1 files changed, 10 insertions, 3 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index e86a580b72e1..226e550ae2ea 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -213,7 +213,11 @@ struct class_device {
         struct class_device_attribute uevent_attr;
         struct device           * dev;          /* not necessary, but nice to have */
         void                    * class_data;   /* class-specific data */
+        struct class_device     *parent;        /* parent of this child device, if there is one */
 
+        void    (*release)(struct class_device *dev);
+        int     (*hotplug)(struct class_device *dev, char **envp,
+                           int num_envp, char *buffer, int buffer_size);
         char    class_id[BUS_ID_SIZE];  /* unique to this class */
 };
 
@@ -261,9 +265,12 @@ extern void class_interface_unregister(struct class_interface *);
 
 extern struct class *class_create(struct module *owner, char *name);
 extern void class_destroy(struct class *cls);
-extern struct class_device *class_device_create(struct class *cls, dev_t devt,
-                                                struct device *device, char *fmt, ...)
-                                        __attribute__((format(printf,4,5)));
+extern struct class_device *class_device_create(struct class *cls,
+                                                struct class_device *parent,
+                                                dev_t devt,
+                                                struct device *device,
+                                                char *fmt, ...)
+                                        __attribute__((format(printf,5,6)));
 extern void class_device_destroy(struct class *cls, dev_t devt);