[PATCH 2/2] mmc: sirf: fix the capbility to support DDR50

Barry Song 21cnbao at gmail.com
Tue Aug 11 01:42:47 PDT 2015


From: Weijun Yang <york.yang at csr.com>

According to hardware spec, validate DDR50 mode
for SDXC.

Signed-off-by: Weijun Yang <york.yang at csr.com>
Signed-off-by: Barry Song <Baohua.Song at csr.com>
---
 drivers/mmc/host/sdhci-sirf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-sirf.c b/drivers/mmc/host/sdhci-sirf.c
index 0110bae..03efcfc 100644
--- a/drivers/mmc/host/sdhci-sirf.c
+++ b/drivers/mmc/host/sdhci-sirf.c
@@ -50,7 +50,8 @@ static u32 sdhci_sirf_readl_le(struct sdhci_host *host, int reg)
 	if (unlikely((reg == SDHCI_CAPABILITIES_1) &&
 			(host->mmc->caps & MMC_CAP_UHS_SDR50))) {
 		/* fake CAP_1 register */
-		val = SDHCI_SUPPORT_SDR50 | SDHCI_USE_SDR50_TUNING;
+		val = SDHCI_SUPPORT_DDR50 |
+			SDHCI_SUPPORT_SDR50 | SDHCI_USE_SDR50_TUNING;
 	}
 
 	if (unlikely(reg == SDHCI_SLOT_INT_STATUS)) {
-- 
1.9.1




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