CONFIG_MTD_NAND_ECC (not configurable)

modulename: nand_ecc.ko

configname: CONFIG_MTD_NAND_ECC

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Technology Device (MTD) support
└─>NAND
└─>ECC engine support
└─>MTD_NAND_ECC
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  

depends
CONFIG_MTD

is depended by
CONFIG_MTD_NAND