linux-kernel - Re: [PATCH v2 15/16] mmc: meson-gx: change default tx phase

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Message-ID: <7h8ti8h5q9.fsf@baylibre.com>
Date:   Thu, 24 Aug 2017 17:05:18 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Jerome Brunet <jbrunet@...libre.com>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        Carlo Caione <carlo@...one.org>, linux-mmc@...r.kernel.org,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 15/16] mmc: meson-gx: change default tx phase

Jerome Brunet <jbrunet@...libre.com> writes:

> Initial default tx phase was set to 0 while the datasheet recommends 270.
> Some cards fails to initialize with this setting and eMMC mode DDR52 does
> not work.
>
> Changing this setting to 270 fixes these issues, without any regression
> so far
>
> Signed-off-by: Jerome Brunet <jbrunet@...libre.com>

Reviewed-by: Kevin Hilman <khilman@...libre.com>