From: Shawn Guo <shawn.guo@linaro.org>
Date: Mon, 21 Jan 2013 11:02:25 +0000 (+0800)
Subject: mmc: sdhci-esdhc-imx: manually reset MIX_CTRL for usdhc
X-Git-Tag: v3.9-rc1~78^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58c8c4fbdb5576a0afa377b1a730566b25c25cba;p=pandora-kernel.git

mmc: sdhci-esdhc-imx: manually reset MIX_CTRL for usdhc

It's another violation to SDHC spec that software reset on usdhc
does not reset MIX_CTRL register.  Have to do it manually, otherwise
the preserving of the register bits (e.g. AC23EN) may cause mmc card
fail to be initialized.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

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