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SubjectRe: [PATCH v2] hwrng: iproc: set quality to 1024
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Looks ok to me.

On 2021-02-20 12:01 p.m., Álvaro Fernández Rojas wrote:
> This allows khwrngd to make use of iproc-rng200.
>
> Justification:
> cat /dev/hwrng | rngtest -c 1000
> rngtest 6.10
> Copyright (c) 2004 by Henrique de Moraes Holschuh
> This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>
> rngtest: starting FIPS tests...
> rngtest: bits received from input: 20000032
> rngtest: FIPS 140-2 successes: 1000
> rngtest: FIPS 140-2 failures: 0
> rngtest: FIPS 140-2(2001-10-10) Monobit: 0
> rngtest: FIPS 140-2(2001-10-10) Poker: 0
> rngtest: FIPS 140-2(2001-10-10) Runs: 0
> rngtest: FIPS 140-2(2001-10-10) Long run: 0
> rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
> rngtest: input channel speed: (min=107.179; avg=200.770; max=9765625.000)Kibits/s
> rngtest: FIPS tests speed: (min=34.742; avg=39.905; max=66.458)Mibits/s
> rngtest: Program run time: 97829648 microseconds
>
> 1000 successes and 0 failures -> 100% success rate
>
> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Acked-by: Scott Branden <scott.branden@broadcom.com>
> ---
> v2: set quality to 1024 and add justification
>
> drivers/char/hw_random/iproc-rng200.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/char/hw_random/iproc-rng200.c b/drivers/char/hw_random/iproc-rng200.c
> index 01583faf9893..d22406528ac5 100644
> --- a/drivers/char/hw_random/iproc-rng200.c
> +++ b/drivers/char/hw_random/iproc-rng200.c
> @@ -199,6 +199,7 @@ static int iproc_rng200_probe(struct platform_device *pdev)
> priv->rng.read = iproc_rng200_read;
> priv->rng.init = iproc_rng200_init;
> priv->rng.cleanup = iproc_rng200_cleanup;
> + priv->rng.quality = 1024;
>
> /* Register driver */
> ret = devm_hwrng_register(dev, &priv->rng);
>

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