X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fhwmon%2Fmax1619.c;h=3abe330b22ce1d8b3d32a15618cf0926c3084c84;hb=987b0145d94eecf292d8b301228356f44611ab7c;hp=b4135b5971f4d67d25404532c75c9472132f4ff2;hpb=f7ed79d23a47594e7834d66a8f14449796d4f3e6;p=linux-2.6.git

diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index b4135b597..3abe330b2 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -33,7 +33,6 @@
 #include <linux/i2c.h>
 #include <linux/hwmon.h>
 #include <linux/err.h>
-#include <linux/mutex.h>
 
 static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a,
 					0x29, 0x2a, 0x2b,
@@ -105,7 +104,7 @@ static struct i2c_driver max1619_driver = {
 struct max1619_data {
 	struct i2c_client client;
 	struct class_device *class_dev;
-	struct mutex update_lock;
+	struct semaphore update_lock;
 	char valid; /* zero until following fields are valid */
 	unsigned long last_updated; /* in jiffies */
 
@@ -142,10 +141,10 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co
 	struct max1619_data *data = i2c_get_clientdata(client); \
 	long val = simple_strtol(buf, NULL, 10); \
  \
-	mutex_lock(&data->update_lock); \
+	down(&data->update_lock); \
 	data->value = TEMP_TO_REG(val); \
 	i2c_smbus_write_byte_data(client, reg, data->value); \
-	mutex_unlock(&data->update_lock); \
+	up(&data->update_lock); \
 	return count; \
 }
 
@@ -263,7 +262,7 @@ static int max1619_detect(struct i2c_adapter *adapter, int address, int kind)
 	/* We can fill in the remaining client fields */
 	strlcpy(new_client->name, name, I2C_NAME_SIZE);
 	data->valid = 0;
-	mutex_init(&data->update_lock);
+	init_MUTEX(&data->update_lock);
 
 	/* Tell the I2C layer a new client has arrived */
 	if ((err = i2c_attach_client(new_client)))
@@ -331,7 +330,7 @@ static struct max1619_data *max1619_update_device(struct device *dev)
 	struct i2c_client *client = to_i2c_client(dev);
 	struct max1619_data *data = i2c_get_clientdata(client);
 
-	mutex_lock(&data->update_lock);
+	down(&data->update_lock);
 
 	if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
 		dev_dbg(&client->dev, "Updating max1619 data.\n");
@@ -354,7 +353,7 @@ static struct max1619_data *max1619_update_device(struct device *dev)
 		data->valid = 1;
 	}
 
-	mutex_unlock(&data->update_lock);
+	up(&data->update_lock);
 
 	return data;
 }