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Subject[PATCH 2/3] PM / devfreq: fix stats start time stamp
Date
Mark the stats start time stamp when actual load monitoring is
started for accuracy.

Signed-off-by: Rajagopal Venkat <rajagopal.venkat@linaro.org>
---
drivers/devfreq/devfreq.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 5782c9b..2843a22 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -254,9 +254,12 @@ static void devfreq_monitor(struct work_struct *work)
void devfreq_monitor_start(struct devfreq *devfreq)
{
INIT_DEFERRABLE_WORK(&devfreq->work, devfreq_monitor);
- if (devfreq->profile->polling_ms)
+ if (devfreq->profile->polling_ms) {
queue_delayed_work(devfreq_wq, &devfreq->work,
msecs_to_jiffies(devfreq->profile->polling_ms));
+
+ devfreq->last_stat_updated = jiffies;
+ }
}
EXPORT_SYMBOL(devfreq_monitor_start);

@@ -498,7 +501,6 @@ struct devfreq *devfreq_add_device(struct device *dev,
devfreq->time_in_state = devm_kzalloc(dev, sizeof(unsigned int) *
devfreq->profile->max_state,
GFP_KERNEL);
- devfreq->last_stat_updated = jiffies;
devfreq_set_freq_limits(devfreq);

dev_set_name(&devfreq->dev, dev_name(dev));
--
1.7.10.4


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