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/scsi/nsp32.c b/drivers/scsi/nsp32.c
index d06ec5a..2be7d5b 100644
--- a/drivers/scsi/nsp32.c
+++ b/drivers/scsi/nsp32.c
@@ -2672,7 +2672,7 @@
 	/*
 	 * setup DMA 
 	 */
-	if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
+	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
 		nsp32_msg (KERN_ERR, "failed to set PCI DMA mask");
 		goto scsi_unregister;
 	}