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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, FROM_LOCAL_NOVOWEL,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 B8070C64EB0 for ; Tue, 9 Oct 2018 06:36:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F4A821479 for ; Tue, 9 Oct 2018 06:36:21 +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="Dw+rIhgC"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="Dw+rIhgC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6F4A821479 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726747AbeJINvm (ORCPT ); Tue, 9 Oct 2018 09:51:42 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:37220 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725965AbeJINvl (ORCPT ); Tue, 9 Oct 2018 09:51:41 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 8679660BFA; Tue, 9 Oct 2018 06:36:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539066978; bh=THaBO7WDEyPh7lmwt2UlAWmNvLthbViivQXfNyGlWF0=; h=From:To:Cc:Subject:Date:From; b=Dw+rIhgCrDTNgEx7p1xZSBZCrY2WTth8rQC+TauSQ6kyi4lYV0r76vqcw8C07+woN Uo7cbbEch+WVK0HShVeV9cdbgxIgne5abLbsA8EjkLZH9WgH/eScJF+XbNBd8XM0ou hJ+qHo/cYeofr7t1JYThxDJcQKyuf8K18koyaT1A= Received: from rplsssn-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: rplsssn@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6C4CE60285; Tue, 9 Oct 2018 06:36:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539066978; bh=THaBO7WDEyPh7lmwt2UlAWmNvLthbViivQXfNyGlWF0=; h=From:To:Cc:Subject:Date:From; b=Dw+rIhgCrDTNgEx7p1xZSBZCrY2WTth8rQC+TauSQ6kyi4lYV0r76vqcw8C07+woN Uo7cbbEch+WVK0HShVeV9cdbgxIgne5abLbsA8EjkLZH9WgH/eScJF+XbNBd8XM0ou hJ+qHo/cYeofr7t1JYThxDJcQKyuf8K18koyaT1A= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6C4CE60285 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=rplsssn@codeaurora.org From: "Raju P.L.S.S.S.N" To: andy.gross@linaro.org, david.brown@linaro.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org Cc: rnayak@codeaurora.org, bjorn.andersson@linaro.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, sboyd@kernel.org, evgreen@chromium.org, dianders@chromium.org, mka@chromium.org, ilina@codeaurora.org, "Raju P.L.S.S.S.N" Subject: [PATCH RESEND v3 0/3] drivers/qcom: add additional functionality to RPMH Date: Tue, 9 Oct 2018 12:06:06 +0530 Message-Id: <1539066969-26970-1-git-send-email-rplsssn@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Resend: - removed unnecessary new line in patch 3. sorry for resend Changes in v3: - Simplify TCS locking - added a new patch - Add lock check to avoid potential race as suggested by Matthias - Add functionality to RSC controller to disallow active requests if solver mode is not set - Removed independent patches and posted as separate series[2] Changes in v2: - Remove unnecessary EXPORT_SYMBOL in rpmh-rsc This set of patches add additional functionality to RPMH drivers[1]. PM drivers can choose to disallow idle modes when RSC controller is busy sending or processing requests. The patches add necessary functions to query the controller status. The controllers may be in 'solver' state, where they could be in autonomous mode executing low power modes for their hardware and as such are not available for sending active votes. Functionality to get notified about such state and disallow requests for state change in that case is added in these patches. Please consider reviewing this patchset. This series is based on other patchset[2] v1:https://lkml.org/lkml/2018/7/19/213 v2:https://patchwork.kernel.org/cover/10546863/ [1] https://lkml.org/lkml/2018/6/20/519 [2] https://lkml.org/lkml/2018/10/3/422 Lina Iyer (2): drivers: qcom: rpmh-rsc: return if the controller is idle drivers: qcom: rpmh: disallow active requests in solver mode Raju P.L.S.S.S.N (1): drivers: qcom: rpmh-rsc: simplify TCS locking drivers/soc/qcom/rpmh-internal.h | 8 +++- drivers/soc/qcom/rpmh-rsc.c | 91 +++++++++++++++++++++++++++++----------- drivers/soc/qcom/rpmh.c | 84 +++++++++++++++++++++++++++++++------ include/soc/qcom/rpmh.h | 10 +++++ 4 files changed, 155 insertions(+), 38 deletions(-) -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation.