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(parent: bfeffd1) | patch
gpio: mvebu: implement get_direction
authorBaruch Siach <baruch@tkos.co.il>
Thu, 10 Jan 2019 12:26:21 +0000 (14:26 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Thu, 10 Jan 2019 15:19:11 +0000 (16:19 +0100)
commite8dacf5957ea583c2a1f48600043a6f76e340d1e
tree3eaaa16bb1e8cbcf4be122576ed586991b62a8eetree | snapshot
parentbfeffd155283772bbe78c6a05dec7c0128ee500ccommit | diff
gpio: mvebu: implement get_direction

struct gpio_chip documentation recommends to always implement this
callback function.

A more concrete motivation is to be able (in combination with
GPIOD_ASIS) to detect whether the bootloader has changed the state of a
GPIO signal.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/gpio/gpio-mvebu.c diff | blob | history
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