tree d5a160b44e01f6304d6b800c53663b08a0d17fa6
parent 69f5469822132c4ae0637eef2980dbaec5bb2b31
author Shawn Guo <shawn.guo@linaro.org> 1358766145 +0800
committer Chris Ball <cjb@laptop.org> 1361734621 -0500

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>