serial: 8250: Add hardware dependency to RT288X option

Kconfig option SERIAL_8250_RT288X seems to be only relevant on MIPS
platforms, so do not present it on other architectures, unless
build-testing.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Mans Rullgard <mans@mansr.com>
Cc: Jiri Slaby <jslaby@suse.com>
Acked-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index 67ad6b0..dca2031 100644 (file)
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -319,6 +319,7 @@ config SERIAL_8250_EM
 config SERIAL_8250_RT288X
        bool "Ralink RT288x/RT305x/RT3662/RT3883 serial port support"
        depends on SERIAL_8250
+       depends on MIPS || COMPILE_TEST
        default y if MIPS_ALCHEMY || SOC_RT288X || SOC_RT305X || SOC_RT3883 || SOC_MT7620
        help
          Selecting this option will add support for the alternate register