On Monday 03 November 2008 11:57, Benjamin Herrenschmidt wrote: > On Mon, 2008-11-03 at 10:10 +0100, Matthias Fuchs wrote: > > > > Adding this interrupt to the PCI node would make (logical) sense. But > > on PCI adapter (add-in cards) designs we typically disable the PCI node > > of the DT to disable PCI PnP. This should not prevent us from adding the > > interrupt to the node but it looks a little bit weird to take an interrupt > > from a disabled node, right? > > You can make a pci-endpoint node that isn't detected as a host bridge. > In fact, I think we have some way to even tell in the DT not to activate > host bridge function on 44x nowadays no ? I dont remember for sure but > it's easy enough to add. We have endpoint support for PCIe and the possibility to disable PCI through the status attribute. > > > > the actual PCI bridge, then you can stick an interrupts property in the > > > PCI host bridge node in the DT just fine. > > The PCI node already contains the interrupt-map for the PCI interrupts. > > Only relevant for master, not endpoint. > > > Doesn't adding a further interrupt property cause some trouble with the PCI > > interrupts? > > Not for endpoint. I see.
I will try to add endpoint support for PCI as well. I would like to have a single PCI node and let the device_type attribute decide if we are running in hostbridge or endpoint mode. Matthias _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev