Input: add input_{get|set}_drvdata() helpers

Add helpers to set up and access driver-specific data in input
device structure. Once conversion to struct driver is complete
we will drop input_dev->private and will use dev_get_drvdata()
and dev_set_drvdata().

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/include/linux/input.h b/include/linux/input.h
index 9bd984b..d0bea97 100644 (file)
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1097,6 +1097,16 @@ static inline void input_put_device(struct input_dev *dev)
        class_device_put(&dev->cdev);
 }
 
+static inline void *input_get_drvdata(struct input_dev *dev)
+{
+       return dev->private;
+}
+
+static inline void input_set_drvdata(struct input_dev *dev, void *data)
+{
+       dev->private = data;
+}
+
 int input_register_device(struct input_dev *);
 void input_unregister_device(struct input_dev *);