Revert "device: add device_shutdown_one() helper"

This reverts commit 565759fe2df8d553e8d8910e9d7f2032e9c9355c.
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/base/core.c

@@ -2854,40 +2854,6 @@ int device_move(struct device *dev, struct device *new_parent,
 }
 EXPORT_SYMBOL_GPL(device_move);
 
-static void device_shutdown_one(struct device *dev, struct device *parent)
-{
-	/* hold lock to avoid race with probe/release */
-	if (parent)
-		device_lock(parent);
-	device_lock(dev);
-
-	/* Don't allow any more runtime suspends */
-	pm_runtime_get_noresume(dev);
-	pm_runtime_barrier(dev);
-
-	if (dev->class && dev->class->shutdown_pre) {
-		if (initcall_debug)
-			dev_info(dev, "shutdown_pre\n");
-		dev->class->shutdown_pre(dev);
-	}
-	if (dev->bus && dev->bus->shutdown) {
-		if (initcall_debug)
-			dev_info(dev, "shutdown\n");
-		dev->bus->shutdown(dev);
-	} else if (dev->driver && dev->driver->shutdown) {
-		if (initcall_debug)
-			dev_info(dev, "shutdown\n");
-		dev->driver->shutdown(dev);
-	}
-
-	device_unlock(dev);
-	if (parent)
-		device_unlock(parent);
-
-	put_device(dev);
-	put_device(parent);
-}
-
 /**
  * device_shutdown - call ->shutdown() on each device to shutdown.
  */
@@ -2922,7 +2888,36 @@ void device_shutdown(void)
 		list_del_init(&dev->kobj.entry);
 		spin_unlock(&devices_kset->list_lock);
 
-		device_shutdown_one(dev, parent);
+		/* hold lock to avoid race with probe/release */
+		if (parent)
+			device_lock(parent);
+		device_lock(dev);
+
+		/* Don't allow any more runtime suspends */
+		pm_runtime_get_noresume(dev);
+		pm_runtime_barrier(dev);
+
+		if (dev->class && dev->class->shutdown_pre) {
+			if (initcall_debug)
+				dev_info(dev, "shutdown_pre\n");
+			dev->class->shutdown_pre(dev);
+		}
+		if (dev->bus && dev->bus->shutdown) {
+			if (initcall_debug)
+				dev_info(dev, "shutdown\n");
+			dev->bus->shutdown(dev);
+		} else if (dev->driver && dev->driver->shutdown) {
+			if (initcall_debug)
+				dev_info(dev, "shutdown\n");
+			dev->driver->shutdown(dev);
+		}
+
+		device_unlock(dev);
+		if (parent)
+			device_unlock(parent);
+
+		put_device(dev);
+		put_device(parent);
 
 		spin_lock(&devices_kset->list_lock);
 	}