linux-kernel - Re: [PATCH v4 0/3] Thermal ACPI APIs for generic trip points

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Message-ID: <b070cfab-b8ab-f795-0c98-fc874f05f16b@linaro.org>
Date:   Wed, 11 Jan 2023 12:52:36 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     rafael@...nel.org
Cc:     srinivas.pandruvada@...ux.intel.com, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        rui.zhang@...el.com, christophe.jaillet@...adoo.fr
Subject: Re: [PATCH v4 0/3] Thermal ACPI APIs for generic trip points


Can I consider these changes ok for thermal/bleeding-edge ?


On 10/01/2023 16:17, Daniel Lezcano wrote:
> Recently sent as a RFC, the thermal ACPI for generic trip points is a set of
> functions to fill the generic trip points structure which will become the
> standard structure for the thermal framework and its users.
> 
> Different Intel drivers and the ACPI thermal driver are using the ACPI tables to
> get the thermal zone information. As those are getting the same information,
> providing this set of ACPI function with the generic trip points will
> consolidate the code.
> 
> Also, the Intel PCH and the Intel 34xx drivers are converted to use the generic
> trip points relying on the ACPI generic trip point parsing functions.
> 
> These changes have been tested on a Thinkpad Lenovo x280 with the PCH and
> INT34xx drivers. No regression have been observed, the trip points remain the
> same for what is described on this system.
> 
> Changelog:
>   - V4:
>     - Fixed Kconfig option dependency, select THERMAL_ACPI if ACPI is set
>       only for the PCH driver
> 
>   - V3:
>     - Took into account Rafael's comments
>     - Used a silence option THERMAL_ACPI in order to stay consistent
>       with THERMAL_OF. It is up to the API user to select the option.
> 
>   - V2:
>     - Fix the thermal ACPI patch where the thermal_acpi.c was not included in
>       the series
>     - Provide a couple of users of this API which could have been tested on a
>       real system
> 
> Daniel Lezcano (3):
>    thermal/acpi: Add ACPI trip point routines
>    thermal/drivers/intel: Use generic trip points for intel_pch
>    thermal/drivers/intel: Use generic trip points int340x
> 
>   drivers/thermal/Kconfig                       |   4 +
>   drivers/thermal/Makefile                      |   1 +
>   drivers/thermal/intel/Kconfig                 |   1 +
>   drivers/thermal/intel/int340x_thermal/Kconfig |   1 +
>   .../int340x_thermal/int340x_thermal_zone.c    | 177 ++++-----------
>   .../int340x_thermal/int340x_thermal_zone.h    |  10 +-
>   drivers/thermal/intel/intel_pch_thermal.c     |  88 ++------
>   drivers/thermal/thermal_acpi.c                | 211 ++++++++++++++++++
>   include/linux/thermal.h                       |   8 +
>   9 files changed, 287 insertions(+), 214 deletions(-)
>   create mode 100644 drivers/thermal/thermal_acpi.c
> 

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