pci_hp_deregister - deregister a hotplug_slot with the PCI hotplug subsystem
int pci_hp_deregister (struct hotplug_slot *slot);
slot pointer to the struct hotplug_slot to deregister
The slot must have been registered with the pci hotplug subsystem previously with a call to pci_hp_register. Returns 0 if successful, anything else for an error.