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/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index e95b72d..80aac01 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -395,7 +395,7 @@
 
 	error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
 	if (error) {
-		error = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+		error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 		if (error) {
 			printk(KERN_WARNING
 			       "scsi%d: No suitable DMA mask available\n",