Index: uspace/lib/usbdev/include/usb/dev/poll.h
===================================================================
--- uspace/lib/usbdev/include/usb/dev/poll.h	(revision 2179cf95aa5da4ce9635bdfad80559815a215a12)
+++ uspace/lib/usbdev/include/usb/dev/poll.h	(revision 99a1a56aaeb2d7f78dc6b36a0346a67f485641cb)
@@ -84,6 +84,6 @@
 } usb_device_auto_polling_t;
 
-int usb_device_auto_polling(usb_device_t *, size_t, usb_device_auto_polling_t *,
-    size_t, void *);
+int usb_device_auto_polling(usb_device_t *, size_t,
+    const usb_device_auto_polling_t *, size_t, void *);
 
 typedef bool (*usb_polling_callback_t)(usb_device_t *,
Index: uspace/lib/usbdev/include/usb/dev/request.h
===================================================================
--- uspace/lib/usbdev/include/usb/dev/request.h	(revision 2179cf95aa5da4ce9635bdfad80559815a215a12)
+++ uspace/lib/usbdev/include/usb/dev/request.h	(revision 99a1a56aaeb2d7f78dc6b36a0346a67f485641cb)
@@ -130,4 +130,5 @@
 int usb_request_set_descriptor(usb_pipe_t *, usb_request_type_t,
     usb_request_recipient_t, uint8_t, uint8_t, uint16_t, void *, size_t);
+
 int usb_request_get_configuration(usb_pipe_t *, uint8_t *);
 int usb_request_set_configuration(usb_pipe_t *, uint8_t);