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mmc: sdhci-s3c: add BROKEN_ADMA_ZEROLEN_DESC quirk

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>
Jaehoon Chung 14 years ago
parent
commit
7199e2b61d
1 changed files with 3 additions and 0 deletions
  1. 3 0
      drivers/mmc/host/sdhci-s3c.c

+ 3 - 0
drivers/mmc/host/sdhci-s3c.c

@@ -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;