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/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c
index 9b6011e..57cfbc3 100644
--- a/drivers/net/chelsio/cxgb2.c
+++ b/drivers/net/chelsio/cxgb2.c
@@ -1056,10 +1056,10 @@
 		goto out_disable_pdev;
 	}
 
-	if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
 		pci_using_dac = 1;
 
-		if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
+		if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
 			CH_ERR("%s: unable to obtain 64-bit DMA for "
 			       "consistent allocations\n", pci_name(pdev));
 			err = -ENODEV;