From: Zhoujie Wu <zjwu@marvell.com>
Date: Fri, 21 Jul 2017 18:30:58 +0000 (-0700)
Subject: mmc: sdhci-xenon: ignore timing DDR52 in tuning
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=468c648335b1724fcaa0c4f2a0247f77fe4f2977;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

mmc: sdhci-xenon: ignore timing DDR52 in tuning

Emmc DDR52 mode uses fixed delay, return earlier if
timing is MMC_TIMING_MMC_DDR52 in execute tuning function.

Signed-off-by: Zhoujie Wu <zjwu@marvell.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c
index 6ef33aad0f2e..edd4d9151071 100644
--- a/drivers/mmc/host/sdhci-xenon.c
+++ b/drivers/mmc/host/sdhci-xenon.c
@@ -311,7 +311,8 @@ static int xenon_execute_tuning(struct mmc_host *mmc, u32 opcode)
 {
 	struct sdhci_host *host = mmc_priv(mmc);
 
-	if (host->timing == MMC_TIMING_UHS_DDR50)
+	if (host->timing == MMC_TIMING_UHS_DDR50 ||
+		host->timing == MMC_TIMING_MMC_DDR52)
 		return 0;
 
 	/*