Am Dienstag, 15. M?rz 2016, 15:55:45 schrieb Caesar Wang: > This patch adds the get_direction to support the gpio > interface. > > The gpio direction is not used on rockchip platform when use the gpio > debugfs. > > Tested on kylin board. (RK3036 SoCs) > The repro steps: > $/sys/class/gpio/ > echo 53 > export > $/sys/class/gpio/gpio53# cat direction > in > In general, the gpio53 should be out value, but the direction is the > default value 'in', since the get_direction didn't supported in rockchip > pinctrl. > > So, we should add this patch to support it. > > Reported-by: Jeffy Chen <jeffy.chen at rock-chips.com> > Signed-off-by: Caesar Wang <wxt at rock-chips.com> Reviewed-by: Heiko Stuebner <heiko at sntech.de>
