From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rajendra Nayak Subject: Re: [PATCH V4 1/9] PM / OPP: Allow OPP table to be used for power-domains Date: Thu, 27 Apr 2017 16:20:34 +0530 Message-ID: <9019aebe-95ba-b1b8-65a9-5be927934218@codeaurora.org> References: <0a7146f9-72f1-317c-3aab-770a72462968@arm.com> <20170413053736.GM5910@vireshk-i7> <3adbef6a-7b43-528f-e88f-c2121d30a5d3@arm.com> <20170417052758.GF28191@vireshk-i7> <95aa4b97-4e1a-13bb-f4d8-982b778012ba@arm.com> <9cd9287c-392b-d3ca-db7d-75c49287448e@codeaurora.org> <20170426135532.ryrh276znet5yvks@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-pm-owner@vger.kernel.org To: Sudeep Holla , Mark Brown Cc: Viresh Kumar , Rafael Wysocki , ulf.hansson@linaro.org, Kevin Hilman , Viresh Kumar , Nishanth Menon , Stephen Boyd , linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Vincent Guittot , robh+dt@kernel.org, lina.iyer@linaro.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org On 04/27/2017 03:12 PM, Sudeep Holla wrote: [].. >> >>> At qualcomm, we have an external M3 core (running its own firmware) which controls >>> a few voltage rails (including AVS on those). The devices vote for the voltage levels > > Thanks for explicitly mentioning this, but ... > >>> (or performance levels) they need by passing an integer value to the M3 (not actual > > you contradict here, is it just voltage or performance(i.e. frequency) > or both ? We need clarity there to choose the right representation. Its just voltage. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation