projects
/
linux-2.6-block.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
i2c-isa: Restore driver owner
[linux-2.6-block.git]
/
drivers
/
hwmon
/
w83l785ts.c
diff --git
a/drivers/hwmon/w83l785ts.c
b/drivers/hwmon/w83l785ts.c
index f66c0cfdeda7dbbdb0e0264c0a34739b9182597b..3f2bac125fb19b8a346c19fde04d6ceded5704e9 100644
(file)
--- a/
drivers/hwmon/w83l785ts.c
+++ b/
drivers/hwmon/w83l785ts.c
@@
-39,6
+39,7
@@
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
+#include <linux/mutex.h>
/* How many retries on register read error */
#define MAX_RETRIES 5
/* How many retries on register read error */
#define MAX_RETRIES 5
@@
-107,7
+108,7
@@
static struct i2c_driver w83l785ts_driver = {
struct w83l785ts_data {
struct i2c_client client;
struct class_device *class_dev;
struct w83l785ts_data {
struct i2c_client client;
struct class_device *class_dev;
- struct
semaphore
update_lock;
+ struct
mutex
update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
@@
-221,7
+222,7
@@
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;
/* We can fill in the remaining client fields. */
strlcpy(new_client->name, "w83l785ts", I2C_NAME_SIZE);
data->valid = 0;
-
init_MUTEX
(&data->update_lock);
+
mutex_init
(&data->update_lock);
/* Default values in case the first read fails (unlikely). */
data->temp[1] = data->temp[0] = 0;
/* Default values in case the first read fails (unlikely). */
data->temp[1] = data->temp[0] = 0;
@@
-299,7
+300,7
@@
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);
struct i2c_client *client = to_i2c_client(dev);
struct w83l785ts_data *data = i2c_get_clientdata(client);
-
down
(&data->update_lock);
+
mutex_lock
(&data->update_lock);
if (!data->valid || time_after(jiffies, data->last_updated + HZ * 2)) {
dev_dbg(&client->dev, "Updating w83l785ts data.\n");
if (!data->valid || time_after(jiffies, data->last_updated + HZ * 2)) {
dev_dbg(&client->dev, "Updating w83l785ts data.\n");
@@
-312,7
+313,7
@@
static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
data->valid = 1;
}
data->valid = 1;
}
-
up
(&data->update_lock);
+
mutex_unlock
(&data->update_lock);
return data;
}
return data;
}