3 files changed, 15 insertions, 0 deletions

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 45c93b39af35..43ece5d41d36 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -673,6 +673,8 @@ add_dev:
         ret = device_register(&child->dev);
         WARN_ON(ret < 0);
 
+        pcibios_add_bus(child);
+
         /* Create legacy_io and legacy_mem files for this bus */
         pci_create_legacy_files(child);
 
@@ -1660,6 +1662,14 @@ int __weak pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
         return 0;
 }
 
+void __weak pcibios_add_bus(struct pci_bus *bus)
+{
+}
+
+void __weak pcibios_remove_bus(struct pci_bus *bus)
+{
+}
+
 struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
                 struct pci_ops *ops, void *sysdata, struct list_head *resources)
 {
@@ -1714,6 +1724,8 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
         if (error)
                 goto class_dev_reg_err;
 
+        pcibios_add_bus(b);
+
         /* Create legacy_io and legacy_mem files for this bus */
         pci_create_legacy_files(b);
 
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index a8318801c092..8fc54b7327bc 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -51,6 +51,7 @@ void pci_remove_bus(struct pci_bus *bus)
         pci_bus_release_busn_res(bus);
         up_write(&pci_bus_sem);
         pci_remove_legacy_files(bus);
+        pcibios_remove_bus(bus);
         device_unregister(&bus->dev);
 }
 EXPORT_SYMBOL(pci_remove_bus);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 2461033a7987..be9399452133 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -678,6 +678,8 @@ extern struct list_head pci_root_buses;	/* list of all known PCI buses */
 extern int no_pci_devices(void);
 
 void pcibios_resource_survey_bus(struct pci_bus *bus);
+void pcibios_add_bus(struct pci_bus *bus);
+void pcibios_remove_bus(struct pci_bus *bus);
 void pcibios_fixup_bus(struct pci_bus *);
 int __must_check pcibios_enable_device(struct pci_dev *, int mask);
 /* Architecture specific versions may override this (weak) */