linux-kernel - [TEGRA194_CPUFREQ PATCH v4 0/4] Add cpufreq driver for Tegra194

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Message-ID: <1593186236-12760-1-git-send-email-sumitg@nvidia.com>
Date:   Fri, 26 Jun 2020 21:13:52 +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>,
        <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 v4 0/4] Add cpufreq driver for Tegra194

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

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
  arm64: defconfig: Enable CONFIG_ARM_TEGRA194_CPUFREQ

 Documentation/devicetree/bindings/arm/cpus.yaml |   9 +
 arch/arm64/boot/dts/nvidia/tegra194.dtsi        |   2 +
 arch/arm64/configs/defconfig                    |   1 +
 drivers/cpufreq/Kconfig.arm                     |   6 +
 drivers/cpufreq/Makefile                        |   1 +
 drivers/cpufreq/tegra194-cpufreq.c              | 396 ++++++++++++++++++++++++
 6 files changed, 415 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
-- 
2.7.4