pinctrl: add some error checking for user interfaces

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This patch can avoid kernel oops in case the mux or config
function is not supported by driver.

Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Dong Aisheng 2012-04-10 12:41:34 +08:00 • committed by Linus Walleij

parent a1d31f71e6

commit ad8bb720c2

2 changed files with 17 additions and 2 deletions

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4

drivers/pinctrl/pinconf.c

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15

drivers/pinctrl/pinmux.c

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