1056 	struct dma_async_tx_descriptor *txd;  in ntb_async_rx()  local
1099 	txd = device->device_prep_dma_memcpy(chan, unmap->addr[1],  in ntb_async_rx()
1102 	if (!txd)  in ntb_async_rx()
1105 	txd->callback = ntb_rx_copy_callback;  in ntb_async_rx()
1106 	txd->callback_param = entry;  in ntb_async_rx()
1107 	dma_set_unmap(txd, unmap);  in ntb_async_rx()
1109 	cookie = dmaengine_submit(txd);  in ntb_async_rx()
1275 	struct dma_async_tx_descriptor *txd;  in ntb_async_tx()  local
1319 	txd = device->device_prep_dma_memcpy(chan, dest, unmap->addr[0], len,  in ntb_async_tx()
1321 	if (!txd)  in ntb_async_tx()
1324 	txd->callback = ntb_tx_copy_callback;  in ntb_async_tx()
1325 	txd->callback_param = entry;  in ntb_async_tx()
1326 	dma_set_unmap(txd, unmap);  in ntb_async_tx()
1328 	cookie = dmaengine_submit(txd);  in ntb_async_tx()