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

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Date:   Fri, 13 Jan 2023 11:46:05 +0000
From:   "Zhang, Rui" <rui.zhang@...el.com>
To:     "rafael@...nel.org" <rafael@...nel.org>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>
CC:     "srinivas.pandruvada@...ux.intel.com" 
        <srinivas.pandruvada@...ux.intel.com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "christophe.jaillet@...adoo.fr" <christophe.jaillet@...adoo.fr>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: [PATCH v4 0/3] Thermal ACPI APIs for generic trip points

Hi, Daniel,

Thanks for the patch series.

I got several "trailing whitespace" warnings when applying the patches,
and there are also some other checkpatch.pl warnings.

Besides that, I only have one comment about patch 3/3, and I have
replied to that thread.

thanks,
rui

On Tue, 2023-01-10 at 16:17 +0100, 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
>