From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralf Baechle Subject: Re: [PATCH] remove dead drivers/ide/ppc/swarm.c Date: Tue, 4 May 2004 14:43:49 +0200 Sender: linux-ide-owner@vger.kernel.org Message-ID: <20040504124349.GA15664@linux-mips.org> References: <200405040134.22092.bzolnier@elka.pw.edu.pl> <20040504111902.GA14240@linux-mips.org> <200405041428.50592.bzolnier@elka.pw.edu.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from p508B626F.dip.t-dialin.net ([80.139.98.111]:60786 "EHLO mail.linux-mips.net") by vger.kernel.org with ESMTP id S264354AbUEDMo3 (ORCPT ); Tue, 4 May 2004 08:44:29 -0400 Content-Disposition: inline In-Reply-To: <200405041428.50592.bzolnier@elka.pw.edu.pl> List-Id: linux-ide@vger.kernel.org To: Bartlomiej Zolnierkiewicz Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, macro@ds2.pg.gda.pl On Tue, May 04, 2004 at 02:28:50PM +0200, Bartlomiej Zolnierkiewicz wrote: > It is not integrated into -mm (2.6.6-rc3-mm1) yet so I couldn't see it. > [ Please cc: me on IDE patches. ] Will do. > If it looks the same as in linux-mips CVS it won't work because I've killed > ide_init_default_hwifs() recently (except ARM but patch is pending). > > Sorry, this is what you get when using hacks. 8) > > While at swarm.c ... > > > * Boards with SiByte processors so far have supported IDE devices via > > * the Generic Bus, PCI bus, and built-in PCMCIA interface. In all > > * cases, byte-swapping must be avoided for these devices (whereas > > * other PCI devices, for example, will require swapping). > > Why does byte-swapping must be avoided for PCI IDE > but not for other PCI devices? Simply a result of the way the IDE bus is hooked up to the generic bus of the Sibyte chip. I'd have to research details if you're interested ... Ralf