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    SubjectRe: [PATCH] 2.5.5-pre1 IDE cleanup 9

    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.

    I have investigated it, but it didn't seem to allow the boot order set by
    user in sym53c8xx HBA NVRAMs to be applied, breaking as a result all
    systems depending on it. Since it is transparently handled by the
    sym53c8xx driver and just behaves _as_ user expects, my guess is that
    numerous users may just have their system relying on it.

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

    Propose a kernel API that does not break more features that it adds and I
    will be glad to use it.


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