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, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 B94D8C433E0 for ; Thu, 9 Jul 2020 14:21:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8DB54206A5 for ; Thu, 9 Jul 2020 14:21:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="VpazQpdp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726772AbgGIOVi (ORCPT ); Thu, 9 Jul 2020 10:21:38 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:45007 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726615AbgGIOVi (ORCPT ); Thu, 9 Jul 2020 10:21:38 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1594304497; h=Content-Transfer-Encoding: Content-Type: In-Reply-To: MIME-Version: Date: Message-ID: From: References: Cc: To: Subject: Sender; bh=mef3WUw0Xoz9/rvpec4bfeBVTOIL1IZyFuhez1uFRbg=; b=VpazQpdpbJgaj8FilqmVttcIAI3S2T6ax8e4OQdEmsbvUt/rb5hyiMRrTq4H2vaUs8Nel3zT OQ3X6BH3i4rfTZ8R7I7tcN4vDS5WC6BcWvtomPI5kES/1s94yJz5EFna5R6c7VrvT4pK7rAw CH79NErvQY7tGRsRm7ZP3HWgCbs= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-west-2.postgun.com with SMTP id 5f0727d89b7f1f3df7503eb0 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 09 Jul 2020 14:21:12 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 96B5DC433CA; Thu, 9 Jul 2020 14:21:12 +0000 (UTC) Received: from [192.168.0.4] (unknown [183.83.138.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: akashast) by smtp.codeaurora.org (Postfix) with ESMTPSA id EDB79C433C8; Thu, 9 Jul 2020 14:21:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org EDB79C433C8 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=akashast@codeaurora.org Subject: Re: [PATCH] tty: serial: qcom-geni-serial: Drop the icc bw votes in suspend for console To: Rajendra Nayak , bjorn.andersson@linaro.org, agross@kernel.org, gregkh@linuxfoundation.org, georgi.djakov@linaro.org Cc: mka@chromium.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, dianders@chromium.org, swboyd@chromium.org References: <1594287420-24141-1-git-send-email-rnayak@codeaurora.org> From: Akash Asthana Message-ID: <77c0899c-ab9a-e195-cc53-5f9bf340ab0e@codeaurora.org> Date: Thu, 9 Jul 2020 19:51:06 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <1594287420-24141-1-git-send-email-rnayak@codeaurora.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/9/2020 3:07 PM, 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) Reviewed-by: Akash Asthana -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,\na Linux Foundation Collaborative Project