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/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
index 8f34f3d..f82b0ee 100644
--- a/arch/ia64/kernel/pci-dma.c
+++ b/arch/ia64/kernel/pci-dma.c
@@ -37,7 +37,7 @@
    to i386. */
 struct device fallback_dev = {
 	.init_name = "fallback device",
-	.coherent_dma_mask = DMA_32BIT_MASK,
+	.coherent_dma_mask = DMA_BIT_MASK(32),
 	.dma_mask = &fallback_dev.coherent_dma_mask,
 };