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/net/smsc9420.c b/drivers/net/smsc9420.c
index 5959ae8..60abdb1 100644
--- a/drivers/net/smsc9420.c
+++ b/drivers/net/smsc9420.c
@@ -1598,7 +1598,7 @@
 		goto out_free_netdev_2;
 	}
 
-	if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
+	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
 		printk(KERN_ERR "No usable DMA configuration, aborting.\n");
 		goto out_free_regions_3;
 	}