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Subject[PATCH] power_supply: wm97xx_battery: Use DEFINE_MUTEX() for work_lock
From
Date
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>
---
drivers/power/wm97xx_battery.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/power/wm97xx_battery.c b/drivers/power/wm97xx_battery.c
index cf8681c..eaa454b 100644
--- a/drivers/power/wm97xx_battery.c
+++ b/drivers/power/wm97xx_battery.c
@@ -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;
--
1.7.5.4




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