1 files changed, 7 insertions, 0 deletions

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 872887624030..20b5982c996b 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -36,6 +36,9 @@
 #include <sound/timer.h>
 #include <sound/minors.h>
 #include <asm/io.h>
+#if defined(CONFIG_MIPS) && defined(CONFIG_DMA_NONCOHERENT)
+#include <dma-coherence.h>
+#endif
 
 /*
  *  Compatibility
@@ -3184,6 +3187,10 @@ static int snd_pcm_default_mmap(struct snd_pcm_substream *substream,
                                          substream->runtime->dma_area,
                                          substream->runtime->dma_addr,
                                          area->vm_end - area->vm_start);
+#elif defined(CONFIG_MIPS) && defined(CONFIG_DMA_NONCOHERENT)
+        if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV &&
+            !plat_device_is_coherent(substream->dma_buffer.dev.dev))
+                area->vm_page_prot = pgprot_noncached(area->vm_page_prot);
 #endif /* ARCH_HAS_DMA_MMAP_COHERENT */
         /* mmap with fault handler */
         area->vm_ops = &snd_pcm_vm_ops_data_fault;