+static void pci_stop_bus_devices(struct pci_bus *bus)
+{
+ struct list_head *l, *n;
+
+ list_for_each_safe(l, n, &bus->devices) {
+ struct pci_dev *dev = pci_dev_b(l);
+ pci_stop_bus_device(dev);
+ }
+}
+
+/**
+ * pci_stop_bus_device - stop a PCI device and any children
+ * @dev: the device to stop
+ *
+ * Stop a PCI device (detach the driver, remove from the global list
+ * and so on). This also stop any subordinate buses and children in a
+ * depth-first manner.
+ */
+void pci_stop_bus_device(struct pci_dev *dev)
+{
+ if (dev->subordinate)
+ pci_stop_bus_devices(dev->subordinate);
+
+ pci_stop_dev(dev);
+}
+