tty/serial/serial_core.c

213 	if (!tty || uport->type == PORT_UNKNOWN)
258 	if (uport->type == PORT_UNKNOWN)
944 		if (old_type != PORT_UNKNOWN && uport->ops->release_port)
957 		if (uport->type != PORT_UNKNOWN && uport->ops->request_port) {
976 			if (old_type != PORT_UNKNOWN) {
983 					uport->type = PORT_UNKNOWN;
1010 	if (uport->type == PORT_UNKNOWN)
1144 	if (uport->type != PORT_UNKNOWN && uport->ops->break_ctl)
1183 		if (uport->type != PORT_UNKNOWN && uport->ops->release_port)
1825 	if (port->type == PORT_UNKNOWN || port->fifosize == 0) {
2062 	if (uport->type == PORT_UNKNOWN) {
2623 			port->type = PORT_UNKNOWN;
2634 	if (port->type != PORT_UNKNOWN) {
2698 	if (!port || port->type == PORT_UNKNOWN ||
3285 	if (uport->type != PORT_UNKNOWN && uport->ops->release_port)
3293 	uport->type = PORT_UNKNOWN;