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. > >also > >b->bridge = get_device(&bridge->dev); > >so there is one reference held by pci bus. Hmm... so can we just have b->bridge, and then convert bridge to self if necessary? -- Richard Yang Help you, Help me -- 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
