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H A Dsdhci-of-dwcmshc.c70f83220 Wed May 04 16:32:39 CDT 2022 Yifeng Zhao <yifeng.zhao@rock-chips.com> mmc: sdhci-of-dwcmshc: add reset call back for rockchip Socs

The reset function build in the SDHCI will not reset the logic
circuit related to the tuning function, which may cause data
reading errors. Resetting the complete SDHCI controller through
the reset controller fixes the issue.

Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
[rebase, use optional variant of reset getter]
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20220504213251.264819-10-sebastian.reichel@collabora.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>