ulite_request_port 383 drivers/tty/serial/uartlite.c if (!ulite_request_port(port)) ulite_request_port 436 drivers/tty/serial/uartlite.c .request_port = ulite_request_port, ulite_request_port 528 drivers/tty/serial/uartlite.c if (ulite_request_port(port))