Index: uspace/drv/usbhid/generic/hiddev.h
===================================================================
--- uspace/drv/usbhid/generic/hiddev.h	(revision 3facf63aa9f232dd359035931c7ad2b9a4934e03)
+++ uspace/drv/usbhid/generic/hiddev.h	(revision 37f87fa3c6487413c897d909b685591962d2d2cf)
@@ -48,7 +48,7 @@
 /*----------------------------------------------------------------------------*/
 
-int usb_generic_hid_init(struct usb_hid_dev *hid_dev);
+int usb_generic_hid_init(struct usb_hid_dev *hid_dev, void **data);
 
-bool usb_generic_hid_polling_callback(struct usb_hid_dev *hid_dev,
+bool usb_generic_hid_polling_callback(struct usb_hid_dev *hid_dev, void *data,
     uint8_t *buffer, size_t buffer_size);