diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index 3de6ece..4fd021f 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -48,9 +48,11 @@
 
 #ifdef CONFIG_PM_DEBUG
 extern void omap2_pm_dump(int mode, int resume, unsigned int us);
+extern void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds);
 extern int omap2_pm_debug;
 #else
 #define omap2_pm_dump(mode, resume, us)		do {} while (0);
+#define omap2_pm_wakeup_on_timer(seconds, milliseconds)	do {} while (0);
 #define omap2_pm_debug				0
 #endif