linux-kernel - [PATCH 0/3] mmc: meson-gx: fixes for v4.14

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Message-Id: <20171002122743.32334-1-jbrunet@baylibre.com>
Date:   Mon,  2 Oct 2017 14:27:40 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Carlo Caione <carlo@...one.org>,
        Kevin Hilman <khilman@...libre.com>
Cc:     Jerome Brunet <jbrunet@...libre.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        linux-mmc@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 0/3] mmc: meson-gx: fixes for v4.14

This patchset fixes the issues reported by Heiner [0] with the odroid-c2.
In a nutshell, this series does the following:

* Make sure the mmc clock rate is not set higher than what is requested
* Reset the tuning values on mmc power cycle instead of POWER_ON
* Add tuning of the tx phase to the tuning function.

This fixes the problem seen on the odroid-c2, both for hs200 and hs400.
To check for regression, this series has also been tested on the gxl
libretech-cc

Ulf, could you please pick this as fixes for v4.14 ?

[0]: https://lkml.kernel.org/r/e2171288-84ef-82db-2efc-300935e6c062@gmail.com

Jerome Brunet (3):
  mmc: meson-gx: make sure the clock is rounded down
  mmc: meson-gx: fix rx phase reset
  mmc: meson-gx: include tx phase in the tuning process

 drivers/mmc/host/meson-gx-mmc.c | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

-- 
2.13.5