Input: remove private member from input_dev structure

Everyone should be using input_{get|set}_drvdata() by now.
Alias them to dev_{get|set}_drvdata() and remove ->private.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/input-polldev.c

@@ -73,7 +73,7 @@ static void input_polled_device_work(struct work_struct *work)
 
 static int input_open_polled_device(struct input_dev *input)
 {
-	struct input_polled_dev *dev = input->private;
+	struct input_polled_dev *dev = input_get_drvdata(input);
 	int error;
 
 	error = input_polldev_start_workqueue();
@@ -91,7 +91,7 @@ static int input_open_polled_device(struct input_dev *input)
 
 static void input_close_polled_device(struct input_dev *input)
 {
-	struct input_polled_dev *dev = input->private;
+	struct input_polled_dev *dev = input_get_drvdata(input);
 
 	cancel_delayed_work_sync(&dev->work);
 	input_polldev_stop_workqueue();
@@ -151,10 +151,10 @@ int input_register_polled_device(struct input_polled_dev *dev)
 {
 	struct input_dev *input = dev->input;
 
+	input_set_drvdata(input, dev);
 	INIT_DELAYED_WORK(&dev->work, input_polled_device_work);
 	if (!dev->poll_interval)
 		dev->poll_interval = 500;
-	input->private = dev;
 	input->open = input_open_polled_device;
 	input->close = input_close_polled_device;
 

include/linux/input.h

@@ -1025,10 +1025,6 @@ struct ff_effect {
  * @node: used to place the device onto input_dev_list
  */
 struct input_dev {
-	/* private: */
-	void *private;	/* do not use */
-	/* public: */
-
 	const char *name;
 	const char *phys;
 	const char *uniq;
@@ -1238,12 +1234,12 @@ static inline void input_put_device(struct input_dev *dev)
 
 static inline void *input_get_drvdata(struct input_dev *dev)
 {
-	return dev->private;
+	return dev_get_drvdata(&dev->dev);
 }
 
 static inline void input_set_drvdata(struct input_dev *dev, void *data)
 {
-	dev->private = data;
+	dev_set_drvdata(&dev->dev, data);
 }
 
 int __must_check input_register_device(struct input_dev *);