On Tue, Mar 25, 2014 at 09:58:45PM +0200, Aaro Koskinen wrote: > Enabling EARLY_PRINTK_8250 breaks OCTEON builds because of multiple > prom_putchar() implementations. OCTEON provides its own prom_putchar() > (also used by the watchdog driver), so we should prevent user from > selecting EARLY_PRINTK_8250 on OCTEON. There shouldn't be Octeon-specific code in the 8250-driver, not even the Kconfig bits. Also other systems - at least Sibyte - affected by the same issue so I went for a different patch. Ralf