Man page 9 : __nand_correct_data

__nand_correct_data - [NAND Interface] Detect and correct bit error(s)

int __nand_correct_data(unsigned char *  buf , unsigned char *  read_ecc , unsigned char *  calc_ecc , unsigned int  eccsize );

buf
    raw data read from the chip

read_ecc
    ECC from the chip

calc_ecc
    the ECC calculated from raw data

eccsize
    data bytes per ECC step (256 or 512)

Detect and correct a 1 bit error for eccsize byte block

Thomas Gleixner <>
    Author.