diff --git a/plat/st/stm32mp2/stm32mp2_private.c b/plat/st/stm32mp2/stm32mp2_private.c
index a37de56..7ad974f 100644
--- a/plat/st/stm32mp2/stm32mp2_private.c
+++ b/plat/st/stm32mp2/stm32mp2_private.c
@@ -290,6 +290,12 @@
 	}
 }
 
+bool stm32mp_is_wakeup_from_standby(void)
+{
+	/* TODO add source code to determine if platform is waking up from standby mode */
+	return false;
+}
+
 uintptr_t stm32_get_bkpr_boot_mode_addr(void)
 {
 	return tamp_bkpr(BKPR_BOOT_MODE);