bch_init
cascade->bch = bch_init(DOC_ECC_BCH_M, DOC_ECC_BCH_T,
engine_conf->bch = bch_init(m, t, 0, false);
anand->bch = bch_init(bch_gf_mag, ecc->strength, bch_prim_poly, true);
struct bch_control *bch_init(int m, int t, unsigned int prim_poly,
EXPORT_SYMBOL_GPL(bch_init);