linux-kernel - Re: [PATCH 08/14] mmc: sunxi: simplify optional reset handling

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Message-ID: <CAGb2v66w_TCAqc6xf5OWZek5NVt8_8a089SS_DeYrB__7Pn0eQ@mail.gmail.com>
Date:   Tue, 31 Jan 2017 11:50:32 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Philipp Zabel <p.zabel@...gutronix.de>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Ramiro Oliveira <Ramiro.Oliveira@...opsys.com>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Ulf Hansson <ulf.hansson@...aro.org>
Subject: Re: [PATCH 08/14] mmc: sunxi: simplify optional reset handling

On Mon, Jan 30, 2017 at 7:41 PM, Philipp Zabel <p.zabel@...gutronix.de> wrote:
> As of commit bb475230b8e5 ("reset: make optional functions really
> optional"), the reset framework API calls use NULL pointers to describe
> optional, non-present reset controls.
>
> This allows to return errors from devm_reset_control_get_optional and to
> call reset_control_(de)assert unconditionally.
>
> Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
> Cc: Maxime Ripard <maxime.ripard@...e-electrons.com>
> Cc: Chen-Yu Tsai <wens@...e.org>
> Cc: Ulf Hansson <ulf.hansson@...aro.org>

FWIW,

Acked-by: Chen-Yu Tsai <wens@...e.org>