Changes in v3: Use Jason Gunthorpe suggestion, that is add a flag 'IS_ROOT_PORT' instead of 'port' and then just ignore the slot number entirely for root ports. Changes in v2: Change comment and description based on Logan Gunthorpe comments. Shlomo Pongratz (1): Intel Sky Lake-E host root ports check. drivers/pci/p2pdma.c | 42 +++++++++++++++++++++++++++++++++++++----- 1 file changed, 37 insertions(+), 5 deletions(-) -- 2.17.1