On Mon, Nov 25, 2024 at 04:59:00PM +0100, Arnd Bergmann wrote: > On Mon, Nov 25, 2024, at 12:06, Arnd Bergmann wrote: > > +unsigned int nr_uarts = ARRAY_SIZE(old_serial_port);; > > + > > Unfortunately, this breaks on non-x86 because of the check > added in 59cfc45f17d6 ("serial: 8250: Do nothing if nr_uarts=0"). > > I still think it's the right idea, but need to unwind further > to make this possible, and find a different fix for the bug > from that commit. > I decided to apply the patch below to my fixes branch. It doesn't change the code, it just gets rid of the warning backtrace. Guenter ---