linux-kernel - [TEGRA194_CPUFREQ PATCH v5 0/4] Add cpufreq driver for Tegra194

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Message-ID: <1594649209-29394-1-git-send-email-sumitg@nvidia.com>
Date:   Mon, 13 Jul 2020 19:36:45 +0530
From:   Sumit Gupta <sumitg@...dia.com>
To:     <rjw@...ysocki.net>, <viresh.kumar@...aro.org>,
        <catalin.marinas@....com>, <will@...nel.org>,
        <thierry.reding@...il.com>, <robh+dt@...nel.org>,
        <mirq-linux@...e.qmqm.pl>, <devicetree@...r.kernel.org>,
        <jonathanh@...dia.com>, <talho@...dia.com>,
        <linux-pm@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <bbasu@...dia.com>, <sumitg@...dia.com>, <mperttunen@...dia.com>
Subject: [TEGRA194_CPUFREQ PATCH v5 0/4] Add cpufreq driver for Tegra194

Hi Viresh,

The patch series adds cpufreq driver for Tegra194 SOC.
Incorporated the feedback on previous version of patchset.
Please consider this patch series for merging in 5.9.

Hi Rob,
Can you please review/ack DT patches (1-2).

v4[4] -> v5
- Don't call destroy_workqueue() if alloc_workqueue() fails[Viresh]
- Move CONFIG_ARM_TEGRA194_CPUFREQ enabling to soc/tegra/Kconfig[Viresh]
- Add dependency of 'nvidia,bpmp' on 'compatible' in yaml file[Michal]
- Fix typo in description causing dt_binding_check bot failure[Rob]

v3[3] -> v4
- Open code LOOP_FOR_EACH_CPU_OF_CLUSTER macro[Viresh]
- Delete unused funciton map_freq_to_ndiv[Viresh, kernel test bot]
- Remove flush_workqueue from free_resources[Viresh]

v2[2] -> v3
- Set same policy for all cpus in a cluster[Viresh].
- Add compatible string for CPU Complex under cpus node[Thierry].
- Add reference to bpmp node under cpus node[Thierry].
- Bind cpufreq driver to CPU Complex compatible string[Thierry].
- Remove patch to get bpmp data as now using cpus node to get that[Thierry].

v1[1] -> v2:
- Remove cpufreq_lock mutex from tegra194_cpufreq_set_target [Viresh].
- Remove CPUFREQ_ASYNC_NOTIFICATION flag [Viresh].
- Remove redundant _begin|end() call from tegra194_cpufreq_set_target.
- Rename opp_table to freq_table [Viresh].

Sumit Gupta (4):
  dt-bindings: arm: Add t194 ccplex compatible and bpmp property
  arm64: tegra: Add t194 ccplex compatible and bpmp property
  cpufreq: Add Tegra194 cpufreq driver
  soc/tegra: cpufreq: select cpufreq for Tegra194

 Documentation/devicetree/bindings/arm/cpus.yaml |  11 +
 arch/arm64/boot/dts/nvidia/tegra194.dtsi        |   2 +
 drivers/cpufreq/Kconfig.arm                     |   6 +
 drivers/cpufreq/Makefile                        |   1 +
 drivers/cpufreq/tegra194-cpufreq.c              | 397 ++++++++++++++++++++++++
 drivers/soc/tegra/Kconfig                       |   1 +
 6 files changed, 418 insertions(+)
 create mode 100644 drivers/cpufreq/tegra194-cpufreq.c

[1] https://marc.info/?t=157539452300001&r=1&w=2
[2] https://marc.info/?l=linux-tegra&m=158602857106213&w=2
[3] https://marc.info/?l=linux-pm&m=159283376010084&w=2
[4] https://marc.info/?l=linux-tegra&m=159318640622917&w=2
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2.7.4