Some controllers may need to configure few registers based on enhanced strobe mode while configuring to HS400 timing, thus make ios.enhanced_strobe to true before mmc_set_timing in mmc_select_hs400es. Signed-off-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxxx> --- drivers/mmc/core/mmc.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index eb69497..052368e 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1327,12 +1327,18 @@ static int mmc_select_hs400es(struct mmc_card *card) goto out_err; } + /* + * Enable enhanced_strobe in ios, as some controllers + * may need to configure few registers based on enhanced + * strobe while changing HS400 timing. + */ + host->ios.enhanced_strobe = true; + /* Set host controller to HS400 timing and frequency */ mmc_set_timing(host, MMC_TIMING_MMC_HS400); mmc_set_bus_speed(card); /* Controller enable enhanced strobe function */ - host->ios.enhanced_strobe = true; if (host->ops->hs400_enhanced_strobe) host->ops->hs400_enhanced_strobe(host, &host->ios); -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project. -- 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
