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Diffstat (limited to 'sound/core/pcm_native.c')
-rw-r--r--sound/core/pcm_native.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 053c6d612a2a..17935746eb18 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3200,9 +3200,7 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
long size;
unsigned long offset;
-#ifdef pgprot_noncached
area->vm_page_prot = pgprot_noncached(area->vm_page_prot);
-#endif
area->vm_flags |= VM_IO;
size = area->vm_end - area->vm_start;
offset = area->vm_pgoff << PAGE_SHIFT;
@@ -3216,6 +3214,15 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
EXPORT_SYMBOL(snd_pcm_lib_mmap_iomem);
#endif /* SNDRV_PCM_INFO_MMAP */
+/* mmap callback with pgprot_noncached */
+int snd_pcm_lib_mmap_noncached(struct snd_pcm_substream *substream,
+ struct vm_area_struct *area)
+{
+ area->vm_page_prot = pgprot_noncached(area->vm_page_prot);
+ return snd_pcm_default_mmap(substream, area);
+}
+EXPORT_SYMBOL(snd_pcm_lib_mmap_noncached);
+
/*
* mmap DMA buffer
*/