>> Is this really an either/or ? >> >> Could there be a base functionality on bar0 and a skew functionality on vendor bars? > > For simplicity I think either or is better. If skew functionality is in vendor bars, why not just use the vendor bars all the time. > >> >> If vendor is going to completely override, why not use bar0 ? > > I'm not sure I understand the question, but in v2 the legacy DFL search will only occur if there is no VSEC found. > Wondering if vsec was ignored, would the bar0 work ? Or another way, how badly would an old driver behave. consider incrementing the driver version if it would be bad. Tom >> >> Tom >> >>> >>> if (ret) >>> goto irq_free_exit; >> >> >