Re: [Resend][PATCH] drivers/thermal: optimize the for circle to run a bit fast

From: Daniel Lezcano
Date: Tue Oct 27 2020 - 04:47:42 EST


On 27/10/2020 02:19, Bernard wrote:
>
> From: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> Date: 2020-10-27 02:35:18
> To: Bernard <bernard@xxxxxxxx>,Zhang Rui <rui.zhang@xxxxxxxxx>,Amit Kucheria <amitk@xxxxxxxxxx>,linux-pm@xxxxxxxxxxxxxxx,linux-kernel@xxxxxxxxxxxxxxx
> Cc: opensource.kernel@xxxxxxxx
> Subject: Re: [Resend][PATCH] drivers/thermal: optimize the for circle to run a bit fast>On 26/10/2020 02:49, Bernard wrote:
>>> Function thermal_zone_device_register, in the for circle, if the
>>> first if branch set the count bit in tz->trips_disabled, there is
>>> no need to set in the other if branch again.
>>> This change is to make the code run a bit fast and readable.
>>>
>>> Signed-off-by: Bernard Zhao <bernard@xxxxxxxx>
>>> ---
>>> drivers/thermal/thermal_core.c | 8 ++++++--
>>> 1 file changed, 6 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
>>> index c6d74bc1c90b..03577794eea3 100644
>>> --- a/drivers/thermal/thermal_core.c
>>> +++ b/drivers/thermal/thermal_core.c
>>> @@ -1446,10 +1446,14 @@ thermal_zone_device_register(const char *type, int trips, int mask,
>>> goto release_device;
>>>
>>> for (count = 0; count < trips; count++) {
>>> - if (tz->ops->get_trip_type(tz, count, &trip_type))
>>> + if (tz->ops->get_trip_type(tz, count, &trip_type)) {
>>> set_bit(count, &tz->trips_disabled);
>>> - if (tz->ops->get_trip_temp(tz, count, &trip_temp))
>>> + continue;
>>> + }
>>> + if (tz->ops->get_trip_temp(tz, count, &trip_temp)) {
>>> set_bit(count, &tz->trips_disabled);
>>> + continue;
>>> + }
>>> /* Check for bogus trip points */
>>> if (trip_temp == 0)
>>> set_bit(count, &tz->trips_disabled);
>>
>>
>> What about ?
>> if (tz->ops->get_trip_type(tz, count, &trip_type) ||
>> tz->ops->get_trip_temp(tz, count, &trip_temp) ||
>> !trip_temp)
>> set_bit(count, &tz->trips_disabled);
>>
>
> Hi
>
> Sure, I will resubmit this patch, thanks!

Please, take the opportunity to fix the author name to be the same as
the signed-off-by.

Thanks

-- Daniel



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