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[23.128.96.18]) by mx.google.com with ESMTP id r8si1073193edi.606.2020.11.25.03.57.38; Wed, 25 Nov 2020 03:58:01 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=ywQ8QxOv; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e header.b="f+/u2xvQ"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727822AbgKYLyo (ORCPT + 99 others); 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-kernel@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