310 		struct tty_struct	*tty;  in gs_start_rx()  local
360 	struct tty_struct	*tty;  in gs_rx_push()  local
588 static int gs_open(struct tty_struct *tty, struct file *file)  in gs_open()
670 static void gs_close(struct tty_struct *tty, struct file *file)  in gs_close()
729 static int gs_write(struct tty_struct *tty, const unsigned char *buf, int count)  in gs_write()
748 static int gs_put_char(struct tty_struct *tty, unsigned char ch)  in gs_put_char()
764 static void gs_flush_chars(struct tty_struct *tty)  in gs_flush_chars()
777 static int gs_write_room(struct tty_struct *tty)  in gs_write_room()
794 static int gs_chars_in_buffer(struct tty_struct *tty)  in gs_chars_in_buffer()
811 static void gs_unthrottle(struct tty_struct *tty)  in gs_unthrottle()
828 static int gs_break_ctl(struct tty_struct *tty, int duration)  in gs_break_ctl()