At 09/08/2011 05:43 PM, Gerd Hoffmann Write:
> Hi,
>
>> I modify the code like this, and the PCI_INTERRUPT_LINE register is
>> set, and I can bind
>> it to uio_pci_generic:
>
>> --- a/src/pciinit.c
>> +++ b/src/pciinit.c
>> @@ -575,6 +575,8 @@ static int pci_bios_init_root_regions(u32 start,
>> u32 end)
>
>> pci_bios_init_bus_bases(&busses[0]);
>> - pci_bios_map_device_in_bus(0 /* host bus */);
>> + for (bus = 0; bus<= MaxPCIBus; bus++) {
>> + pci_bios_map_device_in_bus(bus /* host bus */);
>
> No. pci_bios_map_device_in_bus goes down recursively when it finds a
> bridge, so it should cover all devices already.
Yes, pci_bios_map_device() goes down recursively.
>
>> - pci_bios_init_device_in_bus(0 /* host bus */);
>> + pci_bios_init_device_in_bus(bus /* host bus */);
>> + }
>
> That is correct. Can be done easier though by just not limiting device
> initialization to a specific bus like in the attached patch. Does that
> one work for you?
I test it, and it works for me.
Thanks
Wen Congyang
>
> cheers,
> Gerd
