Index: uspace/drv/bus/usb/ehci/hc.h
===================================================================
--- uspace/drv/bus/usb/ehci/hc.h	(revision 132ab5d1e75253f9bae910b2748a4c13efe7e71f)
+++ uspace/drv/bus/usb/ehci/hc.h	(revision a0a9cc249adce31c755defdb6b74a991ebbf55ea)
@@ -100,14 +100,14 @@
 
 /* Boottime operations */
-extern int hc_add(hc_device_t *, const hw_res_list_parsed_t *);
-extern int hc_start(hc_device_t *);
-extern int hc_setup_roothub(hc_device_t *);
-extern int hc_gen_irq_code(irq_code_t *, hc_device_t *, const hw_res_list_parsed_t *, int *);
-extern int hc_gone(hc_device_t *);
+extern errno_t hc_add(hc_device_t *, const hw_res_list_parsed_t *);
+extern errno_t hc_start(hc_device_t *);
+extern errno_t hc_setup_roothub(hc_device_t *);
+extern errno_t hc_gen_irq_code(irq_code_t *, hc_device_t *, const hw_res_list_parsed_t *, int *);
+extern errno_t hc_gone(hc_device_t *);
 
 /** Runtime operations */
 extern void ehci_hc_interrupt(bus_t *, uint32_t);
-extern int ehci_hc_status(bus_t *, uint32_t *);
-extern int ehci_hc_schedule(usb_transfer_batch_t *);
+extern errno_t ehci_hc_status(bus_t *, uint32_t *);
+extern errno_t ehci_hc_schedule(usb_transfer_batch_t *);
 
 #endif