X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fhwmon%2Fw83l785ts.c;fp=drivers%2Fhwmon%2Fw83l785ts.c;h=f66c0cfdeda7dbbdb0e0264c0a34739b9182597b;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=3f2bac125fb19b8a346c19fde04d6ceded5704e9;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c index 3f2bac125..f66c0cfde 100644 --- a/drivers/hwmon/w83l785ts.c +++ b/drivers/hwmon/w83l785ts.c @@ -39,7 +39,6 @@ #include #include #include -#include /* How many retries on register read error */ #define MAX_RETRIES 5 @@ -108,7 +107,7 @@ static struct i2c_driver w83l785ts_driver = { struct w83l785ts_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 */ @@ -222,7 +221,7 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind) /* We can fill in the remaining client fields. */ strlcpy(new_client->name, "w83l785ts", I2C_NAME_SIZE); data->valid = 0; - mutex_init(&data->update_lock); + init_MUTEX(&data->update_lock); /* Default values in case the first read fails (unlikely). */ data->temp[1] = data->temp[0] = 0; @@ -300,7 +299,7 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct w83l785ts_data *data = i2c_get_clientdata(client); - mutex_lock(&data->update_lock); + down(&data->update_lock); if (!data->valid || time_after(jiffies, data->last_updated + HZ * 2)) { dev_dbg(&client->dev, "Updating w83l785ts data.\n"); @@ -313,7 +312,7 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev) data->valid = 1; } - mutex_unlock(&data->update_lock); + up(&data->update_lock); return data; }