Re: [PATCH 2/4] hpt366: UltraDMA filter for SATA cards (take 2)

[Sergei Shtylyov <sshtylyov@ru.mvista.com>]

Bartlomiej Zolnierkiewicz wrote:

> > The Marvell bridge chips used on HighPoint SATA cards do not seem to support
> > the UltraDMA modes 1, 2, and 3 as well as any MWDMA modes, so the driver needs
> > to account for this in the udma_filter() method.  In order to achieve that, do
> > the following changes:

> > - install the method for all chips, not only HPT36x/370 and impove the code
> >  formatting by killing the extra tabs while at it;

> s/impove/improve/

   Will fix in the updated patch...

> > - add to the end of the 'switch' statement in the method cases for HPT372[AN]
> >  and HPT374 chips upon which the known SATA cards are based;

> > - use hwif->ultra_mask as a default mask for the ide_dma_filter() method to
> >  behave correctly;

   ... and I was actually going to get rid of all explict masks there, just 
modifying the 'mask' variable -- this was may paper version but I was in hury 
and forgotten to look at this particular place.

> > - move the HPT370[A] cases below the HPT36x case for consistency.

> > While at it, replace the explicit UltraDMA mode masks with ATA_UDMA* constants
> > all over the driver...

   This is certainly worth a big patch covering all PCI drivers. Maybe I'll 
cook it up.  For now, I'm going to drop this part

> > Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>

> applied

   ... with imminent recast. :-)

> > ---
> > This is against the current Linus tree and unfortunately I was able to only
> > compile test it since that tree gives MODPOST warning and dies early on bootup.

> Is this still case?  Not an IDE problem but definitely needs fixing especially
> given that we are already in -rc3...

   Yeah, it is, at least on my Geode GX2 testing target.

> > Will hopefully finish with the patch series next weekend...

   I'll do my best (althou I've already encountered trouble with displays 
suddenly being blanked -- some{one|thing} set the standby timer to 1-2 
minutes. :-) Beside that my typing loses as an effect of some pills. +:-)

MBR, Sergei
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