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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C9256C64ED8 for ; Sun, 19 Feb 2023 18:53:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231205AbjBSSxH (ORCPT ); Sun, 19 Feb 2023 13:53:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230286AbjBSSxF (ORCPT ); Sun, 19 Feb 2023 13:53:05 -0500 Received: from angie.orcam.me.uk (angie.orcam.me.uk [IPv6:2001:4190:8020::34]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 05046149A9; Sun, 19 Feb 2023 10:52:32 -0800 (PST) Received: by angie.orcam.me.uk (Postfix, from userid 500) id D739892009C; Sun, 19 Feb 2023 19:52:21 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by angie.orcam.me.uk (Postfix) with ESMTP id CFF5892009B; Sun, 19 Feb 2023 18:52:21 +0000 (GMT) Date: Sun, 19 Feb 2023 18:52:21 +0000 (GMT) From: "Maciej W. Rozycki" To: Bjorn Helgaas , Mahesh J Salgaonkar , Oliver O'Halloran , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Saeed Mahameed , Leon Romanovsky , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni cc: Alex Williamson , Lukas Wunner , Mika Westerberg , Stefan Roese , Jim Wilson , David Abdurachmanov , =?UTF-8?Q?Pali_Roh=C3=A1r?= , linux-pci@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PING][PATCH v6 0/7] 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 5 Feb 2023, Maciej W. Rozycki wrote: > This is v6 of the change to work around a PCIe link training phenomenon > where a pair of devices both capable of operating at a link speed above > 2.5GT/s seems unable to negotiate the link speed and continues training > indefinitely with the Link Training bit switching on and off repeatedly > and the data link layer never reaching the active state. Ping for: . Maciej