[PATCH] Intruduce DMA_28BIT_MASK

This patch introduces the DMA_28BIT_MASK constant in dma-mapping.h
ALSA drivers using this mask are changed to use the new constant.

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 2 insertions, 1 deletions

diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c
index 31a3e8e1b234..f679779d96e3 100644
--- a/sound/pci/pcxhr/pcxhr.c
+++ b/sound/pci/pcxhr/pcxhr.c
@@ -26,6 +26,7 @@
 #include <linux/interrupt.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/delay.h>
 #include <linux/moduleparam.h>
 #include <linux/mutex.h>
@@ -1217,7 +1218,7 @@ static int __devinit pcxhr_probe(struct pci_dev *pci, const struct pci_device_id
         pci_set_master(pci);
 
         /* check if we can restrict PCI DMA transfers to 32 bits */
-        if (pci_set_dma_mask(pci, 0xffffffff) < 0) {
+        if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0) {
                 snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
                 pci_disable_device(pci);
                 return -ENXIO;