1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 3486bc49c177..76b321bb73f9 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -2431,6 +2431,11 @@ static int __devinit pci_probe(struct pci_dev *dev,
             dev->device == PCI_DEVICE_ID_AGERE_FW643)
                 ohci->use_dualbuffer = false;
 
+        /* dual-buffer mode is broken */
+        if (dev->vendor == PCI_VENDOR_ID_RICOH &&
+            dev->device == PCI_DEVICE_ID_RICOH_R5C832)
+                ohci->use_dualbuffer = false;
+
 /* x86-32 currently doesn't use highmem for dma_alloc_coherent */
 #if !defined(CONFIG_X86_32)
         /* dual-buffer mode is broken with descriptor addresses above 2G */