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mtd: nand: split out ECC module

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This way drivers could use ecc routines without depedency on whole nand

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Maxim Levitsky 2010-03-19 17:22:54 +02:00 committed by David Woodhouse
parent ca7081d96e
commit e5f710cfc6
3 changed files with 16 additions and 9 deletions
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3
drivers/mtd/Kconfig
View File

@ -307,8 +307,9 @@ config SSFDC
config SM_FTL
tristate "SmartMedia/xD new translation layer"
depends on EXPERIMENTAL && BLOCK && MTD_NAND
depends on EXPERIMENTAL && BLOCK
select MTD_BLKDEVS
select MTD_NAND_ECC
help
This enables new and very EXPERMENTAL support for SmartMedia/xD
FTL (Flash translation layer).

19
drivers/mtd/nand/Kconfig
View File

@ -2,11 +2,23 @@ menuconfig MTD_NAND
tristate "NAND Device Support"
depends on MTD
select MTD_NAND_IDS
select MTD_NAND_ECC
help
This enables support for accessing all type of NAND flash
devices. For further information see
<http://www.linux-mtd.infradead.org/doc/nand.html>.
config MTD_NAND_ECC
tristate
config MTD_NAND_ECC_SMC
bool "NAND ECC Smart Media byte order"
depends on MTD_NAND_ECC
default n
help
Software ECC according to the Smart Media Specification.
The original Linux implementation had byte 0 and 1 swapped.
if MTD_NAND
config MTD_NAND_VERIFY_WRITE
@ -18,13 +30,6 @@ config MTD_NAND_VERIFY_WRITE
device thinks the write was successful, a bit could have been
flipped accidentally due to device wear or something else.
config MTD_NAND_ECC_SMC
bool "NAND ECC Smart Media byte order"
default n
help
Software ECC according to the Smart Media Specification.
The original Linux implementation had byte 0 and 1 swapped.
config MTD_SM_COMMON
tristate
default n

3
drivers/mtd/nand/Makefile
View File

@ -2,7 +2,8 @@
# linux/drivers/nand/Makefile
#
obj-$(CONFIG_MTD_NAND) += nand.o nand_ecc.o
obj-$(CONFIG_MTD_NAND) += nand.o
obj-$(CONFIG_MTD_NAND_ECC) += nand_ecc.o
obj-$(CONFIG_MTD_NAND_IDS) += nand_ids.o
obj-$(CONFIG_MTD_SM_COMMON) += sm_common.o