257 static void *sun6i_dma_lli_add(struct sun6i_dma_lli *prev,  in sun6i_dma_lli_add()  argument
262 	if ((!prev && !txd) || !next)  in sun6i_dma_lli_add()
265 	if (!prev) {  in sun6i_dma_lli_add()
269 		prev->p_lli_next = next_phy;  in sun6i_dma_lli_add()
270 		prev->v_lli_next = next;  in sun6i_dma_lli_add()
568 	struct sun6i_dma_lli *v_lli, *prev = NULL;  in sun6i_dma_prep_slave_sg()  local
628 		prev = sun6i_dma_lli_add(prev, v_lli, p_lli, txd);  in sun6i_dma_prep_slave_sg()
632 	for (prev = txd->v_lli; prev; prev = prev->v_lli_next)  in sun6i_dma_prep_slave_sg()
633 		sun6i_dma_dump_lli(vchan, prev);  in sun6i_dma_prep_slave_sg()
640 	for (prev = txd->v_lli; prev; prev = prev->v_lli_next)  in sun6i_dma_prep_slave_sg()
641 		dma_pool_free(sdev->pool, prev, virt_to_phys(prev));  in sun6i_dma_prep_slave_sg()