Date: Mon, 23 Nov 1998 19:44:02 -0800 (PST) From: vk@spies.com (Venkatesh Krishnamurthi) To: aic7xxx@FreeBSD.ORG Subject: Re: Ultra with 20MB/s od AIC7890 ???? Message-ID: <m0zi9OU-000TloC@spies.com> In-Reply-To: <Pine.LNX.4.04.9811231551010.26778-100000@kabal.redhat.com> from "Doug Ledford" at Nov 23, 98 03:53:04 pm
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Yay it works! This fix also brought the hdparm results to the values
obtained with the 5.1.2 driver.
Thanks,
Venkatesh
>
> On Mon, 23 Nov 1998, Neil Conway wrote:
>
> > Doug Ledford wrote:
> > >
> > > That will be fixed in 5.1.5 (a bug introduced by myself accidentally while
> > > dealing with YANSF (Yet Another New Seeprom Format)).
> >
> > I don't suppose it's a quickneasy fix ? I'm about to bring a production
> > machine back on-line this evening for a (hopefully) multi-week run and
> > it'd be nice to get the interface back up to speed, as I'll probably not
> > get another chance for many weeks... If it's only a two-liner I could
> > just patch the kernel.
> >
> > sorry to hassle you - the driver is great in all other ways.
>
> It is quick and easy. Around line 8352 make the code look like:
>
> if (p->flags & AHC_NEWEEPROM_FMT)
> {
> if (sc->device_flags[i] & CFSYNCHISULTRA)
> {
> p->ultraenb |= mask;
> }
> else if (sc->device_flags[i] & CFNEWULTRAFORMAT)
> {
> if ( ((sc->device_flags[i] & (CFSYNCHISULTRA | CFXFER)) == 0x03)
> &&
> !(p->features & AHC_ULTRA2) )
> {
> sc->device_flags[i] &= ~CFXFER;
> sc->device_flags[i] |= CFSYNCHISULTRA;
> p->ultraenb |= mask;
> }
> }
> }
>
>
> Doug Ledford <dledford@redhat.com>
> Opinions expressed are my own, but
> they should be everybody's.
>
>
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