pl011_unregister_port 2613 drivers/tty/serial/amba-pl011.c 		pl011_unregister_port(uap);
pl011_unregister_port 2660 drivers/tty/serial/amba-pl011.c 	pl011_unregister_port(uap);
pl011_unregister_port 2755 drivers/tty/serial/amba-pl011.c 	pl011_unregister_port(uap);