Re: sis5513.c patch

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[ Andrew, please remove this patch from -mm queue. ]

On 6/8/05, Bartlomiej Zolnierkiewicz <[email protected]> wrote:
> On 6/8/05, Andrew Hutchings <[email protected]> wrote:
> > Bartlomiej Zolnierkiewicz wrote:
> > > On 6/8/05, Andrew Hutchings <[email protected]> wrote:
> > >
> > >>Hi,
> > >
> > >
> > > Hi,
> > >
> >
> > Hi again,
> >
> > >
> > >>I'm not sure if a similar patch has been submitted or not, but here is a
> > >>patch to get DMA working on ASUS K8S-MX with a SiS 760GX/SiS 965L
> > >>chipset combo.
> > >
> > >
> > > This patch is incorrect, it adds PCI ID of SiS IDE controller (this ID
> > > is common for almost all SiS IDE controllers and is already present in
> > > sis5513_pci_tbl[]) to the table of SiS Host PCI IDs.  As a result driver
> > > will try to use ATA_133 on all _unknown_ IDE controllers.  You need
> > > to add PCI ID of the Host chipset (lspci should reveal it) instead.

Second look into sis5513.c and another problem turns out - patch breaks 
support for IDE controllers integrated into 961 and 961B South Bridges
(ATA_133 is used instead of ATA_100 and ATA133a).

For unknown Host Bridges driver checks for presence of 961/961B/962/963
South Bridges by checking true device ID (please see sis5513.c for details) 
and assigns 'chipset_family' accordingly (ATA_100/ATA_133a or ATA_133).

You have 965L South Bridge so probably it has newer true device ID 
and  may also require different programming sequence.

> Could you please send full lspci -vvv output?

and lspci -xxx

Bartlomiej
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