[PATCH] PCI: export pci_scan_child_bus for the pci hotplug drivers to use

Signed-off-by: Linda Xie lxie@us.ibm.com
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/pci/probe.c

@@ -326,7 +326,7 @@ struct pci_bus * __devinit pci_add_new_bus(struct pci_bus *parent, struct pci_de
 	return child;
 }
 
-static unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus);
+unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus);
 
 /*
  * If it's a bridge, configure it and scan the bus behind it.
@@ -694,7 +694,7 @@ int __devinit pci_scan_slot(struct pci_bus *bus, int devfn)
 	return nr;
 }
 
-static unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus)
+unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus)
 {
 	unsigned int devfn, pass, max = bus->secondary;
 	struct pci_dev *dev;
@@ -801,4 +801,5 @@ EXPORT_SYMBOL(pci_do_scan_bus);
 EXPORT_SYMBOL(pci_scan_slot);
 EXPORT_SYMBOL(pci_scan_bridge);
 EXPORT_SYMBOL(pci_scan_single_device);
+EXPORT_SYMBOL_GPL(pci_scan_child_bus);
 #endif

include/linux/pci.h

@@ -659,6 +659,7 @@ static inline struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *s
 }
 int pci_scan_slot(struct pci_bus *bus, int devfn);
 struct pci_dev * pci_scan_single_device(struct pci_bus *bus, int devfn);
+unsigned int pci_scan_child_bus(struct pci_bus *bus);
 void pci_bus_add_devices(struct pci_bus *bus);
 void pci_name_device(struct pci_dev *dev);
 char *pci_class_name(u32 class);