1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index c5d6bb4290ad..9c88b1e34bc3 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -52,6 +52,11 @@ int device_bind_driver(struct device *dev)
 
         pr_debug("bound device '%s' to driver '%s'\n",
                  dev->bus_id, dev->driver->name);
+
+        if (dev->bus)
+                blocking_notifier_call_chain(&dev->bus->bus_notifier,
+                                             BUS_NOTIFY_BOUND_DRIVER, dev);
+
         klist_add_tail(&dev->knode_driver, &dev->driver->klist_devices);
         ret = sysfs_create_link(&dev->driver->kobj, &dev->kobj,
                           kobject_name(&dev->kobj));
@@ -288,6 +293,11 @@ static void __device_release_driver(struct device * dev)
                 sysfs_remove_link(&dev->kobj, "driver");
                 klist_remove(&dev->knode_driver);
 
+                if (dev->bus)
+                        blocking_notifier_call_chain(&dev->bus->bus_notifier,
+                                                     BUS_NOTIFY_UNBIND_DRIVER,
+                                                     dev);
+
                 if (dev->bus && dev->bus->remove)
                         dev->bus->remove(dev);
                 else if (drv->remove)