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/message/i2o/memory.c b/drivers/message/i2o/memory.c
index 9a08d8e..292b41e 100644
--- a/drivers/message/i2o/memory.c
+++ b/drivers/message/i2o/memory.c
@@ -187,7 +187,7 @@
 	mutex_lock(&mem_lock);
 	if ((sizeof(dma_addr_t) > 4) && (pdev->dma_mask == DMA_BIT_MASK(64))) {
 		dma_64 = 1;
-		if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
+		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
 			mutex_unlock(&mem_lock);
 			return -ENOMEM;
 		}