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path: root/drivers/cpuidle/governors/ladder.c
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Diffstat (limited to 'drivers/cpuidle/governors/ladder.c')
-rw-r--r--drivers/cpuidle/governors/ladder.c13
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,
};