[MTD] add MTD_BLKDEVS Kconfig option

Add a MTD_BLKDEVS Kconfig option to cleanup the makefile a bit

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Artem Bityutskiy <dedekind@infradead.org>

diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index 291660abe3a6802bda098f847974bae66873e26b..26f75c29944017e53bb42ca7316d64550a993e65 100644 (file)
--- 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
@@ -266,6 +277,7 @@ config RFD_FTL
 config SSFDC
        tristate "NAND SSFDC (SmartMedia) read only translation layer"
        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.

diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile
index 1e36b9aed98b1304f7854f6c533ed3704520da82..c130e6261adfe6a02c1eab2409963f61900d5e03 100644 (file)
--- a/drivers/mtd/Makefile
+++ b/drivers/mtd/Makefile
@@ -15,13 +15,14 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
 
 # 'Users' - code which presents functionality to userspace.
 obj-$(CONFIG_MTD_CHAR)         += mtdchar.o
-obj-$(CONFIG_MTD_BLOCK)                += mtdblock.o mtd_blkdevs.o
-obj-$(CONFIG_MTD_BLOCK_RO)     += mtdblock_ro.o mtd_blkdevs.o
-obj-$(CONFIG_FTL)              += ftl.o mtd_blkdevs.o
-obj-$(CONFIG_NFTL)             += nftl.o mtd_blkdevs.o
-obj-$(CONFIG_INFTL)            += inftl.o mtd_blkdevs.o
-obj-$(CONFIG_RFD_FTL)          += rfd_ftl.o mtd_blkdevs.o
-obj-$(CONFIG_SSFDC)            += ssfdc.o mtd_blkdevs.o
+obj-$(CONFIG_MTD_BLKDEVS)      += mtd_blkdevs.o
+obj-$(CONFIG_MTD_BLOCK)                += mtdblock.o
+obj-$(CONFIG_MTD_BLOCK_RO)     += mtdblock_ro.o
+obj-$(CONFIG_FTL)              += ftl.o
+obj-$(CONFIG_NFTL)             += nftl.o
+obj-$(CONFIG_INFTL)            += inftl.o
+obj-$(CONFIG_RFD_FTL)          += rfd_ftl.o
+obj-$(CONFIG_SSFDC)            += ssfdc.o
 
 nftl-objs              := nftlcore.o nftlmount.o
 inftl-objs             := inftlcore.o inftlmount.o