Ultra with 20MB/s od AIC7890 ????

[Venkatesh Krishnamurthi]

  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 at redhat.com>
>    Opinions expressed are my own, but
>       they should be everybody's.
> 
> 
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