Adrian Hunter b2499518b5
mmc: core: add eMMC hardware reset support ...
eMMC's may have a hardware reset line. This patch provides a
host controller operation to implement hardware reset and
a function to reset and reinitialize the card. Also, for MMC,
the reset is always performed before initialization.
The host must set the new host capability MMC_CAP_HW_RESET
to enable hardware reset.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com >
Signed-off-by: Chris Ball <cjb@laptop.org >
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b2499518b5