linux-kernel - Re: [PATCH] devreq: move governor.h to a public header location

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Message-ID: <3shtevnohqcwjr7zho75brhx3ffbluwtaimzst2kkonohdzlwu@2myszcxun3gl>
Date: Tue, 16 Sep 2025 20:24:02 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Dmitry Osipenko <digetx@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Robie Basak <robibasa@....qualcomm.com>
Subject: Re: [PATCH] devreq: move governor.h to a public header location

On Wed, Sep 03, 2025 at 04:43:04PM +0300, Dmitry Baryshkov wrote:
> Some device drivers (and out-of-tree modules) might want to define
> device-specific device governors. Rather than restricting all of them to
> be a part of drivers/devfreq/ (which is not possible for out-of-tree
> drivers anyway) move governor.h to include/linux/devfreq-governor.h and
> update all drivers to use it.
> 
> The devfreq_cpu_data is only used internally, by the passive governor,
> so it is moved to the driver source rather than being a part of the
> public interface.
> 
> Reported-by: Robie Basak <robibasa@....qualcomm.com>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> ---
>  drivers/devfreq/devfreq.c                          |  2 +-
>  drivers/devfreq/governor_passive.c                 | 27 +++++++++++++++++-
>  drivers/devfreq/governor_performance.c             |  2 +-
>  drivers/devfreq/governor_powersave.c               |  2 +-
>  drivers/devfreq/governor_simpleondemand.c          |  2 +-
>  drivers/devfreq/governor_userspace.c               |  2 +-
>  drivers/devfreq/hisi_uncore_freq.c                 |  3 +-
>  drivers/devfreq/tegra30-devfreq.c                  |  3 +-
>  .../governor.h => include/linux/devfreq-governor.h | 33 +++-------------------
>  9 files changed, 37 insertions(+), 39 deletions(-)
> 

Gracious ping, I haven't heard anything back.

-- 
With best wishes
Dmitry