Re: pci_domain_nr vs. /sys/devices

[Ivan Kokshaysky <ink@jurassic.park.msu.ru>]

On Wed, Jun 18, 2003 at 02:02:34PM +0100, Matthew Wilcox wrote:
> > "Never" is not quite correct - "in general we don't have"
> > would be better. Full-sized Marvel can have up to 512 root buses.
> 
> So what do you want to do about that case?

Probably something like this:

static inline int pci_name_bus(char *name, struct pci_bus *bus)
{
	if (pci_domain_nr(bus) < 256) {
		sprintf(name, "%02x", bus->number);
	} else {
		sprintf(name, "%04x:%02x", pci_domain_nr(bus), bus->number);
	}
	return 0;
}

Ivan.