dma-mapping: replace all DMA_31BIT_MASK macro with DMA_BIT_MASK(31)

Replace all DMA_31BIT_MASK macro with DMA_BIT_MASK(31)

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>

sound/pci/ali5451/ali5451.c

@@ -2186,8 +2186,8 @@ static int __devinit snd_ali_create(struct snd_card *card,
 	if (err < 0)
 		return err;
 	/* check, if we can restrict PCI DMA transfers to 31 bits */
-	if (pci_set_dma_mask(pci, DMA_31BIT_MASK) < 0 ||
-	    pci_set_consistent_dma_mask(pci, DMA_31BIT_MASK) < 0) {
+	if (pci_set_dma_mask(pci, DMA_BIT_MASK(31)) < 0 ||
+	    pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(31)) < 0) {
 		snd_printk(KERN_ERR "architecture does not support "
 			   "31bit PCI busmaster DMA\n");
 		pci_disable_device(pci);