diff --git a/configs/bamboo_defconfig b/configs/bamboo_defconfig
index e47d4ec..54b8380 100644
--- a/configs/bamboo_defconfig
+++ b/configs/bamboo_defconfig
@@ -1,4 +1,5 @@
 CONFIG_PPC=y
+# CONFIG_MMC is not set
 CONFIG_4xx=y
 CONFIG_TARGET_BAMBOO=y
 CONFIG_OF_BOARD_SETUP=y