1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c
index 2e86e188b27a..6865c64d8a51 100644
--- a/drivers/hwmon/w83792d.c
+++ b/drivers/hwmon/w83792d.c
@@ -43,6 +43,7 @@
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
+#include <linux/mutex.h>
 
 /* Addresses to scan */
 static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
@@ -271,7 +272,7 @@ struct w83792d_data {
         struct class_device *class_dev;
         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 */
 
@@ -1222,7 +1223,7 @@ w83792d_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(client)))
@@ -1373,7 +1374,7 @@ static struct w83792d_data *w83792d_update_device(struct device *dev)
         int i, j;
         u8 reg_array_tmp[4], pwm_array_tmp[7], reg_tmp;
 
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
 
         if (time_after
             (jiffies - data->last_updated, (unsigned long) (HZ * 3))
@@ -1484,7 +1485,7 @@ static struct w83792d_data *w83792d_update_device(struct device *dev)
                 data->valid = 1;
         }
 
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
 
 #ifdef DEBUG
         w83792d_print_debug(data, dev);