1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/base/core.c b/drivers/base/core.c
index d4f35d8902a2..dbcd40b987d2 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -384,6 +384,23 @@ void device_initialize(struct device *dev)
         device_init_wakeup(dev, 0);
 }
 
+static int virtual_device_parent(struct device *dev)
+{
+        if (!dev->class)
+                return -ENODEV;
+
+        if (!dev->class->virtual_dir) {
+                static struct kobject *virtual_dir = NULL;
+
+                if (!virtual_dir)
+                        virtual_dir = kobject_add_dir(&devices_subsys.kset.kobj, "virtual");
+                dev->class->virtual_dir = kobject_add_dir(virtual_dir, dev->class->name);
+        }
+
+        dev->kobj.parent = dev->class->virtual_dir;
+        return 0;
+}
+
 /**
  *      device_add - add device to device hierarchy.
  *      @dev:   device.