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

From: Thara Gopinath
Date: Fri Dec 18 2020 - 10:07:04 EST




On 12/16/20 5:03 PM, Daniel Lezcano wrote:
The delays are also stored in jiffies based unit. Use them instead of
the ms.

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

Reviewed-by: Thara Gopinath <thara.gopinath@xxxxxxxxxx>


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);


--
Warm Regards
Thara