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    SubjectRe: reserve legacy io regions on powermac
     On Wed, Jul 21, Benjamin Herrenschmidt wrote:

    > On Wed, 2004-07-21 at 05:12, Olaf Hering wrote:
    > > Anton pointed this out.
    > >
    > > ppc32 can boot one single binary on prep, chrp and pmac boards.
    > > pmac has no legacy io, probing for PC style legacy hardware leads to a
    > > hard crash.
    > > Several patches exist to prevent serial, floppy, ps2, parport and other
    > > drivers from probing these io ports.
    > > I think the simplest fix for 2.6 is a request_region of the problematic
    > > areas.
    > > PCMCIA is still missing.
    > > I found that partport_pc.c pokes at varios ports, without claiming the
    > > ports first. Should this be fixed?
    > > smsc_check(), winbond_check(), winbond_check2()
    >
    > Note that this is still all workarounds... Nothing prevents you (and some
    > people actually do that) to put a PCI card with legacy serial ports on it
    > inside a pmac....

    Sure, but will that use the same io ports? I dont have one to verify it.
    How does it look on a pccard modem?

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