GF_M
if (k != (1u << GF_M(bch)))
const int m = GF_M(bch);
const unsigned int m = GF_M(bch);
v = (v & n) + (v >> GF_M(bch));
const int m = GF_M(bch);
const int m = GF_M(bch);
const int m = GF_M(bch);
#define BCH_ECC_WORDS(_p) DIV_ROUND_UP(GF_M(_p)*GF_T(_p), 32)
if (poly->deg && (k <= GF_M(bch))) {
#define BCH_ECC_BYTES(_p) DIV_ROUND_UP(GF_M(_p)*GF_T(_p), 8)