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 5B27FC00449 for ; Tue, 9 Oct 2018 02:08:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1FA2C2086D for ; Tue, 9 Oct 2018 02:08:45 +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="cJP2YYMi"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="aZ3O5Ck8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1FA2C2086D 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 S1726928AbeJIJXR (ORCPT ); Tue, 9 Oct 2018 05:23:17 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:56218 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726721AbeJIJXR (ORCPT ); Tue, 9 Oct 2018 05:23:17 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 6AE6360C1C; Tue, 9 Oct 2018 02:08:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539050922; bh=2n9AC0v1eFlw0KQF9w3vTmaH7KwSEZ0C0ty/NAUUOv0=; h=From:To:Cc:Subject:Date:From; b=cJP2YYMinf1rondRbFnLzTHAJ4J3KgPmaTVHc8EfGgZTy3PSiBgGhRAzgbSEZ9Xl3 a4O5dYmQpAq4TayzUmlOVSw+loXaxPyzmUxKa7C1V8wrd/PHHhE+dgeiG5xKcEMbTM VPM6/L4VBMkDpbH5DbhnnpjMYXqp2fstn84M8/Eo= 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 3501760249; Tue, 9 Oct 2018 02:08:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539050921; bh=2n9AC0v1eFlw0KQF9w3vTmaH7KwSEZ0C0ty/NAUUOv0=; h=From:To:Cc:Subject:Date:From; b=aZ3O5Ck8MnNCNktTIueOjdF9VpIai2t0dpDmHSo3sTZynkicsmqJTxXE9eMG0W5Bj S+sYAQvy9Tgrn7cmFZRgbIdbANAmyUx+wAw3FfUZFg2MVE/rQqAF6r0V4v/jaIItCa kfvJN+b87G/082Ih8/PZoUwzQwtHR5aDkJ4f3ppk= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 3501760249 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 v3 0/3] drivers/qcom: add additional functionality to RPMH Date: Tue, 9 Oct 2018 07:38:29 +0530 Message-Id: <1539050912-25749-1-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 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 | 92 +++++++++++++++++++++++++++++----------- drivers/soc/qcom/rpmh.c | 84 ++++++++++++++++++++++++++++++------ include/soc/qcom/rpmh.h | 10 +++++ 4 files changed, 156 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.