On Tue, Mar 13, 2018 at 07:20:10PM +0800, Dongdong Liu wrote: [...] > >It sounds like you're saying HIP07 doesn't provide _PRT? Per the PCI > >Firmware Spec, r3.0, sec 4.4, _PRT is required under all PCI host > >bridges. So I think you're saying HIP07 doesn't comply with the spec, > > Yes, It does not support to use _PRT on the Hip07. Hip07 firmware will be updated to support _PRT because that's what the ACPI specifications enforce. Thanks, Lorenzo