linux-kernel - Re: [PATCH v6 00/12] thermal OF rework

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Date:   Mon, 25 Jul 2022 20:32:41 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     Daniel Lezcano <daniel.lezcano@...exp.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        "Zhang, Rui" <rui.zhang@...el.com>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Alexandre Bailon <abailon@...libre.com>,
        Lukasz Luba <lukasz.luba@....com>
Subject: Re: [PATCH v6 00/12] thermal OF rework

Hi Daniel,

On Mon, Jul 25, 2022 at 6:34 PM Daniel Lezcano
<daniel.lezcano@...aro.org> wrote:
>
>
> Hi Rafael,
>
> On 22/07/2022 21:59, Daniel Lezcano wrote:
> > The thermal framework initialization with the device tree appears to
> > be complicated and hard to make it to evolve.
> >
> > It contains duplication of almost the same thermal generic structures
> > and has an assymetric initialization making hard any kind of serious
> > changes for more complex features. One of them is the multiple sensors
> > support per thermal zone.
> >
> > In order to set the scene for the aforementioned feature with generic
> > code, we need to cleanup and rework the device tree initialization.
> >
> > However this rework is not obvious because of the multiple components
> > entering in the composition of a thermal zone and being initialized at
> > different moments. For instance, a cooling device can be initialized
> > before a sensor, so the thermal zones must exist before the cooling
> > device as well as the sensor. This asynchronous initialization forces
> > the thermal zone to be created with fake ops because they are
> > mandotory and build a list of cooling devices which is used to lookup
> > afterwards when the cooling device driver is registering itself.
> >
> > As there could be a large number of changes, this first series provide
> > some steps forward for a simpler device tree initialization.
> >
> > More series for cleanup and code duplication removal will follow.
> >
> > Changelog:
> >
> >   - v6:
> >      - Folded patches 8, 9, 10
> >      - Removed thermal_zone_get_trips() and thermal_zone_get_num_trips()
> >      - Moved tz->ntrips => tz->num_trips changes into patch 11 to fix the
> >        git bisecting
> >
>
> I believe all the comments were addressed, is it fine if I merge this
> series ?

Yes, please!