um/drivers/chan_kern.c

167 	struct line *line = container_of(work, struct line, task.work);
169 	if (!line->throttled)
170 		chan_interrupt(line, line->read_irq);
173 int enable_chan(struct line *line)
179 	INIT_DELAYED_WORK(&line->task, line_timer_cb);
181 	list_for_each(ele, &line->chan_list) {
195 				     line, chan);
205 	close_chan(line);
233 			um_free_irq(chan->line->read_irq, chan);
236 			um_free_irq(chan->line->write_irq, chan);
254 			um_free_irq(chan->line->read_irq, chan);
257 			um_free_irq(chan->line->write_irq, chan);
270 void close_chan(struct line *line)
279 	list_for_each_entry_reverse(chan, &line->chan_list, list) {
317 int console_open_chan(struct line *line, struct console *co)
321 	err = open_chan(&line->chan_list);
330 int chan_window_size(struct line *line, unsigned short *rows_out,
335 	chan = line->chan_in;
342 	chan = line->chan_out;
423 int chan_config_string(struct line *line, char *str, int size,
426 	struct chan *in = line->chan_in, *out = line->chan_out;
477 static struct chan *parse_chan(struct line *line, char *str, int device,
515 				 .line		= line,
528 int parse_chan_pair(char *str, struct line *line, int device,
531 	struct list_head *chans = &line->chan_list;
536 		line->chan_in = line->chan_out = NULL;
549 		new = parse_chan(line, in, device, opts, error_out);
555 		line->chan_in = new;
557 		new = parse_chan(line, out, device, opts, error_out);
563 		line->chan_out = new;
566 		new = parse_chan(line, str, device, opts, error_out);
573 		line->chan_in = line->chan_out = new;
578 void chan_interrupt(struct line *line, int irq)
580 	struct tty_port *port = &line->port;
581 	struct chan *chan = line->chan_in;
590 			schedule_delayed_work(&line->task, 1);
600 			tty_port_tty_hangup(&line->port, false);
601 			if (line->chan_out != chan)
602 				close_one_chan(line->chan_out, 1);