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/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 9d5f97d..ce72928 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -4998,9 +4998,9 @@
 
 	pci_set_master(pdev);
 
-	err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 	if (!err)
-		err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+		err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 	if (err) {
 		IWL_WARN(priv, "No suitable DMA available.\n");
 		goto out_pci_disable_device;