diff --git a/plat/rockchip/common/plat_pm.c b/plat/rockchip/common/plat_pm.c
index 6926887..c3dc234 100644
--- a/plat/rockchip/common/plat_pm.c
+++ b/plat/rockchip/common/plat_pm.c
@@ -118,11 +118,15 @@
 				const psci_power_state_t *target_state)
 {
 	psci_power_down_wfi();
+	/* should never reach here */
+	panic();
 }
 
 void __dead2 rockchip_soc_sys_pd_pwr_dn_wfi(void)
 {
 	psci_power_down_wfi();
+	/* should never reach here */
+	panic();
 }
 
 /*******************************************************************************