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Date: Tue, 21 May 2013 13:21:27 +0200
Message-ID: <CACRpkdZaTH+LTR_CLiBBFnfBs_6Wuah5O4wzKqwMOYukFrRmEQ@mail.gmail.com>
Subject: Re: [PATCH v3] pinctrl: samsung: fix suspend/resume functionality
From: Linus Walleij <linus.walleij@linaro.org>
To: Doug Anderson <dianders@chromium.org>
Cc: Tomasz Figa <tomasz.figa@gmail.com>, Kukjin Kim <kgene.kim@samsung.com>,
        =?ISO-8859-1?Q?Heiko_St=FCbner?= <heiko@sntech.de>,
        Olof Johansson <olof@lixom.net>,
        Stephen Warren <swarren@wwwdotorg.org>,
        Thomas Abraham <thomas.abraham@linaro.org>,
        Prathyush K <prathyush.k@samsung.com>,
        linux-samsung-soc <linux-samsung-soc@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
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On Fri, May 17, 2013 at 6:33 AM, Doug Anderson <dianders@chromium.org> wrote:

> The GPIO states need to be restored after s2r and this is not currently
> supported in the pinctrl driver. This patch saves the gpio states before
> suspend and restores them after resume.
>
> Saving and restoring is done very early using syscore_ops and must
> happen before pins are released from their powerdown state.
>
> Patch originally from Prathyush K <prathyush.k@samsung.com> but
> rewritten by Doug Anderson <dianders@chromium.org>.
>
> Signed-off-by: Prathyush K <prathyush.k@samsung.com>
> Signed-off-by: Doug Anderson <dianders@chromium.org>
> ---
> Changes in v3:

Applied to my fixes branch for v3.10 with some collected
Tested-bys/Acks.

Yours,
Linus Walleij