dma-mapping: replace all DMA_30BIT_MASK macro with DMA_BIT_MASK(30)

Replace all DMA_30BIT_MASK macro with DMA_BIT_MASK(30)

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/sis7019.c

@@ -1300,7 +1300,7 @@ static int __devinit sis_chip_create(struct snd_card *card,
 	if (rc)
 		goto error_out;
 
-	if (pci_set_dma_mask(pci, DMA_30BIT_MASK) < 0) {
+	if (pci_set_dma_mask(pci, DMA_BIT_MASK(30)) < 0) {
 		printk(KERN_ERR "sis7019: architecture does not support "
 					"30-bit PCI busmaster DMA");
 		goto error_out_enabled;

sound/pci/trident/trident_main.c

@@ -3559,8 +3559,8 @@ int __devinit snd_trident_create(struct snd_card *card,
 	if ((err = pci_enable_device(pci)) < 0)
 		return err;
 	/* check, if we can restrict PCI DMA transfers to 30 bits */
-	if (pci_set_dma_mask(pci, DMA_30BIT_MASK) < 0 ||
-	    pci_set_consistent_dma_mask(pci, DMA_30BIT_MASK) < 0) {
+	if (pci_set_dma_mask(pci, DMA_BIT_MASK(30)) < 0 ||
+	    pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(30)) < 0) {
 		snd_printk(KERN_ERR "architecture does not support 30bit PCI busmaster DMA\n");
 		pci_disable_device(pci);
 		return -ENXIO;