diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c
index 5ed3a63794522ae0fbca00d787daf6a780aaf717..9db0a9e3e59c3981109b65f58d1de8e6369fdc91 100644
--- a/drivers/block/sx8.c
+++ b/drivers/block/sx8.c
@@ -26,6 +26,7 @@
 #include <linux/delay.h>
 #include <linux/time.h>
 #include <linux/hdreg.h>
+#include <linux/dma-mapping.h>
 #include <asm/io.h>
 #include <asm/semaphore.h>
 #include <asm/uaccess.h>
@@ -1582,9 +1583,9 @@ static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto err_out;
 
 #if IF_64BIT_DMA_IS_POSSIBLE /* grrrr... */
-	rc = pci_set_dma_mask(pdev, 0xffffffffffffffffULL);
+	rc = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
 	if (!rc) {
-		rc = pci_set_consistent_dma_mask(pdev, 0xffffffffffffffffULL);
+		rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
 		if (rc) {
 			printk(KERN_ERR DRV_NAME "(%s): consistent DMA mask failure\n",
 				pci_name(pdev));
@@ -1593,7 +1594,7 @@ static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 		pci_dac = 1;
 	} else {
 #endif
-		rc = pci_set_dma_mask(pdev, 0xffffffffULL);
+		rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
 		if (rc) {
 			printk(KERN_ERR DRV_NAME "(%s): DMA mask failure\n",
 				pci_name(pdev));
diff --git a/sound/oss/via82cxxx_audio.c b/sound/oss/via82cxxx_audio.c
index b387e1e524859ce38a8c1dddf2a247d3a6381ed0..83edda93f0b478fd9c05ff3928610027c01e38ed 100644
--- a/sound/oss/via82cxxx_audio.c
+++ b/sound/oss/via82cxxx_audio.c
@@ -35,6 +35,7 @@
 #include <linux/smp_lock.h>
 #include <linux/ioport.h>
 #include <linux/delay.h>
+#include <linux/dma-mapping.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/semaphore.h>
@@ -3391,10 +3392,10 @@ static int __devinit via_init_one (struct pci_dev *pdev, const struct pci_device
 	if (rc)
 		goto err_out_disable;
 
-	rc = pci_set_dma_mask(pdev, 0xffffffffULL);
+	rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
 	if (rc)
 		goto err_out_res;
-	rc = pci_set_consistent_dma_mask(pdev, 0xffffffffULL);
+	rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
 	if (rc)
 		goto err_out_res;