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/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 77b2fb5..04e88b6 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -477,7 +477,7 @@
 		 * do not setup 64 bit maps on systems with 2GB or less
 		 * memory installed.
 		 */
-		ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+		ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 		if (ret) {
 			dev_info(&pdev->dev,
 				"Unable to set DMA mask for unit %u: %d\n",
@@ -486,7 +486,7 @@
 		}
 		else {
 			ipath_dbg("No 64bit DMA mask, used 32 bit mask\n");
-			ret = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+			ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 			if (ret)
 				dev_info(&pdev->dev,
 					"Unable to set DMA consistent mask "