942 	struct xgene_dma_desc_sw *first = NULL, *new;  in xgene_dma_prep_memcpy()  local
953 		new = xgene_dma_alloc_descriptor(chan);  in xgene_dma_prep_memcpy()
954 		if (!new)  in xgene_dma_prep_memcpy()
961 		xgene_dma_prep_cpy_desc(chan, new, dst, src, copy);  in xgene_dma_prep_memcpy()
964 			first = new;  in xgene_dma_prep_memcpy()
966 		new->tx.cookie = 0;  in xgene_dma_prep_memcpy()
967 		async_tx_ack(&new->tx);  in xgene_dma_prep_memcpy()
975 		list_add_tail(&new->node, &first->tx_list);  in xgene_dma_prep_memcpy()
978 	new->tx.flags = flags; /* client is in control of this ack */  in xgene_dma_prep_memcpy()
979 	new->tx.cookie = -EBUSY;  in xgene_dma_prep_memcpy()
980 	list_splice(&first->tx_list, &new->tx_list);  in xgene_dma_prep_memcpy()
982 	return &new->tx;  in xgene_dma_prep_memcpy()
997 	struct xgene_dma_desc_sw *first = NULL, *new = NULL;  in xgene_dma_prep_sg()  local
1032 		new = xgene_dma_alloc_descriptor(chan);  in xgene_dma_prep_sg()
1033 		if (!new)  in xgene_dma_prep_sg()
1037 		xgene_dma_prep_cpy_desc(chan, new, dst, src, len);  in xgene_dma_prep_sg()
1040 			first = new;  in xgene_dma_prep_sg()
1042 		new->tx.cookie = 0;  in xgene_dma_prep_sg()
1043 		async_tx_ack(&new->tx);  in xgene_dma_prep_sg()
1050 		list_add_tail(&new->node, &first->tx_list);  in xgene_dma_prep_sg()
1084 	if (!new)  in xgene_dma_prep_sg()
1087 	new->tx.flags = flags; /* client is in control of this ack */  in xgene_dma_prep_sg()
1088 	new->tx.cookie = -EBUSY;  in xgene_dma_prep_sg()
1089 	list_splice(&first->tx_list, &new->tx_list);  in xgene_dma_prep_sg()
1091 	return &new->tx;  in xgene_dma_prep_sg()
1104 	struct xgene_dma_desc_sw *first = NULL, *new;  in xgene_dma_prep_xor()  local
1116 		new = xgene_dma_alloc_descriptor(chan);  in xgene_dma_prep_xor()
1117 		if (!new)  in xgene_dma_prep_xor()
1121 		xgene_dma_prep_xor_desc(chan, new, &dst, src,  in xgene_dma_prep_xor()
1125 			first = new;  in xgene_dma_prep_xor()
1127 		new->tx.cookie = 0;  in xgene_dma_prep_xor()
1128 		async_tx_ack(&new->tx);  in xgene_dma_prep_xor()
1131 		list_add_tail(&new->node, &first->tx_list);  in xgene_dma_prep_xor()
1134 	new->tx.flags = flags; /* client is in control of this ack */  in xgene_dma_prep_xor()
1135 	new->tx.cookie = -EBUSY;  in xgene_dma_prep_xor()
1136 	list_splice(&first->tx_list, &new->tx_list);  in xgene_dma_prep_xor()
1138 	return &new->tx;  in xgene_dma_prep_xor()
1152 	struct xgene_dma_desc_sw *first = NULL, *new;  in xgene_dma_prep_pq()  local
1178 		new = xgene_dma_alloc_descriptor(chan);  in xgene_dma_prep_pq()
1179 		if (!new)  in xgene_dma_prep_pq()
1183 			first = new;  in xgene_dma_prep_pq()
1185 		new->tx.cookie = 0;  in xgene_dma_prep_pq()
1186 		async_tx_ack(&new->tx);  in xgene_dma_prep_pq()
1189 		list_add_tail(&new->node, &first->tx_list);  in xgene_dma_prep_pq()
1196 			xgene_dma_prep_xor_desc(chan, new, &dst[0], src,  in xgene_dma_prep_pq()
1206 			xgene_dma_prep_xor_desc(chan, new, &dst[1], _src,  in xgene_dma_prep_pq()
1211 	new->tx.flags = flags; /* client is in control of this ack */  in xgene_dma_prep_pq()
1212 	new->tx.cookie = -EBUSY;  in xgene_dma_prep_pq()
1213 	list_splice(&first->tx_list, &new->tx_list);  in xgene_dma_prep_pq()
1215 	return &new->tx;  in xgene_dma_prep_pq()