In the case of MTD_BLOCK and UBI_BLOCK they should be select'ing BLK as they provide block device functionality and not depending on some other block device already being enabled too (as is the typical case). Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de> Reviewed-by: Peter Robinson <pbrobinson@gmail.com> Signed-off-by: Tom Rini <trini@konsulko.com>