wm97xx_battery: Use DEFINE_MUTEX() for work_lock

work_lock can be initialized automatically with
DEFINE_MUTEX() rather than explicitly calling mutex_init().

This patch also removes an unused bat_lock mutex.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
This commit is contained in:
Axel Lin 2011-11-28 22:37:35 +08:00 committed by Anton Vorontsov
parent 68597986f7
commit daf22c3c44
1 changed files with 1 additions and 4 deletions

View File

@ -25,9 +25,8 @@
#include <linux/irq.h>
#include <linux/slab.h>
static DEFINE_MUTEX(bat_lock);
static struct work_struct bat_work;
static struct mutex work_lock;
static DEFINE_MUTEX(work_lock);
static int bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
static enum power_supply_property *prop;
@ -181,8 +180,6 @@ static int __devinit wm97xx_bat_probe(struct platform_device *dev)
if (dev->id != -1)
return -EINVAL;
mutex_init(&work_lock);
if (!pdata) {
dev_err(&dev->dev, "No platform_data supplied\n");
return -EINVAL;