From: Dong Aisheng <b29396@freescale.com>
Date: Fri, 18 Oct 2013 11:48:48 +0000 (+0800)
Subject: mmc: sdhci-esdhc-imx: enable SDR50 tuning for imx6q/dl
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=888824bb63130ba70f310ebf8ffc2b44477847f5;p=deliverable%2Flinux.git

mmc: sdhci-esdhc-imx: enable SDR50 tuning for imx6q/dl

The imx6q/dl supports SDR50 tunning, enable it for a better timing
on SDR50 mode.

Signed-off-by: Dong Aisheng <b29396@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 260a81fde18d..1d1fcb2e9bf8 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -257,7 +257,8 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
 			else
 				/* imx6q/dl does not have cap_1 register, fake one */
 				val = SDHCI_SUPPORT_DDR50 | SDHCI_SUPPORT_SDR104
-					| SDHCI_SUPPORT_SDR50;
+					| SDHCI_SUPPORT_SDR50
+					| SDHCI_USE_SDR50_TUNING;
 		}
 	}