diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index d3a158a60312..ae6bbc903b7d 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -44,9 +44,11 @@ static void power_down(suspend_disk_method_t mode)
 
 	switch(mode) {
 	case PM_DISK_PLATFORM:
-		kernel_shutdown_prepare(SYSTEM_SUSPEND_DISK);
-		error = pm_ops->enter(PM_SUSPEND_DISK);
-		break;
+		if (pm_ops && pm_ops->enter) {
+			kernel_shutdown_prepare(SYSTEM_SUSPEND_DISK);
+			error = pm_ops->enter(PM_SUSPEND_DISK);
+			break;
+		}
 	case PM_DISK_SHUTDOWN:
 		kernel_power_off();
 		break;
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 873228c71dab..1210961a5aa7 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -27,7 +27,7 @@
 DECLARE_MUTEX(pm_sem);
 
 struct pm_ops *pm_ops;
-suspend_disk_method_t pm_disk_mode = PM_DISK_SHUTDOWN;
+suspend_disk_method_t pm_disk_mode = PM_DISK_PLATFORM;
 
 /**
  *	pm_set_ops - Set the global power method table.