linux-kernel - [PATCH v2 00/17] More improvements for Tegra30 devfreq driver

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Date:   Wed, 26 Jun 2019 04:32:34 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:     linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 00/17] More improvements for Tegra30 devfreq driver

Hello,

This series addresses some additional review comments that were made by
Thierry Reding to [1] and makes several important changes to the driver,
fixing excessive interrupts activity. In the end I'm proposing myself as
a maintainer for the Tegra devfreq drivers.

[1] https://lore.kernel.org/lkml/0fb50eb1-a173-1756-6889-2526a10ac707@gmail.com/T/

Changelog:

v2:  Added more patches that are cleaning driver's code further and
     squashing another kHz conversion bug.

     The patch "Rework frequency management logic" of the v1 series is now
     converted to "Set up watermarks properly" because I found some problems
     in the original patch and then realized that there is no need to change
     the logic much. So the logic mostly preserved and only got improvements.

     The series is based on the today's linux-next (25 Jun) and takes into
     account minor changes that MyungJoo Ham made to the already queued
     patches from the first batch [1].

Dmitry Osipenko (17):
  PM / devfreq: tegra30: Change irq type to unsigned int
  PM / devfreq: tegra30: Keep interrupt disabled while governor is
    stopped
  PM / devfreq: tegra30: Handle possible round-rate error
  PM / devfreq: tegra30: Drop write-barrier
  PM / devfreq: tegra30: Set up watermarks properly
  PM / devfreq: tegra30: Tuneup boosting thresholds
  PM / devfreq: tegra30: Use CPUFreq notifier
  PM / devfreq: tegra30: Move clk-notifier's registration to governor's
    start
  PM / devfreq: tegra30: Reset boosting on startup
  PM / devfreq: tegra30: Don't enable consecutive-down interrupt on
    startup
  PM / devfreq: tegra30: Add debug messages
  PM / devfreq: tegra30: Inline all one-line functions
  PM / devfreq: tegra30: Constify structs
  PM / devfreq: tegra30: Ensure that target freq won't overflow
  PM / devfreq: tegra30: Fix integer overflow on CPU's freq max out
  PM / devfreq: tegra30: Use kHz units uniformly in the code
  PM / devfreq: tegra20/30: Add Dmitry as a maintainer

 MAINTAINERS                       |   9 +
 drivers/devfreq/tegra30-devfreq.c | 562 +++++++++++++++++++++---------
 2 files changed, 413 insertions(+), 158 deletions(-)

-- 
2.22.0