diff --git a/drivers/firmware/scmi/sandbox-scmi_devices.c b/drivers/firmware/scmi/sandbox-scmi_devices.c
index 96c2922..9f253b0 100644
--- a/drivers/firmware/scmi/sandbox-scmi_devices.c
+++ b/drivers/firmware/scmi/sandbox-scmi_devices.c
@@ -163,4 +163,5 @@
 	.priv_auto = sizeof(struct sandbox_scmi_device_priv),
 	.remove = sandbox_scmi_devices_remove,
 	.probe = sandbox_scmi_devices_probe,
+	.flags = DM_FLAG_DEFAULT_PD_CTRL_OFF,
 };