Index: uspace/drv/ohci/hw_struct/endpoint_descriptor.h
===================================================================
--- uspace/drv/ohci/hw_struct/endpoint_descriptor.h	(revision 9f104af4a2990fdb7a7bc9e9f3511be7c29ef91b)
+++ uspace/drv/ohci/hw_struct/endpoint_descriptor.h	(revision 9a6fde4bb9c25bfa30c0b3c90d05987bac467574)
@@ -81,11 +81,19 @@
 void ed_init(ed_t *instance, endpoint_t *ep);
 
-static inline void ed_add_tds(ed_t *instance, td_t *head, td_t *tail)
+static inline void ed_set_td(ed_t *instance, td_t *td)
 {
 	assert(instance);
+	uintptr_t pa = addr_to_phys(td);
 	instance->td_head =
-	    ((addr_to_phys(head) & ED_TDHEAD_PTR_MASK)
+	    ((pa & ED_TDHEAD_PTR_MASK)
 	    | (instance->td_head & ~ED_TDHEAD_PTR_MASK));
-	instance->td_tail = addr_to_phys(tail) & ED_TDTAIL_PTR_MASK;
+	instance->td_tail = pa & ED_TDTAIL_PTR_MASK;
+}
+
+static inline void ed_set_end_td(ed_t *instance, td_t *td)
+{
+	assert(instance);
+	uintptr_t pa = addr_to_phys(td);
+	instance->td_tail = pa & ED_TDTAIL_PTR_MASK;
 }