Hi Here are some patches that improve the reliability of selecting eMMC HS200 or HS400 mode. Generally the improvement is to match the host controller timing setting with the card mode before sending commands. Adrian Hunter (4): mmc: mmc: Improve reliability of mmc_select_hs200() mmc: mmc: Fix HS setting in mmc_select_hs400() mmc: mmc: Move mmc_switch_status() mmc: mmc: Improve reliability of mmc_select_hs400() drivers/mmc/core/mmc.c | 93 +++++++++++++++++++++++++++++++++++++------------- 1 file changed, 69 insertions(+), 24 deletions(-) Regards Adrian -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html