From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34500C433FF for ; Wed, 14 Aug 2019 18:19:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 10294214C6 for ; Wed, 14 Aug 2019 18:19:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="bSWNJRfN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728357AbfHNSTc (ORCPT ); Wed, 14 Aug 2019 14:19:32 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:45334 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726585AbfHNSTc (ORCPT ); Wed, 14 Aug 2019 14:19:32 -0400 Received: by mail-pg1-f193.google.com with SMTP id o13so53476753pgp.12 for ; Wed, 14 Aug 2019 11:19:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=message-id:mime-version:content-transfer-encoding:in-reply-to :references:subject:from:cc:to:user-agent:date; bh=cemWnJlXygQVUHs5+9IULKNWTiOcpifvvGT6fgr1/ss=; b=bSWNJRfNBipTymbkmcbI5jJ3xyct+DaLS3dGG6WRYspIUm5G+b1NTo0h1QJTLpvS7m J5I65FRuW6QrGcoTfpiTZgdQCr5st4md64gdF/URuzzvrSyp8enuxe4pg4FyEk7nkNrc zolJ+z234CDVbXYq6L2hbnJQvCju5CwF5qCjo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:mime-version :content-transfer-encoding:in-reply-to:references:subject:from:cc:to :user-agent:date; bh=cemWnJlXygQVUHs5+9IULKNWTiOcpifvvGT6fgr1/ss=; b=IX+irLfFfKSxvnKDkmgFahqgVpMeUieh8cPTJbqga7OjYvZvKseQbGgteCZbA7ChIn rQh/kWo+ltGk9ugnvwW4iRAoJ6jJropEDTU+FFgla+Ow58V+dGdxHOVfTcqF1TPryAC9 ecTCb2KsY990hNUDhmYrI3PmssihrxEENo1KNiPRueJ+6HU/XZSH/3eunZbVTc1aYHDU X09+VMCkEYazT0rJQmdT55XkjimT7SqMcGd/xyJjbYj09TUZBOnSn1MK/eFMqPGnkSrR Kz7DoPZE1FvzrhCcH/6DO6qV18kNF4Knl5iulKCQDIKRogN3hFluTzejS8JWUKUdXfre 5vdw== X-Gm-Message-State: APjAAAX0j1hKAakhi0zHE/5wyD67LQZvyrDMHPtHxMgJ7dgyreAIg5B3 uGYa3ZQAvyKcoclESKi9Skh1Tg== X-Google-Smtp-Source: APXvYqyq21lgcDuREFVcb4CjJEe4M1+jIFdEW9koO5WaBv/ywvDRXPU6oHaKN9VXlRtTSxSUXPMCmA== X-Received: by 2002:a65:518a:: with SMTP id h10mr398117pgq.117.1565806771571; Wed, 14 Aug 2019 11:19:31 -0700 (PDT) Received: from chromium.org ([2620:15c:202:1:fa53:7765:582b:82b9]) by smtp.gmail.com with ESMTPSA id o4sm790460pje.28.2019.08.14.11.19.30 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 14 Aug 2019 11:19:30 -0700 (PDT) Message-ID: <5d5450b2.1c69fb81.ec1c1.1cb2@mx.google.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20190813082442.25796-1-mkshah@codeaurora.org> References: <20190813082442.25796-1-mkshah@codeaurora.org> Subject: Re: [PATCH 0/4] Add RSC power domain support From: Stephen Boyd Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, bjorn.andersson@linaro.org, evgreen@chromium.org, dianders@chromium.org, rnayak@codeaurora.org, ilina@codeaurora.org, lsrao@codeaurora.org, ulf.hansson@linaro.org, Maulik Shah To: Maulik Shah , agross@kernel.org, david.brown@linaro.org, linux-arm-msm@vger.kernel.org User-Agent: alot/0.8.1 Date: Wed, 14 Aug 2019 11:19:29 -0700 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Quoting Maulik Shah (2019-08-13 01:24:38) > Resource State Coordinator (RSC) is responsible for powering off/lowering > the requirements from CPU subsystem for the associated hardware like buse= s, > clocks, and regulators when all CPUs and cluster is powered down. >=20 > RSC power domain uses last-man activities provided by genpd framework bas= ed on > Ulf Hansoon's patch series[1], when the cluster of CPUs enter deepest idle > states. As a part of domain poweroff, RSC can lower resource state requir= ements > by flushing the cached sleep and wake state votes for resources. This series looks like half the solution. Is there a full set of patches that connects the RPMh power domain to cpuidle and genpds?