On Tue, Dec 04, 2018 at 02:20:48PM +0300, Mika Westerberg wrote: > Gigabyte X299 DESIGNARE EX motherboard has one PCIe root port that is > connected to an Alpine Ridge Thunderbolt controller. This port has slot > implemented bit set in the config space but other than that it is not > hotplug capable in the sense we are expecting in Linux (it has > dev->is_hotplug_bridge set to 0): I guess we can conclude here that we cannot reliably identify root ports such as this one using ACPI description, which leaves us the blacklist. If there are no objections, can we get this into v4.21? Thanks :)