From: Dong Aisheng <b29396@freescale.com>
Date: Fri, 18 Oct 2013 11:48:46 +0000 (+0800)
Subject: mmc: sdhci-esdhc-imx: add DDR mode support for mx6
X-Git-Tag: v3.13-rc1~50^2~56
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de5bdbffd89dea0e3de76f99b0b036422bb93686;p=pandora-kernel.git

mmc: sdhci-esdhc-imx: add DDR mode support for mx6

When DDR mode is enabled, the initial pre_div should be 2.
And the pre_div value should be changed accordingly
from
...
02h) Base clock divided by 4
01h) Base clock divided by 2
00h) Base clock divided by 1
to
..
02h) Base clock divided by 8
01h) Base clock divided by 4
00h) Base clock divided by 2

Signed-off-by: Dong Aisheng <b29396@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

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