linux-kernel - [PATCH 0/3] OPP: Simplify set_required

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Date:   Wed, 22 Feb 2023 16:36:36 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Jun Nie <jun.nie@...aro.org>, Nishanth Menon <nm@...com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Viresh Kumar <vireshk@...nel.org>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>, linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/3] OPP: Simplify set_required_opp handling

Hello,

The required-opps configuration is closely tied to genpd and performance
states at the moment and it is not very obvious that required-opps can
live without genpds. Though we don't support configuring required-opps
for non-genpd cases currently.

This patchset aims at cleaning up this a bit, just like what's done for clk and
regulators. This also makes it possible for platforms to provide their own
version of set_required_opps() helper, which can be used to configure the
devfreq device propertly.

Jun,

I haven't found time to test this through yet, though there isn't much anyway I
guess. Can you see if these can solve your problem properly ?

Viresh Kumar (3):
  OPP: Handle all genpd cases together in _set_required_opps()
  OPP: Move required opps configuration to specialized callback
  OPP: Allow platforms to add a set_required_opps() callback

 drivers/opp/core.c     | 113 ++++++++++++++++++++++++++++-------------
 drivers/opp/of.c       |   3 ++
 drivers/opp/opp.h      |   4 ++
 include/linux/pm_opp.h |   5 ++
 4 files changed, 91 insertions(+), 34 deletions(-)

-- 
2.31.1.272.g89b43f80a514