serial: timberdale: Depend on X86_32

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@suse.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 2e6d8ddc44252b44bfeba8e9a2a0072052a9414f..5d9b01aa54f4c0e3d037611b721c562a2f4823fd 100644 (file)
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -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.