linux-kernel - [PATCH v3 00/12] OPP API fixes and improvements

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Message-Id: <20210118005524.27787-1-digetx@gmail.com>
Date:   Mon, 18 Jan 2021 03:55:12 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...nel.org>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Viresh Kumar <vireshk@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>, Nishanth Menon <nm@...com>,
        Yangtao Li <tiny.windzz@...il.com>,
        Matt Merhar <mattmerhar@...tonmail.com>
Cc:     linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: [PATCH v3 00/12] OPP API fixes and improvements

Hi,

This series fixes problems and adds features to OPP API that are required
for implementation of a power domain driver for NVIDIA Tegra SoCs.

It is a continuation of [1], where Viresh Kumar asked to factor OPP
patches into a separate series. I factored out the patches into this
series, addressed the previous review comments and re-based patches
on top of [2], which replaced some of my patches that added resource-managed
helpers.

[1] https://patchwork.ozlabs.org/project/linux-tegra/list/?series=221130
[2] https://lore.kernel.org/linux-pm/20210101165507.19486-1-tiny.windzz@gmail.com/

Changelog:

v3: - Reordered patches by importance.

    - Added locking to dev_pm_opp_set_voltage().

    - Reworked "Fix adding OPP entries in a wrong order if rate is unavailable"
      patch, like it was suggested by Viresh Kumar.

    - Reworked "Support set_opp() customization without requiring to use
      regulators" patch, like it was suggested by Viresh Kumar.

      The opp_table->set_opp_data is now allocated by dev_pm_opp_register_set_opp_helper().

      The set_opp_data is refcounted now and can be allocated by any other
      OPP functions if this will become needed in the future for other OPP API
      changes.

Dmitry Osipenko (12):
  opp: Fix adding OPP entries in a wrong order if rate is unavailable
  opp: Filter out OPPs based on availability of a required-OPP
  opp: Correct debug message in _opp_add_static_v2()
  opp: Add dev_pm_opp_sync_regulators()
  opp: Add dev_pm_opp_set_voltage()
  opp: Add dev_pm_opp_find_level_ceil()
  opp: Add dev_pm_opp_get_required_pstate()
  opp: Add devm_pm_opp_register_set_opp_helper
  opp: Add devm_pm_opp_attach_genpd
  opp: Support set_opp() customization without requiring to use
    regulators
  opp: Handle missing OPP table in dev_pm_opp_xlate_performance_state()
  opp: Print OPP level in debug message of _opp_add_static_v2()

 drivers/opp/core.c     | 309 +++++++++++++++++++++++++++++++++++++++--
 drivers/opp/of.c       |   9 +-
 include/linux/pm_opp.h |  49 +++++++
 3 files changed, 349 insertions(+), 18 deletions(-)

-- 
2.29.2