1562 	if (!IS_ACCEPTING_CMD(ar) || !ar->rng.initialized)  in carl9170_rng_get()
1565 	count = ARRAY_SIZE(ar->rng.cache);  in carl9170_rng_get()
1575 			ar->rng.cache[off + i] = buf[i];  in carl9170_rng_get()
1581 	ar->rng.cache_idx = 0;  in carl9170_rng_get()
1588 static int carl9170_rng_read(struct hwrng *rng, u32 *data)  in carl9170_rng_read()  argument
1590 	struct ar9170 *ar = (struct ar9170 *)rng->priv;  in carl9170_rng_read()
1594 	if (ar->rng.cache_idx >= ARRAY_SIZE(ar->rng.cache)) {  in carl9170_rng_read()
1602 	*data = ar->rng.cache[ar->rng.cache_idx++];  in carl9170_rng_read()
1610 	if (ar->rng.initialized) {  in carl9170_unregister_hwrng()
1611 		hwrng_unregister(&ar->rng.rng);  in carl9170_unregister_hwrng()
1612 		ar->rng.initialized = false;  in carl9170_unregister_hwrng()
1620 	snprintf(ar->rng.name, ARRAY_SIZE(ar->rng.name),  in carl9170_register_hwrng()
1622 	ar->rng.rng.name = ar->rng.name;  in carl9170_register_hwrng()
1623 	ar->rng.rng.data_read = carl9170_rng_read;  in carl9170_register_hwrng()
1624 	ar->rng.rng.priv = (unsigned long)ar;  in carl9170_register_hwrng()
1626 	if (WARN_ON(ar->rng.initialized))  in carl9170_register_hwrng()
1629 	err = hwrng_register(&ar->rng.rng);  in carl9170_register_hwrng()
1636 	ar->rng.initialized = true;  in carl9170_register_hwrng()