COARSE_DIV_OFFSET
return coarse < COARSE_DIV_OFFSET ||
coarse >= COARSE_DIV_OFFSET + LFSR_TBLSIZE;
return FIELD_PREP(DIV_COARSE, tbl->fwd[coarse - COARSE_DIV_OFFSET]) |
coarse = tbl->inv[FIELD_GET(DIV_COARSE, regval)] + COARSE_DIV_OFFSET;
unsigned long lo = req->best_parent_rate / (COARSE_DIV_OFFSET + LFSR_TBLSIZE) + 1;
unsigned long hi = req->best_parent_rate / COARSE_DIV_OFFSET;