Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752103AbXBJWur (ORCPT ); Sat, 10 Feb 2007 17:50:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752072AbXBJWur (ORCPT ); Sat, 10 Feb 2007 17:50:47 -0500 Received: from zeniv.linux.org.uk ([195.92.253.2]:52888 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752064AbXBJWuq (ORCPT ); Sat, 10 Feb 2007 17:50:46 -0500 Date: Sat, 10 Feb 2007 22:50:33 +0000 From: Al Viro To: Linus Torvalds Cc: Tejun Heo , Heiko Carstens , Andrew Morton , Martin Schwidefsky , Jeff Garzik , linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Subject: Re: [PATCH] iomap: make PCI iomap stuff excluded when PCI isn't configured Message-ID: <20070210225033.GO10050@ftp.linux.org.uk> References: <20070210114314.GB12642@osiris.boeblingen.de.ibm.com> <45CE0434.30105@gmail.com> <20070210194630.GA13416@osiris.ibm.com> <45CE43B5.2020806@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 820 Lines: 19 On Sat, Feb 10, 2007 at 02:25:53PM -0800, Linus Torvalds wrote: > > > On Sat, 10 Feb 2007, Tejun Heo wrote: > > > > I think an arch needs to support ioport_map/unmap and noncoherent dma (just > > alias to coherent interface on x86/amd64) interface whether PCI is implemented > > or not. No? > > We haven't required ioport implementations in the past, afaik. We don't even require ioremap(). What the hell could it possibly mean on e.g. UML? The same goes for DMA. And yes, of course it means that a lot of drivers are not buildable on it - hardly a surprise, that... - 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/