jz4740-battery: Protect against concurrent battery readings

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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>

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Lars-Peter Clausen 2010-11-11 19:00:52 +01:00 • committed by Anton Vorontsov

parent 86af95039b

commit 8ec98fe0b4

1 changed files with 7 additions and 0 deletions

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drivers/power/jz4740-battery.c

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