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/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 5d57d77..a08bc8a 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -445,7 +445,7 @@
 	}
 
 	/* XXX 32-bit addressing only */
-	ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 	if (ret) {
 		dev_err(&pdev->dev, "32-bit DMA not available\n");
 		goto err_dis;