From: Bean Huo <bean...@micron.com> Signed-off-by: BeanHuo <bean...@micron.com> --- drivers/mtd/ubi/Kconfig | 15 +++++++++++++++ drivers/mtd/ubi/Makefile | 2 +- 2 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/ubi/Kconfig b/drivers/mtd/ubi/Kconfig index f0855ce..d9f01fa 100644 --- a/drivers/mtd/ubi/Kconfig +++ b/drivers/mtd/ubi/Kconfig @@ -77,6 +77,21 @@ config MTD_UBI_FASTMAP If in doubt, say "N". +config MTD_UBI_MLC_NAND_BAKVOL + bool "UBI solution for NAND pair page (Experimental feature)" + default n + help + This used for MLC NAND paired page power-cut protection. + + MLC NAND paired page power loss is a known issue so far. + Namely, MLC NAND pages are coupled in a sense that if you cut + power while writing to a page, you corrupt not only this page, + but also one of the previous pages which is paired with the current + one. More detail information,please refer to follwoing link: + http://www.linux-mtd.infradead.org/doc/ubifs.html + + If in doubt, say "N". + config MTD_UBI_GLUEBI tristate "MTD devices emulation driver (gluebi)" help diff --git a/drivers/mtd/ubi/Makefile b/drivers/mtd/ubi/Makefile index 4e3c3d7..6bd78aa 100644 --- a/drivers/mtd/ubi/Makefile +++ b/drivers/mtd/ubi/Makefile @@ -1,6 +1,6 @@ obj-$(CONFIG_MTD_UBI) += ubi.o -ubi-y += vtbl.o vmt.o upd.o build.o cdev.o kapi.o eba.o io.o wl.o attach.o +ubi-y += vtbl.o vmt.o upd.o build.o cdev.o kapi.o eba.o io.o wl.o attach.o bakvol.o ubi-y += misc.o debug.o ubi-$(CONFIG_MTD_UBI_FASTMAP) += fastmap.o ubi-$(CONFIG_MTD_UBI_BLOCK) += block.o -- 1.9.1