174 	return list_entry(dc->active_list.prev,  in txx9dmac_last_active()
186 		desc = list_entry(desc->tx_list.prev, typeof(*desc), desc_node);  in txx9dmac_last_child()
435 	struct txx9dmac_desc *prev = NULL;  in txx9dmac_dequeue()  local
440 		if (prev) {  in txx9dmac_dequeue()
441 			desc_write_CHAR(dc, prev, desc->txd.phys);  in txx9dmac_dequeue()
443 				prev->txd.phys, ddev->descsize,  in txx9dmac_dequeue()
446 		prev = txx9dmac_last_child(desc);  in txx9dmac_dequeue()
723 	struct txx9dmac_desc *prev;  in txx9dmac_prep_dma_memcpy()  local
735 	prev = first = NULL;  in txx9dmac_prep_dma_memcpy()
785 			desc_write_CHAR(dc, prev, desc->txd.phys);  in txx9dmac_prep_dma_memcpy()
787 					prev->txd.phys, ddev->descsize,  in txx9dmac_prep_dma_memcpy()
791 		prev = desc;  in txx9dmac_prep_dma_memcpy()
796 		txx9dmac_desc_set_INTENT(ddev, prev);  in txx9dmac_prep_dma_memcpy()
798 	desc_write_CHAR(dc, prev, 0);  in txx9dmac_prep_dma_memcpy()
800 			prev->txd.phys, ddev->descsize,  in txx9dmac_prep_dma_memcpy()
817 	struct txx9dmac_desc *prev;  in txx9dmac_prep_slave_sg()  local
832 	prev = first = NULL;  in txx9dmac_prep_slave_sg()
879 			desc_write_CHAR(dc, prev, desc->txd.phys);  in txx9dmac_prep_slave_sg()
881 					prev->txd.phys,  in txx9dmac_prep_slave_sg()
886 		prev = desc;  in txx9dmac_prep_slave_sg()
891 		txx9dmac_desc_set_INTENT(ddev, prev);  in txx9dmac_prep_slave_sg()
893 	desc_write_CHAR(dc, prev, 0);  in txx9dmac_prep_slave_sg()
895 			prev->txd.phys, ddev->descsize,  in txx9dmac_prep_slave_sg()
947 				   struct txx9dmac_desc *prev)  in txx9dmac_chain_dynamic()  argument
953 	prev = txx9dmac_last_child(prev);  in txx9dmac_chain_dynamic()
956 	desc_write_CHAR(dc, prev, desc->txd.phys);  in txx9dmac_chain_dynamic()
958 				   prev->txd.phys, ddev->descsize,  in txx9dmac_chain_dynamic()
962 	    channel_read_CHAR(dc) == prev->txd.phys)  in txx9dmac_chain_dynamic()
981 			struct txx9dmac_desc *prev = txx9dmac_last_active(dc);  in txx9dmac_issue_pending()  local
983 			if (!(prev->txd.flags & DMA_PREP_INTERRUPT) ||  in txx9dmac_issue_pending()
985 				txx9dmac_chain_dynamic(dc, prev);  in txx9dmac_issue_pending()