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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no 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 C438BC433E1 for ; Thu, 9 Jul 2020 15:26:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F0BC207D0 for ; Thu, 9 Jul 2020 15:26:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="lqOZ9Vno" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728170AbgGIP0y (ORCPT ); Thu, 9 Jul 2020 11:26:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55716 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726806AbgGIP0x (ORCPT ); Thu, 9 Jul 2020 11:26:53 -0400 Received: from mail-pj1-x1042.google.com (mail-pj1-x1042.google.com [IPv6:2607:f8b0:4864:20::1042]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68B25C08C5CE for ; Thu, 9 Jul 2020 08:26:53 -0700 (PDT) Received: by mail-pj1-x1042.google.com with SMTP id o22so1265429pjw.2 for ; Thu, 09 Jul 2020 08:26:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Io/mcFrQGmKFI/J7y8Kvbnw7Sd2yzklarBYDCcZ/mU4=; b=lqOZ9VnoNFqFqWU6dnrvF3ytzvguHdIiMzhTNUwohP1JTvBJUE0fGANEr1kEpsRYaU T88hkxoG+egozI5GuJ1u03E5Az1rZYBu4pj8imOnW6/WuJyf4ZhIA83lN49SaML6koNh 7Jnu5FDNs7JJ/V5DZgH5wY6L3f9qS+8Td+YRk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Io/mcFrQGmKFI/J7y8Kvbnw7Sd2yzklarBYDCcZ/mU4=; b=U/s2ykRq9SznbGF+q8tW1d5TyzGvrhUG0gchzb9MbtEfEOwh+R3HYU89IJwirv5ja3 qFaL0hYuEF8B64ZhVcMDb9sNyF3kkhOHdRq46LhRe0iCyin67fsqLPnqNhHReXiISVOg OP3sIYRjQVwyDLHD/AYUh3ZwDWX7e25BIPjo3dN7RIeuzXxoXsqCn62yZDYiRntpURHe l0BgPo+g3t9mH3BPKmOvnLIP9Tp8hrFLgLO7OktkPeQplUFSJ6VCtFbd4wNmGGl8XSuQ Fqc2JKJwhuGNcDxbzbExoJcHiYhupe3s5phBXCoY47cS+Xv65hLCqT2TqTNmZRq53aN+ 9T6w== X-Gm-Message-State: AOAM533GclLUOYOFIedcZkluxARwYYc+R7lN8wvV5gQHdA6pUezAKMxr A/eIJZCT8p63olFHmi4ztJwsrw== X-Google-Smtp-Source: ABdhPJzMPBypSd95etgDvAlbeBxpHEC0IUibuotoWf73dYLHTKbmK48l2Xgg3Nw9fv2P+eMKHigIsQ== X-Received: by 2002:a17:902:b687:: with SMTP id c7mr54618732pls.102.1594308413042; Thu, 09 Jul 2020 08:26:53 -0700 (PDT) Received: from localhost ([2620:15c:202:1:f693:9fff:fef4:e70a]) by smtp.gmail.com with ESMTPSA id g18sm3261173pfk.40.2020.07.09.08.26.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Jul 2020 08:26:52 -0700 (PDT) Date: Thu, 9 Jul 2020 08:26:50 -0700 From: Matthias Kaehlcke To: Rajendra Nayak Cc: bjorn.andersson@linaro.org, agross@kernel.org, gregkh@linuxfoundation.org, georgi.djakov@linaro.org, akashast@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, dianders@chromium.org, swboyd@chromium.org Subject: Re: [PATCH] tty: serial: qcom-geni-serial: Drop the icc bw votes in suspend for console Message-ID: <20200709152650.GI3191083@google.com> References: <1594287420-24141-1-git-send-email-rnayak@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1594287420-24141-1-git-send-email-rnayak@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 09, 2020 at 03:07:00PM +0530, Rajendra Nayak wrote: > When using the geni-serial as console, its important to be > able to hit the lowest possible power state in suspend, > even with no_console_suspend. > The only thing that prevents it today on platforms like the sc7180 > is the interconnect BW votes, which we certainly don't need when > the system is in suspend. So in the suspend handler mark them as > ACTIVE_ONLY (0x3) and on resume switch them back to the ALWAYS tag (0x7) > > Signed-off-by: Rajendra Nayak Tested-by: Matthias Kaehlcke