linux-kernel - Re: [RFC PATCH 4/4] pwm: sun4i: Delay after writing the period

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Message-ID: <CAGb2v67GR2x2TJU_MVfD8S=gQO7gv4ohhfGBkLD2CtSCMyNktw@mail.gmail.com>
Date:   Thu, 9 Apr 2020 23:20:23 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Pascal Roeleven <dev@...calroeleven.nl>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Maxime Ripard <mripard@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-pwm@...r.kernel.org,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [RFC PATCH 4/4] pwm: sun4i: Delay after writing the period

On Wed, Mar 18, 2020 at 12:00 AM Pascal Roeleven <dev@...calroeleven.nl> wrote:
>
> When disabling, ensure the period write is complete before continuing.
> This fixes an issue on some devices when the write isn't complete before
> the panel is turned off but the clock gate is still on.
>
> Signed-off-by: Pascal Roeleven <dev@...calroeleven.nl>

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