mmc: sdhci-s3c: Auto CMD12 support

Samsung SDHCI host controller supports the Auto CMD12.
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NChris Ball <cjb@laptop.org>

drivers/mmc/host/sdhci-s3c.c

@@ -499,6 +499,9 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 	 * SDHCI block, or a missing configuration that needs to be set. */
 	host->quirks |= SDHCI_QUIRK_NO_BUSY_IRQ;
 
+	/* This host supports the Auto CMD12 */
+	host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;
+
 	if (pdata->cd_type == S3C_SDHCI_CD_NONE ||
 	    pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
 		host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;