From: Heiko Stuebner <heiko@sntech.de>
To: Caesar Wang <wxt@rock-chips.com>
Cc: linus.walleij@linaro.org, linux-gpio@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org
Subject: Re: [PATCH v2] pinctrl: rockchip: add support the get_direction
Date: Fri, 01 Apr 2016 02:21:07 +0200 [thread overview]
Message-ID: <4521590.yHkfr458Oq@phil> (raw)
In-Reply-To: <1458028545-1202-1-git-send-email-wxt@rock-chips.com>
Am Dienstag, 15. März 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@rock-chips.com>
> Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
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next prev parent reply other threads:[~2016-04-01 0:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-15 7:55 [PATCH v2] pinctrl: rockchip: add support the get_direction Caesar Wang
2016-04-01 0:21 ` Heiko Stuebner [this message]
2016-04-13 13:26 ` Linus Walleij
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