linux-kernel - Re: [PATCH 3/3] MIPS: BMIPS: enable CPUfreq

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Message-ID: <CAGt4E5vk6ciXPjh+ck-feyqmNu7cNRst3rArJ4MD7e8JWBfWMw@mail.gmail.com>
Date:   Fri, 3 Feb 2017 17:00:24 -0800
From:   Markus Mayer <markus.mayer@...adcom.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Markus Mayer <code@...yer.net>, Ralf Baechle <ralf@...ux-mips.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        MIPS Linux Kernel List <linux-mips@...ux-mips.org>,
        Power Management List <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] MIPS: BMIPS: enable CPUfreq

On 2 February 2017 at 20:29, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> On 01-02-17, 17:06, Markus Mayer wrote:
>> From: Markus Mayer <mmayer@...adcom.com>
>>
>> Enable all applicable CPUfreq options.
>>
>> Signed-off-by: Markus Mayer <mmayer@...adcom.com>
>> ---
>>  arch/mips/configs/bmips_stb_defconfig | 10 ++++++++++
>>  1 file changed, 10 insertions(+)
>>
>> diff --git a/arch/mips/configs/bmips_stb_defconfig b/arch/mips/configs/bmips_stb_defconfig
>> index 4eb5d6e..6fda604 100644
>> --- a/arch/mips/configs/bmips_stb_defconfig
>> +++ b/arch/mips/configs/bmips_stb_defconfig
>> @@ -26,6 +26,16 @@ CONFIG_INET=y
>>  # CONFIG_INET_XFRM_MODE_BEET is not set
>>  # CONFIG_INET_LRO is not set
>>  # CONFIG_INET_DIAG is not set
>> +CONFIG_CPU_FREQ=y
>> +CONFIG_CPU_FREQ_STAT=y
>> +CONFIG_CPU_FREQ_STAT_DETAILS=y
>> +CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
>> +CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
>> +CONFIG_CPU_FREQ_GOV_ONDEMAND=y
>> +CONFIG_CPU_FREQ_GOV_POWERSAVE=y
>> +CONFIG_CPU_FREQ_GOV_USERSPACE=y
>> +CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
>> +CONFIG_BMIPS_CPUFREQ=y
>>  CONFIG_CFG80211=y
>>  CONFIG_NL80211_TESTMODE=y
>>  CONFIG_MAC80211=y
>
> Rebase your stuff over pm/linux-next and you will see some changes here. Also
> schedutil is the new governor in town, you must give it a try.

I'll definitely turn on SCHEDUTIL. As for the changes in next, I don't
see any conflicts. My series applied fine on top of linux-next from
https://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git/. Did
I use the wrong tree?

$ git log

commit f81d425292d7d14d45eedc16b9f59066e6640500
Author: Markus Mayer <mmayer@...adcom.com>
Date:   Wed Feb 1 16:45:06 2017 -0800

    MIPS: BMIPS: enable CPUfreq

    Enable all applicable CPUfreq options.

    Signed-off-by: Markus Mayer <mmayer@...adcom.com>

commit 9b71c19f3d9af3867f8ec144305b7f23bfaa42f3
Author: Markus Mayer <mmayer@...adcom.com>
Date:   Wed Feb 1 16:19:01 2017 -0800

    cpufreq: bmips-cpufreq: CPUfreq driver for Broadcom's BMIPS SoCs

    Add the MIPS CPUfreq driver. This driver currently supports CPUfreq on
    BMIPS5xxx-based SoCs.

    Signed-off-by: Markus Mayer <mmayer@...adcom.com>

commit 3a2894802066c8a24da6890bcc2c0b7fae1ccb40
Author: Markus Mayer <mmayer@...adcom.com>
Date:   Wed Feb 1 16:16:55 2017 -0800

    BMIPS: Enable prerequisites for CPUfreq in MIPS Kconfig.

    Turn on CPU_SUPPORTS_CPUFREQ and MIPS_EXTERNAL_TIMER for BMIPS.

    Signed-off-by: Markus Mayer <mmayer@...adcom.com>

commit fd4c9e3a71b4c967731c99525a2e94085a776638
Merge: ba358f6 a9306a6
Author: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Date:   Sat Feb 4 00:45:12 2017 +0100

    Merge branch 'pm-core-fixes' into linux-next

    * pm-core-fixes:
      PM / runtime: Avoid false-positive warnings from might_sleep_if()

...

Thanks,
-Markus

> --
> viresh