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(parent: 2aaaddf) | patch
pinctrl: sunxi: Fix gpio_set behaviour
authorMaxime Ripard <maxime.ripard@free-electrons.com>
Thu, 25 Jul 2013 10:41:16 +0000 (12:41 +0200)
committerLinus Walleij <linus.walleij@stericsson.com>
Wed, 7 Aug 2013 19:57:13 +0000 (21:57 +0200)
commitdf7b34f4c3d23f25b408d4c0d7f528092becce63
tree9e622723aabd03e9f3292f436d4d1e3b538a9ff9tree | snapshot
parent2aaaddff8df6cdb06b17c739e8e6be5c92665962commit | diff
pinctrl: sunxi: Fix gpio_set behaviour

The current gpio_set function is ignoring the previous value set in the
GPIO value register, which leads in erasing the values already set for
the other GPIOs in the same bank when setting the value of a given GPIO.

Add the usual read/mask/write pattern to fix this brown paper bag bug.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
drivers/pinctrl/pinctrl-sunxi.c diff | blob | history
Domain: System / Uncategorized;