mmc: dw_mmc: clarify DDR timing mode between SD-UHS and eMMC

Replaced UHS_DDR50 with MMC_DDR52. And MMC_CAP_UHS_DDR50
is removed because of non-implementation of UHS signaling.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>
diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c
index 3423c5e..a67e784 100644
--- a/drivers/mmc/host/dw_mmc-exynos.c
+++ b/drivers/mmc/host/dw_mmc-exynos.c
@@ -187,7 +187,7 @@
 	unsigned long actual;
 	u8 div = priv->ciu_div + 1;
 
-	if (ios->timing == MMC_TIMING_UHS_DDR50) {
+	if (ios->timing == MMC_TIMING_MMC_DDR52) {
 		mci_writel(host, CLKSEL, priv->ddr_timing);
 		/* Should be double rate for DDR mode */
 		if (ios->bus_width == MMC_BUS_WIDTH_8)
@@ -386,8 +386,7 @@
 
 /* Common capabilities of Exynos4/Exynos5 SoC */
 static unsigned long exynos_dwmmc_caps[4] = {
-	MMC_CAP_UHS_DDR50 | MMC_CAP_1_8V_DDR |
-		MMC_CAP_8_BIT_DATA | MMC_CAP_CMD23,
+	MMC_CAP_1_8V_DDR | MMC_CAP_8_BIT_DATA | MMC_CAP_CMD23,
 	MMC_CAP_CMD23,
 	MMC_CAP_CMD23,
 	MMC_CAP_CMD23,