From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Thu, 14 Sep 2006 19:10:03 +0100 (BST) Received: from localhost.localdomain ([127.0.0.1]:40604 "EHLO dl5rb.ham-radio-op.net") by ftp.linux-mips.org with ESMTP id S20038922AbWINSKB (ORCPT ); Thu, 14 Sep 2006 19:10:01 +0100 Received: from denk.linux-mips.net (denk.linux-mips.net [127.0.0.1]) by dl5rb.ham-radio-op.net (8.13.7/8.13.7) with ESMTP id k8EIAcQe002889; Thu, 14 Sep 2006 19:10:38 +0100 Received: (from ralf@localhost) by denk.linux-mips.net (8.13.7/8.13.7/Submit) id k8EIAbnB002888; Thu, 14 Sep 2006 19:10:37 +0100 Date: Thu, 14 Sep 2006 19:10:37 +0100 From: Ralf Baechle To: Russell King Cc: Sergei Shtylyov , Rodolfo Giometti , linux-mips@linux-mips.org Subject: Re: [PATCH] au1x00 serial real interrupt Message-ID: <20060914181037.GC2197@linux-mips.org> References: <20060522165244.GA16223@enneenne.com> <44FD9587.3030708@ru.mvista.com> <4502ED14.6080506@ru.mvista.com> <20060909163907.GA24012@flint.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060909163907.GA24012@flint.arm.linux.org.uk> 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: 12574 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 Sat, Sep 09, 2006 at 05:39:07PM +0100, Russell King wrote: > Well, if you need IRQ0 to be real then redefining is_real_interrupt() > is the correct way forward. > > However, Linus' policy is that IRQ0 shall be invalid at least on PCI > systems, and architectures _should_ remap their real IRQ0 to some other > number. Personally I don't like this. Hence why I prefer to give people > the option. I have no strong opinion either. In some cases not having interrupt 0 available sucks because Linux will have to use a different interrupt numbering than system documentation ... Ralf