As far as I know the Timberdale chip was only used as a companion for Intel Atom E600 series processors. As such, its drivers are only useful on X86_32. Signed-off-by: Jean Delvare <jdelvare@xxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Jiri Slaby <jslaby@xxxxxxx> --- drivers/tty/serial/Kconfig | 1 + 1 file changed, 1 insertion(+) --- linux-3.14.orig/drivers/tty/serial/Kconfig 2014-03-31 05:40:15.000000000 +0200 +++ linux-3.14/drivers/tty/serial/Kconfig 2014-04-03 10:09:03.356682369 +0200 @@ -1226,6 +1226,7 @@ config SERIAL_BFIN_SPORT3_UART_CTSRTS config SERIAL_TIMBERDALE tristate "Support for timberdale UART" select SERIAL_CORE + depends on X86_32 || COMPILE_TEST ---help--- Add support for UART controller on timberdale. -- Jean Delvare SUSE L3 Support -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html