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/gdth.c b/drivers/scsi/gdth.c
index fb247fd..4982344 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -5030,7 +5030,7 @@
 		}
 	} else {
 		shp->max_cmd_len = 16;
-		if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+		if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
 			printk("GDT-PCI %d: 64-bit DMA enabled\n", ha->hanum);
 		} else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
 			printk(KERN_WARNING "GDT-PCI %d: "