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SubjectRe: [PATCH 2/4] thermal/core: Precompute the jiffies
On Tue, Dec 15, 2020 at 09:38:06AM -0500, Thara Gopinath wrote:
> Hi Daniel,
>
> On 12/2/20 7:06 AM, Daniel Lezcano wrote:
> > The delays are stored in ms units and when the polling function is
> > called this delay is converted into jiffies at each call.
> >
> > Instead of doing the conversion again and again, compute the jiffies
> > at init time and use the value directly when setting the polling.
>
> A generic comment. You can avoid patch 1 of this series and directly
> have patch 2 , right? There is no need to rename polling_delay/passive_delay
> to *_delay_ms and then remove it again?

Yes, I can simplify that.

> >
> > Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> > ---

[ ... ]

> > +static inline void thermal_zone_set_polling_delay(
> > + struct thermal_zone_device *tz, int delay_ms)
> > +{
> > + tz->polling_delay_ms = delay_ms;
> > + tz->polling_delay_jiffies = msecs_to_jiffies(delay_ms);
> > + if (delay_ms > 1000)
> > + tz->polling_delay_jiffies = round_jiffies(tz->polling_delay_jiffies);
> > +}
>
> How about one function instead?
> static inline void thermal_zone_set_delay_jiffies(int *delay_jiffes, int
> delay_ms)
> {
> *delay_jiffies = msecs_to_jiffies(delay_ms);
> if (delay_ms > 1000)
> *delay_jiffies = round_jiffies(*delay_jiffies);
> }
>
> And then calling thermal_zone_set_delay_jiffies(&tz->passive_delay_jiffies,
> passive_delay)..

Yes, agree. I'll do this change.

Thanks for the review

-- Daniel

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