On Mon, Jun 04, 2012 at 10:20:51PM -0700, Yinghai Lu wrote: > On Mon, Jun 4, 2012 at 10:18 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > > On Mon, Jun 4, 2012 at 9:37 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: > >> That's true, but I don't think it answers the question. If we have: > >> > >> pci_bus->bridge == pci_bus->self->dev > >> > >> why would we need both "self" and "bridge"? It would be interesting > >> to try to remove "bridge" and replace uses of it with "self->dev". > > > > then how about root bus? > > > > root bus ->self should be NULL. > > > > root bus ->bridge is to the hostbridge->dev. Yinghai, is there a reason why this can't be fixed in pci_create_root_bus() by having bus->self = bridge; /* 'bridge' is the pci_device of the corresponding host bridge */ get_device(&bridge->dev); RP -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html