On Wed, Nov 01, 2023 at 08:14:31PM -0500, Mario Limonciello wrote: > Considering this I think it's a good idea to move that creation of the > device link into drivers/pci/pci-acpi.c and store a bit in struct pci_device > to indicate it's a tunneled port. > > Then 'thunderbolt' can look for this directly instead of walking all the FW > nodes. > > pcie_bandwidth_available() can just look at the tunneled port bit instead of > the existence of the device link. pci_is_thunderbolt_attached() should already be doing exactly what you want to achieve with the new bit. It tells you whether a PCI device is behind a Thunderbolt tunnel. So I don't think a new bit is actually needed. Thanks, Lukas
