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-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);