[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, 4 insertions, 3 deletions

diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c
index a208075cdc1e..2aa5a7fdb6e0 100644
--- a/sound/pci/ad1889.c
+++ b/sound/pci/ad1889.c
@@ -34,6 +34,7 @@
 
 #include <linux/init.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/compiler.h>
@@ -909,10 +910,10 @@ snd_ad1889_create(struct snd_card *card,
 
         if ((err = pci_enable_device(pci)) < 0)
                 return err;
-        
+
         /* check PCI availability (32bit DMA) */
-        if (pci_set_dma_mask(pci, 0xffffffff) < 0 ||
-            pci_set_consistent_dma_mask(pci, 0xffffffff) < 0) {
+        if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0 ||
+            pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) < 0) {
                 printk(KERN_ERR PFX "error setting 32-bit DMA mask.\n");
                 pci_disable_device(pci);
                 return -ENXIO;