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Older kernel versions or systems which do not connect eMMC reset line properly may not be able to handle situations where either the eMMC is left in HS200/HS400 mode or SD card in UHS modes by the bootloader and may misbehave. Downgrade the eMMC to HS/HS52 mode and/or SD card to non-UHS mode before booting the kernel to allow such older kernels to work with modern U-Boot. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Tom Rini <trini@konsulko.com>
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