Marcel Apfelbaum <marcel.apfelb...@gmail.com> 于2018年8月25日周六 下午7:58写道： > > > > On 08/19/2018 05:00 AM, Zihan Yang wrote: > > Marcel Apfelbaum <marcel.apfelb...@gmail.com> 于2018年8月18日周六 上午1:49写道： > >> > >> > >> On 08/09/2018 09:34 AM, Zihan Yang wrote: > >>> Describe new pci segments of host bridges in AML as new pci devices, > >>> with _SEG and _BBN to let them be in DSDT. > >>> > >>> Besides, bus_nr indicates the bus number of pxb-pcie under pcie.0 bus, > >>> but since we put it into separate domain, it should be zero, > >> Why should it be 0? Isn't possible we start another domain from bus_nr> 0? > > In the last version, I got a misunderstanding about bus_nr, and you pointed > > me > > out that we should start from bus 0 when in new domain. I can support this > > start_bus in later patch, but I wonder when would we want to start a domain > > from bus_nr > 0? I'm not quite familiar with the use case. > > That is a good point. I can't think of a reason to start a new PCI > domain with a bus number >0 , but is it possible. > So if it doesn't complicate the implementation we don't > want this kind of limitation. > On the other hand, if it makes the code too complicated, > we can argue for requiring it.
OK, then I will add it first and see its impact. > Thanks, > Marcel > > [...]
