HS400/HS200/eMMC HS doesn't have Preset Value register. Hence, sdhci_set_ios function overrides the value set by fmw to SDHCI_CTRL_DRV_TYPE_B. This patch sets drv_type to MMC_SET_DRIVER_TYPE_A so that host_control2 register gets updated with the required strength value. Signed-off-by: Akshu Agrawal <akshu.agrawal@xxxxxxx> --- drivers/mmc/host/sdhci-acpi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index d8b76cb8698a..48ecbd0b180d 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -542,6 +542,7 @@ static int amd_select_drive_strength(struct mmc_card *card, unsigned int max_dtr, int host_drv, int card_drv, int *drv_type) { + *drv_type = MMC_SET_DRIVER_TYPE_A; return MMC_SET_DRIVER_TYPE_A; } -- 2.20.1