linux-kernel - RE: [PATCH RESEND v2] devfreq: move governor.h to a public header location

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Message-ID: <20251107005809epcms1p5f33e9560755367f0ba4b7df82c87fc85@epcms1p5>
Date: Fri, 07 Nov 2025 09:58:09 +0900
From: MyungJoo Ham <myungjoo.ham@...sung.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.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-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>, Robie Basak
	<robibasa@....qualcomm.com>
Subject: RE: [PATCH RESEND v2] devfreq: move governor.h to a public header
 location

>Sender: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com> 
>Date: 2025-10-31 03:26 (GMT+9)
>Title: [PATCH RESEND v2] devfreq: move governor.h to a public header location
>
>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.

Hi!

Could you please direct me to the governors or drivers needing this?
(Qualcomm drivers?)

Cheers,
MyungJoo

>
>Reported-by: Robie Basak <robibasa@....qualcomm.com>
>Acked-by: Jon Hunter <jonathanh@...dia.com>
>Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
>---
>Changes in v2:
>- Fixed typo in commit subject (Mikko Perttunen)
>- Link to v1: https://lore.kernel.org/r/20250903-governor-public-v1-1-111abd89a89a@oss.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(-)
>
>