1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index ec90e79f6a00..987f5912720a 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -90,6 +90,9 @@ int __must_check bus_for_each_drv(struct bus_type *bus,
                                   struct device_driver *start, void *data,
                                   int (*fn)(struct device_driver *, void *));
 
+void bus_sort_breadthfirst(struct bus_type *bus,
+                           int (*compare)(const struct device *a,
+                                          const struct device *b));
 /*
  * Bus notifiers: Get notified of addition/removal of devices
  * and binding/unbinding of drivers to devices.