mmc: sdhci-esdhc-imx: add MMC_CAP_1_8V_DDR for mx6

Dong Aisheng · cjb · commit e2997c944dbd · 2014-01-13T12:48:04.000-05:00
The i.MX6 supports 1.8v/3.3v eMMC DDR mode, so add this flag.

Signed-off-by: Dong Aisheng &lt;b29396@freescale.com&gt;
Acked-by: Shawn Guo &lt;shawn.guo@linaro.org&gt;
Signed-off-by: Chris Ball &lt;cjb@laptop.org&gt;
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -1025,6 +1025,7 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
 	if (esdhc_is_usdhc(imx_data)) {
 		writel(0x08100810, host->ioaddr + ESDHC_WTMK_LVL);
 		host->quirks2 |= SDHCI_QUIRK2_PRESET_VALUE_BROKEN;
+		host->mmc->caps |= MMC_CAP_1_8V_DDR;
 	}
 
 	if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING)

Original file line number	Diff line number	Diff line change
`@@ -1025,6 +1025,7 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)`
`1025`	`1025`	`if (esdhc_is_usdhc(imx_data)) {`
`1026`	`1026`	`writel(0x08100810, host->ioaddr + ESDHC_WTMK_LVL);`
`1027`	`1027`	`host->quirks2 \|= SDHCI_QUIRK2_PRESET_VALUE_BROKEN;`
	`1028`	`+ host->mmc->caps \|= MMC_CAP_1_8V_DDR;`
`1028`	`1029`	`}`
`1029`	`1030`
`1030`	`1031`	`if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING)`