tree 3eaaa16bb1e8cbcf4be122576ed586991b62a8ee
parent bfeffd155283772bbe78c6a05dec7c0128ee500c
author Baruch Siach <baruch@tkos.co.il> 1547123181 +0200
committer Linus Walleij <linus.walleij@linaro.org> 1547133551 +0100

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>