diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index 33d951c..a28a903 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -119,6 +119,7 @@
 /* PM utility functions */
 int arm_validate_power_state(unsigned int power_state,
 			    psci_power_state_t *req_state);
+int arm_validate_psci_entrypoint(uintptr_t entrypoint);
 int arm_validate_ns_entrypoint(uintptr_t entrypoint);
 void arm_system_pwr_domain_save(void);
 void arm_system_pwr_domain_resume(void);