On Sat, Jul 18, 2020 at 8:22 AM Marek Behun <marek.be...@nic.cz> wrote: > > On Sat, 18 Jul 2020 17:05:14 +0200 > Andrew Lunn <and...@lunn.ch> wrote: > > > > If the traces were broken between the fiber module and the SERDES, I > > > should not see these counters incrementing. > > > > Plus it is reproducible on multiple boards, of different designs. > > > > This is somehow specific to the 6390X ports 9 and 10. > > > > Andrew > > Hmm. > > What about the errata setup? > It says: > /* The 6390 copper ports have an errata which require poking magic > * values into undocumented hidden registers and then performing a > * software reset. > */ > But then the port_hidden_write function is called for every port in the > function mv88e6390_setup_errata, not just for copper ports. Maybe Chris > should try to not write this hidden register for SerDes ports.
I just disabled the mv88e6390_setup_errata all together and this did not result in any different behaviour on this broken fiber port. > > Marek
