274 int line_setup_irq(int fd, int input, int output, struct line *line, void *data)  in line_setup_irq()  argument
280 		err = um_request_irq(driver->read_irq, fd, IRQ_READ,  in line_setup_irq()
286 		err = um_request_irq(driver->write_irq, fd, IRQ_WRITE,  in line_setup_irq()
597 	int fd;  member
619 	int fd = winch->fd;  in free_winch()  local
620 	winch->fd = -1;  in free_winch()
621 	if (fd != -1)  in free_winch()
622 		os_close_file(fd);  in free_winch()
632 	int fd = winch->fd;  in winch_interrupt()  local
637 	if (fd != -1) {  in winch_interrupt()
638 		err = generic_read(fd, &c, NULL);  in winch_interrupt()
641 				winch->fd = -1;  in winch_interrupt()
643 				os_close_file(fd);  in winch_interrupt()
669 	if (winch->fd != -1)  in winch_interrupt()
670 		reactivate_fd(winch->fd, WINCH_IRQ);  in winch_interrupt()
674 void register_winch_irq(int fd, int tty_fd, int pid, struct tty_port *port,  in register_winch_irq()  argument
686 				   .fd  	= fd,  in register_winch_irq()
692 	if (um_request_irq(WINCH_IRQ, fd, IRQ_READ, winch_interrupt,  in register_winch_irq()
709 	os_close_file(fd);  in register_winch_irq()