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path: root/drivers/power/wm97xx_battery.c
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Diffstat (limited to 'drivers/power/wm97xx_battery.c')
-rw-r--r--drivers/power/wm97xx_battery.c20
1 files changed, 3 insertions, 17 deletions
diff --git a/drivers/power/wm97xx_battery.c b/drivers/power/wm97xx_battery.c
index 156559e56fa..d2d4c08c681 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;
@@ -196,7 +193,7 @@ static int __devinit wm97xx_bat_probe(struct platform_device *dev)
if (ret)
goto err2;
ret = request_irq(gpio_to_irq(pdata->charge_gpio),
- wm97xx_chrg_irq, IRQF_DISABLED,
+ wm97xx_chrg_irq, 0,
"AC Detect", dev);
if (ret)
goto err2;
@@ -291,18 +288,7 @@ static struct platform_driver wm97xx_bat_driver = {
.remove = __devexit_p(wm97xx_bat_remove),
};
-static int __init wm97xx_bat_init(void)
-{
- return platform_driver_register(&wm97xx_bat_driver);
-}
-
-static void __exit wm97xx_bat_exit(void)
-{
- platform_driver_unregister(&wm97xx_bat_driver);
-}
-
-module_init(wm97xx_bat_init);
-module_exit(wm97xx_bat_exit);
+module_platform_driver(wm97xx_bat_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");