From: Ralf Baechle <ralf@linux-mips.org>
To: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
macro@ds2.pg.gda.pl
Subject: Re: [PATCH] remove dead drivers/ide/ppc/swarm.c
Date: Tue, 4 May 2004 14:43:49 +0200 [thread overview]
Message-ID: <20040504124349.GA15664@linux-mips.org> (raw)
In-Reply-To: <200405041428.50592.bzolnier@elka.pw.edu.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
next prev parent reply other threads:[~2004-05-04 12:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-03 23:34 [PATCH] remove dead drivers/ide/ppc/swarm.c Bartlomiej Zolnierkiewicz
2004-05-04 11:19 ` Ralf Baechle
2004-05-04 12:28 ` Bartlomiej Zolnierkiewicz
2004-05-04 12:42 ` Bartlomiej Zolnierkiewicz
2004-05-04 12:43 ` Ralf Baechle [this message]
2004-05-04 13:10 ` Bartlomiej Zolnierkiewicz
2004-05-04 14:27 ` Maciej W. Rozycki
2004-05-05 15:36 ` Maciej W. Rozycki
2004-05-05 17:34 ` Bartlomiej Zolnierkiewicz
2004-05-05 19:05 ` Maciej W. Rozycki
2004-05-04 14:21 ` Maciej W. Rozycki
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