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SubjectRe: SBS450-10704 SCSI Ultra-Wide on Sun 4/670MP qlogicpti.c problem
On Fri, 17 Dec 1999, Jakub Jelinek wrote:

> Date: Fri, 17 Dec 1999 15:29:35 +0100
> From: Jakub Jelinek <jakub@redhat.com>
> To: Robert Dinse <nanook@eskimo.com>
> Cc: linux-kernel@vger.rutgers.edu, davem@redhat.com
> Subject: Re: SBS450-10704 SCSI Ultra-Wide on Sun 4/670MP qlogicpti.c problem
>
> > Well, apparently on a 4/670MP with Ross Hypersparc, we need to do it the
> > slow way too, because removing the above code so that it always used this
> > method fixed the problem. The SCSI card initializes fine and it's been
> > grinding on news all day without an error.
> >
> > Hypersparc is version 8, not version 9, so I don't know if you could just
> > add || defined (__sparc8__)? I.e., I don't know what gcc defines on Hypersparc
> > that would differentiate it from a machine with the old Ross or Cypress 40mhz
> > or TI 50mhz CPU's, or for that matter if the code would have worked had I had
> > those CPU's (since I don't I couldn't test it).
>
> You cannot do that like that. Not only HyperSparc is version 8, plus sparc32
> is usually compiled to run on all 32bit SPARC platforms (ok, no sun4).
> So if you'd like to, you need runtime test for HyperSparc.
> But I guess if PIO download is done always, it should not hurt and save some
> kernel code.
>
> Cheers,
> Jakub

Given that it's David's driver and he pretty much has the final word on
the Sparc port anyway; it's obviously up to him. Me, I'd be happy with
whatever makes it work with a stock kernel, not having to modify it every time
we upgrade to a newer version.



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