mmc: sdhci-s3c: add BROKEN_ADMA_ZEROLEN_DESC quirk
Jaehoon Chung [Tue, 12 Jul 2011 08:30:47 +0000 (17:30 +0900)]
Samsung SoCs need to set BROKEN_ADMA_ZEROLEN_DESC.
(If ADMA operation is more than 65535, maybe set by zero.)

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

drivers/mmc/host/sdhci-s3c.c

index 460ffaf..03da44a 100644 (file)
@@ -502,6 +502,9 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
        /* This host supports the Auto CMD12 */
        host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;
 
+       /* Samsung SoCs need BROKEN_ADMA_ZEROLEN_DESC */
+       host->quirks |= SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC;
+
        if (pdata->cd_type == S3C_SDHCI_CD_NONE ||
            pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
                host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;