1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/cpuidle/governors/ladder.c b/drivers/cpuidle/governors/ladder.c
index 12c98900dcf8..6a686a76711f 100644
--- a/drivers/cpuidle/governors/ladder.c
+++ b/drivers/cpuidle/governors/ladder.c
@@ -153,11 +153,24 @@ static int ladder_enable_device(struct cpuidle_device *dev)
         return 0;
 }
 
+/**
+ * ladder_reflect - update the correct last_state_idx
+ * @dev: the CPU
+ * @index: the index of actual state entered
+ */
+static void ladder_reflect(struct cpuidle_device *dev, int index)
+{
+        struct ladder_device *ldev = &__get_cpu_var(ladder_devices);
+        if (index > 0)
+                ldev->last_state_idx = index;
+}
+
 static struct cpuidle_governor ladder_governor = {
         .name =         "ladder",
         .rating =       10,
         .enable =       ladder_enable_device,
         .select =       ladder_select_state,
+        .reflect =      ladder_reflect,
         .owner =        THIS_MODULE,
 };