Re: Promise 20378 + 2.6.0-test10 + libata patch 1

[Jeff Garzik]

Erik Andersen wrote:
> On Mon Dec 01, 2003 at 10:04:42PM -0500, Jeff Garzik wrote:
>
> > Joe Blow wrote:
> >
> > > > From: Jeff Garzik <jgarzik@xxxxxxxxx>
> > > >
> > > > Nope, libata Promise driver only supports Serial ATA.
> > >
> > >
> > > Bummer.  Will it ever support PATA?
> >
> > No plans.
>
>
> What exactly is needed to get got SATA and PATA support
> comparable to the driver provided by promise?  Would it be
> possible to adapt the existing promise PATA IDE driver to drive
> the PATA port, while the libata Promise driver handles the SATA
> ports.  Or would a new driver be needed?
>
> How would the two drivers share the same PCI device?

It looks like libata pretty much needs to do PATA, in this case and a 
couple others.  Promise sent me a couple 2037x test cards with a PATA 
port on them, so just now need the time... :)

Getting PATA disks working should be very, very easy.  Getting ATAPI 
devices working requires some libata core hacking, though the ATAPI code 
is mostly there already.

	Jeff




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