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=-2.1 required=3.0 tests=DKIM_SIGNED, FROM_LOCAL_NOVOWEL,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, T_DKIM_INVALID,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 BC11AC468C6 for ; Thu, 19 Jul 2018 09:19:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7363920671 for ; Thu, 19 Jul 2018 09:19:49 +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="eGde0bPh"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="LDZfCNnO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7363920671 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 S1727555AbeGSKCB (ORCPT ); Thu, 19 Jul 2018 06:02:01 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:39868 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725777AbeGSKCA (ORCPT ); Thu, 19 Jul 2018 06:02:00 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 5C1D960B12; Thu, 19 Jul 2018 09:19:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1531991986; bh=KdLNVDkSxNhVn+2PFyM2EtUfOXpjM6S/RFQTecj6AMw=; h=From:To:Cc:Subject:Date:From; b=eGde0bPhsbYh3yHNKtX2AbMJjJvVlMLBvHg3Pdzq8P7HSYzcOM+tYQkzYZDP2QRNf GPJ8pmrAfIZypkJpRDesUIgzNkB9lk5GCUBKbBgPy2u2FUJ2CPKdDjs8o+4zfcPixw 5wiSRC40CVD2fotqPb7+8Q8btc7IgZD9hTUF74kc= 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 0600360541; Thu, 19 Jul 2018 09:19:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1531991985; bh=KdLNVDkSxNhVn+2PFyM2EtUfOXpjM6S/RFQTecj6AMw=; h=From:To:Cc:Subject:Date:From; b=LDZfCNnOii6pi9CQbzdg0mS8ELF3rCDkS7BUCo462yT6Y4rOhAlPEI+bhXm+2Kkq1 hHqyLhiSiCrmSoe4P6pGcUni0SaDoKpkvrTEFrlE9+h0/y+1yD8k6W6VQwMZ5/iC6b CtNA+67qBCsQyiak8KoDxN4WtWu2hsH4YtGjMqlI= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 0600360541 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, sboyd@kernel.org, evgreen@chromium.org, dianders@chromium.org, mka@chromium.org, ilina@codeaurora.org, "Raju P.L.S.S.S.N" Subject: [PATCH 0/6] drivers/qcom: add additional functionality to RPMH Date: Thu, 19 Jul 2018 14:49:29 +0530 Message-Id: <1531991975-23665-1-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 From: "Raju P.L.S.S.S.N" 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 necesary 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. The Power Domain Controller can be programmed to wakeup the RSC and setup the resources back in the active state, before the processor is woken up by a timer interrupt. The wakeup value from the timer hardware can be copied to the PDC which has its own timer and is in an always-on power domain. Programming the wakeup value is done through a separate register on the RSC. Fuctions necessary to program wakeup is added in the patches. Please consider reviewing this patchset. [1] https://lkml.org/lkml/2018/6/20/519 Lina Iyer (5): drivers: qcom: rpmh-rsc: return if the controller is idle drivers: qcom: rpmh: export controller idle status drivers: qcom: rpmh: disallow active requests in solver mode drivers: qcom: rpmh-rsc: write PDC data drivers: qcom: rpmh: write PDC data Raju P.L.S.S.S.N (1): drivers: qcom: rpmh-rsc: clear active mode configuration for waketcs drivers/soc/qcom/rpmh-internal.h | 6 ++ drivers/soc/qcom/rpmh-rsc.c | 134 ++++++++++++++++++++++++++++++--------- drivers/soc/qcom/rpmh.c | 100 +++++++++++++++++++++++++++++ include/soc/qcom/rpmh.h | 16 +++++ 4 files changed, 227 insertions(+), 29 deletions(-) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,\na Linux Foundation Collaborative Project