62  * @tx: the new operation
66 			struct dma_async_tx_descriptor *tx)  in async_tx_channel_switch()  argument
74 	if (txd_parent(depend_tx) && depend_tx->chan == tx->chan) {  in async_tx_channel_switch()
75 		txd_chain(depend_tx, tx);  in async_tx_channel_switch()
100 		txd_chain(intr_tx, tx);  in async_tx_channel_switch()
121 		tx->tx_submit(tx);  in async_tx_channel_switch()
143 async_tx_submit(struct dma_chan *chan, struct dma_async_tx_descriptor *tx,  in async_tx_submit()  argument
148 	tx->callback = submit->cb_fn;  in async_tx_submit()
149 	tx->callback_param = submit->cb_param;  in async_tx_submit()
161 		       txd_parent(tx));  in async_tx_submit()
173 				txd_chain(depend_tx, tx);  in async_tx_submit()
192 			async_tx_channel_switch(depend_tx, tx);  in async_tx_submit()
195 			txd_clear_parent(tx);  in async_tx_submit()
196 			tx->tx_submit(tx);  in async_tx_submit()
200 		txd_clear_parent(tx);  in async_tx_submit()
201 		tx->tx_submit(tx);  in async_tx_submit()
205 		async_tx_ack(tx);  in async_tx_submit()
225 	struct dma_async_tx_descriptor *tx;  in async_trigger_callback()  local
238 		tx = device ? device->device_prep_dma_interrupt(chan, 0) : NULL;  in async_trigger_callback()
240 		tx = NULL;  in async_trigger_callback()
242 	if (tx) {  in async_trigger_callback()
245 		async_tx_submit(chan, tx, submit);  in async_trigger_callback()
255 	return tx;  in async_trigger_callback()
260  * async_tx_quiesce - ensure tx is complete and freeable upon return
261  * @tx: transaction to quiesce
263 void async_tx_quiesce(struct dma_async_tx_descriptor **tx)  in async_tx_quiesce()  argument
265 	if (*tx) {  in async_tx_quiesce()
269 		BUG_ON(async_tx_test_ack(*tx));  in async_tx_quiesce()
270 		if (dma_wait_for_async_tx(*tx) != DMA_COMPLETE)  in async_tx_quiesce()
273 		async_tx_ack(*tx);  in async_tx_quiesce()
274 		*tx = NULL;  in async_tx_quiesce()