aboutsummaryrefslogtreecommitdiffstats
path: root/sound/core/pcm_native.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-21 13:16:56 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-21 13:16:56 -0400
commit12c71c4b601923a9cc28918e944ec1e8c65ddac9 (patch)
tree6644964fa831ea4f11451b05947da904726f76d5 /sound/core/pcm_native.c
parent830ac8524f301da8867400777d5c19e6d01ec525 (diff)
parentf86b11fbc772b5a4926855c6bc1ff3a3d99995a7 (diff)
Merge branch 'vm_ioremap_memory-examples'
I'm going to do an -rc8, so I'm just going to do this rather than delay it any further. They are arguably stable material anyway. * vm_ioremap_memory-examples: mtdchar: remove no-longer-used vma helpers vm: convert snd_pcm_lib_mmap_iomem() to vm_iomap_memory() helper vm: convert fb_mmap to vm_iomap_memory() helper vm: convert mtdchar mmap to vm_iomap_memory() helper vm: convert HPET mmap to vm_iomap_memory() helper
Diffstat (limited to 'sound/core/pcm_native.c')
-rw-r--r--sound/core/pcm_native.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 71ae86ca64ac..eb560fa32321 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3222,18 +3222,10 @@ EXPORT_SYMBOL_GPL(snd_pcm_lib_default_mmap);
3222int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream, 3222int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
3223 struct vm_area_struct *area) 3223 struct vm_area_struct *area)
3224{ 3224{
3225 long size; 3225 struct snd_pcm_runtime *runtime = substream->runtime;;
3226 unsigned long offset;
3227 3226
3228 area->vm_page_prot = pgprot_noncached(area->vm_page_prot); 3227 area->vm_page_prot = pgprot_noncached(area->vm_page_prot);
3229 area->vm_flags |= VM_IO; 3228 return vm_iomap_memory(area, runtime->dma_addr, runtime->dma_bytes);
3230 size = area->vm_end - area->vm_start;
3231 offset = area->vm_pgoff << PAGE_SHIFT;
3232 if (io_remap_pfn_range(area, area->vm_start,
3233 (substream->runtime->dma_addr + offset) >> PAGE_SHIFT,
3234 size, area->vm_page_prot))
3235 return -EAGAIN;
3236 return 0;
3237} 3229}
3238 3230
3239EXPORT_SYMBOL(snd_pcm_lib_mmap_iomem); 3231EXPORT_SYMBOL(snd_pcm_lib_mmap_iomem);