jz4740-battery: Protect against concurrent battery readings
authorLars-Peter Clausen <lars@metafoo.de>
Thu, 11 Nov 2010 18:00:52 +0000 (19:00 +0100)
committerAnton Vorontsov <cbouatmailru@gmail.com>
Thu, 18 Nov 2010 13:56:16 +0000 (16:56 +0300)
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>
Cc: stable@kernel.org
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
drivers/power/jz4740-battery.c

Simple merge