[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, 3 insertions, 2 deletions

diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index d3ef0cc6c4f9..8bc084956c28 100644
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -37,6 +37,7 @@
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/moduleparam.h>
@@ -2657,8 +2658,8 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
                 return -EIO;
 
         /* check, if we can restrict PCI DMA transfers to 28 bits */
-        if (pci_set_dma_mask(pci, 0x0fffffff) < 0 ||
-            pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) {
+        if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
+            pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
                 snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
                 pci_disable_device(pci);
                 return -ENXIO;