Input: drivers/input/joystick - don't access dev->private directly

Use input_get_drvdata() and input_set_drvdata() instead.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
index 51f1e4b..7244e29 100644
--- a/drivers/input/joystick/analog.c
+++ b/drivers/input/joystick/analog.c
@@ -343,7 +343,7 @@
 
 static int analog_open(struct input_dev *dev)
 {
-	struct analog_port *port = dev->private;
+	struct analog_port *port = input_get_drvdata(dev);
 
 	gameport_start_polling(port->gameport);
 	return 0;
@@ -355,7 +355,7 @@
 
 static void analog_close(struct input_dev *dev)
 {
-	struct analog_port *port = dev->private;
+	struct analog_port *port = input_get_drvdata(dev);
 
 	gameport_stop_polling(port->gameport);
 }
@@ -450,9 +450,11 @@
 	input_dev->id.product = analog->mask >> 4;
 	input_dev->id.version = 0x0100;
 
+	input_set_drvdata(input_dev, port);
+
 	input_dev->open = analog_open;
 	input_dev->close = analog_close;
-	input_dev->private = port;
+
 	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
 
 	for (i = j = 0; i < 4; i++)