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H A Dsdhci-of-dwcmshc.cb75a52b0 Wed Feb 01 18:35:16 CST 2023 Shawn Lin <shawn.lin@rock-chips.com> mmc: sdhci-of-dwcmshc: Update DLL and pre-change delay for rockchip platform

For Rockchip platform, DLL bypass bit and start bit need to be set if
DLL is not locked. And adjust pre-change delay to 0x3 for better signal
test result.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Link: https://lore.kernel.org/r/1675298118-64243-2-git-send-email-shawn.lin@rock-chips.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>