Input: remove cdev from input_dev structure

Cdev field was obsolete and provided only for backward compatibility
since conversion of input core from class devices to regular devices.
It is time to remove it.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/input.c b/drivers/input/input.c
index e1729e1..6ee8af8 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1395,9 +1395,6 @@
 	snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id),
 		 "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
 
-	if (dev->cdev.dev)
-		dev->dev.parent = dev->cdev.dev;
-
 	error = device_add(&dev->dev);
 	if (error)
 		return error;
diff --git a/include/linux/input.h b/include/linux/input.h
index 9a963fe..48937ff 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1018,7 +1018,6 @@
  * @going_away: marks devices that are in a middle of unregistering and
  *	causes input_open_device*() fail with -ENODEV.
  * @dev: driver model's view of this device
- * @cdev: union for struct device pointer
  * @h_list: list of input handles associated with the device. When
  *	accessing the list dev->mutex must be held
  * @node: used to place the device onto input_dev_list
@@ -1083,9 +1082,6 @@
 	int going_away;
 
 	struct device dev;
-	union {			/* temporarily so while we switching to struct device */
-		struct device *dev;
-	} cdev;
 
 	struct list_head	h_list;
 	struct list_head	node;