Re: No Subject

From: Bartlomiej Zolnierkiewicz (B.Zolnierkiewicz@elka.pw.edu.pl)
Date: Sat Aug 03 2002 - 17:16:35 EST


On Sat, 3 Aug 2002, Bartlomiej Zolnierkiewicz wrote:

>
> On 3 Aug 2002, Alan Cox wrote:
>
> > On Sat, 2002-08-03 at 20:26, Pawel Kot wrote:
> > > What helped me was using fixup_device_piix() from -ac in
> > > ide_scan_pcidev(). My controler's ID is DEVID_ICH3M.
> > > It is used in a different, more generic way in -ac, so I don't post the
> > > patch.
> > >
> > > Alan, Marcelo: is there any chance that this change will be ported from
> > > -ac in 2.4.20?
> >
> > I plan to send Marcelo all the IDE updates. Note btw the checking of the
> > return value on pci_enable_device is critical - some old kernels hang on
> > boot with crappy bioses through not checking.
>
> Of course it is critical :-).
>
> > What I begin to the think the right answer is, is to relax the IDE fixup
> > block in the i386 kernel boot up. Right now we avoid assigning
> > unassigned resources for IDE controllers. Clearly we should be doing so.
>
> I think so.
> Andre what do you think?

Just rethough it. What if chipset is in compatibility mode?
Like VIA with base addresses set to 0?

(please note I am not a PCI resource menagament expert ;-)

> And one more thing in ide-pci.c:ide_setup_pci_device() after explicitly
> enabling device's IOs we may need to update dev->resource and we don't
> do this (we place chipset in native mode so i.e. on VIA base addresses
> are just showing up). How to update them?
>
> Regards
> --
> Bartlomiej

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