diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/pcm_native.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index e48c5f618578..29ab46a12e11 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -3070,6 +3070,16 @@ snd_pcm_default_page_ops(struct snd_pcm_substream *substream, unsigned long ofs) if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV) return virt_to_page(CAC_ADDR(vaddr)); #endif +#if defined(CONFIG_PPC32) && defined(CONFIG_NOT_COHERENT_CACHE) + if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV) { + dma_addr_t addr = substream->runtime->dma_addr + ofs; + addr -= get_dma_offset(substream->dma_buffer.dev.dev); + /* assume dma_handle set via pfn_to_phys() in + * mm/dma-noncoherent.c + */ + return pfn_to_page(addr >> PAGE_SHIFT); + } +#endif return virt_to_page(vaddr); } |