Re: [PATCH v4 1/6] crypto: caam - RNG4 TRNG errata

[Horia Geanta]

On 11/21/2019 5:56 PM, Andrey Smirnov wrote:
> The TRNG as used in RNG4, used in CAAM has a documentation issue. The
I assume the "erratum" consists in RTMCTL[TRNG_ACC] bit
not being documented, correct?

Is there an ID of the erratum?
Or at least do you know what parts / SoCs have incorrect documentation?

> effect is that it is possible that the entropy used to instantiate the
> DRBG may be old entropy, rather than newly generated entropy. There is
> proper programming guidance, but it is not in the documentation.
> 
Is the "programming guidance" public?

Thanks,
Horia