3 files changed, 23 insertions, 20 deletions

diff --git a/arch/mips/au1000/common/platform.c b/arch/mips/au1000/common/platform.c
index 74d6d4a593be..dc8a67efac28 100644
--- a/arch/mips/au1000/common/platform.c
+++ b/arch/mips/au1000/common/platform.c
@@ -11,6 +11,7 @@
  * warranty of any kind, whether express or implied.
  */
 
+#include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 #include <linux/init.h>
@@ -77,14 +78,14 @@ static struct resource au1xxx_usb_ohci_resources[] = {
 };
 
 /* The dmamask must be set for OHCI to work */
-static u64 ohci_dmamask = ~(u32)0;
+static u64 ohci_dmamask = DMA_32BIT_MASK;
 
 static struct platform_device au1xxx_usb_ohci_device = {
         .name           = "au1xxx-ohci",
         .id             = 0,
         .dev = {
                 .dma_mask               = &ohci_dmamask,
-                .coherent_dma_mask      = 0xffffffff,
+                .coherent_dma_mask      = DMA_32BIT_MASK,
         },
         .num_resources  = ARRAY_SIZE(au1xxx_usb_ohci_resources),
         .resource       = au1xxx_usb_ohci_resources,
@@ -106,14 +107,14 @@ static struct resource au1100_lcd_resources[] = {
         }
 };
 
-static u64 au1100_lcd_dmamask = ~(u32)0;
+static u64 au1100_lcd_dmamask = DMA_32BIT_MASK;
 
 static struct platform_device au1100_lcd_device = {
         .name           = "au1100-lcd",
         .id             = 0,
         .dev = {
                 .dma_mask               = &au1100_lcd_dmamask,
-                .coherent_dma_mask      = 0xffffffff,
+                .coherent_dma_mask      = DMA_32BIT_MASK,
         },
         .num_resources  = ARRAY_SIZE(au1100_lcd_resources),
         .resource       = au1100_lcd_resources,
@@ -135,14 +136,14 @@ static struct resource au1xxx_usb_ehci_resources[] = {
         },
 };
 
-static u64 ehci_dmamask = ~(u32)0;
+static u64 ehci_dmamask = DMA_32BIT_MASK;
 
 static struct platform_device au1xxx_usb_ehci_device = {
         .name           = "au1xxx-ehci",
         .id             = 0,
         .dev = {
                 .dma_mask               = &ehci_dmamask,
-                .coherent_dma_mask      = 0xffffffff,
+                .coherent_dma_mask      = DMA_32BIT_MASK,
         },
         .num_resources  = ARRAY_SIZE(au1xxx_usb_ehci_resources),
         .resource       = au1xxx_usb_ehci_resources,
@@ -180,14 +181,14 @@ static struct resource au1xxx_mmc_resources[] = {
         }
 };
 
-static u64 udc_dmamask = ~(u32)0;
+static u64 udc_dmamask = DMA_32BIT_MASK;
 
 static struct platform_device au1xxx_usb_gdt_device = {
         .name           = "au1xxx-udc",
         .id             = 0,
         .dev = {
                 .dma_mask               = &udc_dmamask,
-                .coherent_dma_mask      = 0xffffffff,
+                .coherent_dma_mask      = DMA_32BIT_MASK,
         },
         .num_resources  = ARRAY_SIZE(au1xxx_usb_gdt_resources),
         .resource       = au1xxx_usb_gdt_resources,
@@ -207,14 +208,14 @@ static struct resource au1xxx_usb_otg_resources[] = {
         },
 };
 
-static u64 uoc_dmamask = ~(u32)0;
+static u64 uoc_dmamask = DMA_32BIT_MASK;
 
 static struct platform_device au1xxx_usb_otg_device = {
         .name           = "au1xxx-uoc",
         .id             = 0,
         .dev = {
                 .dma_mask               = &uoc_dmamask,
-                .coherent_dma_mask      = 0xffffffff,
+                .coherent_dma_mask      = DMA_32BIT_MASK,
         },
         .num_resources  = ARRAY_SIZE(au1xxx_usb_otg_resources),
         .resource       = au1xxx_usb_otg_resources,
@@ -233,27 +234,27 @@ static struct resource au1200_lcd_resources[] = {
         }
 };
 
-static u64 au1200_lcd_dmamask = ~(u32)0;
+static u64 au1200_lcd_dmamask = DMA_32BIT_MASK;
 
 static struct platform_device au1200_lcd_device = {
         .name           = "au1200-lcd",
         .id             = 0,
         .dev = {
                 .dma_mask               = &au1200_lcd_dmamask,
-                .coherent_dma_mask      = 0xffffffff,
+                .coherent_dma_mask      = DMA_32BIT_MASK,
         },
         .num_resources  = ARRAY_SIZE(au1200_lcd_resources),
         .resource       = au1200_lcd_resources,
 };
 
-static u64 au1xxx_mmc_dmamask =  ~(u32)0;
+static u64 au1xxx_mmc_dmamask =  DMA_32BIT_MASK;
 
 static struct platform_device au1xxx_mmc_device = {
         .name = "au1xxx-mmc",
         .id = 0,
         .dev = {
                 .dma_mask               = &au1xxx_mmc_dmamask,
-                .coherent_dma_mask      = 0xffffffff,
+                .coherent_dma_mask      = DMA_32BIT_MASK,
         },
         .num_resources  = ARRAY_SIZE(au1xxx_mmc_resources),
         .resource       = au1xxx_mmc_resources,
diff --git a/arch/mips/au1000/pb1200/platform.c b/arch/mips/au1000/pb1200/platform.c
index 5930110b9b6d..f8fb0aeac571 100644
--- a/arch/mips/au1000/pb1200/platform.c
+++ b/arch/mips/au1000/pb1200/platform.c
@@ -18,6 +18,7 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#include <linux/dma-mapping.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 
@@ -36,14 +37,14 @@ static struct resource ide_resources[] = {
         }
 };
 
-static u64 ide_dmamask = ~(u32)0;
+static u64 ide_dmamask = DMA_32BIT_MASK;
 
 static struct platform_device ide_device = {
         .name           = "au1200-ide",
         .id             = 0,
         .dev = {
                 .dma_mask               = &ide_dmamask,
-                .coherent_dma_mask      = 0xffffffff,
+                .coherent_dma_mask      = DMA_32BIT_MASK,
         },
         .num_resources  = ARRAY_SIZE(ide_resources),
         .resource       = ide_resources
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),