136 	struct videobuf_dma_sg_memory *mem = buf->priv;  in videobuf_to_dma()  local
137 	BUG_ON(!mem);  in videobuf_to_dma()
139 	MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in videobuf_to_dma()
141 	return &mem->dma;  in videobuf_to_dma()
394 	struct videobuf_dma_sg_memory *mem;  in videobuf_vm_close()  local
407 			mem = q->bufs[i]->priv;  in videobuf_vm_close()
408 			if (!mem)  in videobuf_vm_close()
411 			MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in videobuf_vm_close()
465 	struct videobuf_dma_sg_memory *mem;  in __videobuf_alloc_vb()  local
468 	vb = kzalloc(size + sizeof(*mem), GFP_KERNEL);  in __videobuf_alloc_vb()
472 	mem = vb->priv = ((char *)vb) + size;  in __videobuf_alloc_vb()
473 	mem->magic = MAGIC_SG_MEM;  in __videobuf_alloc_vb()
475 	videobuf_dma_init(&mem->dma);  in __videobuf_alloc_vb()
479 		mem, (long)sizeof(*mem));  in __videobuf_alloc_vb()
486 	struct videobuf_dma_sg_memory *mem = buf->priv;  in __videobuf_to_vaddr()  local
487 	BUG_ON(!mem);  in __videobuf_to_vaddr()
489 	MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in __videobuf_to_vaddr()
491 	return mem->dma.vaddr;  in __videobuf_to_vaddr()
498 	struct videobuf_dma_sg_memory *mem = vb->priv;  in __videobuf_iolock()  local
503 	BUG_ON(!mem);  in __videobuf_iolock()
505 	MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in __videobuf_iolock()
507 	if (!mem->dma.dev)  in __videobuf_iolock()
508 		mem->dma.dev = q->dev;  in __videobuf_iolock()
510 		WARN_ON(mem->dma.dev != q->dev);  in __videobuf_iolock()
518 			err = videobuf_dma_init_kernel(&mem->dma,  in __videobuf_iolock()
525 			err = videobuf_dma_init_user(&mem->dma,  in __videobuf_iolock()
536 			err = videobuf_dma_init_user_locked(&mem->dma,  in __videobuf_iolock()
554 		err = videobuf_dma_init_overlay(&mem->dma, DMA_FROM_DEVICE,  in __videobuf_iolock()
562 	err = videobuf_dma_map(q->dev, &mem->dma);  in __videobuf_iolock()
572 	struct videobuf_dma_sg_memory *mem = buf->priv;  in __videobuf_sync()  local
573 	BUG_ON(!mem || !mem->dma.sglen);  in __videobuf_sync()
575 	MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in __videobuf_sync()
576 	MAGIC_CHECK(mem->dma.magic, MAGIC_DMABUF);  in __videobuf_sync()
578 	dma_sync_sg_for_cpu(q->dev, mem->dma.sglist,  in __videobuf_sync()
579 			    mem->dma.nr_pages, mem->dma.direction);  in __videobuf_sync()
588 	struct videobuf_dma_sg_memory *mem = buf->priv;  in __videobuf_mmap_mapper()  local
595 	BUG_ON(!mem);  in __videobuf_mmap_mapper()
596 	MAGIC_CHECK(mem->magic, MAGIC_SG_MEM);  in __videobuf_mmap_mapper()