stm32_firewall_controller_unregister
stm32_firewall_controller_unregister(dbg_controller);
stm32_firewall_controller_unregister(dbg_controller);
EXPORT_SYMBOL_GPL(stm32_firewall_controller_unregister);
void stm32_firewall_controller_unregister(struct stm32_firewall_controller *firewall_controller);