27  * values must be read out by the CPU byte-by-byte. But once started,
30  * The generation time for byte 0 after starting generation (with BIAS
37  * The generation time for byte N >= 1 after starting generation (with
44  * Due to the first byte in a stream of bytes being more costly on
46  * amortize the cost of the first byte.
58  * of the first byte on nRF52.
176 static int rng_pool_put(struct rng_pool *rngp, uint8_t byte)  in rng_pool_put()  argument
187 	rngp->buffer[last] = byte;  in rng_pool_put()
204 	int byte, ret;  in isr()  local
208 	byte = random_byte_get();  in isr()
209 	if (byte < 0) {  in isr()
213 	ret = rng_pool_put((struct rng_pool *)(entropy_nrf5_data.isr), byte);  in isr()
216 				   byte);  in isr()
286 			int byte;  in entropy_nrf5_get_entropy_isr()  local
293 			byte = random_byte_get();  in entropy_nrf5_get_entropy_isr()
296 			if (byte < 0) {  in entropy_nrf5_get_entropy_isr()
300 			buf[--len] = byte;  in entropy_nrf5_get_entropy_isr()