[PATCH v8 14/61] PCI: Add has_mem64 for struct host_bridge

2015-10-27 Thread Yinghai Lu
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

[PATCH v8 14/61] PCI: Add has_mem64 for struct host_bridge

2015-10-27 Thread Yinghai Lu
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