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-rw-r--r--drivers/mtd/Kconfig15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index a304b34c2632..26f75c299440 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -164,9 +164,15 @@ config MTD_CHAR
memory chips, and also use ioctl() to obtain information about
the device, or to erase parts of it.
+config MTD_BLKDEVS
+ tristate "Common interface to block layer for MTD 'translation layers'"
+ depends on MTD && BLOCK
+ default n
+
config MTD_BLOCK
tristate "Caching block device access to MTD devices"
depends on MTD && BLOCK
+ select MTD_BLKDEVS
---help---
Although most flash chips have an erase size too large to be useful
as block devices, it is possible to use MTD devices which are based
@@ -189,6 +195,7 @@ config MTD_BLOCK
config MTD_BLOCK_RO
tristate "Readonly block device access to MTD devices"
depends on MTD_BLOCK!=y && MTD && BLOCK
+ select MTD_BLKDEVS
help
This allows you to mount read-only file systems (such as cramfs)
from an MTD device, without the overhead (and danger) of the caching
@@ -200,6 +207,7 @@ config MTD_BLOCK_RO
config FTL
tristate "FTL (Flash Translation Layer) support"
depends on MTD && BLOCK
+ select MTD_BLKDEVS
---help---
This provides support for the original Flash Translation Layer which
is part of the PCMCIA specification. It uses a kind of pseudo-
@@ -216,6 +224,7 @@ config FTL
config NFTL
tristate "NFTL (NAND Flash Translation Layer) support"
depends on MTD && BLOCK
+ select MTD_BLKDEVS
---help---
This provides support for the NAND Flash Translation Layer which is
used on M-Systems' DiskOnChip devices. It uses a kind of pseudo-
@@ -239,6 +248,7 @@ config NFTL_RW
config INFTL
tristate "INFTL (Inverse NAND Flash Translation Layer) support"
depends on MTD && BLOCK
+ select MTD_BLKDEVS
---help---
This provides support for the Inverse NAND Flash Translation
Layer which is used on M-Systems' newer DiskOnChip devices. It
@@ -256,6 +266,7 @@ config INFTL
config RFD_FTL
tristate "Resident Flash Disk (Flash Translation Layer) support"
depends on MTD && BLOCK
+ select MTD_BLKDEVS
---help---
This provides support for the flash translation layer known
as the Resident Flash Disk (RFD), as used by the Embedded BIOS
@@ -265,8 +276,8 @@ config RFD_FTL
config SSFDC
tristate "NAND SSFDC (SmartMedia) read only translation layer"
- depends on MTD
- default n
+ depends on MTD && BLOCK
+ select MTD_BLKDEVS
help
This enables read only access to SmartMedia formatted NAND
flash. You can mount it with FAT file system.