Input: joysticks - switch to using input_dev->dev.parent

In preparation for struct class_device -> struct device input
core conversion, switch to using input_dev->dev.parent when
specifying device position in sysfs tree.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index bd5a6de..fb129c4 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -287,13 +287,13 @@
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
 	case IFORCE_USB:
 		input_dev->id.bustype = BUS_USB;
-		input_dev->cdev.dev = &iforce->usbdev->dev;
+		input_dev->dev.parent = &iforce->usbdev->dev;
 		break;
 #endif
 #ifdef CONFIG_JOYSTICK_IFORCE_232
 	case IFORCE_232:
 		input_dev->id.bustype = BUS_RS232;
-		input_dev->cdev.dev = &iforce->serio->dev;
+		input_dev->dev.parent = &iforce->serio->dev;
 		break;
 #endif
 	}