4 * sub bus (transparent) will use entres from 3 to store extra from
5 * root, so need to make sure we have enough slot there.
12 struct pci_root_info {
13 struct list_head list;
15 struct list_head resources;
21 extern struct list_head pci_root_infos;
22 struct pci_root_info *alloc_pci_root_info(int bus_min, int bus_max,
24 extern void update_res(struct pci_root_info *info, resource_size_t start,
25 resource_size_t end, unsigned long flags, int merge);