> Today's build failed because there's a new user in the MIPS tree: > arch/mips/cavium-octeon/serial.c > > http://kisskb.ellerman.id.au/kisskb/buildresult/6739341/ The version in the tree I have registers a platform device rather than calling into 8250 directly. That appears to be rather better mannered than whatever you are building. If someone has moved from the platform device could they kindly explain *why* ?