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/block/umem.c b/drivers/block/umem.c
index e93e99c..9744d59 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -830,7 +830,7 @@
 	  "Micro Memory(tm) controller found (PCI Mem Module (Battery Backup))\n");
 
 	if (pci_set_dma_mask(dev, DMA_BIT_MASK(64)) &&
-	    pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
+	    pci_set_dma_mask(dev, DMA_BIT_MASK(32))) {
 		dev_printk(KERN_WARNING, &dev->dev, "NO suitable DMA found\n");
 		return  -ENOMEM;
 	}