Hi Geert, >> --- /dev/null >> +++ b/drivers/fsi/Kconfig >> @@ -0,0 +1,12 @@ >> +# >> +# FSI subsystem >> +# >> + >> +menu "FSI support" >> + >> +config FSI >> + tristate "FSI support" > > I guess this should depend on some POWER symbol || COMPILE_TEST?
No, this is pretty hardware-independent - all it requires on the HW side is two GPIOs. Although the FSI slave devices are typically only present on POWER systems, they can be driven from anything, with currently implementations being on ARM and 32-bit powerpc. Cheers, Jeremy