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(parent: 2505c7b) | patch
gpiolib: Add init_valid_mask exported function
authorRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Fri, 5 Oct 2018 06:52:58 +0000 (08:52 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Wed, 10 Oct 2018 08:31:40 +0000 (10:31 +0200)
commitf8ec92a9f63b3b11e399409141b7868bb405e6b5
treed1771589a157dc6bf83d67364a7c5dd64f8f1d69tree
parent2505c7b0128f63289a59d77ee39cacd08aacf779commit | diff
gpiolib: Add init_valid_mask exported function

Add a function that allows initializing the valid_mask from
gpiochip_add_data.

This prevents race conditions during gpiochip initialization.

If the function is not exported, then the old behaviour is respected,
this is, set all gpios as valid.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Tested-by: Jeffrey Hugo <jhugo@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpiolib.c diff | blob | history
include/linux/gpio/driver.h diff | blob | history
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