[PATCH 4/7] devfreq: change var name used in time statistics

From: Kamil Konieczny
Date: Wed Nov 13 2019 - 04:14:01 EST


Change var name used in time statistics from last_stat_updated to
last_time. This will make it shorter and similar to cpufreq_stats.

Signed-off-by: Kamil Konieczny <k.konieczny@xxxxxxxxxxx>
---
drivers/devfreq/devfreq.c | 12 ++++++------
include/linux/devfreq.h | 4 ++--
2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 0a88055d1362..6e5a17f4c92c 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -165,7 +165,7 @@ int devfreq_update_status(struct devfreq *devfreq, unsigned long freq)
/* Immediately exit if previous_freq is not initialized yet. */
if (!devfreq->previous_freq) {
spin_lock(&devfreq->stats_lock);
- devfreq->last_stat_updated = cur_time;
+ devfreq->last_time = cur_time;
spin_unlock(&devfreq->stats_lock);
return 0;
}
@@ -179,7 +179,7 @@ int devfreq_update_status(struct devfreq *devfreq, unsigned long freq)
}

devfreq->time_in_state[prev_lev] +=
- cur_time - devfreq->last_stat_updated;
+ cur_time - devfreq->last_time;
lev = devfreq_get_freq_level(devfreq, freq);
if (lev < 0) {
ret = lev;
@@ -193,7 +193,7 @@ int devfreq_update_status(struct devfreq *devfreq, unsigned long freq)
}

out:
- devfreq->last_stat_updated = cur_time;
+ devfreq->last_time = cur_time;
spin_unlock(&devfreq->stats_lock);
return ret;
}
@@ -485,7 +485,7 @@ void devfreq_monitor_resume(struct devfreq *devfreq)
msecs_to_jiffies(devfreq->profile->polling_ms));

spin_lock(&devfreq->stats_lock);
- devfreq->last_stat_updated = get_jiffies_64();
+ devfreq->last_time = get_jiffies_64();
spin_unlock(&devfreq->stats_lock);
devfreq->stop_polling = false;

@@ -714,7 +714,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
goto err_devfreq;
}

- devfreq->last_stat_updated = get_jiffies_64();
+ devfreq->last_time = get_jiffies_64();
spin_lock_init(&devfreq->stats_lock);

srcu_init_notifier_head(&devfreq->transition_notifier_list);
@@ -1452,7 +1452,7 @@ static void defvreq_stats_clear_table(struct devfreq *devfreq)
spin_lock(&devfreq->stats_lock);
memset(devfreq->time_in_state, 0, count * sizeof(u64));
memset(devfreq->trans_table, 0, count * count * sizeof(int));
- devfreq->last_stat_updated = get_jiffies_64();
+ devfreq->last_time = get_jiffies_64();
devfreq->total_trans = 0;
spin_unlock(&devfreq->stats_lock);
}
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index a344e0be99f3..2ddf25993f7d 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -134,7 +134,7 @@ struct devfreq_dev_profile {
* @total_trans: Number of devfreq transitions
* @trans_table: Statistics of devfreq transitions
* @time_in_state: Statistics of devfreq states
- * @last_stat_updated: The last time stat updated
+ * @last_time: The last time stats were updated
* @stats_lock: Lock protecting trans_table, time_in_state, last_time
* and total_trans used for statistics
* @transition_notifier_list: list head of DEVFREQ_TRANSITION_NOTIFIER notifier
@@ -177,7 +177,7 @@ struct devfreq {
unsigned int total_trans;
unsigned int *trans_table;
u64 *time_in_state;
- unsigned long long last_stat_updated;
+ unsigned long long last_time;
spinlock_t stats_lock;

struct srcu_notifier_head transition_notifier_list;
--
2.24.0