diff --git a/include/plat/arm/common/arm_dyn_cfg_helpers.h b/include/plat/arm/common/arm_dyn_cfg_helpers.h
index 4a0f639..826924d 100644
--- a/include/plat/arm/common/arm_dyn_cfg_helpers.h
+++ b/include/plat/arm/common/arm_dyn_cfg_helpers.h
@@ -12,5 +12,6 @@
 int arm_dyn_get_hwconfig_info(void *dtb, int node,
 		uint64_t *hw_config_addr, uint32_t *hw_config_size);
 int arm_dyn_tb_fw_cfg_init(void *dtb, int *node);
+int arm_dyn_get_disable_auth(void *dtb, int node, uint32_t *disable_auth);
 
 #endif /* __ARM_DYN_CFG_HELPERS_H__ */