On Wednesday 26 November 2014 17:21:37 Thierry Reding wrote:
> -
> + pci_add_resource_offset(&sys->resources, &pcie->pio, sys->io_offset);
> pci_add_resource_offset(&sys->resources, &pcie->mem, sys->mem_offset);
> pci_add_resource_offset(&sys->resources, &pcie->prefetch,
> sys->mem_offset);
>
You don't set sys->io_offset anywhere, which is a bug if you have multiple
instances of the PCI host in one system. In my draft patch, I was setting
both io_offset and mem_offset for consistency, and while mem_offset would
in practice be always zero (as discussed on IRC), the io_offset in fact has
a realistic chance of being nonzero and you should definitely set it.
Arnd
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