linux-kernel - [PATCH v2 2/3] thermal/core: Use precomputed jiffies for the polling

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Date:   Wed, 16 Dec 2020 23:03:36 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     daniel.lezcano@...aro.org, rui.zhang@...el.com
Cc:     amitk@...nel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org,
        Thara Gopinath <thara.gopinath@...aro.org>,
        Lukasz Luba <lukasz.luba@....com>
Subject: [PATCH v2 2/3] thermal/core: Use precomputed jiffies for the polling

The delays are also stored in jiffies based unit. Use them instead of
the ms.

Cc: Thara Gopinath <thara.gopinath@...aro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@....com>
---
 drivers/thermal/thermal_core.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 2c41d4a0923f..d96c515af3cb 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -289,16 +289,11 @@ static int __init thermal_register_governors(void)
  * - Critical trip point will cause a system shutdown.
  */
 static void thermal_zone_device_set_polling(struct thermal_zone_device *tz,
-					    int delay)
+					    unsigned long delay)
 {
-	if (delay > 1000)
+	if (delay)
 		mod_delayed_work(system_freezable_power_efficient_wq,
-				 &tz->poll_queue,
-				 round_jiffies(msecs_to_jiffies(delay)));
-	else if (delay)
-		mod_delayed_work(system_freezable_power_efficient_wq,
-				 &tz->poll_queue,
-				 msecs_to_jiffies(delay));
+				 &tz->poll_queue, delay);
 	else
 		cancel_delayed_work(&tz->poll_queue);
 }
@@ -317,9 +312,9 @@ static void monitor_thermal_zone(struct thermal_zone_device *tz)
 	mutex_lock(&tz->lock);
 
 	if (!stop && tz->passive)
-		thermal_zone_device_set_polling(tz, tz->passive_delay);
+		thermal_zone_device_set_polling(tz, tz->passive_delay_jiffies);
 	else if (!stop && tz->polling_delay)
-		thermal_zone_device_set_polling(tz, tz->polling_delay);
+		thermal_zone_device_set_polling(tz, tz->polling_delay_jiffies);
 	else
 		thermal_zone_device_set_polling(tz, 0);
 
-- 
2.25.1