[PATCH v2] pinctrl: rockchip: add support the get_direction

Linus Walleij linus.walleij at linaro.org
Wed Apr 13 06:26:50 PDT 2016


On Tue, Mar 15, 2016 at 8:55 AM, Caesar Wang <wxt at rock-chips.com> wrote:

> 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>
> Cc: Linus Walleij <linus.walleij at linaro.org>
> Cc: Heiko Stuebner <heiko at sntech.de>
> Cc: linux-gpio at vger.kernel.org
> Cc: linux-rockchip at lists.infradead.org
>
> ---
>
> Changes in v2:
> - As Heiko comments on (https://patchwork.kernel.org/patch/8576661/),
>   fixes the wrong offset from original patch.

Patch applied.

Yours,
Linus Walleij



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