On Thu, Apr 11, 2019 at 01:40:25PM +0100, Jean-Philippe Brucker wrote: > Since v2 [1] I fixed a possible NULL dereference reported by smatch, > sorry about that. I dropped all tags for patch 2. > > Add an "external-facing" property to PCI ports in device-tree, to help > identify untrusted devices. The notion of untrusted PCI devices was > added to the v5.0 kernel to describe devices that should have strict > IOMMU protection [2], for example devices that are plugged in a > Thunderbolt port. ACPI systems use the ExternalFacingPort property [3]. > Add an equivalent mechanism to device tree. > > [1] https://lore.kernel.org/linux-pci/20190402131548.41949-1-jean-philippe.brucker@xxxxxxx/ > [2] https://lkml.org/lkml/2018/11/26/631 > [3] https://docs.microsoft.com/en-us/windows-hardware/drivers/pci/dsd-for-pcie-root-ports#identifying-externally-exposed-pcie-root-ports > > Jean-Philippe Brucker (2): > dt-bindings: Add external-facing PCIe port property > PCI: OF: Support external-facing property > > Documentation/devicetree/bindings/pci/pci.txt | 50 +++++++++++++++++++ > drivers/pci/of.c | 14 ++++-- > 2 files changed, 60 insertions(+), 4 deletions(-) Applied to pci/enumeration for v5.2, thanks, and thanks for fixing the NULL pointer issue!