serial: max310x: Allow driver to be compiled as module

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 923d3dea77cb958bc6513fa6a98b99f8a1840240..7cfa2ed8241c4df928328b3e5685ccb69b24f478 100644 (file)
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -289,7 +289,7 @@ config SERIAL_MAX3100
          MAX3100 chip support
 
 config SERIAL_MAX310X
-       bool "MAX310X support"
+       tristate "MAX310X support"
        depends on SPI_MASTER
        select SERIAL_CORE
        select REGMAP_SPI if SPI_MASTER