Add has_mem64 for struct host_bridge, on root bus that does not support
mmio64 above 4g, will not set that.
We will use that info next two following patches:
1. Don't treat non-pref mmio64 as pref mmio, so will not put
it under bridge's pref range when rescan the devices
2. will keep pref
Add has_mem64 for struct host_bridge, on root bus that does not support
mmio64 above 4g, will not set that.
We will use that info next two following patches:
1. Don't treat non-pref mmio64 as pref mmio, so will not put
it under bridge's pref range when rescan the devices
2. will keep pref
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