This is PF only path. Yes either we have a root returned otherwise will fall back to iomem_resource. On 12/18/17 1:21 AM, Alexey Kardashevskiy wrote: > @dev here is a VF, right? I am not familiar with powervn much but from what > I see - the devices are sitting on a root bus of their own PHB and they all > either have a root returned from pci_find_parent_resource() or none of them > has a root and will fall back to &iomem_resource, or both cases are possible?