diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 742cbe6b042b..efd00de183b1 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -320,6 +320,10 @@ static void __device_release_driver(struct device *dev)
 		devres_release_all(dev);
 		dev->driver = NULL;
 		klist_remove(&dev->p->knode_driver);
+		if (dev->bus)
+			blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
+						     BUS_NOTIFY_UNBOUND_DRIVER,
+						     dev);
 	}
 }
 
diff --git a/include/linux/device.h b/include/linux/device.h
index a4a7b10aaa48..4410464b134a 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -114,6 +114,8 @@ extern int bus_unregister_notifier(struct bus_type *bus,
 #define BUS_NOTIFY_BOUND_DRIVER		0x00000003 /* driver bound to device */
 #define BUS_NOTIFY_UNBIND_DRIVER	0x00000004 /* driver about to be
 						      unbound */
+#define BUS_NOTIFY_UNBOUND_DRIVER	0x00000005 /* driver is unbound
+						      from the device */
 
 extern struct kset *bus_get_kset(struct bus_type *bus);
 extern struct klist *bus_get_device_klist(struct bus_type *bus);