[PATCH] hwmon: Semaphore to mutex conversions
convert drivers/hwmon/*.c semaphore use to mutexes.
the conversion was generated via scripts, and the result was validated
automatically via a script as well.
all affected hwmon drivers were build-tested.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c
index 2e86e18..6865c64 100644
--- 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 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 @@
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 @@
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 @@
data->valid = 1;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
#ifdef DEBUG
w83792d_print_debug(data, dev);