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[ Upstream commit1c04790234] As some point hs200 was failing on rk3288-veyron-minnie. See commit9849267811("ARM: dts: rockchip: temporarily remove emmc hs200 speed from rk3288 minnie"). Although I didn't track down exactly when it started working, it seems to work OK now, so let's turn it back on. To test this, I booted from SD card and then used this script to stress the enumeration process after fixing a memory leak [1]: cd /sys/bus/platform/drivers/dwmmc_rockchip for i in $(seq 1 3000); do echo "========================" $i echo ff0f0000.dwmmc > unbind sleep .5 echo ff0f0000.dwmmc > bind while true; do if [ -e /dev/mmcblk2 ]; then break; fi sleep .1 done done It worked fine. [1] https://lkml.kernel.org/r/20190503233526.226272-1-dianders@chromium.org Signed-off-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Sasha Levin <sashal@kernel.org>