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-rw-r--r--sound/core/Makefile3
-rw-r--r--sound/core/memalloc.c6
2 files changed, 8 insertions, 1 deletions
diff --git a/sound/core/Makefile b/sound/core/Makefile
index 5a01c76d02e8..05f5cdca655c 100644
--- a/sound/core/Makefile
+++ b/sound/core/Makefile
@@ -14,7 +14,8 @@ endif
snd-pcm-objs := pcm.o pcm_native.o pcm_lib.o pcm_timer.o pcm_misc.o \
pcm_memory.o
-snd-page-alloc-objs := memalloc.o sgbuf.o
+snd-page-alloc-y := memalloc.o
+snd-page-alloc-$(CONFIG_HAS_DMA) += sgbuf.o
snd-rawmidi-objs := rawmidi.o
snd-timer-objs := timer.o
diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c
index 9b5656d8bcca..6f99b6f54870 100644
--- a/sound/core/memalloc.c
+++ b/sound/core/memalloc.c
@@ -206,6 +206,7 @@ void snd_free_pages(void *ptr, size_t size)
*
*/
+#ifdef CONFIG_HAS_DMA
/* allocate the coherent DMA pages */
static void *snd_malloc_dev_pages(struct device *dev, size_t size, dma_addr_t *dma)
{
@@ -239,6 +240,7 @@ static void snd_free_dev_pages(struct device *dev, size_t size, void *ptr,
dec_snd_pages(pg);
dma_free_coherent(dev, PAGE_SIZE << pg, ptr, dma);
}
+#endif /* CONFIG_HAS_DMA */
#ifdef CONFIG_SBUS
@@ -312,12 +314,14 @@ int snd_dma_alloc_pages(int type, struct device *device, size_t size,
dmab->area = snd_malloc_sbus_pages(device, size, &dmab->addr);
break;
#endif
+#ifdef CONFIG_HAS_DMA
case SNDRV_DMA_TYPE_DEV:
dmab->area = snd_malloc_dev_pages(device, size, &dmab->addr);
break;
case SNDRV_DMA_TYPE_DEV_SG:
snd_malloc_sgbuf_pages(device, size, dmab, NULL);
break;
+#endif
default:
printk(KERN_ERR "snd-malloc: invalid device type %d\n", type);
dmab->area = NULL;
@@ -383,12 +387,14 @@ void snd_dma_free_pages(struct snd_dma_buffer *dmab)
snd_free_sbus_pages(dmab->dev.dev, dmab->bytes, dmab->area, dmab->addr);
break;
#endif
+#ifdef CONFIG_HAS_DMA
case SNDRV_DMA_TYPE_DEV:
snd_free_dev_pages(dmab->dev.dev, dmab->bytes, dmab->area, dmab->addr);
break;
case SNDRV_DMA_TYPE_DEV_SG:
snd_free_sgbuf_pages(dmab);
break;
+#endif
default:
printk(KERN_ERR "snd-malloc: invalid device type %d\n", dmab->dev.type);
}