1 files changed, 9 insertions, 8 deletions

diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c
index 8663bbb..b608618 100644
--- a/drivers/hwmon/smsc47b397.c
+++ b/drivers/hwmon/smsc47b397.c
@@ -35,6 +35,7 @@
 #include <linux/hwmon.h>
 #include <linux/err.h>
 #include <linux/init.h>
+#include <linux/mutex.h>
 #include <asm/io.h>
 
 /* Address is autodetected, there is no default value */
@@ -92,9 +93,9 @@ static u8 smsc47b397_reg_temp[] = {0x25, 0x26, 0x27, 0x80};
 struct smsc47b397_data {
 	struct i2c_client client;
 	struct class_device *class_dev;
-	struct semaphore lock;
+	struct mutex lock;
 
-	struct semaphore update_lock;
+	struct mutex update_lock;
 	unsigned long last_updated; /* in jiffies */
 	int valid;
 
@@ -108,10 +109,10 @@ static int smsc47b397_read_value(struct i2c_client *client, u8 reg)
 	struct smsc47b397_data *data = i2c_get_clientdata(client);
 	int res;
 
-	down(&data->lock);
+	mutex_lock(&data->lock);
 	outb(reg, client->addr);
 	res = inb_p(client->addr + 1);
-	up(&data->lock);
+	mutex_unlock(&data->lock);
 	return res;
 }
 
@@ -121,7 +122,7 @@ static struct smsc47b397_data *smsc47b397_update_device(struct device *dev)
 	struct smsc47b397_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) || !data->valid) {
 		dev_dbg(&client->dev, "starting device update...\n");
@@ -144,7 +145,7 @@ static struct smsc47b397_data *smsc47b397_update_device(struct device *dev)
 		dev_dbg(&client->dev, "... device update complete\n");
 	}
 
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 
 	return data;
 }
@@ -254,14 +255,14 @@ static int smsc47b397_detect(struct i2c_adapter *adapter)
 	new_client = &data->client;
 	i2c_set_clientdata(new_client, data);
 	new_client->addr = address;
-	init_MUTEX(&data->lock);
+	mutex_init(&data->lock);
 	new_client->adapter = adapter;
 	new_client->driver = &smsc47b397_driver;
 	new_client->flags = 0;
 
 	strlcpy(new_client->name, "smsc47b397", I2C_NAME_SIZE);
 
-	init_MUTEX(&data->update_lock);
+	mutex_init(&data->update_lock);
 
 	if ((err = i2c_attach_client(new_client)))
 		goto error_free;