dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)

Replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)

Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 1c5c8a6..53c7788 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -94,7 +94,7 @@
 	 * done via some global so platforms can set the limit in case
 	 * they have limited DMA windows
 	 */
-	return mask >= DMA_32BIT_MASK;
+	return mask >= DMA_BIT_MASK(32);
 #else
 	return 1;
 #endif
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 3f37a6e..87df428 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -76,7 +76,7 @@
 		return NULL;
 
 	dev->dma_mask = 0xffffffffUL;
-	dev->dev.coherent_dma_mask = DMA_32BIT_MASK;
+	dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
 
 	dev->dev.bus = &of_platform_bus_type;
 
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index 6ed75bf..ff43f1f 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -202,7 +202,7 @@
 void *iseries_hv_alloc(size_t size, dma_addr_t *dma_handle, gfp_t flag)
 {
 	return iommu_alloc_coherent(NULL, &vio_iommu_table, size, dma_handle,
-				DMA_32BIT_MASK, flag, -1);
+				DMA_BIT_MASK(32), flag, -1);
 }
 EXPORT_SYMBOL_GPL(iseries_hv_alloc);
 
@@ -217,7 +217,7 @@
 {
 	return iommu_map_page(NULL, &vio_iommu_table, virt_to_page(vaddr),
 			      (unsigned long)vaddr % PAGE_SIZE, size,
-			      DMA_32BIT_MASK, direction, NULL);
+			      DMA_BIT_MASK(32), direction, NULL);
 }
 
 void iseries_hv_unmap(dma_addr_t dma_handle, size_t size,
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index a705fff..9a73d02 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -689,7 +689,7 @@
 
 static int ps3_dma_supported(struct device *_dev, u64 mask)
 {
-	return mask >= DMA_32BIT_MASK;
+	return mask >= DMA_BIT_MASK(32);
 }
 
 static struct dma_mapping_ops ps3_sb_dma_ops = {