diff --git a/arch/c6x/platforms/plldata.c b/arch/c6x/platforms/plldata.c
index e8b6cc6a7b5a..1ef04b5ab93f 100644
--- a/arch/c6x/platforms/plldata.c
+++ b/arch/c6x/platforms/plldata.c
@@ -19,6 +19,7 @@
 
 #include <asm/clock.h>
 #include <asm/setup.h>
+#include <asm/special_insns.h>
 #include <asm/irq.h>
 
 /*