From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752921AbdHIKRq (ORCPT ); Wed, 9 Aug 2017 06:17:46 -0400 Received: from foss.arm.com ([217.140.101.70]:45620 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752617AbdHIKRo (ORCPT ); Wed, 9 Aug 2017 06:17:44 -0400 Cc: Sudeep Holla , ALKML , LKML , DTML , Roy Franz , Harb Abdulhamid , Nishanth Menon , Arnd Bergmann , Loc Ho , Alexey Klimov , Ryan Harkin , Jassi Brar , "Rafael J. Wysocki" , linux-pm@vger.kernel.org Subject: Re: [PATCH v2 18/18] cpufreq: scmi: add support for fast frequency switching To: Viresh Kumar References: <1501857104-11279-1-git-send-email-sudeep.holla@arm.com> <1501857104-11279-19-git-send-email-sudeep.holla@arm.com> <20170809042825.GI28857@vireshk-i7> <0f89f543-39a9-30a5-4976-0c447f5fe843@arm.com> <20170809101301.GB29383@vireshk-i7> From: Sudeep Holla Organization: ARM Message-ID: <5bb13d54-f07b-6ca3-c77a-d7bebcdfc770@arm.com> Date: Wed, 9 Aug 2017 11:17:51 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20170809101301.GB29383@vireshk-i7> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/08/17 11:13, Viresh Kumar wrote: > On 09-08-17, 11:09, Sudeep Holla wrote: >> Firmware needs to serialize or override based on the timing of the two >> consecutive requests. > > Maybe add a comment over that routine and detail its working a bit? Like its not > synchronous, etc. I expect that you would also add a callback with SCMI, so that > the cpufreq driver is notified when frequency is changed ? > OK, will do. Yes, I don't have firmware implementing notifications yet, so waiting until I can test it. -- Regards, Sudeep