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(parent: d433dc6) | patch
mmc: sdhci-esdhc-imx: tuning bits should not be cleared during reset
authorDong Aisheng <b29396@freescale.com>
Mon, 4 Nov 2013 08:38:26 +0000 (16:38 +0800)
committerChris Ball <chris@printf.net>
Mon, 13 Jan 2014 17:48:07 +0000 (12:48 -0500)
commitd131a71c951088704eabe1529de99188c9e2c22c
tree576e59f8888fddde5b5c331d25951e05fca89f6ftree | snapshot
parentd433dc63182825538b85de6a85e2ea3fad7f2917commit | diff
mmc: sdhci-esdhc-imx: tuning bits should not be cleared during reset

We should not clear tuning bits during reset or the SD3.0/eMMC4.5 card
working on UHS mode may not work after reset since the former tuning
settings was lost.

Signed-off-by: Dong Aisheng <b29396@freescale.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
drivers/mmc/host/sdhci-esdhc-imx.c diff | blob | history
Domain: System / Kernel;