cpci_hp_unregister_controller
int cpci_hp_unregister_controller(struct cpci_hp_controller *controller);
EXPORT_SYMBOL_GPL(cpci_hp_unregister_controller);
cpci_hp_unregister_controller(&generic_hpc);
cpci_hp_unregister_controller(&generic_hpc);
cpci_hp_unregister_controller(&zt5550_hpc);
cpci_hp_unregister_controller(&zt5550_hpc);