NUM_OF_RTW89_REGD_FUNC
DECLARE_BITMAP(func_bitmap, NUM_OF_RTW89_REGD_FUNC);
BUILD_BUG_ON(sizeof(fmap) * 8 < NUM_OF_RTW89_REGD_FUNC);
for (i = 0; i < NUM_OF_RTW89_REGD_FUNC; i++) {
static_assert(BITS_PER_TYPE(unsigned long) >= NUM_OF_RTW89_REGD_FUNC);