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authorTakashi Iwai <tiwai@suse.de>2010-01-21 15:27:28 +0100
committerTakashi Iwai <tiwai@suse.de>2010-01-21 15:27:28 +0100
commit6250b9ced23032789ca9739d6a53949637f9c836 (patch)
tree62379e6b563b45331f8d5d788e8ba7089b2fbaba /sound/core/pcm_native.c
parent8b296c8f9f660b70e958e6e6b9b4293e6ae854f2 (diff)
parentc32d977b8157bf67cdf47729ce7dd054a26eb534 (diff)
Merge branch 'topic/noncached-mmap' into topic/misc
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 43552fd73d24..b53fa845004d 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3165,9 +3165,7 @@ 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;
@@ -3181,6 +3179,15 @@ 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
*/