[PATCH] pinctrl: bcm2835: Implement get_direction callback

[Stephen Warren]

On 03/28/2016 08:58 AM, Stefan Wahren wrote:
> Implement gpio_chip's get_direction() callback, that lets other
> drivers get particular GPIOs direction using gpiod_get_direction().

Reviewed-by: Stephen Warren <swarren at wwwdotorg.org>