env: mmc/fat/ext4: undefined reference to `mmc_initialize'

For CONFIG_ENV_FAT_INTERFACE != 'mmc' a link error
env/fat.c:93: undefined reference to `mmc_initialize'
occurs if CONFIG_MMC_SUPPORT is not enabled.

Fixes: 26862b4a40c3 ("env: mmc/fat/ext4: make sure that the MMC sub-system
is initialized before using it")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/env/fat.c b/env/fat.c
index 19f260e881..884eeb8c5f 100644
--- a/env/fat.c
+++ b/env/fat.c
@@ -89,8 +89,10 @@ static int env_fat_load(void)
 	int dev, part;
 	int err;
 
+#ifdef CONFIG_MMC
 	if (!strcmp(CONFIG_ENV_FAT_INTERFACE, "mmc"))
 		mmc_initialize(NULL);
+#endif
 
 	part = blk_get_device_part_str(CONFIG_ENV_FAT_INTERFACE,
 					CONFIG_ENV_FAT_DEVICE_AND_PART,