arm/imx/gpio: add spinlock protection

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The GPIO registers need protection from concurrent access for operations that
are not atomic.

Cc: stable@kernel.org
Cc: Juergen Beisert <j.beisert@pengutronix.de>
Cc: Daniel Mack <daniel@caiaq.de>
Reported-by: rpkamiak@rockwellcollins.com
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

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Baruch Siach 2010-07-06 14:03:22 +03:00 • committed by Sascha Hauer

parent ef93f1443c

commit 14cb0deb66

2 changed files with 9 additions and 0 deletions

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8

arch/arm/plat-mxc/gpio.c

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1

arch/arm/plat-mxc/include/mach/gpio.h

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