Messages in this thread | | | Date | Wed, 21 Jul 2004 16:56:49 +0200 | From | Olaf Hering <> | Subject | Re: reserve legacy io regions on powermac |
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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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