Re: pci_domain_nr vs. /sys/devices

Ivan Kokshaysky
2003-06-18T13:11:30Z

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.