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SubjectRe: ata_piix: port disabled. ignoring.
On Wed, 19 May 2004, Bartlomiej Zolnierkiewicz wrote:
> On Wednesday 19 of May 2004 09:48, Geert Uytterhoeven wrote:
> > On Tue, 18 May 2004, Bartlomiej Zolnierkiewicz wrote:
> > > On Monday 17 of May 2004 16:19, Geert Uytterhoeven wrote:
> > > > If I disable CONFIG_SCSI_SATA, IDE works, but very slow (no DMA).
> > >
> > > due to CONFIG_BLK_DEV_PIIX=n but ata_piix.c is prefferred for SATA
> >
> > No, I had
> >
> > CONFIG_BLK_DEV_PIIX=y
> > CONFIG_BLK_DEV_IDEDMA_PCI=y
> >
> > but I get an error when trying to enable DMA using hdparm.
>
> I suppose that you're using chipset which ID is not in piix.c.
> If not than this is a bug and I would like to know more about it.

Upon closer look, piix.c doesn't recognize the ESB_3 yet. If I add it to
piix.[ch] and treat it the same as the ICH5-SATA, the SATA disk gets 57 MiB/s
using the PATA piix driver.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- Sony Network and Software Technology Center Europe (NSCE)
Geert.Uytterhoeven@sonycom.com ------- The Corporate Village, Da Vincilaan 7-D1
Voice +32-2-7008453 Fax +32-2-7008622 ---------------- B-1935 Zaventem, Belgium
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