From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752408AbeABGdf (ORCPT + 1 other); Tue, 2 Jan 2018 01:33:35 -0500 Received: from mail-pg0-f65.google.com ([74.125.83.65]:46790 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752377AbeABGdb (ORCPT ); Tue, 2 Jan 2018 01:33:31 -0500 X-Google-Smtp-Source: ACJfBouafLfWqE8KX9cCeWXF+Sxo6Xpjqp1Bp+miiU+lo2FVmWBVvOwolTK2zHf3/R18LKmdAdi13Q== Date: Tue, 2 Jan 2018 12:03:27 +0530 From: Viresh Kumar To: Rajendra Nayak Cc: Rob Herring , Ulf Hansson , Kevin Hilman , Viresh Kumar , Nishanth Menon , Stephen Boyd , Rafael Wysocki , linux-pm@vger.kernel.org, Vincent Guittot , Sudeep Holla , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH V8 3/3] OPP: Allow "opp-hz" and "opp-microvolt" to contain magic values Message-ID: <20180102063327.GB15166@vireshk-i7> References: <476d7ae69184d787ccc6d99f8df6069007fd0a91.1513591822.git.viresh.kumar@linaro.org> <20171226202955.32j7gzonrixtwdpt@rob-hp-laptop> <20171227085645.GF8312@vireshk-i7> <20171228043725.GB8652@vireshk-i7> <3721988e-fa13-c5dc-9ee6-490ed9b4b767@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3721988e-fa13-c5dc-9ee6-490ed9b4b767@codeaurora.org> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On 02-01-18, 11:35, Rajendra Nayak wrote: > I would want to reiterate what I have been saying for a while, that for these patches > to be usable on any qualcomm platform completely we need support to associate > multiple power-domains to a single device which is missing today. Sure, but I had the understanding based on our last communication that you are going to go with partial support for now and multiple domain thing will be done later on. > What I have been testing with these patches is to move a single user (MMC, which BTW does not > have to put requests on multiple powerdomains) to use this solution on a db820c (msm8996) device. Right. > Getting this merged now can open up issues for other devices (which can't move to this solution) > since MMC alone would put requests to pull a *common* rail up/down while others can't. Even on that I thought that you will artificially vote for a high requirement for those devices from some platform code initially, and remove that code once all the device drivers (you need) are updated to post their own requirements. -- viresh From mboxrd@z Thu Jan 1 00:00:00 1970 From: Viresh Kumar Subject: Re: [PATCH V8 3/3] OPP: Allow "opp-hz" and "opp-microvolt" to contain magic values Date: Tue, 2 Jan 2018 12:03:27 +0530 Message-ID: <20180102063327.GB15166@vireshk-i7> References: <476d7ae69184d787ccc6d99f8df6069007fd0a91.1513591822.git.viresh.kumar@linaro.org> <20171226202955.32j7gzonrixtwdpt@rob-hp-laptop> <20171227085645.GF8312@vireshk-i7> <20171228043725.GB8652@vireshk-i7> <3721988e-fa13-c5dc-9ee6-490ed9b4b767@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <3721988e-fa13-c5dc-9ee6-490ed9b4b767-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Rajendra Nayak Cc: Rob Herring , Ulf Hansson , Kevin Hilman , Viresh Kumar , Nishanth Menon , Stephen Boyd , Rafael Wysocki , linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Vincent Guittot , Sudeep Holla , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: devicetree@vger.kernel.org On 02-01-18, 11:35, Rajendra Nayak wrote: > I would want to reiterate what I have been saying for a while, that for these patches > to be usable on any qualcomm platform completely we need support to associate > multiple power-domains to a single device which is missing today. Sure, but I had the understanding based on our last communication that you are going to go with partial support for now and multiple domain thing will be done later on. > What I have been testing with these patches is to move a single user (MMC, which BTW does not > have to put requests on multiple powerdomains) to use this solution on a db820c (msm8996) device. Right. > Getting this merged now can open up issues for other devices (which can't move to this solution) > since MMC alone would put requests to pull a *common* rail up/down while others can't. Even on that I thought that you will artificially vote for a high requirement for those devices from some platform code initially, and remove that code once all the device drivers (you need) are updated to post their own requirements. -- viresh -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html