156 struct pci_bus *pci_find_next_bus(const struct pci_bus *from)  in pci_find_next_bus()  argument
163 	n = from ? from->node.next : pci_root_buses.next;  in pci_find_next_bus()
261 					 struct pci_dev *from)  in pci_get_dev_by_id()  argument
268 	if (from)  in pci_get_dev_by_id()
269 		dev_start = &from->dev;  in pci_get_dev_by_id()
274 	pci_dev_put(from);  in pci_get_dev_by_id()
296 			       struct pci_dev *from)  in pci_get_subsys()  argument
305 	return pci_get_dev_by_id(&id, from);  in pci_get_subsys()
324 			       struct pci_dev *from)  in pci_get_device()  argument
326 	return pci_get_subsys(vendor, device, PCI_ANY_ID, PCI_ANY_ID, from);  in pci_get_device()
344 struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from)  in pci_get_class()  argument
355 	return pci_get_dev_by_id(&id, from);  in pci_get_class()