74 	struct dz_mux		*mux;  member
181 static inline void dz_receive_chars(struct dz_mux *mux)  in dz_receive_chars()  argument
184 	struct dz_port *dport = &mux->dport[0];  in dz_receive_chars()
192 		dport = &mux->dport[LINE(status)];  in dz_receive_chars()
245 			tty_flip_buffer_push(&mux->dport[i].port.state->port);  in dz_receive_chars()
255 static inline void dz_transmit_chars(struct dz_mux *mux)  in dz_transmit_chars()  argument
257 	struct dz_port *dport = &mux->dport[0];  in dz_transmit_chars()
263 	dport = &mux->dport[LINE(status)];  in dz_transmit_chars()
338 	struct dz_mux *mux = dev_id;  in dz_interrupt()  local
339 	struct dz_port *dport = &mux->dport[0];  in dz_interrupt()
346 		dz_receive_chars(mux);  in dz_interrupt()
349 		dz_transmit_chars(mux);  in dz_interrupt()
404 	struct dz_mux *mux = dport->mux;  in dz_startup()  local
410 	irq_guard = atomic_add_return(1, &mux->irq_guard);  in dz_startup()
415 			  IRQF_SHARED, "dz", mux);  in dz_startup()
417 		atomic_add(-1, &mux->irq_guard);  in dz_startup()
445 	struct dz_mux *mux = dport->mux;  in dz_shutdown()  local
454 	irq_guard = atomic_add_return(-1, &mux->irq_guard);  in dz_shutdown()
461 		free_irq(dport->port.irq, mux);  in dz_shutdown()
549 	struct dz_mux *mux = dport->mux;  in dz_reset()  local
551 	if (mux->initialised)  in dz_reset()
561 	mux->initialised = 1;  in dz_reset()
665 	struct dz_mux *mux = to_dport(uport)->mux;  in dz_release_port()  local
671 	map_guard = atomic_add_return(-1, &mux->map_guard);  in dz_release_port()
690 	struct dz_mux *mux = to_dport(uport)->mux;  in dz_request_port()  local
694 	map_guard = atomic_add_return(1, &mux->map_guard);  in dz_request_port()
698 			atomic_add(-1, &mux->map_guard);  in dz_request_port()
706 		map_guard = atomic_add_return(-1, &mux->map_guard);  in dz_request_port()
780 		dport->mux	= &dz_mux;  in dz_init_ports()