68 	struct scatterlist *sglist;  in videobuf_vmalloc_to_sg()  local
72 	sglist = vzalloc(nr_pages * sizeof(*sglist));  in videobuf_vmalloc_to_sg()
73 	if (NULL == sglist)  in videobuf_vmalloc_to_sg()
75 	sg_init_table(sglist, nr_pages);  in videobuf_vmalloc_to_sg()
81 		sg_set_page(&sglist[i], pg, PAGE_SIZE, 0);  in videobuf_vmalloc_to_sg()
83 	return sglist;  in videobuf_vmalloc_to_sg()
86 	vfree(sglist);  in videobuf_vmalloc_to_sg()
98 	struct scatterlist *sglist;  in videobuf_pages_to_sg()  local
103 	sglist = vmalloc(nr_pages * sizeof(*sglist));  in videobuf_pages_to_sg()
104 	if (NULL == sglist)  in videobuf_pages_to_sg()
106 	sg_init_table(sglist, nr_pages);  in videobuf_pages_to_sg()
111 	sg_set_page(&sglist[0], pages[0],  in videobuf_pages_to_sg()
119 		sg_set_page(&sglist[i], pages[i], min_t(size_t, PAGE_SIZE, size), 0);  in videobuf_pages_to_sg()
122 	return sglist;  in videobuf_pages_to_sg()
126 	vfree(sglist);  in videobuf_pages_to_sg()
131 	vfree(sglist);  in videobuf_pages_to_sg()
257 		dma->sglist = videobuf_pages_to_sg(dma->pages, dma->nr_pages,  in videobuf_dma_map()
261 		dma->sglist = videobuf_vmalloc_to_sg(dma->vaddr,  in videobuf_dma_map()
265 		dma->sglist = vmalloc(sizeof(*dma->sglist));  in videobuf_dma_map()
266 		if (NULL != dma->sglist) {  in videobuf_dma_map()
268 			sg_dma_address(&dma->sglist[0])	= dma->bus_addr  in videobuf_dma_map()
270 			dma->sglist[0].offset = dma->bus_addr & ~PAGE_MASK;  in videobuf_dma_map()
271 			sg_dma_len(&dma->sglist[0]) = dma->nr_pages * PAGE_SIZE;  in videobuf_dma_map()
274 	if (NULL == dma->sglist) {  in videobuf_dma_map()
279 		dma->sglen = dma_map_sg(dev, dma->sglist,  in videobuf_dma_map()
284 			vfree(dma->sglist);  in videobuf_dma_map()
285 			dma->sglist = NULL;  in videobuf_dma_map()
302 	dma_unmap_sg(dev, dma->sglist, dma->sglen, dma->direction);  in videobuf_dma_unmap()
304 	vfree(dma->sglist);  in videobuf_dma_unmap()
305 	dma->sglist = NULL;  in videobuf_dma_unmap()
530 	dma_sync_sg_for_cpu(q->dev, mem->dma.sglist,  in __videobuf_sync()