Received: by 2002:a05:6a10:6d10:0:0:0:0 with SMTP id gq16csp941132pxb; Fri, 22 Apr 2022 14:56:22 -0700 (PDT) X-Google-Smtp-Source: ABdhPJydb7+UgQZ6iy2A1W5Xs1i5OwRld2RZp8XoOcLVOcbYg7KKNNzz/r3LE0vK3ZTzRvxnKIdz X-Received: by 2002:a17:90b:3b8c:b0:1d4:cd93:ffe7 with SMTP id pc12-20020a17090b3b8c00b001d4cd93ffe7mr7678237pjb.237.1650664582610; Fri, 22 Apr 2022 14:56:22 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1650664582; cv=none; d=google.com; s=arc-20160816; b=OVeafvOYy7cucrdw1+FPe7GkvZZWq7QqMiwgk7zbP2slB2WpCnHWre07/O4l15DIvk MPDPiDWwdBVn5s5ViJEs1nM71hp9nfQGuLP90GjqGsDOP2tKx0MhskmsIKCHw3u7r7IW vRBBwi/5w+Wfx0W0gqbI12eu4nCACInpE7FIl65xVZnMrqzxdVdMpSEFlxwrWAhaHNFM s9DYFLMukOE7UIaddb6WrRj9qsiusMbOcOjhUF3Kswqz4jeiTb+Inj4l8wLg3EvnRdYu rVtyiGovqnT8C6N7eO2YJ72viW1R66zVMAN3ofkdU1amYYdaadjMbwE2O9qqlKozcjNj 5/Qg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:user-agent:references:message-id :in-reply-to:subject:cc:to:from:date; bh=GN2/pbZNChaOkrm2SpnwA9ct0vqPM3cbBnAgRoUe1pI=; b=LB3+m71eYVx4HO8jZBrSZ0jXyrpmuUfynnRwQbp4g/XM5F+U8QBNACKqEd8U0zaUOP 0Xe7q5m4uDbudoyM8xViH3fhmGEo1Na0+oSLQoAapNZbqQ4ebHoZrL8GEJQgPTRFvZ6y 9FAfMr30Aytd4NTA9E3CVL3J3+tbNvHsNWJt5zQ/TkmOEug2a5OkogP6bXd7enlVA2K+ rsdQfGbX2c0b4epIjyMwbbkumCOb15a/Shly25JVGvRDZgdzyLx1H7W5BDpChXoS1mUT S6FAKjDcoTZMT/E3qJmmxt5Hh8bDk3CLLk44r8khThsQxu1063eFYNY54/CMSFBAXc5Z UWyg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [2620:137:e000::1:18]) by mx.google.com with ESMTPS id y191-20020a638ac8000000b003aaf57c4057si369072pgd.383.2022.04.22.14.56.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Apr 2022 14:56:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 96756241ABC; Fri, 22 Apr 2022 13:04:17 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381762AbiDTT0A (ORCPT + 99 others); Wed, 20 Apr 2022 15:26:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1381756AbiDTTZ4 (ORCPT ); Wed, 20 Apr 2022 15:25:56 -0400 Received: from angie.orcam.me.uk (angie.orcam.me.uk [78.133.224.34]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 6903F45AE6; Wed, 20 Apr 2022 12:23:09 -0700 (PDT) Received: by angie.orcam.me.uk (Postfix, from userid 500) id 2245092009D; Wed, 20 Apr 2022 21:23:08 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by angie.orcam.me.uk (Postfix) with ESMTP id 1BAFC92009C; Wed, 20 Apr 2022 20:23:08 +0100 (BST) Date: Wed, 20 Apr 2022 20:23:08 +0100 (BST) From: "Maciej W. Rozycki" To: Bjorn Helgaas cc: Stefan Roese , Jim Wilson , David Abdurachmanov , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PING^2][PATCH v4] pci: Work around ASMedia ASM2824 PCIe link training failures In-Reply-To: Message-ID: References: User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE autolearn=no 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 On Thu, 31 Mar 2022, Maciej W. Rozycki wrote: > Attempt to handle cases with a downstream port of the ASMedia ASM2824 > PCIe switch where link training never completes and the link continues > switching between speeds indefinitely with the data link layer never > reaching the active state. Ping for: Maciej