linux-kernel - [PATCH v8 0/3] CPUFreq: Add support for opp-sharing cpus

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Date:   Thu, 18 Feb 2021 22:23:23 +0000
From:   Nicola Mazzucato <nicola.mazzucato@....com>
To:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pm@...r.kernel.org, sudeep.holla@....com, rjw@...ysocki.net,
        vireshk@...nel.org, cristian.marussi@....com
Cc:     morten.rasmussen@....com, chris.redpath@....com,
        ionela.voinescu@....com, nicola.mazzucato@....com
Subject: [PATCH v8 0/3] CPUFreq: Add support for opp-sharing cpus

Hi Viresh,

In this V8 I have addressed your comments:
- correct the goto in patch 1/3
- improve comment in patch 2/3 for dev_pm_opp_get_opp_count()

Many thanks,
Nicola

[v8]
  * Correct "goto" in patch 1/3
  * Improve comment in patch 2/3 for dev_pm_opp_get_opp_count()

This v8 is rebased on v5.11

[v7]
  * Bring back common stuff for CPUs from _init stage to _probe
  * Remove patch "scmi-cpufreq: Move CPU initialisation to probe"

This v7 is based on Linux 5.11-rc6

[v6]
  * Remove deferred probe, not occurring
  * Move common stuff for CPUs from _init stage to _probe

This V6 is rebased on next-20210111

[v5]
  * Rework documentation of opp-shared within OPP node
  * Register EM only for the first CPU within cpumask in driver
  * Add check for nr_opp in driver before registering EM
  * Add comments on both dev_pm_opp_get_opp_count in driver
  * Remove redundant ret=0 in driver

This v5 is rebased on top of:
next-20201208 + Lukasz Luba's patches [1]

[v4]
  * Remove unconditional set of opp_table->shared_opp to exclusive
  * Add implementation for scmi-cpufreq
  * Change subject

These patches are on top of:
next-20201201 + Lukasz Luba's patches (waiting for Rafael) [1]

[v3]
  * Remove proposal for new 'cpu-performance-dependencies' as we instead
    can reuse the opp table.
  * Update documentation for devicetree/bindings/opp
  * Minor changes within opp to support empty opp table
  * Rework the RFC by adding a second proposal

[v2]
  * Fix errors when running make dt_binding_check
  * Improve commit message description for the dt-binding
  * Add RFC for implementation in cpufreq-core and one of its
    drivers.

Nicola Mazzucato (2):
  scmi-cpufreq: Remove deferred probe
  scmi-cpufreq: Get opp_shared_cpus from opp-v2 for EM

Sudeep Holla (1):
  cpufreq: blacklist Arm Vexpress platforms in cpufreq-dt-platdev

 drivers/cpufreq/cpufreq-dt-platdev.c |  2 +
 drivers/cpufreq/scmi-cpufreq.c       | 72 +++++++++++++++++++++-------
 2 files changed, 56 insertions(+), 18 deletions(-)

-- 
2.27.0