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(parent: 53f8d32) | patch
gpio: pca953x: Move memcpy into mutex lock for set multiple
authorPhil Reid <preid@electromag.com.au>
Tue, 8 Nov 2016 05:18:11 +0000 (13:18 +0800)
committerLinus Walleij <linus.walleij@linaro.org>
Tue, 8 Nov 2016 09:29:47 +0000 (10:29 +0100)
commit386377b5473043c09b2de40bfe5abfb0fc87e1b4
treea0514a12d5fb118951c07382435ba857e334f536tree | snapshot
parent53f8d322234649b4d6f1515b20c127a577efd164commit | diff
gpio: pca953x: Move memcpy into mutex lock for set multiple

Need to ensure that reg_output is not updated while setting multiple
bits. This makes the mutex locking behaviour for the set_multiple call
consistent with that of the set_value call.

Cc: stable@vger.kernel.org
Fixes: b4818afeacbd ("gpio: pca953x: Add set_multiple to allow multiple")
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-pca953x.c diff | blob | history
John Crispins staging tree