--- include/linux/tboot.h

+++ include/linux/tboot.h

@@ -150,6 +150,7 @@ extern int tboot_force_iommu(void);

#else

+#define tboot_enabled() 0

#define tboot_probe() do { } while (0)

#define tboot_shutdown(shutdown_type) do { } while (0)

#define tboot_sleep(sleep_state, pm1a_control, pm1b_control) \