Index: uspace/lib/usbhost/include/usb/host/ddf_helpers.h
===================================================================
--- uspace/lib/usbhost/include/usb/host/ddf_helpers.h	(revision 071a1ddbcc6bb2b9c6f3c1a3acc865f1f23b5fe0)
+++ uspace/lib/usbhost/include/usb/host/ddf_helpers.h	(revision 09d01f28221887ceaceba6c7bcc2102381ec548f)
@@ -48,5 +48,5 @@
 typedef void (*driver_fini_t)(hcd_t *);
 typedef int (*claim_t)(ddf_dev_t *);
-typedef int (*irq_code_gen_t)(irq_code_t *, const hw_res_list_parsed_t *);
+typedef int (*irq_code_gen_t)(irq_code_t *, const hw_res_list_parsed_t *, int *);
 
 typedef struct {
@@ -75,5 +75,5 @@
     const hw_res_list_parsed_t *hw_res,
     interrupt_handler_t handler,
-    int (*gen_irq_code)(irq_code_t *, const hw_res_list_parsed_t *),
+    int (*gen_irq_code)(irq_code_t *, const hw_res_list_parsed_t *, int *),
     cap_handle_t *handle);
 void ddf_hcd_gen_irq_handler(ipc_call_t *call, ddf_dev_t *dev);
Index: uspace/lib/usbhost/include/usb/host/hcd.h
===================================================================
--- uspace/lib/usbhost/include/usb/host/hcd.h	(revision 071a1ddbcc6bb2b9c6f3c1a3acc865f1f23b5fe0)
+++ uspace/lib/usbhost/include/usb/host/hcd.h	(revision 09d01f28221887ceaceba6c7bcc2102381ec548f)
@@ -102,5 +102,5 @@
 }
 
-extern usb_address_t hcd_request_address(hcd_t *, usb_speed_t);
+extern int hcd_request_address(hcd_t *, usb_speed_t, usb_address_t *);
 
 extern int hcd_release_address(hcd_t *, usb_address_t);
@@ -123,6 +123,6 @@
     usbhc_iface_transfer_out_callback_t, void *, const char *);
 
-extern ssize_t hcd_send_batch_sync(hcd_t *, usb_target_t, usb_direction_t,
-    void *, size_t, uint64_t, const char *);
+extern int hcd_send_batch_sync(hcd_t *, usb_target_t, usb_direction_t,
+    void *, size_t, uint64_t, const char *, size_t *);
 
 #endif