[PATCH 2/8] Add uli1575 pci-bridge sector to MPC8641HPCN dts file.

Benjamin Herrenschmidt benh at kernel.crashing.org
Fri Jun 8 18:32:25 EST 2007


On Fri, 2007-06-08 at 10:29 +0200, Segher Boessenkool wrote:
> > Hrm... does the interrupt-map include the bus number for you ? They
> > generally don't ...
> 
> Any interrupt mapping should serve one interrupt domain
> only.  For a PCI bus, that bus is that domain, so all
> bus#s in the interrupt-map should be identical.
> 
> Now you can cheat and have one interrupt-map handle
> mappings for several PCI busses (in the same PCI domain).
> Whenever this works at all, it is not by design, and
> results in a huge mess and various (little) problems.

Agreed.

Ben.





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