Re: [PATCH] remove dead drivers/ide/ppc/swarm.c

[Ralf Baechle]

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
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