diff options
Diffstat (limited to 'sound/core/memalloc.c')
| -rw-r--r-- | sound/core/memalloc.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c index d1fcd1d5adae..6fd763d4d15b 100644 --- a/sound/core/memalloc.c +++ b/sound/core/memalloc.c @@ -511,7 +511,8 @@ static void *snd_dma_noncontig_alloc(struct snd_dma_buffer *dmab, size_t size) DEFAULT_GFP, 0); if (!sgt) return NULL; - dmab->dev.need_sync = dma_need_sync(dmab->dev.dev, dmab->dev.dir); + dmab->dev.need_sync = dma_need_sync(dmab->dev.dev, + sg_dma_address(sgt->sgl)); p = dma_vmap_noncontiguous(dmab->dev.dev, size, sgt); if (p) dmab->private_data = sgt; @@ -540,9 +541,9 @@ static void snd_dma_noncontig_sync(struct snd_dma_buffer *dmab, if (mode == SNDRV_DMA_SYNC_CPU) { if (dmab->dev.dir == DMA_TO_DEVICE) return; + invalidate_kernel_vmap_range(dmab->area, dmab->bytes); dma_sync_sgtable_for_cpu(dmab->dev.dev, dmab->private_data, dmab->dev.dir); - invalidate_kernel_vmap_range(dmab->area, dmab->bytes); } else { if (dmab->dev.dir == DMA_FROM_DEVICE) return; @@ -671,9 +672,13 @@ static const struct snd_malloc_ops snd_dma_sg_wc_ops = { */ static void *snd_dma_noncoherent_alloc(struct snd_dma_buffer *dmab, size_t size) { - dmab->dev.need_sync = dma_need_sync(dmab->dev.dev, dmab->dev.dir); - return dma_alloc_noncoherent(dmab->dev.dev, size, &dmab->addr, - dmab->dev.dir, DEFAULT_GFP); + void *p; + + p = dma_alloc_noncoherent(dmab->dev.dev, size, &dmab->addr, + dmab->dev.dir, DEFAULT_GFP); + if (p) + dmab->dev.need_sync = dma_need_sync(dmab->dev.dev, dmab->addr); + return p; } static void snd_dma_noncoherent_free(struct snd_dma_buffer *dmab) |