diff options
Diffstat (limited to 'target/linux/xburst/patches-2.6.36/300-battery-fixes.patch')
-rw-r--r-- | target/linux/xburst/patches-2.6.36/300-battery-fixes.patch | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/target/linux/xburst/patches-2.6.36/300-battery-fixes.patch b/target/linux/xburst/patches-2.6.36/300-battery-fixes.patch deleted file mode 100644 index 1aadb6acb2..0000000000 --- a/target/linux/xburst/patches-2.6.36/300-battery-fixes.patch +++ /dev/null @@ -1,64 +0,0 @@ -From 2d435d52c63e4dd544938bad638ecd518cc04d1c Mon Sep 17 00:00:00 2001 -From: Lars-Peter Clausen <lars@metafoo.de> -Date: Tue, 26 Oct 2010 20:13:40 +0200 -Subject: [PATCH] POWER: jz4740-battery: Protect against concurrent battery readings - -We can not handle more then one ADC request at a time to the battery. The patch -adds a mutex around the ADC read code to ensure this. - -Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> - -jz4740-battery: Add missing kfree(jz_battery) in jz_battery_remove() - -Signed-off-by: Axel Lin <axel.lin@gmail.com> -Acked-By: Lars-Peter Clausen <lars@metafoo.de> -Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com> ---- - drivers/power/jz4740-battery.c | 8 ++++++++ - 1 files changed, 8 insertions(+), 0 deletions(-) - ---- 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; - } - -@@ -291,6 +297,7 @@ 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); - -@@ -383,6 +390,7 @@ static int __devexit jz_battery_remove(s - - iounmap(jz_battery->base); - release_mem_region(jz_battery->mem->start, resource_size(jz_battery->mem)); -+ kfree(jz_battery); - - return 0; - } |