1 files changed, 10 insertions, 15 deletions

diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 659d7b0c9ebf..40580794e23d 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -396,8 +396,8 @@ static void menu_update(struct cpuidle_driver *drv, struct cpuidle_device *dev)
          * power state and occurrence of the wakeup event.
          *
          * If the entered idle state didn't support residency measurements,
-         * we are basically lost in the dark how much time passed.
-         * As a compromise, assume we slept for the whole expected time.
+         * we use them anyway if they are short, and if long,
+         * truncate to the whole expected time.
          *
          * Any measured amount of time will include the exit latency.
          * Since we are interested in when the wakeup begun, not when it
@@ -405,22 +405,17 @@ static void menu_update(struct cpuidle_driver *drv, struct cpuidle_device *dev)
          * the measured amount of time is less than the exit latency,
          * assume the state was never reached and the exit latency is 0.
          */
-        if (unlikely(target->flags & CPUIDLE_FLAG_TIME_INVALID)) {
-                /* Use timer value as is */
-                measured_us = data->next_timer_us;
 
-        } else {
-                /* Use measured value */
-                measured_us = cpuidle_get_last_residency(dev);
+        /* measured value */
+        measured_us = cpuidle_get_last_residency(dev);
 
-                /* Deduct exit latency */
-                if (measured_us > target->exit_latency)
-                        measured_us -= target->exit_latency;
+        /* Deduct exit latency */
+        if (measured_us > target->exit_latency)
+                measured_us -= target->exit_latency;
 
-                /* Make sure our coefficients do not exceed unity */
-                if (measured_us > data->next_timer_us)
-                        measured_us = data->next_timer_us;
-        }
+        /* Make sure our coefficients do not exceed unity */
+        if (measured_us > data->next_timer_us)
+                measured_us = data->next_timer_us;
 
         /* Update our correction ratio */
         new_factor = data->correction_factor[data->bucket];