mmc: sdhci-s3c: Auto CMD12 support

Samsung SDHCI host controller supports the Auto CMD12.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 5309ab9..69e3ee3 100644 (file)
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/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;