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/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index e616c20..43fa0f8 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -288,7 +288,7 @@
 	if (pci_set_mwi(pci_dev))
 		ERROR_PROBE("MWI not available.\n");
 
-	if (dma_set_mask(&pci_dev->dev, DMA_32BIT_MASK)) {
+	if (dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32))) {
 		ERROR_PROBE("PCI DMA not supported.\n");
 		retval = -EIO;
 		goto exit_disable_device;