On Mon, Jun 4, 2012 at 9:11 PM, Ram Pai <linuxram@xxxxxxxxxx> wrote:
> On Tue, Jun 05, 2012 at 11:26:27AM +0800, Richard Yang wrote:
>> BTW, the pci_bus->self, pci_bus->bridge seem to point the same thing.
>> So this is really necessary to do this?
>
> pci_bus->self points to the pci_dev structure, and pci_bus->bridge
> points to the device structure. Both correspond to the same bridge. BTW: device
> structure is the basic structure to represent any device in the system,
> not necessarily pci device.
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".
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