[cip-dev] [PATCH 4.4.y-cip 00/11] ti-cpufreq backport - Chen-Yu Tsai (Moxa)

From: "Chen-Yu Tsai (Moxa)" <wens@csie.org>
To: nobuhiro1.iwamatsu@toshiba.co.jp, pavel@denx.de
Cc: cip-dev@lists.cip-project.org, JohnsonCH.Chen@moxa.com,
	victor.yu@moxa.com, wens@csie.org
Subject: [cip-dev] [PATCH 4.4.y-cip 00/11] ti-cpufreq backport
Date: Wed,  9 Sep 2020 12:42:22 +0800	[thread overview]
Message-ID: <20200909044233.4115-1-wens@csie.org> (raw)

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Hi everyone,

This is the final part of MOXA's PM / OPP / ti-cpufreq backport series.
Part 2, which consisted of OPP / cpufreq-dt cleanups, is abandoned in
favor of directly backporting the ti-cpufreq driver.

This part includes a couple of patches to the PM / OPP subsystem to
expose required APIs, and deal with the v1/v2 mixed OPP table used
by am33xx. The rest are the backport of the ti-cpufreq driver, and
fixes for this driver. The fixes were requested by CIP kernel
maintainers as part of MOXA's previous attempt to backport ti-cpufreq.
They are included as separate patches, as there are quite a few of them
spread over multiple kernel releases.

The result is that my BeagleBone Black can run at higher speeds than
without the ti-cpufreq driver due to having a better silicon revision.

Please have a look.

Regards
ChenYu

Christophe Jaillet (1):
  cpufreq: ti: Fix 'of_node_put' being called twice in error handling
    path

Dave Gerlach (6):
  PM / OPP: Expose _of_get_opp_desc_node as dev_pm_opp API
  Documentation: dt: add bindings for ti-cpufreq
  cpufreq: ti: Add cpufreq driver to determine available OPPs at runtime
  cpufreq: dt: Don't use generic platdev driver for ti-cpufreq platforms
  ARM: omap2plus_defconfig: Enable support for ti-cpufreq
  ARM: dts: am33xx: Add updated operating-points-v2 table for cpu

Suman Anna (1):
  cpufreq: ti-cpufreq: Fix an incorrect error return value

Viresh Kumar (1):
  PM / OPP: Parse clock-latency and voltage-tolerance for v1 bindings

Zumeng Chen (2):
  cpufreq: ti-cpufreq: kfree opp_data when failure
  cpufreq: ti-cpufreq: add missing of_node_put()

 .../bindings/cpufreq/ti-cpufreq.txt           | 128 ++++++++
 arch/arm/boot/dts/am33xx.dtsi                 |  87 +++++-
 arch/arm/configs/omap2plus_defconfig          |   1 +
 arch/arm/mach-omap2/pm.c                      |   3 +
 drivers/base/power/opp/core.c                 |  25 +-
 drivers/base/power/opp/cpu.c                  |   4 +-
 drivers/base/power/opp/opp.h                  |   6 +
 drivers/cpufreq/Kconfig.arm                   |  11 +
 drivers/cpufreq/Makefile                      |   1 +
 drivers/cpufreq/ti-cpufreq.c                  | 276 ++++++++++++++++++
 include/linux/pm_opp.h                        |   6 +
 11 files changed, 531 insertions(+), 17 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/cpufreq/ti-cpufreq.txt
 create mode 100644 drivers/cpufreq/ti-cpufreq.c

-- 
2.28.0

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