mmc: sdhci-sprd: clear the UHS-I modes read from registers

sprd's sd host controller supports SDR50/SDR104/DDR50 though, the UHS-I
mode used by the specific card can be selected via devicetree only.

Fixes: fb8bd90f83c4 ("mmc: sdhci-sprd: Add Spreadtrum's initial host controller")
Signed-off-by: Chunyan Zhang <>
Signed-off-by: Chunyan Zhang <>
Reviewed-by: Baolin Wang <>
Tested-by: Baolin Wang <>
Signed-off-by: Ulf Hansson <>
1 file changed