From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from puffin.external.hp.com (puffin.external.hp.com [192.25.206.4]) by dsl2.external.hp.com (Postfix) with ESMTP id 7653B496A for ; Wed, 10 Oct 2001 22:01:32 -0600 (MDT) Message-Id: <200110110356.VAA21437@puffin.external.hp.com> To: Matthew Wilcox Cc: Richard Hirst , parisc-linux@parisc-linux.org Subject: Re: [parisc-linux] EISA support In-Reply-To: Message from Matthew Wilcox of "Thu, 11 Oct 2001 02:40:10 BST." <20011011024010.C13932@parcelfarce.linux.theplanet.co.uk> Date: Wed, 10 Oct 2001 21:56:44 -0600 From: Grant Grundler List-ID: Matthew Wilcox wrote: > I have a plan to allocate Mongoose's IRQ in a nicer way, but that will > have to wait until tomorrow. What do you think the best way would be > to fix EISA card IRQs? I have a couple of thoughts: > > * Introduce a new EISA_IRQ_BASE macro that most architectures > define to 0. I don't know what other archs do or how hard that would be to drive into the other arches. > * Reserve IRQ region 0 for EISA reserve IRQ region 0 for EISA. It's reserved now to catch broken PCI drivers that treat the IRQ number as a byte instead of an int. So for machines w/o EISA, it could continue to remain reserved for that purpose. grant