Received: by 2002:a05:6a10:1a4d:0:0:0:0 with SMTP id nk13csp2073078pxb; Wed, 9 Feb 2022 10:17:02 -0800 (PST) X-Google-Smtp-Source: ABdhPJwt/fJ/5fYBT2D9bM0sY3jEj+1ua0OR34c7P27N3Yi6VzcfUVlAzbvpF9I4GQXkvKib+AS3 X-Received: by 2002:a63:216:: with SMTP id 22mr2878108pgc.89.1644430622065; Wed, 09 Feb 2022 10:17:02 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1644430622; cv=none; d=google.com; s=arc-20160816; b=ZkkTpGJrzwQe4u9SChP46rG0fPbZFqN1J4N6EcYL1+vXHBMyzdVEsr5ZOFh5ETDF36 fzuzLJRcNdqMo6ELzpU0FXrMAoLFLG38o/+dt+W/lD7b9/yDdXevfTxTwCzZ87wcWkzg ipXxg6MCbssW1BRXpLEjBiyK7iqFuWs/TZAx0wjrLe3yVKgb96BrjGUVP9miHIaJHlEm ReNaVOm8L0duUdpeBFUU2CC0qjd9+cW73xWrv4ON7RNvuvjFmVSp/g8oRgTFEYNlazRb K1ysWgm3IvRNkw5qiP+RhZDqJ79Ihc/xFbAaVCz8Sm9Qz3bllU1vl8+8uXC/3EWMbYCG qfgw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :message-id:subject:cc:to:from:date:dkim-signature; bh=mlgmiGY4Op4g6IGOiL5Zp2DL5KpE0MrnHlQtUrRGqUU=; b=TJ49SxL+/wd0XKuT2k3mirjdwWyjkvUWaYUAYb5ty7XWaqXJyf2+v+s7ppAtj4MUZQ mHHCbsCu08ICnaRTv4A1i6oJFHqgs0G49c/cFY/xaoSiWWTnoQCIYylQkp1kQCqHAQyI UYaSYmYCijPjqJLQGjCDaOKjOeh8UpEohLGWc6ojVmV9KwZ89K7pplvLxAZfTLa7vCf0 ROqnOI2QXZCtKrVFBsCijB635TgUboWsleaxlNxsauqMPCm8n03sQv6P3akdVaSr1VhU dTUzsQ2Mjhy3r7aUucc9IJ6gT6Y2g3zABMvofc4neZNWMm4GJJouXMuok8zF/S2wzMtB Mudg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=sdQdEymD; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f71si16741570pgc.681.2022.02.09.10.16.48; Wed, 09 Feb 2022 10:17:02 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=sdQdEymD; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235583AbiBIPgt (ORCPT + 99 others); Wed, 9 Feb 2022 10:36:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51348 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236242AbiBIPgh (ORCPT ); Wed, 9 Feb 2022 10:36:37 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A40EC050CDE; Wed, 9 Feb 2022 07:36:39 -0800 (PST) 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 dfw.source.kernel.org (Postfix) with ESMTPS id BA1E7614F5; Wed, 9 Feb 2022 15:36:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EACE0C340E7; Wed, 9 Feb 2022 15:36:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1644420998; bh=AYiSnNGzd7sXenCfs60QjVqVRErTSfdKRWpFCVKKFQg=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=sdQdEymDMm2ZzCxwgTKBq6KkUy4nsmX/Xn5tZBfJmB54+vP1mVscS9kTjMmg5I+HP JOQkPPaj8u9SZrbVjVZzQFXqNNW1DQIqZnF3UhAII+SkXnuu4JrGUD42EAXPjYMkMd 1a5D+mS7NPEKwM/xDeM9Gg58ffg2s2LFGrpftCabW55o5HzgXfSZrvcDKlVn1NlcZR cBQMQjJpKI+n495D1Xb/pBs3pSUFgwDfGeudwiz02L/yr0yk+0WOfmREhIkwG3c6LK 7EtkoSWUFLnr6ujaV9PYrT4RkRCt+vuTxjbDr6z5S/aJylqEjBaOilbdt0ffAecCXM Gw+M2DBHNMhmg== Date: Wed, 9 Feb 2022 09:36:36 -0600 From: Bjorn Helgaas To: Richard Zhu Cc: l.stach@pengutronix.de, bhelgaas@google.com, lorenzo.pieralisi@arm.com, shawnguo@kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: Re: [RFC 2/2] PCI: imx6: Enable imx6qp pcie power management support Message-ID: <20220209153636.GA557361@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1644390156-5940-2-git-send-email-hongxing.zhu@nxp.com> X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In subject, s/pcie/PCIe/ or remove it altogether, since I don't think it adds useful information. On Wed, Feb 09, 2022 at 03:02:36PM +0800, Richard Zhu wrote: > i.MX6QP PCIe supports the RESET logic, thus it can support > the L2 exit by the reset mechanism. > Enable the i.MX6QP PCIe suspend/resume operations support. Add blank line between paragraphs or rewrap into a single paragraph. Rewrap to fill 75 columns. What does "L2 exit by reset mechanism" mean? Is this an i.MX6-specific thing? If not, can you point me to the relevant part of the PCIe spec? Bjorn