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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4B1ADC433FE for ; Fri, 7 Oct 2022 19:34:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Owner; bh=HoXlyVp29C75uIaV1fuXAPvob5q6TFJ69IpVhWLnyWA=; b=k4E1ZHbiqlB5lo hL2hvbYM277ButPYFTvaKVz8fsH1bl4zacTivygUklsof4FwOnVCV9HlximJQTl4t9eh3nSPrhuGr M6EsQKOF+LA5VkEoW41Pc/dSyfdpo/5yvL1yleO+JdYXpVkARfA75yjNyc7rd6U9buMAkJ8BZBUNO 7gfiXahezAjI12WulLA1R1lKjnYiMwbrs5JTHiJDScjLNhbeiEvISvzfSEm0i4QAgQHK57ySXk8aG d4Bpb+DbRTedg/8CgTTw5DCd89ugQ23C5GxNUgow2ZecqdV6f2WBOkptVCBeAHyIJJILLpAQBBR+n 1qdxl+vbMMvbCaoboGuQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ogt5h-00ADyD-Ly; Fri, 07 Oct 2022 19:33:01 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ogt5f-00ADxh-3V; Fri, 07 Oct 2022 19:33:00 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id ADB98B8233A; Fri, 7 Oct 2022 19:32:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2AAFDC433D6; Fri, 7 Oct 2022 19:32:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665171175; bh=V3eErinl3SskgtvkBOxmRnMnVmgrOAHOP2OxO4FJ8bY=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=OkKKyRGJiOyTSqTASZtOdm41aEgDvZVfgO4FzM4wABUz2qXGrq/zS/60nG0X3BnNH efbBi7BWwkb1yjwkHQxFonPPC8BZxNUJRH3FOnjpvD8gb63xXma+GPQ1HVJRjmWZnM rxIfP+Z3Nu5e8/tbp/lB9D4UF5fSZxPQlZhlj8Wb9snJFZkGe85ChGwz7PkGr+hUAi vjoa5LFwC+HEQ5eoBnbzQwNXNzsz9gfqYv1d1OAreYJc7sW8XZSyjlH9Jrf2QerAzP Krjm/b4RzcPnir/zqmyX8G/Gya+JWeXkJ47N1gzrCTtu0XNwPHu/EkPXl+DF1alX4/ wvhyq0WUsKHHA== Date: Fri, 7 Oct 2022 14:32:53 -0500 From: Bjorn Helgaas To: Jim Quinlan Cc: linux-pci@vger.kernel.org, Nicolas Saenz Julienne , Bjorn Helgaas , Lorenzo Pieralisi , Cyril Brulebois , bcm-kernel-feedback-list@broadcom.com, james.quinlan@broadcom.com, Florian Fainelli , Lorenzo Pieralisi , Rob Herring , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" , open list Subject: Re: [PATCH v1 5/5] PCI: brcmstb: Set RCB_{MPS,64B}_MODE bits Message-ID: <20221007193253.GA2643566@bhelgaas> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221006220322.33000-6-jim2101024@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221007_123259_324913_267A5958 X-CRM114-Status: UNSURE ( 9.58 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Oct 06, 2022 at 06:03:21PM -0400, Jim Quinlan wrote: > Set RCB_MPS mode bit so that data for PCIe read requests up to the size of > the Maximum Payload Size (MPS) are returned in one completion, > and data for > PCIe read requests greater than the MPS are split at the specified Read > Completion Boundary setting. I think this second part is required by PCIe r6.0, sec 2.3.1.1, regardless of the setting of RCB_MPS, isn't it? > Set RCB_64B so that read compeletion boudnary is 64B. To match usage in spec and above and fix typos, s/that read compeletion boudnary/the Read Completion Boundary/ Bjorn _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel