Index: uspace/lib/usbdev/include/usb/dev/driver.h
===================================================================
--- uspace/lib/usbdev/include/usb/dev/driver.h	(revision 7c95d6f581cca56abbce43deed7b2c4c3e46e2b2)
+++ uspace/lib/usbdev/include/usb/dev/driver.h	(revision 0fe2ff1066bd20d937f5ffb8589c4a6d74ca42ce)
@@ -173,4 +173,5 @@
 int usb_device_create(ddf_dev_t *, usb_endpoint_description_t **, usb_device_t **, const char **);
 void usb_device_destroy(usb_device_t *);
+void * usb_device_data_alloc(usb_device_t *, size_t);
 
 size_t usb_interface_count_alternates(const uint8_t *, size_t, uint8_t);