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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index e54d6fba85e..3856669aa7e 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1834,7 +1834,7 @@ int sdhci_add_host(struct sdhci_host *host)
         /*
          * Maximum block count.
          */
-        mmc->max_blk_count = 65535;
+        mmc->max_blk_count = (host->quirks & SDHCI_QUIRK_NO_MULTIBLOCK) ? 1 : 65535;
 
         /*
          * Init tasklets.