Hi, This is v7 of the change to work around a PCIe link training phenomenon where a pair of devices both capable of operating at a link speed above 2.5GT/s seems unable to negotiate the link speed and continues training indefinitely with the Link Training bit switching on and off repeatedly and the data link layer never reaching the active state.
This version has been trivially rebased on top of 6.3-rc5 and verified at run time. Previous iteration: <https://lore.kernel.org/r/alpine.deb.2.21.2302022022230.45...@angie.orcam.me.uk/>. Maciej
