On Monday, October 20, 2008 4:06 pm Benjamin Herrenschmidt wrote: > Some firmware fail to properly configure P2P bridges, leaving them > with invalid bus numbers. In some cases, this happens on some embedded > 4xx boards as the result of the kernel allocating different bus space > than the firmware does to host bridges while not setting > pcibios_assign_all_busses() for various reasons. In other cases, it can > just be bogus firmware. > > This adds some sanity checking to the PCI probing code. If a bridge is > found whose primary bus number doesn't match the bus it's sitting on, > or whose secondary bus number not strictly above it's primary bus > number, then the bridge bus numbers are deconfigured in the first pass > of pci_scan_bridge() to be re-assigned in the second pass. > > Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > --- > > Ayman, can you double check that this variant of the patch still > fixes your problem ? Thanks ! Sure, seems straightforward enough, I'll wait for Ayman's "Tested-by" before pushing. Thanks, Jesse -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
