PCI: Export pci_find_host_bridge() for use inside PCI core

The find_pci_host_bridge() function can be useful to other PCI code so
export it.  Change its name to pci_find_host_bridge().

Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

2 files changed, 5 insertions, 3 deletions

diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c
index 39b2dbe585aa..30211c617400 100644
--- a/drivers/pci/host-bridge.c
+++ b/drivers/pci/host-bridge.c
@@ -16,7 +16,7 @@ static struct pci_bus *find_pci_root_bus(struct pci_bus *bus)
         return bus;
 }
 
-static struct pci_host_bridge *find_pci_host_bridge(struct pci_bus *bus)
+struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus)
 {
         struct pci_bus *root_bus = find_pci_root_bus(bus);
 
@@ -34,7 +34,7 @@ void pci_set_host_bridge_release(struct pci_host_bridge *bridge,
 void pcibios_resource_to_bus(struct pci_bus *bus, struct pci_bus_region *region,
                              struct resource *res)
 {
-        struct pci_host_bridge *bridge = find_pci_host_bridge(bus);
+        struct pci_host_bridge *bridge = pci_find_host_bridge(bus);
         struct resource_entry *window;
         resource_size_t offset = 0;
 
@@ -59,7 +59,7 @@ static bool region_contains(struct pci_bus_region *region1,
 void pcibios_bus_to_resource(struct pci_bus *bus, struct resource *res,
                              struct pci_bus_region *region)
 {
-        struct pci_host_bridge *bridge = find_pci_host_bridge(bus);
+        struct pci_host_bridge *bridge = pci_find_host_bridge(bus);
         struct resource_entry *window;
         resource_size_t offset = 0;
 
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 4091f82239cd..d72f849174a4 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -321,4 +321,6 @@ static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe)
 }
 #endif
 
+struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus);
+
 #endif /* DRIVERS_PCI_H */