linux-kernel - Re: [PATCH v1 0/7] ACPI: thermal: Use trip point table to register thermal zones

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Message-ID: <CAJZ5v0j1gF15vXKw7EdLLh629wisNr8niXQ8eYPY56rvzyNSKw@mail.gmail.com>
Date:   Wed, 19 Jul 2023 15:33:50 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Michal Wilczynski <michal.wilczynski@...el.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: Re: [PATCH v1 0/7] ACPI: thermal: Use trip point table to register
 thermal zones

On Wed, Jul 19, 2023 at 12:46 AM Daniel Lezcano
<daniel.lezcano@...aro.org> wrote:
>
>
> Hi Rafael,
>
> On 18/07/2023 20:01, Rafael J. Wysocki wrote:
> > Hi Everyone,
> >
> > This patch series makes the ACPI thermal driver register thermal zones
> > with the help of thermal_zone_device_register_with_trips(), so it
> > doesn't need to use the thermal zone callbacks related to trip points
> > any more (and they are dropped in the last patch).
>
> Yay!
>
> > The approach presented here is quite radically different from the
> > previous attempts, as it doesn't really rearrange the driver's
> > internal data structures, but adds the trip table support on top of
> > them.  For this purpose, it uses an additional field in struct thermal_trip
> > introduced in the first patch.
> >
> > I have run it on my test-bed systems, but this is not too representative,
> > because they each have only one ACPI thermal zone with only one (critical)
> > trip point in it.
>
> Rui created some ACPI fake tables I was able to run them in a KVM
> machine with fake thermal zones.
>
> I can share the setup if you are interested in

Yes, please!