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(parent: 69f5469) | patch
mmc: sdhci-esdhc-imx: manually reset MIX_CTRL for usdhc
authorShawn Guo <shawn.guo@linaro.org>
Mon, 21 Jan 2013 11:02:25 +0000 (19:02 +0800)
committerChris Ball <cjb@laptop.org>
Sun, 24 Feb 2013 19:37:01 +0000 (14:37 -0500)
commit58c8c4fbdb5576a0afa377b1a730566b25c25cba
treed5a160b44e01f6304d6b800c53663b08a0d17fa6tree | snapshot (tar.gz zip)
parent69f5469822132c4ae0637eef2980dbaec5bb2b31commit | diff
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>
drivers/mmc/host/sdhci-esdhc-imx.c diff | blob | blame | history