fields are valid */
         unsigned long last_updated;     /* In jiffies */
 
@@ -208,13 +209,13 @@ static ssize_t set_fan_ripple(struct i2c_client *client, struct fscpos_data
                 return -EINVAL;
         }
         
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
         /* bits 2..7 reserved => mask with 0x03 */
         data->fan_ripple[nr - 1] &= ~0x03;
         data->fan_ripple[nr - 1] |= v;
         
         fscpos_write_value(client, reg, data->fan_ripple[nr - 1]);
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return count;
 }
 
@@ -232,10 +233,10 @@ static ssize_t set_pwm(struct i2c_client *client, struct fscpos_data *data,
         if (v < 0) v = 0;
         if (v > 255) v = 255;
 
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
         data->pwm[nr - 1] = v;
         fscpos_write_value(client, reg, data->pwm[nr - 1]);
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return count;
 }
 
@@ -278,11 +279,11 @@ static ssize_t set_wdog_control(struct i2c_client *client, struct fscpos_data
         /* bits 0..3 reserved => mask with 0xf0 */
         unsigned long v = simple_strtoul(buf, NULL, 10) & 0xf0;
 
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
         data->wdog_control &= ~0xf0;
         data->wdog_control |= v;
         fscpos_write_value(client, reg, data->wdog_control);
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return count;
 }
 
@@ -304,10 +305,10 @@ static ssize_t set_wdog_state(struct i2c_client *client, struct fscpos_data
                 return -EINVAL;
         }
 
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
         data->wdog_state &= ~v;
         fscpos_write_value(client, reg, v);
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return count;
 }
 
@@ -321,10 +322,10 @@ static ssize_t set_wdog_preset(struct i2c_client *client, struct fscpos_data
 {
         unsigned long v = simple_strtoul(buf, NULL, 10) & 0xff;
 
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
         data->wdog_preset = v;
         fscpos_write_value(client, reg, data->wdog_preset);
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return count;
 }
 
@@ -483,7 +484,7 @@ static int fscpos_detect(struct i2c_adapter *adapter, int address, int kind)
         strlcpy(new_client->name, "fscpos", 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)))
@@ -579,7 +580,7 @@ static struct fscpos_data *fscpos_update_device(struct device *dev)
         struct i2c_client *client = to_i2c_client(dev);
         struct fscpos_data *data = i2c_get_clientdata(client);
 
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
 
         if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
                 int i;
@@ -625,7 +626,7 @@ static struct fscpos_data *fscpos_update_device(struct device *dev)
                 data->last_updated = jiffies;
                 data->valid = 1;
         }
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
         return data;
 }