340 				struct at_xdmac_desc *first)  in at_xdmac_start_xfer()  argument
345 	dev_vdbg(chan2dev(&atchan->chan), "%s: desc 0x%p\n", __func__, first);  in at_xdmac_start_xfer()
351 	first->active_xfer = true;  in at_xdmac_start_xfer()
354 	reg = AT_XDMAC_CNDA_NDA(first->tx_dma_desc.phys)  in at_xdmac_start_xfer()
365 	else if (first->lld.mbr_ubc & AT_XDMAC_MBR_UBC_NDV3)  in at_xdmac_start_xfer()
375 	at_xdmac_chan_write(atchan, AT_XDMAC_CC, first->lld.mbr_cfg);  in at_xdmac_start_xfer()
639 	struct at_xdmac_desc		*first = NULL, *prev = NULL;  in at_xdmac_prep_slave_sg()  local
682 			if (first)  in at_xdmac_prep_slave_sg()
683 				list_splice_init(&first->descs_list, &atchan->free_descs_list);  in at_xdmac_prep_slave_sg()
714 		if (!first)  in at_xdmac_prep_slave_sg()
715 			first = desc;  in at_xdmac_prep_slave_sg()
718 			 __func__, desc, first);  in at_xdmac_prep_slave_sg()
719 		list_add_tail(&desc->desc_node, &first->descs_list);  in at_xdmac_prep_slave_sg()
724 	first->tx_dma_desc.flags = flags;  in at_xdmac_prep_slave_sg()
725 	first->xfer_size = xfer_size;  in at_xdmac_prep_slave_sg()
726 	first->direction = direction;  in at_xdmac_prep_slave_sg()
727 	ret = &first->tx_dma_desc;  in at_xdmac_prep_slave_sg()
741 	struct at_xdmac_desc	*first = NULL, *prev = NULL;  in at_xdmac_prep_dma_cyclic()  local
770 			if (first)  in at_xdmac_prep_dma_cyclic()
771 				list_splice_init(&first->descs_list, &atchan->free_descs_list);  in at_xdmac_prep_dma_cyclic()
802 		if (!first)  in at_xdmac_prep_dma_cyclic()
803 			first = desc;  in at_xdmac_prep_dma_cyclic()
806 			 __func__, desc, first);  in at_xdmac_prep_dma_cyclic()
807 		list_add_tail(&desc->desc_node, &first->descs_list);  in at_xdmac_prep_dma_cyclic()
810 	at_xdmac_queue_desc(chan, prev, first);  in at_xdmac_prep_dma_cyclic()
811 	first->tx_dma_desc.flags = flags;  in at_xdmac_prep_dma_cyclic()
812 	first->xfer_size = buf_len;  in at_xdmac_prep_dma_cyclic()
813 	first->direction = direction;  in at_xdmac_prep_dma_cyclic()
815 	return &first->tx_dma_desc;  in at_xdmac_prep_dma_cyclic()
941 	struct at_xdmac_desc	*prev = NULL, *first = NULL;  in at_xdmac_prep_interleaved()  local
965 		first = at_xdmac_interleaved_queue_desc(chan, atchan,  in at_xdmac_prep_interleaved()
972 			at_xdmac_increment_block_count(chan, first);  in at_xdmac_prep_interleaved()
975 			__func__, first, first);  in at_xdmac_prep_interleaved()
976 		list_add_tail(&first->desc_node, &first->descs_list);  in at_xdmac_prep_interleaved()
999 				list_splice_init(&first->descs_list,  in at_xdmac_prep_interleaved()
1004 			if (!first)  in at_xdmac_prep_interleaved()
1005 				first = desc;  in at_xdmac_prep_interleaved()
1008 				__func__, desc, first);  in at_xdmac_prep_interleaved()
1009 			list_add_tail(&desc->desc_node, &first->descs_list);  in at_xdmac_prep_interleaved()
1022 	first->tx_dma_desc.cookie = -EBUSY;  in at_xdmac_prep_interleaved()
1023 	first->tx_dma_desc.flags = flags;  in at_xdmac_prep_interleaved()
1024 	first->xfer_size = len;  in at_xdmac_prep_interleaved()
1026 	return &first->tx_dma_desc;  in at_xdmac_prep_interleaved()
1034 	struct at_xdmac_desc	*first = NULL, *prev = NULL;  in at_xdmac_prep_dma_memcpy()  local
1073 			if (first)  in at_xdmac_prep_dma_memcpy()
1074 				list_splice_init(&first->descs_list, &atchan->free_descs_list);  in at_xdmac_prep_dma_memcpy()
1115 		if (!first)  in at_xdmac_prep_dma_memcpy()
1116 			first = desc;  in at_xdmac_prep_dma_memcpy()
1119 			 __func__, desc, first);  in at_xdmac_prep_dma_memcpy()
1120 		list_add_tail(&desc->desc_node, &first->descs_list);  in at_xdmac_prep_dma_memcpy()
1123 	first->tx_dma_desc.flags = flags;  in at_xdmac_prep_dma_memcpy()
1124 	first->xfer_size = len;  in at_xdmac_prep_dma_memcpy()
1126 	return &first->tx_dma_desc;  in at_xdmac_prep_dma_memcpy()
1223 				*ppdesc = NULL, *first = NULL;  in at_xdmac_prep_dma_memset_sg()  local
1243 		if (!desc && first)  in at_xdmac_prep_dma_memset_sg()
1244 			list_splice_init(&first->descs_list,  in at_xdmac_prep_dma_memset_sg()
1247 		if (!first)  in at_xdmac_prep_dma_memset_sg()
1248 			first = desc;  in at_xdmac_prep_dma_memset_sg()
1325 					      &first->descs_list);  in at_xdmac_prep_dma_memset_sg()
1328 					__func__, desc, first);  in at_xdmac_prep_dma_memset_sg()
1371 	first->tx_dma_desc.cookie = -EBUSY;  in at_xdmac_prep_dma_memset_sg()
1372 	first->tx_dma_desc.flags = flags;  in at_xdmac_prep_dma_memset_sg()
1373 	first->xfer_size = len;  in at_xdmac_prep_dma_memset_sg()
1375 	return &first->tx_dma_desc;  in at_xdmac_prep_dma_memset_sg()