On Thu, Apr 27, 2017 at 6:55 AM, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote: > On 23 April 2017 at 02:45, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: >> >> looks like those two lines are reversed. you should use: >> pcibios_resource_survey_bus(bus); >> pci_assign_unassigned_root_bus_resources(bus); >> >> please check x86 pcibios_resource_survey_bus() definition in >> arch/x86/pci/i386.c >> >> but pci_bus_claim_resources() should work too. >> > > pcibios_resource_survey_bus() is actually an empty function on arm64, > but I guess that is where logic should go that checks the state of the > BARs before trying to claim anything? Yes. Please copy for x86 and simplify it for arm64. Yinghai
