mmc: sirf: fix the capbility to support DDR50

According to hardware spec, validate DDR50 mode
for SDXC.

Signed-off-by: Weijun Yang <york.yang@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-sirf.c b/drivers/mmc/host/sdhci-sirf.c
index 884294576356d4c87e3869162186aadbc24b4f6a..f5488c409fd111ba5ad762520ab74c05adbf0fbd 100644 (file)
--- 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)) {