Merge branch 'topic/yinghai-busn-alloc' into next

* topic/yinghai-busn-alloc: (33 commits)
  PCI: hotplug: remove pci_do_scan_bus()
  PCI: sgihp: use generic pci_hp_add_bridge()
  PCI: ibmhp: use generic pci_hp_add_bridge()
  PCI: cpqhp: use generic pci_hp_add_bridge()
  PCI: shpchp: use generic pci_hp_add_bridge()
  PCI: cpci_hotplug: use generic pci_hp_add_bridge()
  PCI: pciehp: use generic pci_hp_add_bridge()
  PCI: add generic pci_hp_add_bridge()
  PCI: sgihp: register busn_res
  PCI: ibmhp: register busn_res
  PCI: cpqhp: register busn_res
  PCI: shpchp: register busn_res
  PCI: cpci_hotplug: register busn_res
  PCI: insert busn_res for child bus
  PCI: register busn_res for iov bus
  tile/PCI: use pci_scan_root_bus instead pci_scan_bus
  parisc/PCI: register busn_res for root buses
  powerpc/PCI: register busn_res for root buses
  sparc/PCI: register busn_res for root buses
  ia64/PCI: register busn_res for root buses
  ...

1 files changed, 6 insertions, 2 deletions

diff --git a/include/linux/pci.h b/include/linux/pci.h
index d8c379dba6ad..8c8b44d62105 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -368,6 +368,8 @@ static inline int pci_channel_offline(struct pci_dev *pdev)
         return (pdev->error_state != pci_channel_io_normal);
 }
 
+extern struct resource busn_resource;
+
 struct pci_host_bridge_window {
         struct list_head list;
         struct resource *res;           /* host bridge aperture (CPU address) */
@@ -419,6 +421,7 @@ struct pci_bus {
         struct list_head slots;         /* list of slots on this bus */
         struct resource *resource[PCI_BRIDGE_RESOURCE_NUM];
         struct list_head resources;     /* address space routed to this bus */
+        struct resource busn_res;       /* bus numbers routed to this bus */
 
         struct pci_ops  *ops;           /* configuration access functions */
         void            *sysdata;       /* hook for sys-specific extension */
@@ -426,8 +429,6 @@ struct pci_bus {
 
         unsigned char   number;         /* bus number */
         unsigned char   primary;        /* number of primary bridge */
-        unsigned char   secondary;      /* number of secondary bridge */
-        unsigned char   subordinate;    /* max number of subordinate buses */
         unsigned char   max_bus_speed;  /* enum pci_bus_speed */
         unsigned char   cur_bus_speed;  /* enum pci_bus_speed */
 
@@ -668,6 +669,9 @@ struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata);
 struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
                                     struct pci_ops *ops, void *sysdata,
                                     struct list_head *resources);
+int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int busmax);
+int pci_bus_update_busn_res_end(struct pci_bus *b, int busmax);
+void pci_bus_release_busn_res(struct pci_bus *b);
 struct pci_bus * __devinit pci_scan_root_bus(struct device *parent, int bus,
                                              struct pci_ops *ops, void *sysdata,
                                              struct list_head *resources);