unregister_lte_tty_device  552 drivers/staging/gdm724x/gdm_mux.c 	unregister_lte_tty_device(tty_dev);
unregister_lte_tty_device  573 drivers/staging/gdm724x/gdm_mux.c 	unregister_lte_tty_device(tty_dev);
unregister_lte_tty_device   57 drivers/staging/gdm724x/gdm_tty.h void unregister_lte_tty_device(struct tty_dev *tty_dev);