diff --git a/kernel/include/sortix/kernel/ioport.h b/kernel/include/sortix/kernel/ioport.h
index 06022e3e..e62aa8a7 100644
--- a/kernel/include/sortix/kernel/ioport.h
+++ b/kernel/include/sortix/kernel/ioport.h
@@ -1,6 +1,6 @@
 /*******************************************************************************
 
-    Copyright(C) Jonas 'Sortie' Termansen 2014.
+    Copyright(C) Jonas 'Sortie' Termansen 2014, 2015.
 
     This file is part of Sortix.
 
@@ -78,6 +78,9 @@ static inline uint32_t inport32(uint16_t port)
 	return result;
 }
 
+bool wait_inport8_clear(uint16_t ioport, uint8_t bits, bool any, unsigned int msecs);
+bool wait_inport8_set(uint16_t ioport, uint8_t bits, bool any, unsigned int msecs);
+
 } // namespace Sortix
 
 #endif