PCI: Export host bridge registration interface

Allow PCI host bridge drivers to use the new host bridge interfaces to
register their host bridge.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>

drivers/pci/probe.c

@@ -521,7 +521,7 @@ static void pci_release_host_bridge_dev(struct device *dev)
 	kfree(bridge);
 }
 
-static struct pci_host_bridge *pci_alloc_host_bridge(size_t priv)
+struct pci_host_bridge *pci_alloc_host_bridge(size_t priv)
 {
 	struct pci_host_bridge *bridge;
 
@@ -533,6 +533,7 @@ static struct pci_host_bridge *pci_alloc_host_bridge(size_t priv)
 
 	return bridge;
 }
+EXPORT_SYMBOL(pci_alloc_host_bridge);
 
 static const unsigned char pcix_bus_speed[] = {
 	PCI_SPEED_UNKNOWN,		/* 0 */
@@ -717,7 +718,7 @@ static void pci_set_bus_msi_domain(struct pci_bus *bus)
 	dev_set_msi_domain(&bus->dev, d);
 }
 
-static int pci_register_host_bridge(struct pci_host_bridge *bridge)
+int pci_register_host_bridge(struct pci_host_bridge *bridge)
 {
 	struct device *parent = bridge->dev.parent;
 	struct resource_entry *window, *n;
@@ -832,6 +833,7 @@ free:
 	kfree(bus);
 	return err;
 }
+EXPORT_SYMBOL(pci_register_host_bridge);
 
 static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
 					   struct pci_dev *bridge, int busnr)

include/linux/pci.h

@@ -449,6 +449,8 @@ static inline struct pci_host_bridge *pci_host_bridge_from_priv(void *priv)
 	return container_of(priv, struct pci_host_bridge, private);
 }
 
+struct pci_host_bridge *pci_alloc_host_bridge(size_t priv);
+int pci_register_host_bridge(struct pci_host_bridge *bridge);
 struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus);
 
 void pci_set_host_bridge_release(struct pci_host_bridge *bridge,