Re: [PATCH v2 1/5] thermal: core: Add helpers to browse the cdev, tz and governor list

From: Amit Kucheria
Date: Tue Jun 30 2020 - 14:46:26 EST


On Tue, Jun 30, 2020 at 8:40 PM Zhang Rui <rui.zhang@xxxxxxxxx> wrote:
>
> Hi, Daniel,
>
> seems that you forgot to cc linux-pm mailing list.
>
> On Tue, 2020-06-30 at 17:16 +0530, Amit Kucheria wrote:
> > On Thu, Jun 25, 2020 at 8:15 PM Daniel Lezcano
> > <daniel.lezcano@xxxxxxxxxx> wrote:
> > >
> > > The cdev, tz and governor list, as well as their respective locks
> > > are
> > > statically defined in the thermal_core.c file.
> > >
> > > In order to give a sane access to these list, like browsing all the
> > > thermal zones or all the cooling devices, let's define a set of
> > > helpers where we pass a callback as a parameter to be called for
> > > each
> > > thermal entity.
> > >
> > > We keep the self-encapsulation and ensure the locks are correctly
> > > taken when looking at the list.
> > >
> > > Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> > > ---
> > > drivers/thermal/thermal_core.c | 51
> > > ++++++++++++++++++++++++++++++++++
> >
> > Is the idea to not use thermal_helpers.c from now on? It fits
> > perfectly with a patch I have to merge all its contents to
> > thermal_core.c :-)
>
> I agree these changes should be in thermal_helper.c

I was actually serious about killing thermal_helper.c :-)

What is the reason for those 5-6 functions to live outside
thermal_core.c? Functions in thermal_helper.c are called by governors
and drivers, just like the functions in thermal_core.c. I couldn't
find a pattern.

Regards,
Amit