builtin_serial_mux_driver 549 drivers/tty/serial/mux.c static struct parisc_driver builtin_serial_mux_driver __refdata = { builtin_serial_mux_driver 570 drivers/tty/serial/mux.c register_parisc_driver(&builtin_serial_mux_driver); builtin_serial_mux_driver 601 drivers/tty/serial/mux.c unregister_parisc_driver(&builtin_serial_mux_driver);