mmc: enable DMA on Ricoh sdhci reader by default

This card reader doesn't advertise, however DMA works well.  Probably
windows SDHCI driver assumes that all readers support DMA and thus we see
that bug.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Tested-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: Harald Welte <HaraldWelte@viatech.com>
Cc: Norbert Preining <preining@logic.at>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index dbf054315fe2..8e1020cf73f4 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -80,9 +80,6 @@ struct sdhci_pci_chip {
 
 static int ricoh_probe(struct sdhci_pci_chip *chip)
 {
-        if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
-                chip->quirks |= SDHCI_QUIRK_CLOCK_BEFORE_RESET;
-
         if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG ||
             chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY)
                 chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET;
@@ -92,7 +89,9 @@ static int ricoh_probe(struct sdhci_pci_chip *chip)
 
 static const struct sdhci_pci_fixes sdhci_ricoh = {
         .probe          = ricoh_probe,
-        .quirks         = SDHCI_QUIRK_32BIT_DMA_ADDR,
+        .quirks         = SDHCI_QUIRK_32BIT_DMA_ADDR |
+                          SDHCI_QUIRK_FORCE_DMA |
+                          SDHCI_QUIRK_CLOCK_BEFORE_RESET,
 };
 
 static const struct sdhci_pci_fixes sdhci_ene_712 = {