On Monday 03 November 2008 12:54, Stefan Roese wrote: > On Monday 03 November 2008, 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. > > Yes, it's there. But "only" for PCIe and not for PCI(-X). This patch added it > for PCIe: > > [POWERPC] 4xx: Add endpoint support to 4xx PCIe driver > > It should be easy to add this for PCI and PCI-X as well. Yes, I already though about that. Currently I set the status attribute of the pci node to "disabled" when running as endpoint.
But adding endpoint support similiar as you did for PCIe makes sense to me. Matthias _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
