diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index fe914ff5f5d6..6a5982310934 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -498,6 +498,12 @@ static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status) else { mmc_set_timing(card->host, timing); mmc_set_clock(card->host, card->sw_caps.uhs_max_dtr); + /* + * FIXME: Sandisk SD3.0 cards DDR50 mode requires such + * delay to get stable, without this delay we may encounter + * CRC errors after switch to DDR50 mode + */ + mmc_delay(100); } return 0;