Index: uspace/drv/bus/usb/uhci/uhci_batch.c
===================================================================
--- uspace/drv/bus/usb/uhci/uhci_batch.c	(revision 6bba41d4a9756d87e134012bf38e384a7d3bc88d)
+++ uspace/drv/bus/usb/uhci/uhci_batch.c	(revision ad91b806fc4283aa8268102055c2e01062710f8e)
@@ -156,5 +156,5 @@
  * is reached.
  */
-bool uhci_transfer_batch_is_complete(uhci_transfer_batch_t *uhci_batch)
+bool uhci_transfer_batch_is_complete(const uhci_transfer_batch_t *uhci_batch)
 {
 	assert(uhci_batch);
Index: uspace/drv/bus/usb/uhci/uhci_batch.h
===================================================================
--- uspace/drv/bus/usb/uhci/uhci_batch.h	(revision 6bba41d4a9756d87e134012bf38e384a7d3bc88d)
+++ uspace/drv/bus/usb/uhci/uhci_batch.h	(revision ad91b806fc4283aa8268102055c2e01062710f8e)
@@ -62,5 +62,5 @@
 uhci_transfer_batch_t * uhci_transfer_batch_get(usb_transfer_batch_t *batch);
 void uhci_transfer_batch_finish_dispose(uhci_transfer_batch_t *uhci_batch);
-bool uhci_transfer_batch_is_complete(uhci_transfer_batch_t *uhci_batch);
+bool uhci_transfer_batch_is_complete(const uhci_transfer_batch_t *uhci_batch);
 
 static inline void * uhci_transfer_batch_setup_buffer(