__pci_hp_initialize
result = __pci_hp_initialize(slot, bus, devnr, name, owner, mod_name);
EXPORT_SYMBOL_GPL(__pci_hp_initialize);
int __pci_hp_initialize(struct hotplug_slot *slot, struct pci_bus *bus, int nr,
__pci_hp_initialize(slot, bus, nr, name, THIS_MODULE, KBUILD_MODNAME)