linux-kernel - Re: [PATCH v10 17/27] drivers: firmware: psci: Prepare to support PM domains

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Message-ID: <66f0871e-fd1d-2f9a-13ce-1164c04e65ca@linaro.org>
Date:   Fri, 21 Dec 2018 08:15:05 +0100
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Sudeep Holla <sudeep.holla@....com>,
        Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
        Mark Rutland <mark.rutland@....com>,
        Linux PM <linux-pm@...r.kernel.org>,
        "Raju P . L . S . S . S . N" <rplsssn@...eaurora.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Tony Lindgren <tony@...mide.com>,
        Kevin Hilman <khilman@...nel.org>,
        Lina Iyer <ilina@...eaurora.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v10 17/27] drivers: firmware: psci: Prepare to support PM
 domains

On 20/12/2018 22:37, Ulf Hansson wrote:
> On Thu, 20 Dec 2018 at 19:06, Daniel Lezcano <daniel.lezcano@...aro.org> wrote:
>>
>> On 20/12/2018 16:49, Ulf Hansson wrote:
>>
>> [ ... ]
>>
>>>>> +#ifdef CONFIG_CPU_IDLE
>>>>
>>>> It would be nicer if you can remove the CONFIG_CPU_IDLE by replacing it
>>>> with a specific one (eg. CONFIG_PSCI_IDLE) and make it depend on
>>>> CONFIG_CPU_IDLE, so the config options stay contained in their
>>>> respective subsystems directory.
>>>
>>> I am all for simplifying the Kconfig options in here, as indeed it's
>>> rather messy. However, I would rather avoid folding in additional
>>> cleanup changes to this series, is already extensive enough.
>>>
>>> Would you be okay if we deal with that on top?
>>
>> IMO, there are patches in this series which can be grouped into a
>> cleanup + set the scene patchset and merged immediately. An option
>> similar to ARM_SCMI_POWER_DOMAIN can be part of it.
> 
> I certainly agree to that. The tricky is, to know what pieces people
> are happy with to go in. :-)
> 
> Earlier, in v9 I tried your suggested approach (kind of), but then
> Lorenzo stated that it's kind of all or nothing. Maybe we can bring up
> that discussion again with him and see what we can figure out.
> 
>>
>> However, if you swear you will do the change after and sign with your
>> blood, I'm fine with that 0:)
>>
> 
> Whatever it takes!
> 
> Anyway, as stated, the reason why I want to tackle that on top, is
> that I don't want to make the series more extensive than it already
> is.
> 
> Agree?

Yes

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