TTY_PORT_CTS_FLOW  610 include/linux/tty.h 	return test_bit(TTY_PORT_CTS_FLOW, &port->iflags);
TTY_PORT_CTS_FLOW  616 include/linux/tty.h 		set_bit(TTY_PORT_CTS_FLOW, &port->iflags);
TTY_PORT_CTS_FLOW  618 include/linux/tty.h 		clear_bit(TTY_PORT_CTS_FLOW, &port->iflags);