On 7/19/2017 10:45 AM, Oleksij Rempel wrote:
> According documentation, it is NIST certified TRNG.
> So, set high quality to let the HWRNG framework automatically use it.
>
> Signed-off-by: Oleksij Rempel <o.rem...@pengutronix.de>
> ---
> drivers/crypto/caam/caamrng.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c
> index 41398da3edf4..684c0bc88dfd 100644
> --- a/drivers/crypto/caam/caamrng.c
> +++ b/drivers/crypto/caam/caamrng.c
> @@ -292,10 +292,16 @@ static int caam_init_rng(struct caam_rng_ctx *ctx,
> struct device *jrdev)
> return 0;
> }
>
> +/*
> + * hwrng register struct
> + * The trng is suppost to have 100% entropy, and thus
> + * we register with a very high quality value.
> + */
> static struct hwrng caam_rng = {
> .name = "rng-caam",
> .cleanup = caam_cleanup,
> .read = caam_read,
> + .quality = 999,
Why not 1024, i.e. where is 999 coming from?
Thanks,
Horia
