Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757203Ab0GFA3E (ORCPT ); Mon, 5 Jul 2010 20:29:04 -0400 Received: from mail-iw0-f174.google.com ([209.85.214.174]:37474 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753252Ab0GFA3A (ORCPT ); Mon, 5 Jul 2010 20:29:00 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=JnTF8c1+TlhBMBkKNjOpoZ3zh9K4+TaDebctqKbt7HpPB3Itl9PrqatFImvZZSKedI TK4qGL/vQU7CER7Z4Q9sbe2Q8xuq84j/PoRW0fAuCcT5WtDBNzdWVeu437gZLHCHW8Dx jtxjCIpzpy5HQY60F+ymx1mtuibrATVvSU4V8= Message-ID: <4C3278C8.60503@gmail.com> Date: Mon, 05 Jul 2010 18:28:56 -0600 From: Robert Hancock User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.4) Gecko/20100624 Fedora/3.1-1.fc13 Thunderbird/3.1 MIME-Version: 1.0 To: Jiri Slaby CC: Matthew Garrett , lenb@kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Jesse Barnes Subject: Re: [PATCH 1/1] ACPI: pci_irq, add PRT_ quirk for IBM Bartolo References: <1277673679-21458-1-git-send-email-jslaby@suse.cz> <4C27E965.80508@gmail.com> <4C283D84.6080504@suse.cz> <20100628171410.GA27367@srcf.ucam.org> <4C290245.2040001@suse.cz> <20100628204820.GA32503@srcf.ucam.org> <4C2A3E27.4060407@suse.cz> <4C2B0C73.9050200@suse.cz> In-Reply-To: <4C2B0C73.9050200@suse.cz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1546 Lines: 36 On 06/30/2010 03:20 AM, Jiri Slaby wrote: > On 06/30/2010 01:23 AM, Robert Hancock wrote: >> What kind of slot is it, and what kind of device was being used, >> something designed for this machine or just some random card? > > It's a netmos 9835 serial card with 2 ports. PCI, there is no PCIe in > the machine as far as I can see. > >> Can they >> tell what IRQ the device is reportedly using in Windows and if it >> matches what Linux reports? > > I can ask them. What I know is that with acpi=noirq (or with the quirk) > the IRQ number is 10, with acpi without the quirk, it's 11: > > PCI: setting IRQ 2 as level-triggered > serial 0000:00:09.0: found PCI INT A -> IRQ 2 > 0000:00:09.0: ttyS4 at I/O 0x1898 (irq = 10) is a 16550A > 0000:00:09.0: ttyS5 at I/O 0x1890 (irq = 10) is a 16550A > > ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11 > PCI: setting IRQ 11 as level-triggered > serial 0000:00:09.0: PCI INT A -> Link[LNKB] -> GSI 11 (level, low) -> > IRQ 11 > 0000:00:09.0: ttyS4 at I/O 0x1898 (irq = 11) is a 16550A > 0000:00:09.0: ttyS5 at I/O 0x1890 (irq = 11) is a 16550A > > I still no point in comparing this to Windows' setup. We can't find out > whether it is quirked or better (without some bug) handled there. Well, you can see if Windows shows IRQ 10 or 11 for that device.. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/