[ARM] ep93xx: fix OHCI DMA mask

Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 4 insertions, 2 deletions

diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index de53f0be71b9..48345fb34613 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -26,6 +26,7 @@
 #include <linux/serial_core.h>
 #include <linux/device.h>
 #include <linux/mm.h>
+#include <linux/dma-mapping.h>
 #include <linux/time.h>
 #include <linux/timex.h>
 #include <linux/delay.h>
@@ -449,12 +450,13 @@ static struct resource ep93xx_ohci_resources[] = {
         },
 };
 
+
 static struct platform_device ep93xx_ohci_device = {
         .name           = "ep93xx-ohci",
         .id             = -1,
         .dev            = {
-                .dma_mask               = (void *)0xffffffff,
-                .coherent_dma_mask      = 0xffffffff,
+                .dma_mask               = &ep93xx_ohci_device.dev.coherent_dma_mask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
         },
         .num_resources  = ARRAY_SIZE(ep93xx_ohci_resources),
         .resource       = ep93xx_ohci_resources,