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/dma/ioat.c b/drivers/dma/ioat.c
index ed83dd9..22e9f19 100644
--- a/drivers/dma/ioat.c
+++ b/drivers/dma/ioat.c
@@ -98,13 +98,13 @@
 	if (err)
 		goto err_request_regions;
 
-	err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
+	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
 	if (err)
 		err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
 	if (err)
 		goto err_set_dma_mask;
 
-	err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+	err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
 	if (err)
 		err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
 	if (err)