139 	struct videobuf_dma_sg_memory *mem = buf->priv;  in videobuf_to_dma()  local
140 	BUG_ON(!mem);  in videobuf_to_dma()
142 	MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in videobuf_to_dma()
144 	return &mem->dma;  in videobuf_to_dma()
398 	struct videobuf_dma_sg_memory *mem;  in videobuf_vm_close()  local
411 			mem = q->bufs[i]->priv;  in videobuf_vm_close()
412 			if (!mem)  in videobuf_vm_close()
415 			MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in videobuf_vm_close()
470 	struct videobuf_dma_sg_memory *mem;  in __videobuf_alloc_vb()  local
473 	vb = kzalloc(size + sizeof(*mem), GFP_KERNEL);  in __videobuf_alloc_vb()
477 	mem = vb->priv = ((char *)vb) + size;  in __videobuf_alloc_vb()
478 	mem->magic = MAGIC_SG_MEM;  in __videobuf_alloc_vb()
480 	videobuf_dma_init(&mem->dma);  in __videobuf_alloc_vb()
484 		mem, (long)sizeof(*mem));  in __videobuf_alloc_vb()
491 	struct videobuf_dma_sg_memory *mem = buf->priv;  in __videobuf_to_vaddr()  local
492 	BUG_ON(!mem);  in __videobuf_to_vaddr()
494 	MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in __videobuf_to_vaddr()
496 	return mem->dma.vaddr;  in __videobuf_to_vaddr()
505 	struct videobuf_dma_sg_memory *mem = vb->priv;  in __videobuf_iolock()  local
506 	BUG_ON(!mem);  in __videobuf_iolock()
508 	MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in __videobuf_iolock()
510 	if (!mem->dma.dev)  in __videobuf_iolock()
511 		mem->dma.dev = q->dev;  in __videobuf_iolock()
513 		WARN_ON(mem->dma.dev != q->dev);  in __videobuf_iolock()
521 			err = videobuf_dma_init_kernel(&mem->dma,  in __videobuf_iolock()
528 			err = videobuf_dma_init_user(&mem->dma,  in __videobuf_iolock()
539 			err = videobuf_dma_init_user_locked(&mem->dma,  in __videobuf_iolock()
557 		err = videobuf_dma_init_overlay(&mem->dma, DMA_FROM_DEVICE,  in __videobuf_iolock()
565 	err = videobuf_dma_map(q->dev, &mem->dma);  in __videobuf_iolock()
575 	struct videobuf_dma_sg_memory *mem = buf->priv;  in __videobuf_sync()  local
576 	BUG_ON(!mem || !mem->dma.sglen);  in __videobuf_sync()
578 	MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in __videobuf_sync()
579 	MAGIC_CHECK(mem->dma.magic, MAGIC_DMABUF);  in __videobuf_sync()
581 	dma_sync_sg_for_cpu(q->dev, mem->dma.sglist,  in __videobuf_sync()
582 			    mem->dma.sglen, mem->dma.direction);  in __videobuf_sync()
591 	struct videobuf_dma_sg_memory *mem = buf->priv;  in __videobuf_mmap_mapper()  local
598 	BUG_ON(!mem);  in __videobuf_mmap_mapper()
599 	MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in __videobuf_mmap_mapper()