pinctrl: add lock in mtk_rmw function.

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When multiple threads operate on the same register resource
which include multiple pin, It will make the register resource
wrong to control. So we add lock to avoid the case.

Signed-off-by: Zhiyong Tao <zhiyong.tao@mediatek.com>
Link: https://lore.kernel.org/r/20210321033150.15380-2-zhiyong.tao@mediatek.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Zhiyong Tao 2021-03-21 11:31:50 +08:00 • committed by Linus Walleij

parent 1517dad8e7

commit 42a46434e9

4 changed files with 10 additions and 0 deletions

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2

drivers/pinctrl/mediatek/pinctrl-moore.c

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4

drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c

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2

drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h

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2

drivers/pinctrl/mediatek/pinctrl-paris.c

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