diff --git a/arch/arm/mach-shmobile/setup-r8a7794.c b/arch/arm/mach-shmobile/setup-r8a7794.c
index c10acd125aec..d2b093033132 100644
--- a/arch/arm/mach-shmobile/setup-r8a7794.c
+++ b/arch/arm/mach-shmobile/setup-r8a7794.c
@@ -28,5 +28,6 @@ DT_MACHINE_START(R8A7794_DT, "Generic R8A7794 (Flattened Device Tree)")
 	.init_early	= shmobile_init_delay,
 	.init_late	= shmobile_init_late,
 	.init_time	= rcar_gen2_timer_init,
+	.reserve	= rcar_gen2_reserve,
 	.dt_compat	= r8a7794_boards_compat_dt,
 MACHINE_END