1 files changed, 3 insertions, 2 deletions

diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index 59c928564a03..4ff4da2c238b 100644
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -1,7 +1,8 @@
 /*
  * Contains routines needed to support swiotlb for ppc.
  *
- * Copyright (C) 2009 Becky Bruce, Freescale Semiconductor
+ * Copyright (C) 2009-2010 Freescale Semiconductor, Inc.
+ * Author: Becky Bruce
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -70,7 +71,7 @@ static int ppc_swiotlb_bus_notify(struct notifier_block *nb,
         sd->max_direct_dma_addr = 0;
 
         /* May need to bounce if the device can't address all of DRAM */
-        if (dma_get_mask(dev) < lmb_end_of_DRAM())
+        if ((dma_get_mask(dev) + 1) < lmb_end_of_DRAM())
                 set_dma_ops(dev, &swiotlb_dma_ops);
 
         return NOTIFY_DONE;