dma-mapping: replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64)

Replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64)

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/stex.c b/drivers/scsi/stex.c
index df7f96c..7cb8063 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -1395,8 +1395,8 @@
 {
 	int ret;
 
-	if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)
-		&& !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))
+	if (!pci_set_dma_mask(pdev,  DMA_BIT_MASK(64))
+		&& !pci_set_consistent_dma_mask(pdev,  DMA_BIT_MASK(64)))
 		return 0;
 	ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
 	if (!ret)