Re: [PATCH v1 00/10] ACPI: thermal: Register thermal class cooling devices under parents

[Armin Wolf <W_Armin@gmx.de>]

Am 12.09.26 um 15:34 schrieb Rafael J. Wysocki (Intel):

> On Fri, Sep 11, 2026 at 11:35 PM Armin Wolf <W_Armin@gmx.de> wrote:
>> Am 11.09.26 um 15:00 schrieb Rafael J. Wysocki:
>>
>>> Hi All,
>>>
>>> This series generally changes the way in which thermal class cooling devices
>>> are used by ACPI device drivers registering them (ACPI processor, ACPI fan,
>>> and ACPI video) and by the ACPI thermal zone device driver.
>>>
>>> First, it causes the thermal class cooling devices to be registered under
>>> parents in specific locations within the device hierarchy which allows
>>> their relationships with other devices to be recognized more easily.  It
>>> also drops custom sysfs attributes registered by the users of the thermal
>>> class cooling devices because they are not particularly useful any more
>>> when those devices get proper parents.
>>>
>>> Second, it modifies the ACPI thermal zone device driver to use thermal class
>>> cooling device parent information for binding cooling devices to trip points
>>> in thermal zones, which was previously done with the help of the devdata
>>> pointers of the cooling devices and effectively prevented drivers from using
>>> the devdata pointers for their own purposes as originally intended.
>>>
>>> Finally, it updates the ACPI processor and ACPI fan drivers to use the
>>> devdata pointers of thermal class cooling devices in a bit more efficient
>>> way.
>>>
>>> The first two patches in the series are preliminary fixes preventing
>>> Sashiko from reporting "pre-existing issues" in the subsequent patches.
>>>
>>> The third patch is a thermal core update allowing thermal class cooling
>>> devices to be registered under proper parents.
>>>
>>> The other patches update the ACPI processor, ACPI video, and ACPI fan
>>> drivers as per the above.
>>>
>>> The details are covered by individual patch changelogs.
>>>
>>> Thanks!
>> Nice patch series, it looks mostly good to me.
> Thanks!
>
>> Do you plan something similar for thermal zones?
> I do overall, but that is a bit harder due to the hwmon involvement.

I understand, maybe we can discuss this on the LPC.

Thanks,
Armin Wolf