Received: by 2002:a05:7208:9594:b0:7e:5202:c8b4 with SMTP id gs20csp2231600rbb; Tue, 27 Feb 2024 15:30:09 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCVfkDLbq42sATEcUk5slUpZB80e8zli9wkWgFUv679FaaDye6zO9R9gTQSBAgBYrIrQb1D9YlxXCxQRR8VazgJY39z2e/ZfOMEFB+xRbg== X-Google-Smtp-Source: AGHT+IE3LCXlentdAA+alyHcJ8haAduMzJoqu6ophD3t7UCa6pDJIzmqtFFkHtG9n9ExytPlJoGC X-Received: by 2002:a05:620a:191c:b0:785:d94e:a026 with SMTP id bj28-20020a05620a191c00b00785d94ea026mr4568908qkb.26.1709076609495; Tue, 27 Feb 2024 15:30:09 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1709076609; cv=pass; d=google.com; s=arc-20160816; b=QdOEPhSJzsR9+BZx8qM/sENnRHxN5G862E6Nya1QXi5CGC8/Nb2FIxOy3+fiUxpzDn 3vVt0qZmwZU9996YFPXw7hwSRRMS0EKnmE1NSmqisOzmW4NNqqxXW7cYbHJS/CU7gKvT kXx1KO+6nKdVU0O1KddvzKYj49qOaa4Ec1vKEO7c+VgU/F0nmlU4hTEJPau2i+qMkOHq xJ3L+D+NjEorUqv7rHR12vVvqHzD2QJ1FwHX3jtG+ZDmkpakdxY3XLSV1HFqxAsZsFTq VPPpDFGTsaYx969l/qq6ERvP4Rwd7de2NpvStbl+todsbpO0P1vx8QIklG4YB9M0AmPa UhjQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=in-reply-to:content-disposition:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:message-id:subject:cc:to:from :date:dkim-signature; bh=k7YLDKSp1IWElSfeHZlZLf2/lTjs5uJJ6qGHPHgV5CU=; fh=RLGxQUJTJRA4lCJZ4bV6zBcS66Gztxc6GZwRsZeXg3Q=; b=GOjk8zBT9k8FbYdhqC5++mpb7kDV86Qmqo/elMIL8ecA//6f9l6jCO8yzi2RdLiBsK fbcdnZ+4CYu8JFTwGZz9Wcipzey8XCYsuOBgYdtfEPqMAQ28u++PhKw8HI9hfbKroupp 2nPusqv0EDc10YduXXvazai5KuWylNNiEOzN8VrmGPGRqpnREL1Y5Yvc8K/73GLo1up8 1rXILN8zVxjbJv2jxwl+oK5ckFgYB3E3dJH9vgxEz320jJOy3mhk/uAR7/TB309jb3TL duBq3CgxPUeXqTDJeVA4dqtjreNVpVQGxjk26Eke8C4uhK2LERht88z8zHTY9IWYqQCP cp0g==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=CLOFHpjf; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-84211-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-84211-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [147.75.199.223]) by mx.google.com with ESMTPS id h1-20020a05620a13e100b00787a7b4e7d0si8549670qkl.579.2024.02.27.15.30.09 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Feb 2024 15:30:09 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-84211-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=CLOFHpjf; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-84211-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-84211-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 402831C25304 for ; Tue, 27 Feb 2024 23:30:09 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 45F475732B; Tue, 27 Feb 2024 23:22:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CLOFHpjf" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5BEE556B71; Tue, 27 Feb 2024 23:22:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709076157; cv=none; b=i5RE2j8xz8dQcGVKp0Bolh76477+mwu2DGN6+Fb9XjhzPai8FDu9T4BwwB+9rCvQv6xOKPEInpW0HdtJ+nH5vCk4XflA1eb1zCCcF2EL6qtd0iPOCFaOZUTv16nqgRofekgAKjqsdXFeg0KpNxRlAKATt7FtHwqKvz4bO7UJOjo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709076157; c=relaxed/simple; bh=LAf/7ZQIyaKEaPAbEIeoxEYJIciVBx9bL3fJcDzt+1E=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=oYviBPWXVEtf+9TBcKZhd3ieyDMOIq4jVzJ7eU1zPJM1RznPCpGfYKssfpJgESsD4hLqm3ahmNbFGmAZOFu865j6xIJJRMWWROprXueoWCW3XVI3wIvIi9Vx+02OtJGL8Dj6JHxiLL9Zdmas07zXfxr98BOX/vTQNZoBeH7MHoY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CLOFHpjf; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id A48D6C433F1; Tue, 27 Feb 2024 23:22:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1709076156; bh=LAf/7ZQIyaKEaPAbEIeoxEYJIciVBx9bL3fJcDzt+1E=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=CLOFHpjf9zIIqBZHK7Hh4NtlLW8Dbl11MFex2P55uBFSPYYxhpKfxPiwtstGfS8TM AT0hKGyTH7/LkeG3Vji0fm+6k5p2fm97EPn1RDdNCL0RhUjHO0C4SRwI5jzVNBDa4n 9BEJqpuaqT8cyFtSNwdziRC/my23uyjpQnsblwMAyUPb1eFZ1reCkLJOc2kUV/p6wZ geD6qLDTCrqxgJ+rYEaTOvRiMfLB58KNxTfEpUtxqvFuRQuIileNBuNDNVhNDXJ+9Q AGJZ83+7M6UppXkIp3+AAhtNiA9uSgycA5Uv1Sl6XB1mtBQhV+1IkT07Ftt8BQ/V8a pUtcaMqLLD9EA== Date: Tue, 27 Feb 2024 17:22:35 -0600 From: Bjorn Helgaas To: Krishna chaitanya chundru Cc: Bjorn Andersson , Konrad Dybcio , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , Rob Herring , Johan Hovold , Brian Masney , Georgi Djakov , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, vireshk@kernel.org, quic_vbadigan@quicinc.com, quic_skananth@quicinc.com, quic_nitegupt@quicinc.com, quic_parass@quicinc.com, Bryan O'Donoghue Subject: Re: [PATCH v7 3/7] PCI: qcom: Add ICC bandwidth vote for CPU to PCIe path Message-ID: <20240227232235.GA251235@bhelgaas> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240223-opp_support-v7-3-10b4363d7e71@quicinc.com> On Fri, Feb 23, 2024 at 08:18:00PM +0530, Krishna chaitanya chundru wrote: > To access PCIe registers, PCIe BAR space, config space the CPU-PCIe > ICC(interconnect consumers) path should be voted otherwise it may > lead to NoC(Network on chip) timeout. We are surviving because of > other driver vote for this path. > As there is less access on this path compared to PCIe to mem path > add minimum vote i.e 1KBps bandwidth always. Add blank line between paragraphs or wrap into a single paragraph. Add space before open paren, e.g., "ICC (interconnect consumers)", "NoC (Network on Chip)". > In suspend remove the disable this path after register space access > is done. "... remove the disable this path ..." has too many verbs :) Maybe "When suspending, disable this path ..."? > + * The config space, BAR space and registers goes through cpu-pcie path. > + * Set peak bandwidth to 1KBps as recommended by HW team for this path all the time. Wrap to fit in 80 columns. > + /* Remove cpu path vote after all the register access is done */ One of the other patches has s/cpu/CPU/ in it. Please do the same here. Bjorn