1 files changed, 36 insertions, 0 deletions

diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index 513972f3ed13..7c0fd9252e6f 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -111,3 +111,39 @@ void pci_stop_and_remove_bus_device(struct pci_dev *dev)
         pci_remove_bus_device(dev);
 }
 EXPORT_SYMBOL(pci_stop_and_remove_bus_device);
+
+void pci_stop_root_bus(struct pci_bus *bus)
+{
+        struct pci_dev *child, *tmp;
+        struct pci_host_bridge *host_bridge;
+
+        if (!pci_is_root_bus(bus))
+                return;
+
+        host_bridge = to_pci_host_bridge(bus->bridge);
+        list_for_each_entry_safe_reverse(child, tmp,
+                                         &bus->devices, bus_list)
+                pci_stop_bus_device(child);
+
+        /* stop the host bridge */
+        device_del(&host_bridge->dev);
+}
+
+void pci_remove_root_bus(struct pci_bus *bus)
+{
+        struct pci_dev *child, *tmp;
+        struct pci_host_bridge *host_bridge;
+
+        if (!pci_is_root_bus(bus))
+                return;
+
+        host_bridge = to_pci_host_bridge(bus->bridge);
+        list_for_each_entry_safe(child, tmp,
+                                 &bus->devices, bus_list)
+                pci_remove_bus_device(child);
+        pci_remove_bus(bus);
+        host_bridge->bus = NULL;
+
+        /* remove the host bridge */
+        put_device(&host_bridge->dev);
+}