[LinuxBIOS] PCI max buses - Simple solution

[Stefan Reinauer]

* yhlu <yinghailu at gmail.com> [060422 06:37]:
> we already have
> pci_locate_device().
> pci_locate_device_on_bus(...unsigned bus).
 
Cool! I guess most of us just did not know about that.

static device_t pci_locate_device_on_bus(unsigned pci_id, unsigned bus)

is defined in romcc_io.h and does exactly what is needed in this case.
Firewire on the Epia is always on bus 0.

Stefan

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