Re: ide.2.4.1-p3.01112001.patch

Andrzej Krzysztofowicz (ankry@green.mif.pg.gda.pl)
Sun, 14 Jan 2001 00:40:58 +0100 (CET)


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From: Andrzej Krzysztofowicz <kufel!ankry>
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Subject: Re: ide.2.4.1-p3.01112001.patch
To: kufel!green.mif.pg.gda.pl!ankry
Date: Sat, 13 Jan 2001 22:00:40 +0100 (CET)
In-Reply-To: <20010113144236.B1155@suse.cz> from "Vojtech Pavlik" at Jan 13, 2001 02:42:36 PM
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vojtech@suse.cz (Vojtech Pavlik)

> > 2.4 has code in the pci quirks to disable the register which makes
> > the chip masquerade as a VP3, and forces it to identify itself as
> > an MVP3 part. I'm curious whether this has an interaction here.
>
> This doesn't do anything but change the ID so that Linux drivers are not
> confused anymore. This caused a lot of trouble in 2.2, especially with
> the old VIA IDE driver.
[...]
> Fortunately all these chips use PIIX-compatible extensions to the PCI
> bus, so they are all interchangeable to some degree.
>
> > I'm curious if all of the other boards in Alans bug reports also
> > fall into the stranger category.
>
> It's possible. I have a board (VA-503A), which has a masqueraded 598,
> which identifies itself as 597, and a 686a southbridge. This got the
> 2.2 ide driver completely confused, for example.

Maybe the VIA IDE chipset support option should depend on PCI quirks now ?

-- 
=======================================================================
  Andrzej M. Krzysztofowicz               ankry@mif.pg.gda.pl
  tel.  (0-58) 347 14 61
Wydz.Fizyki Technicznej i Matematyki Stosowanej Politechniki Gdanskiej
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