diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index e28ebf3c1c4b..e124db0fc178 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -626,9 +626,25 @@ static int mmc_sd_init_uhs_card(struct mmc_card *card)
 	 * SDR104 mode SD-cards. Note that tuning is mandatory for SDR104.
 	 */
 	if (!mmc_host_is_spi(card->host) &&
-	    (card->sd_bus_speed == UHS_SDR50_BUS_SPEED ||
-	     card->sd_bus_speed == UHS_SDR104_BUS_SPEED))
+		(card->sd_bus_speed == UHS_SDR50_BUS_SPEED ||
+		 card->sd_bus_speed == UHS_DDR50_BUS_SPEED ||
+		 card->sd_bus_speed == UHS_SDR104_BUS_SPEED)) {
 		err = mmc_execute_tuning(card);
+
+		/*
+		 * As SD Specifications Part1 Physical Layer Specification
+		 * Version 3.01 says, CMD19 tuning is available for unlocked
+		 * cards in transfer state of 1.8V signaling mode. The small
+		 * difference between v3.00 and 3.01 spec means that CMD19
+		 * tuning is also available for DDR50 mode.
+		 */
+		if (err && card->sd_bus_speed == UHS_DDR50_BUS_SPEED) {
+			pr_warn("%s: ddr50 tuning failed\n",
+				mmc_hostname(card->host));
+			err = 0;
+		}
+	}
+
 out:
 	kfree(status);