linux-kernel - Re: [PATCH v4 20/20] cpufreq: scmi: add support for fast frequency switching

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Message-ID: <CAJZ5v0hAiJBrdXNn2Gf_aC4z-UmBg8t4fTNRbWTPsvk+kFtABA@mail.gmail.com>
Date:   Wed, 8 Nov 2017 12:21:16 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Sudeep Holla <sudeep.holla@....com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        ALKML <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        Roy Franz <roy.franz@...ium.com>,
        Harb Abdulhamid <harba@...eaurora.org>,
        Nishanth Menon <nm@...com>, Arnd Bergmann <arnd@...db.de>,
        Loc Ho <lho@....com>, Ryan Harkin <Ryan.Harkin@....com>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Linux PM <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v4 20/20] cpufreq: scmi: add support for fast frequency switching

On Wed, Nov 8, 2017 at 11:42 AM, Sudeep Holla <sudeep.holla@....com> wrote:
>
>
> On 08/11/17 00:24, Rafael J. Wysocki wrote:
>> On Friday, November 3, 2017 3:47:57 PM CET Sudeep Holla wrote:
>>> The cpufreq core provides option for drivers to implement fast_switch
>>> callback which is invoked for frequency switching from interrupt context.
>>>
>>> This patch adds support for fast_switch callback in SCMI cpufreq driver
>>> by making use of polling based SCMI transfer. It also sets the flag
>>> fast_switch_possible.
>>>
>>> Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>
>>> Cc: Viresh Kumar <viresh.kumar@...aro.org>
>>> Cc: linux-pm@...r.kernel.org
>>> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
>>
>> I'm assuming that this material will go in along with the rest of the series
>> through a different tree.
>>
>
> Indeed, I will ask ARM-SoC guys to take it via their tree when ready. I
> assume you are fine with that, please provide ack if that's still the case.

OK

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

as long as the changes are fine by Viresh.