mmc: sirf: fix the capbility to support DDR50

Weijun Yang · storulf · commit 0de9125fa823 · 2015-10-26T16:00:04.000+01:00
According to hardware spec, validate DDR50 mode
for SDXC.

Signed-off-by: Weijun Yang &lt;york.yang@csr.com&gt;
Signed-off-by: Barry Song &lt;Baohua.Song@csr.com&gt;
Signed-off-by: Ulf Hansson &lt;ulf.hansson@linaro.org&gt;
diff --git 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)) {

Original file line number	Diff line number	Diff line change
`@@ -50,7 +50,8 @@ static u32 sdhci_sirf_readl_le(struct sdhci_host *host, int reg)`
`50`	`50`	`if (unlikely((reg == SDHCI_CAPABILITIES_1) &&`
`51`	`51`	`(host->mmc->caps & MMC_CAP_UHS_SDR50))) {`
`52`	`52`	`/* fake CAP_1 register */`
`53`		`- val = SDHCI_SUPPORT_SDR50 \| SDHCI_USE_SDR50_TUNING;`
	`53`	`+ val = SDHCI_SUPPORT_DDR50 \|`
	`54`	`+ SDHCI_SUPPORT_SDR50 \| SDHCI_USE_SDR50_TUNING;`
`54`	`55`	`}`
`55`	`56`
`56`	`57`	`if (unlikely(reg == SDHCI_SLOT_INT_STATUS)) {`