common/videobuf2/videobuf2-dma-sg.c

105 	struct sg_table *sgt;
145 	sgt = &buf->sg_table;
150 	if (dma_map_sgtable(buf->dev, sgt, buf->dma_dir,
182 	struct sg_table *sgt = &buf->sg_table;
188 		dma_unmap_sgtable(buf->dev, sgt, buf->dma_dir,
204 	struct sg_table *sgt = buf->dma_sgt;
209 	dma_sync_sgtable_for_device(buf->dev, sgt, buf->dma_dir);
215 	struct sg_table *sgt = buf->dma_sgt;
220 	dma_sync_sgtable_for_cpu(buf->dev, sgt, buf->dma_dir);
227 	struct sg_table *sgt;
260 	sgt = &buf->sg_table;
265 	if (dma_map_sgtable(buf->dev, sgt, buf->dma_dir,
287 	struct sg_table *sgt = &buf->sg_table;
292 	dma_unmap_sgtable(buf->dev, sgt, buf->dma_dir, DMA_ATTR_SKIP_CPU_SYNC);
364 	struct sg_table sgt;
374 	struct sg_table *sgt;
382 	sgt = &attach->sgt;
386 	ret = sg_alloc_table(sgt, buf->dma_sgt->orig_nents, GFP_KERNEL);
393 	wr = sgt->sgl;
394 	for (i = 0; i < sgt->orig_nents; ++i) {
410 	struct sg_table *sgt;
415 	sgt = &attach->sgt;
419 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir, 0);
420 	sg_free_table(sgt);
429 	struct sg_table *sgt;
431 	sgt = &attach->sgt;
434 		return sgt;
438 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir, 0);
443 	if (dma_map_sgtable(db_attach->dev, sgt, dma_dir, 0)) {
450 	return sgt;
454 	struct sg_table *sgt, enum dma_data_direction dma_dir)
470 	struct sg_table *sgt = buf->dma_sgt;
472 	dma_sync_sg_for_cpu(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir);
481 	struct sg_table *sgt = buf->dma_sgt;
483 	dma_sync_sg_for_device(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir);
554 	struct sg_table *sgt;
567 	sgt = dma_buf_map_attachment_unlocked(buf->db_attach, buf->dma_dir);
568 	if (IS_ERR(sgt)) {
573 	buf->dma_sgt = sgt;
582 	struct sg_table *sgt = buf->dma_sgt;
590 	if (WARN_ON(!sgt)) {
599 	dma_buf_unmap_attachment_unlocked(buf->db_attach, sgt, buf->dma_dir);