diff --git a/drivers/staging/greybus/Makefile b/drivers/staging/greybus/Makefile
index 42804547ba24..1715f452a677 100644
--- a/drivers/staging/greybus/Makefile
+++ b/drivers/staging/greybus/Makefile
@@ -49,7 +49,7 @@ INSTALL_MOD_PATH	?= /..
 PWD			:= $(shell pwd)
 
 # kernel config option that shall be enable
-CONFIG_OPTIONS_ENABLE := SYSFS SPI USB SND_SOC
+CONFIG_OPTIONS_ENABLE := SYSFS SPI USB SND_SOC MMC
 
 # kernel config option that shall be disable
 CONFIG_OPTIONS_DISABLE :=