TTY_PORT_INITIALIZED 662 include/linux/tty.h return test_bit(TTY_PORT_INITIALIZED, &port->iflags); TTY_PORT_INITIALIZED 668 include/linux/tty.h set_bit(TTY_PORT_INITIALIZED, &port->iflags); TTY_PORT_INITIALIZED 670 include/linux/tty.h clear_bit(TTY_PORT_INITIALIZED, &port->iflags);