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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_2 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 6915FC4741F for ; Thu, 29 Oct 2020 22:06:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 151E32087D for ; Thu, 29 Oct 2020 22:06:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725372AbgJ2WGt convert rfc822-to-8bit (ORCPT ); Thu, 29 Oct 2020 18:06:49 -0400 Received: from mslow2.mail.gandi.net ([217.70.178.242]:51972 "EHLO mslow2.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725379AbgJ2WGt (ORCPT ); Thu, 29 Oct 2020 18:06:49 -0400 Received: from relay8-d.mail.gandi.net (unknown [217.70.183.201]) by mslow2.mail.gandi.net (Postfix) with ESMTP id 513683A4F44 for ; Thu, 29 Oct 2020 21:55:39 +0000 (UTC) X-Originating-IP: 83.193.246.53 Received: from windsurf.home (lfbn-bay-1-165-53.w83-193.abo.wanadoo.fr [83.193.246.53]) (Authenticated sender: thomas.petazzoni@bootlin.com) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id BC7DE1BF203; Thu, 29 Oct 2020 21:55:13 +0000 (UTC) Date: Thu, 29 Oct 2020 22:55:11 +0100 From: Thomas Petazzoni To: Andrew Lunn Cc: Bjorn Helgaas , Toke =?UTF-8?B?SMO4aWxhbmQtSsO4?= =?UTF-8?B?cmdlbnNlbg==?= , Rob Herring , Jason Cooper , Pali =?UTF-8?B?Um9ow6Fy?= , Ilias Apalodimas , Marek =?UTF-8?B?QmVow7pu?= , linux-pci@vger.kernel.org, vtolkm@gmail.com, linux-arm-kernel@lists.infradead.org Subject: Re: PCI trouble on mvebu (Turris Omnia) Message-ID: <20201029225511.1aba193b@windsurf.home> In-Reply-To: <20201029195731.GS878328@lunn.ch> References: <871rhhmgkq.fsf@toke.dk> <20201029193022.GA476048@bjorn-Precision-5520> <20201029195731.GS878328@lunn.ch> Organization: Bootlin X-Mailer: Claws Mail 3.17.7 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Thu, 29 Oct 2020 20:57:31 +0100 Andrew Lunn wrote: > > We could quirk these NICs to avoid the retrain, but since aardvark and > > mvebu have no obvious connection > > Both are Mavell. There could be some shared IP. >From my experience, even though both are from Marvell, they are really different IP blocks, made by different teams, used in different SoCs. However, as I replied to Bjorn, both use the PCI Bridge emulation logic. Best regards, Thomas -- Thomas Petazzoni, CTO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com