diff options
Diffstat (limited to 'drivers/media/video/videobuf-dma-sg.c')
| -rw-r--r-- | drivers/media/video/videobuf-dma-sg.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index f733833a021..b49f1e23298 100644 --- a/drivers/media/video/videobuf-dma-sg.c +++ b/drivers/media/video/videobuf-dma-sg.c @@ -279,17 +279,6 @@ int videobuf_dma_map(struct videobuf_queue *q, struct videobuf_dmabuf *dma) } EXPORT_SYMBOL_GPL(videobuf_dma_map); -int videobuf_dma_sync(struct videobuf_queue *q, struct videobuf_dmabuf *dma) -{ - MAGIC_CHECK(dma->magic, MAGIC_DMABUF); - BUG_ON(!dma->sglen); - - dma_sync_sg_for_cpu(q->dev, dma->sglist, dma->nr_pages, dma->direction); - - return 0; -} -EXPORT_SYMBOL_GPL(videobuf_dma_sync); - int videobuf_dma_unmap(struct videobuf_queue *q, struct videobuf_dmabuf *dma) { MAGIC_CHECK(dma->magic, MAGIC_DMABUF); @@ -542,10 +531,15 @@ static int __videobuf_sync(struct videobuf_queue *q, struct videobuf_buffer *buf) { struct videobuf_dma_sg_memory *mem = buf->priv; - BUG_ON(!mem); + BUG_ON(!mem || !mem->dma.sglen); + MAGIC_CHECK(mem->magic, MAGIC_SG_MEM); + MAGIC_CHECK(mem->dma.magic, MAGIC_DMABUF); - return videobuf_dma_sync(q, &mem->dma); + dma_sync_sg_for_cpu(q->dev, mem->dma.sglist, + mem->dma.nr_pages, mem->dma.direction); + + return 0; } static int __videobuf_mmap_mapper(struct videobuf_queue *q, |