cpuidle: Move dev->last_residency update to driver enter routine; remove dev->last_state

[pandora-kernel.git] / drivers / cpuidle / governors / ladder.c

diff --git a/drivers/cpuidle/governors/ladder.c b/drivers/cpuidle/governors/ladder.c
index 12c9890..6a686a7 100644 (file)
--- 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,
 };