Re: [PATCH] 2.5.5-pre1 IDE cleanup 9

Andre Hedrick
2002-02-22T19:59:43Z

On Fri, 22 Feb 2002, Jeff Garzik wrote:

> Gérard Roudier wrote:
> > On Fri, 22 Feb 2002, Jeff Garzik wrote:
> > > Only 1-2 SCSI drivers do PCI probing "the right way"... IIRC aic7xxx is
> > > one of them.
> >
> > Could you, please, not mix PCI probing and SCSI probing.
> >
> > Average user does not care about PCI probing. But it does care on booting
> > the expected kernel image and mounting the expected partitions.
> > It also doesn't care of code aesthetical issue even with free software
> > since average user is not a kernel hacker.
>
> Most SCSI drivers are not using the 2.4 PCI API, which has been
> documented and stable for a while now.

Also not that ATA/IDE drivers were not using 2.4 PCI API and likewise was
stable for a while.

> This is need for transparented support for cardbus and hotplug PCI, not

This is HOST level operation not DEVICE, and you do not see the differenc.

> some pie-in-the-sky code asthetic. This will become further important
> as 2.5.x transitions more and more to Mochel's driver model work, which
> will among other things provide a sane power management model.
>
> To tangent, IDE and SCSI hotplug issues are interesting, because a lot
> of people forget or mix up the two types of hotplug, board (host)
> hotplug and drive hotplug.

It is a shame that I will now have to start from scratch to create another
API for hotplug device for ATA/ATAPI that was migrating into SCSI because
of the ide-scsi driver.

Andre Hedrick
Linux Disk Certification Project Linux ATA Development