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

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Message-ID: <555fa0d1-6499-3d40-29c3-0c3148a6bff0@arm.com>
Date:   Wed, 8 Nov 2017 15:42:39 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Sudeep Holla <sudeep.holla@....com>,
        "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>, Loc Ho <lho@....com>,
        Ryan Harkin <Ryan.Harkin@....com>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH v4 20/20] cpufreq: scmi: add support for fast frequency
 switching



On 08/11/17 11:05, Arnd Bergmann wrote:
> 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.
> 
> Yes, that makes sense.
> 


Thanks Arnd. Thanks Rafael for the ack.

-- 
Regards,
Sudeep