[MIPS] Alchemy, PNX: Use symbolic constants for DMA masks.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 5 insertions, 4 deletions

diff --git a/arch/mips/nxp/pnx8550/common/platform.c b/arch/mips/nxp/pnx8550/common/platform.c
index c7c763dbe588..21d2955359b3 100644
--- a/arch/mips/nxp/pnx8550/common/platform.c
+++ b/arch/mips/nxp/pnx8550/common/platform.c
@@ -13,6 +13,7 @@
  * warranty of any kind, whether express or implied.
  */
 #include <linux/device.h>
+#include <linux/dma-mapping.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/resource.h>
@@ -91,16 +92,16 @@ struct pnx8xxx_port pnx8xxx_ports[] = {
 };
 
 /* The dmamask must be set for OHCI to work */
-static u64 ohci_dmamask = ~(u32)0;
+static u64 ohci_dmamask = DMA_32BIT_MASK;
 
-static u64 uart_dmamask = ~(u32)0;
+static u64 uart_dmamask = DMA_32BIT_MASK;
 
 static struct platform_device pnx8550_usb_ohci_device = {
         .name           = "pnx8550-ohci",
         .id             = -1,
         .dev = {
                 .dma_mask               = &ohci_dmamask,
-                .coherent_dma_mask      = 0xffffffff,
+                .coherent_dma_mask      = DMA_32BIT_MASK,
         },
         .num_resources  = ARRAY_SIZE(pnx8550_usb_ohci_resources),
         .resource       = pnx8550_usb_ohci_resources,
@@ -111,7 +112,7 @@ static struct platform_device pnx8550_uart_device = {
         .id             = -1,
         .dev = {
                 .dma_mask               = &uart_dmamask,
-                .coherent_dma_mask      = 0xffffffff,
+                .coherent_dma_mask      = DMA_32BIT_MASK,
                 .platform_data = pnx8xxx_ports,
         },
         .num_resources  = ARRAY_SIZE(pnx8550_uart_resources),