1223 	struct dma_async_tx_descriptor *txd;  in ntb_async_rx()  local
1266 	txd = device->device_prep_dma_memcpy(chan, unmap->addr[1],  in ntb_async_rx()
1269 	if (!txd)  in ntb_async_rx()
1272 	txd->callback = ntb_rx_copy_callback;  in ntb_async_rx()
1273 	txd->callback_param = entry;  in ntb_async_rx()
1274 	dma_set_unmap(txd, unmap);  in ntb_async_rx()
1276 	cookie = dmaengine_submit(txd);  in ntb_async_rx()
1453 	struct dma_async_tx_descriptor *txd;  in ntb_async_tx()  local
1497 	txd = device->device_prep_dma_memcpy(chan, dest, unmap->addr[0], len,  in ntb_async_tx()
1499 	if (!txd)  in ntb_async_tx()
1502 	txd->callback = ntb_tx_copy_callback;  in ntb_async_tx()
1503 	txd->callback_param = entry;  in ntb_async_tx()
1504 	dma_set_unmap(txd, unmap);  in ntb_async_tx()
1506 	cookie = dmaengine_submit(txd);  in ntb_async_tx()