[PATCH] hwmon: Semaphore to mutex conversions

[safe/jmp/linux-2.6] / drivers / hwmon / w83792d.c

diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c
index 2e86e18..6865c64 100644 (file)
--- 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);