diff --git a/arch/powerpc/platforms/pasemi/idle.c b/arch/powerpc/platforms/pasemi/idle.c
index 03cd45d8fefa..3c962d5757be 100644
--- a/arch/powerpc/platforms/pasemi/idle.c
+++ b/arch/powerpc/platforms/pasemi/idle.c
@@ -26,6 +26,7 @@
 
 #include <asm/machdep.h>
 #include <asm/reg.h>
+#include <asm/smp.h>
 
 #include "pasemi.h"