mtd: Fix dependency for MTD_DOC200x

Fix the following build warning:

warning: (MTD_DOC2000 && MTD_DOC2001 && MTD_DOC2001PLUS) selects MTD_NAND_IDS
which has unmet direct dependencies (MTD && MTD_NAND)

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index 952e956ef01d..37b05c3f2792 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -191,6 +191,7 @@ comment "Disk-On-Chip Device Drivers"
 
 config MTD_DOC2000
         tristate "M-Systems Disk-On-Chip 2000 and Millennium (DEPRECATED)"
+        depends on MTD_NAND
         select MTD_DOCPROBE
         select MTD_NAND_IDS
         ---help---
@@ -213,6 +214,7 @@ config MTD_DOC2000
 
 config MTD_DOC2001
         tristate "M-Systems Disk-On-Chip Millennium-only alternative driver (DEPRECATED)"
+        depends on MTD_NAND
         select MTD_DOCPROBE
         select MTD_NAND_IDS
         ---help---
@@ -234,6 +236,7 @@ config MTD_DOC2001
 
 config MTD_DOC2001PLUS
         tristate "M-Systems Disk-On-Chip Millennium Plus"
+        depends on MTD_NAND
         select MTD_DOCPROBE
         select MTD_NAND_IDS
         ---help---