device thinks the write was successful, a bit could have been
flipped accidentally due to device wear or something else.
+config MTD_NAND_BCH
+ tristate
+ select BCH
+ depends on MTD_NAND_ECC_BCH
+ default MTD_NAND
+
+config MTD_NAND_ECC_BCH
+ bool "Support software BCH ECC"
+ default n
+ help
+ This enables support for software BCH error correction. Binary BCH
+ codes are more powerful and cpu intensive than traditional Hamming
+ ECC codes. They are used with NAND devices requiring more than 1 bit
+ of error correction.
+
config MTD_SM_COMMON
tristate
default n