1561 	if (!IS_ACCEPTING_CMD(ar) || !ar->rng.initialized)  in carl9170_rng_get()
1564 	count = ARRAY_SIZE(ar->rng.cache);  in carl9170_rng_get()
1574 			ar->rng.cache[off + i] = buf[i];  in carl9170_rng_get()
1580 	ar->rng.cache_idx = 0;  in carl9170_rng_get()
1587 static int carl9170_rng_read(struct hwrng *rng, u32 *data)  in carl9170_rng_read()  argument
1589 	struct ar9170 *ar = (struct ar9170 *)rng->priv;  in carl9170_rng_read()
1593 	if (ar->rng.cache_idx >= ARRAY_SIZE(ar->rng.cache)) {  in carl9170_rng_read()
1601 	*data = ar->rng.cache[ar->rng.cache_idx++];  in carl9170_rng_read()
1609 	if (ar->rng.initialized) {  in carl9170_unregister_hwrng()
1610 		hwrng_unregister(&ar->rng.rng);  in carl9170_unregister_hwrng()
1611 		ar->rng.initialized = false;  in carl9170_unregister_hwrng()
1619 	snprintf(ar->rng.name, ARRAY_SIZE(ar->rng.name),  in carl9170_register_hwrng()
1621 	ar->rng.rng.name = ar->rng.name;  in carl9170_register_hwrng()
1622 	ar->rng.rng.data_read = carl9170_rng_read;  in carl9170_register_hwrng()
1623 	ar->rng.rng.priv = (unsigned long)ar;  in carl9170_register_hwrng()
1625 	if (WARN_ON(ar->rng.initialized))  in carl9170_register_hwrng()
1628 	err = hwrng_register(&ar->rng.rng);  in carl9170_register_hwrng()
1635 	ar->rng.initialized = true;  in carl9170_register_hwrng()