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=-11.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY autolearn=unavailable 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 B11EBC4320E for ; Mon, 23 Aug 2021 20:17:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 99F09613DA for ; Mon, 23 Aug 2021 20:17:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232392AbhHWUR7 (ORCPT ); Mon, 23 Aug 2021 16:17:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232305AbhHWURx (ORCPT ); Mon, 23 Aug 2021 16:17:53 -0400 Received: from mail-ot1-x32f.google.com (mail-ot1-x32f.google.com [IPv6:2607:f8b0:4864:20::32f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6C1DC061575 for ; Mon, 23 Aug 2021 13:17:09 -0700 (PDT) Received: by mail-ot1-x32f.google.com with SMTP id x9-20020a056830278900b0051b8be1192fso18965419otu.7 for ; Mon, 23 Aug 2021 13:17:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:in-reply-to:references:from:user-agent:date:message-id :subject:to:cc; bh=hVoTBJgxiKrAAxs2kw7pKYP96oVapuaGPjHNMkt5DsM=; b=nPAUVz1zgsicbUYoh1+uu07rJW/yYYJnyQm6mv/Lf1y+TZRUYzlBntQIOSf/m9UCgS pgMMqimYDwdwCK8xIw+ec77wUdXIbZzcCmp/lonOm3Gfs88Y26DCoL8WJCNcifr/yHwn ST5zJ9+uslgeY4qfI9P11vfKySi53c5VQ8o3I= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from :user-agent:date:message-id:subject:to:cc; bh=hVoTBJgxiKrAAxs2kw7pKYP96oVapuaGPjHNMkt5DsM=; b=Crx45uC01RvT13TcFw+ZEUHE7dhtG1uBgUF3GHAzf1Xy4FlL2zYPIkH+dp3rovKMUP Xpau4vK8GuYXYPADeEaQFLE5KIb22VPGUYKUBI7D4oLBlFiYemwNSo0AmMeDqXBD+CEM i9FRh4uywLJv8bcqd7GWhAXuxrA/nBjhpPcDRSYNDbGsmg+bIt8nBVBXFdoV43UaM9T6 d4jkTOI2EzteRL69Kn/YyN/vAHq8enX5yNU4L9FpimmVZA0XsmoQXllzp8PVkhfxo9qs /FuAW2QN8ZXIrO4FP9K5yGhILa19a4cCmO738XklsAmFeN/XcGDeBqEQPdWB0MlYTRLD Bleg== X-Gm-Message-State: AOAM532n7TTOb2t3N8Ut+qu4in2jOuOxh93l5VNsm/HQi6BZ8GlG6L9J UqdYydl//yZp6lc3MhIn24vymh5ePcBEtRC33m/GnA== X-Google-Smtp-Source: ABdhPJynbPwA9l4zM0sKHZxjgU5UhlLpncIQzB/q85jP+MW1t7Vxo8yeQ+Un7WiJHwAqDBlBF3iPLQgltj28BRCVUhw= X-Received: by 2002:a05:6808:180e:: with SMTP id bh14mr251263oib.19.1629749829301; Mon, 23 Aug 2021 13:17:09 -0700 (PDT) Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Mon, 23 Aug 2021 15:17:08 -0500 MIME-Version: 1.0 In-Reply-To: <1629342136-3667-5-git-send-email-sibis@codeaurora.org> References: <1629342136-3667-1-git-send-email-sibis@codeaurora.org> <1629342136-3667-5-git-send-email-sibis@codeaurora.org> From: Stephen Boyd User-Agent: alot/0.9.1 Date: Mon, 23 Aug 2021 15:17:08 -0500 Message-ID: Subject: Re: [PATCH v5 04/13] remoteproc: qcom: q6v5: Use qmp_send to update co-processor load state To: Sibi Sankar , bjorn.andersson@linaro.org, mka@chromium.org, robh+dt@kernel.org Cc: ulf.hansson@linaro.org, rjw@rjwysocki.net, agross@kernel.org, ohad@wizery.com, mathieu.poirier@linaro.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dianders@chromium.org, rishabhb@codeaurora.org, sidgup@codeaurora.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Sibi Sankar (2021-08-18 20:02:07) > The power domains exposed by the AOSS QMP driver control the load state > resources linked to modem, adsp, cdsp remoteprocs. These are used to > notify the Always on Subsystem (AOSS) that a particular co-processor is > up/down. AOSS uses this information to wait for the co-processors to > suspend before starting its sleep sequence. > > These co-processors enter low-power modes independent to that of the > application processor and the load state resources linked to them are > expected to remain unaltered across system suspend/resume cycles. To > achieve this behavior lets stop using the power-domains exposed by the > AOSS QMP node and replace them with generic qmp_send interface instead. > > Signed-off-by: Sibi Sankar > --- Reviewed-by: Stephen Boyd