sdhci: Add SDHCI_QUIRK_NO_MULTIBLOCK quirk
Add quirk to show the controller cannot do multi-block IO.
This is mainly for the Samsung SDHCI controller that currently
cannot manage to do multi-block PIO without timing out.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 19246fe..50997d2 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -329,6 +329,9 @@
* support as well. */
host->quirks |= SDHCI_QUIRK_BROKEN_DMA;
+ /* PIO currently has problems with multi-block IO */
+ host->quirks |= SDHCI_QUIRK_NO_MULTIBLOCK;
+
#endif /* CONFIG_MMC_SDHCI_S3C_DMA */
/* It seems we do not get an DATA transfer complete on non-busy