446 	struct dma_async_tx_descriptor *tx = NULL;  in scif_sync_dma()  local
459 	tx = ddev->device_prep_dma_memcpy(chan, 0, 0, 0, flags);  in scif_sync_dma()
460 	if (!tx) {  in scif_sync_dma()
466 	cookie = tx->tx_submit(tx);  in scif_sync_dma()
512 	struct dma_async_tx_descriptor *tx = NULL;  in scif_async_dma()  local
526 	tx = ddev->device_prep_dma_memcpy(chan, 0, 0, 0, flags);  in scif_async_dma()
527 	if (!tx) {  in scif_async_dma()
534 	tx->callback = scif_dma_callback;  in scif_async_dma()
535 	tx->callback_param = &done_wait;  in scif_async_dma()
536 	cookie = tx->tx_submit(tx);  in scif_async_dma()
913 	struct dma_async_tx_descriptor *tx;  in scif_rma_list_dma_copy_unaligned()  local
987 				tx =  in scif_rma_list_dma_copy_unaligned()
994 				if (!tx) {  in scif_rma_list_dma_copy_unaligned()
998 				cookie = tx->tx_submit(tx);  in scif_rma_list_dma_copy_unaligned()
1011 				tx =  in scif_rma_list_dma_copy_unaligned()
1016 				if (!tx) {  in scif_rma_list_dma_copy_unaligned()
1020 				cookie = tx->tx_submit(tx);  in scif_rma_list_dma_copy_unaligned()
1027 				tx =  in scif_rma_list_dma_copy_unaligned()
1032 				if (!tx) {  in scif_rma_list_dma_copy_unaligned()
1036 				cookie = tx->tx_submit(tx);  in scif_rma_list_dma_copy_unaligned()
1044 			tx = dev->device_prep_dma_memcpy(chan, temp_dma_addr,  in scif_rma_list_dma_copy_unaligned()
1046 			if (!tx) {  in scif_rma_list_dma_copy_unaligned()
1050 			cookie = tx->tx_submit(tx);  in scif_rma_list_dma_copy_unaligned()
1096 	tx = dev->device_prep_dma_memcpy(chan, 0, 0, 0, DMA_PREP_INTERRUPT);  in scif_rma_list_dma_copy_unaligned()
1097 	if (!tx) {  in scif_rma_list_dma_copy_unaligned()
1101 	tx->callback = &scif_rma_completion_cb;  in scif_rma_list_dma_copy_unaligned()
1102 	tx->callback_param = comp_cb;  in scif_rma_list_dma_copy_unaligned()
1103 	cookie = tx->tx_submit(tx);  in scif_rma_list_dma_copy_unaligned()
1136 	struct dma_async_tx_descriptor *tx;  in _scif_rma_list_dma_copy_aligned()  local
1178 			tx = dev->device_prep_dma_memcpy(chan, dst_dma_addr,  in _scif_rma_list_dma_copy_aligned()
1182 			if (!tx) {  in _scif_rma_list_dma_copy_aligned()
1186 			cookie = tx->tx_submit(tx);  in _scif_rma_list_dma_copy_aligned()
1199 			tx = dev->device_prep_dma_memcpy(chan, dst_dma_addr,  in _scif_rma_list_dma_copy_aligned()
1201 			if (!tx) {  in _scif_rma_list_dma_copy_aligned()
1205 			cookie = tx->tx_submit(tx);  in _scif_rma_list_dma_copy_aligned()
1212 			tx = dev->device_prep_dma_memcpy(chan, dst_dma_addr,  in _scif_rma_list_dma_copy_aligned()
1214 			if (!tx) {  in _scif_rma_list_dma_copy_aligned()
1218 			cookie = tx->tx_submit(tx);  in _scif_rma_list_dma_copy_aligned()
1256 	struct dma_async_tx_descriptor *tx;  in scif_rma_list_dma_copy_aligned()  local
1349 			tx = dev->device_prep_dma_memcpy(chan, dst_dma_addr,  in scif_rma_list_dma_copy_aligned()
1354 			if (!tx) {  in scif_rma_list_dma_copy_aligned()
1358 			cookie = tx->tx_submit(tx);  in scif_rma_list_dma_copy_aligned()
1372 			tx = dev->device_prep_dma_memcpy(chan, dst_dma_addr,  in scif_rma_list_dma_copy_aligned()
1375 			if (!tx) {  in scif_rma_list_dma_copy_aligned()
1379 			cookie = tx->tx_submit(tx);  in scif_rma_list_dma_copy_aligned()
1386 			tx = dev->device_prep_dma_memcpy(chan, dst_dma_addr,  in scif_rma_list_dma_copy_aligned()
1389 			if (!tx) {  in scif_rma_list_dma_copy_aligned()
1393 			cookie = tx->tx_submit(tx);  in scif_rma_list_dma_copy_aligned()