linux-kernel - Re: [PATCH] ARM: dts: sun8i: add a delay after reset xr819 on Orange Pi Zero

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Message-ID: <20161220185820.r5jmrac4toywk6te@lukather>
Date:   Tue, 20 Dec 2016 19:58:20 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Icenowy Zheng <icenowy@...c.xyz>
Cc:     Chen-Yu Tsai <wens@...e.org>, Hans de Goede <hdegoede@...hat.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: sun8i: add a delay after reset xr819 on Orange
 Pi Zero

On Tue, Dec 20, 2016 at 01:58:26PM +0800, Icenowy Zheng wrote:
> XR819 seems to need a delay after its reset line to be deasserted,
> otherwise it may not respond MMC commands correctly, and fail to
> initialize.
> 
> Add a 200ms delay in the mmc-pwrseq.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.xyz>

Applied, thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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