Refresh patches for 2.6.37.1

SVN-Revision: 25644
v19.07.3_mercusys_ac12_duma
Lars-Peter Clausen 14 years ago
parent 5728d13d02
commit 3ba2dbeb1d

@ -1,33 +1,6 @@
--- a/drivers/power/jz4740-battery.c
+++ b/drivers/power/jz4740-battery.c
@@ -47,6 +47,8 @@ struct jz_battery {
struct power_supply battery;
struct delayed_work work;
+
+ struct mutex lock;
};
static inline struct jz_battery *psy_to_jz_battery(struct power_supply *psy)
@@ -68,6 +70,8 @@ static long jz_battery_read_voltage(stru
unsigned long val;
long voltage;
+ mutex_lock(&battery->lock);
+
INIT_COMPLETION(battery->read_completion);
enable_irq(battery->irq);
@@ -91,6 +95,8 @@ static long jz_battery_read_voltage(stru
battery->cell->disable(battery->pdev);
disable_irq(battery->irq);
+ mutex_unlock(&battery->lock);
+
return voltage;
}
@@ -240,6 +246,11 @@ static int __devinit jz_battery_probe(st
@@ -246,6 +246,11 @@ static int __devinit jz_battery_probe(st
struct jz_battery *jz_battery;
struct power_supply *battery;
@ -39,11 +12,3 @@
jz_battery = kzalloc(sizeof(*jz_battery), GFP_KERNEL);
if (!jz_battery) {
dev_err(&pdev->dev, "Failed to allocate driver structure\n");
@@ -291,6 +302,7 @@ static int __devinit jz_battery_probe(st
jz_battery->pdev = pdev;
init_completion(&jz_battery->read_completion);
+ mutex_init(&jz_battery->lock);
INIT_DELAYED_WORK(&jz_battery->work, jz_battery_work);

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