Received: by 2002:a05:6a10:7420:0:0:0:0 with SMTP id hk32csp459470pxb; Tue, 15 Feb 2022 18:32:48 -0800 (PST) X-Google-Smtp-Source: ABdhPJyu5jY+y48gMdqS7iTs/p7TnaLQaXqKvyk6G50HGrVlTvAl0p2/lyujwZ3zuoXm30jPXAEY X-Received: by 2002:a17:90a:ab08:b0:1b9:c59:82c3 with SMTP id m8-20020a17090aab0800b001b90c5982c3mr7694532pjq.95.1644978767856; Tue, 15 Feb 2022 18:32:47 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1644978767; cv=none; d=google.com; s=arc-20160816; b=vWtrSfzmZEJSDBbMRWbGBBy5DLAyfHd+UqIxMled2GfUsiIdQ8paBrk/p3bwfm+uL1 cvKGPJJViAAifLpw3U57NxYWVKAlaVffr/RexCs6JQNDROa4yso0siCOYMRzWDa1aLE9 Vmr3FejYaLeI7nVqOlCY0Wrw4AujzPs8vWTTaH09y8BtCuQDamou+zLbtGKOm2R4B/sx zEjFEil2LyWcg4R/0gKaPF39efc939i3ryHElqRv08ZSEIN9VJCOT6x6n61C11GoGctE 5ksip9M1Dmh1lz35Fw7L+lv+GNlCQbrpVY/adFmkq75E38BiJ1S0D9mkMWIm1pnznZ+y Xb1g== 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=n3GDRSj2+BWqV4QEeWoIpIwAgy+FLa8QytnLJDGqZuk=; b=OXgpQGBOOp0VAEAdzUi6kWsROS3ayR+3Et4s887nh5/ciTMtkwuDQfEvn0r0JybzKn QMEM2hotlvJp6DI2+Y4OMPadcR46IzuLiJDluN83UhkQUU6mVwoyY1+dunkhLt1Rif3V cHofTEwk+679MxosueF7MELmb6SmyBVzhd0SeCEftetgPPt6QGIJZSAVfQvRwlfdi1mM Ot2+kRQSlw5vMTw2RJJ1efsKjvULqvemk9b2kF9ggLQU4yCPtrbH5j7V0Tv+q1V5cMKG cGzi9txRK6SgOQxLANW8xapExMwswkWW9kZob9xCncWlQjsvtxcbg8vLPTbSHbiQSd+R hACg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id z2si7096166pfe.9.2022.02.15.18.32.31; Tue, 15 Feb 2022 18:32:47 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244392AbiBOV3Z (ORCPT + 99 others); Tue, 15 Feb 2022 16:29:25 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:40860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233069AbiBOV3Y (ORCPT ); Tue, 15 Feb 2022 16:29:24 -0500 Received: from angie.orcam.me.uk (angie.orcam.me.uk [IPv6:2001:4190:8020::34]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 0BA38C24AD; Tue, 15 Feb 2022 13:29:13 -0800 (PST) Received: by angie.orcam.me.uk (Postfix, from userid 500) id A1C8492009C; Tue, 15 Feb 2022 22:29:12 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by angie.orcam.me.uk (Postfix) with ESMTP id 9AC4F92009B; Tue, 15 Feb 2022 21:29:12 +0000 (GMT) Date: Tue, 15 Feb 2022 21:29:12 +0000 (GMT) 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][PATCH v3] 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,SPF_HELO_NONE, SPF_NONE,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 On Tue, 1 Feb 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