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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 76E6FC6379D for ; Wed, 25 Nov 2020 11:54:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1BD162087C for ; Wed, 25 Nov 2020 11:54:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ywQ8QxOv"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="f+/u2xvQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727349AbgKYLyo (ORCPT ); Wed, 25 Nov 2020 06:54:44 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:49652 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725838AbgKYLyo (ORCPT ); Wed, 25 Nov 2020 06:54:44 -0500 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1606305281; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=r4HNcEhYd2VgvyfBGtCMGm1chw2/6OizpvW8l9Q1z+M=; b=ywQ8QxOvwDbvJE9c9JPJzdHwfBCFRH3928DMITp+dq6S9GRoV/xjLwkQeLiEne8RKqkllG iKVa1fAyiQhkE2K7EL2ZNXg5qcjEmYm4NNClmpSikNsbWuCiNyB7kThBL538GP24uhK34p QLNAWIcOQX73qxCvPL3M6lrU4JZWg+HY4PluhL+athGxq2jX1pMZjDobYjGsk4N6lh7QCk IxdDzTsWYNI32jzPQhMjuO8WcLU/ZQGWEWO4eGfvD9Q1iMHcmUc2+NbbedEoH3fn7wqymB HN09hyC9SnRqW+yBncQcahkJ+xgGcPQH17GwsQge1MhyUAAW3rxRYCuGLaAkYQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1606305281; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=r4HNcEhYd2VgvyfBGtCMGm1chw2/6OizpvW8l9Q1z+M=; b=f+/u2xvQDCOr/gl/tvrYOTM09dSlbIXP+gm/q5P2/5ke+AusnJMy2GxaO+M4gwP2xdULK6 Mv04xdkGQIaP7zCQ== To: Stefan =?utf-8?Q?B=C3=BChler?= , sean.v.kelley@linux.intel.com Cc: bhelgaas@google.com, bp@alien8.de, corbet@lwn.net, kar.hin.ong@ni.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, mingo@redhat.com, sassmann@kpanic.de, x86@kernel.org, Greg Kroah-Hartman Subject: Re: boot interrupt quirk (also in 4.19.y) breaks serial ports (was: [PATCH v2 0/2] pci: Add boot interrupt quirk mechanism for Xeon chipsets) In-Reply-To: References: <20200220192930.64820-1-sean.v.kelley@linux.intel.com> Date: Wed, 25 Nov 2020 12:54:41 +0100 Message-ID: <87zh35k5xa.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Stefan, On Wed, Sep 16 2020 at 12:12, Stefan B=C3=BChler wrote: sorry for the delay. This fell through the cracks. > this quirk breaks our serial ports PCIe card (i.e. we don't see any=20 > output from the connected devices; no idea whether anything we send=20 > reaches them): > > 05:00.0 PCI bridge: PLX Technology, Inc. PEX8112 x1 Lane PCI Express-to-P= CI Bridge (rev aa) > 06:00.0 Serial controller: Oxford Semiconductor Ltd OX16PCI954 (Quad 1695= 0 UART) function 0 (Uart) > 06:00.1 Bridge: Oxford Semiconductor Ltd OX16PCI954 (Quad 16950 UART) fun= ction 0 (Disabled) > 06:01.0 Serial controller: Oxford Semiconductor Ltd OX16PCI954 (Quad 1695= 0 UART) function 0 (Uart) > 06:01.1 Bridge: Oxford Semiconductor Ltd OX16PCI954 (Quad 16950 UART) > function 0 (Disabled) Can you please provide the output of: for ID in 05:00.0 06:00.0 06:00.1 06:01.0 06:01.1; do lspci -s $ID -vvv; d= one Thanks, tglx