From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 29 Jun 2005 12:21:39 +0100 (BST) Received: from extgw-uk.mips.com ([IPv6:::ffff:62.254.210.129]:25367 "EHLO bacchus.net.dhis.org") by linux-mips.org with ESMTP id ; Wed, 29 Jun 2005 12:21:23 +0100 Received: from dea.linux-mips.net (localhost.localdomain [127.0.0.1]) by bacchus.net.dhis.org (8.13.4/8.13.1) with ESMTP id j5TBK44m006922; Wed, 29 Jun 2005 12:20:04 +0100 Received: (from ralf@localhost) by dea.linux-mips.net (8.13.4/8.13.4/Submit) id j5SLFx4P002928; Tue, 28 Jun 2005 22:15:59 +0100 Date: Tue, 28 Jun 2005 22:15:59 +0100 From: Ralf Baechle To: rolf liu Cc: linux-mips@linux-mips.org Subject: Re: can't find interrupt number under /proc/interrupts for the pci multi-port on db1550 Message-ID: <20050628211559.GA2879@linux-mips.org> References: <2db32b720506271706201a66fb@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2db32b720506271706201a66fb@mail.gmail.com> User-Agent: Mutt/1.4.2.1i Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 8245 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Mon, Jun 27, 2005 at 05:06:27PM -0700, rolf liu wrote: > I am running 2.4.31 on db1550 with a pci multi-port board. the kernel > starts up ok. but after start-up, I can't find the corresponding > interrupt number for this board, which is irq 2. I can find the device > under /proc/devices and /proc/tty/driver, etc. So I am now sure if it > is working ok. Is there good (simple) method to test this serial port? Linux will only allocate the interrupt when the interface is actually opened, just loading the driver doesn't suffice. Ralf