From patchwork Fri Aug 23 08:16:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maulik Shah X-Patchwork-Id: 11110963 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 54B071398 for ; Fri, 23 Aug 2019 08:18:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 31D96233A2 for ; Fri, 23 Aug 2019 08:18:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="k4+9gztg"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="k9QzRQ+I" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389680AbfHWISc (ORCPT ); Fri, 23 Aug 2019 04:18:32 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:42404 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388631AbfHWISc (ORCPT ); Fri, 23 Aug 2019 04:18:32 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 2C160608CC; Fri, 23 Aug 2019 08:18:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1566548310; bh=1GbHG78SpJmojCXUdDitKC6EvtNM7lX/s2bc+Panfa8=; h=From:To:Cc:Subject:Date:From; b=k4+9gztgTEKY8Slfd4OgSaJVM+hx9MLreb+6m5phqPyThV4A+Pa8L7LeeaTJlxDw2 7mWfBtrkYy/mHLDRlBnbYfaaAy391o5CaXBCQwDvs9E0RR61EKcHOZ6HrZN+47tqC+ WAaBn4S2jDvOvJrS7SYDn6ogIF5DcgmNqf1FejrI= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.7 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_INVALID,DKIM_SIGNED,SPF_NONE autolearn=no autolearn_force=no version=3.4.0 Received: from mkshah-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: mkshah@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id CE6E0608CC; Fri, 23 Aug 2019 08:18:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1566548308; bh=1GbHG78SpJmojCXUdDitKC6EvtNM7lX/s2bc+Panfa8=; h=From:To:Cc:Subject:Date:From; b=k9QzRQ+I81EFg07fzx9675Swl+AGsX7PXxXz/ZehUBf6rNy1cdaXSnI9D0yyBS91d xgcnlqpSwRceKf1K+s+M4Z4x+4ZRpWRju1LaoOEymLYfDcZaAb39EJcnqJcaXqn+PZ yA48ImCN+WgAUMEaq/mkofP66C4zn38+s+arRLpU= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org CE6E0608CC Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=mkshah@codeaurora.org From: Maulik Shah To: swboyd@chromium.org, agross@kernel.org, david.brown@linaro.org, linux-arm-msm@vger.kernel.org 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 Subject: [PATCH v2 0/6] Add RSC power domain support Date: Fri, 23 Aug 2019 13:46:57 +0530 Message-Id: <20190823081703.17325-1-mkshah@codeaurora.org> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Changes in v2: - Add Stephen's Reviewed-By to the first three patches - Addressed Stephen's comments on fourth patch - Include changes to connect rpmh domain to cpuidle and genpds Resource State Coordinator (RSC) is responsible for powering off/lowering the requirements from CPU subsystem for the associated hardware like buses, clocks, and regulators when all CPUs and cluster is powered down. RSC power domain uses last-man activities provided by genpd framework based 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 requirements by flushing the cached sleep and wake state votes for resources. Dependencies: [1] https://lkml.org/lkml/2019/5/13/839 Maulik Shah (6): drivers: qcom: rpmh: fix macro to accept NULL argument drivers: qcom: rpmh: remove rpmh_flush export dt-bindings: soc: qcom: Add RSC power domain specifier drivers: qcom: rpmh-rsc: Add RSC power domain support arm64: dts: Convert to the hierarchical CPU topology layout for sdm845 arm64: dts: Add rsc power domain for sdm845 .../devicetree/bindings/soc/qcom/rpmh-rsc.txt | 8 ++ arch/arm64/boot/dts/qcom/sdm845.dtsi | 105 +++++++++++++----- drivers/soc/qcom/rpmh-internal.h | 3 + drivers/soc/qcom/rpmh-rsc.c | 84 ++++++++++++++ drivers/soc/qcom/rpmh.c | 22 ++-- include/soc/qcom/rpmh.h | 5 - 6 files changed, 185 insertions(+), 42 deletions(-)