Change in v2: - remove the check "mmc_can_ext_csd" - change the hs400 tuning condition for "msdc_cmd_done" function and "msdc_cmd_next" function - use "-EIO" instead of "-ERANGE" Wenbin Mei (2): dt-bindings: mmc: mtk-sd: add hs400 dly3 setting mmc: mediatek: Add HS400 online tuning support .../devicetree/bindings/mmc/mtk-sd.yaml | 7 ++ drivers/mmc/core/mmc.c | 8 ++ drivers/mmc/host/mtk-sd.c | 118 +++++++++++++++++- include/linux/mmc/host.h | 3 + 4 files changed, 134 insertions(+), 2 deletions(-) -- 2.17.1