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Subject: Re: [PATCH] hwrng: bcm2835: set quality to 1000
From:   Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To:     Florian Fainelli <f.fainelli@gmail.com>
Cc:     =?ISO-8859-1?Q?=C1lvaro_Fern=E1ndez?= Rojas <noltari@gmail.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Andrew Lunn <andrew@lunn.ch>, Matt Mackall <mpm@selenic.com>,
        Ray Jui <rjui@broadcom.com>,
        Scott Branden <sbranden@broadcom.com>,
        bcm-kernel-feedback-list@broadcom.com,
        Rikard Falkeborn <rikard.falkeborn@gmail.com>,
        linux-crypto@vger.kernel.org, linux-rpi-kernel@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        stijn@linux-ipv6.be, ynezz@true.cz
Date:   Thu, 04 Mar 2021 16:11:50 +0100
In-Reply-To: <66AED5A4-3227-47CA-A4A2-B5AD6A571AAC@gmail.com>
References: <20210220174741.23665-1-noltari@gmail.com>
         <YDFeao/bOxvoXI9D@lunn.ch> <9b86c773-7153-1e18-472a-f66b01c83173@gmail.com>
         <20210303092019.GB8134@gondor.apana.org.au>
         <66AED5A4-3227-47CA-A4A2-B5AD6A571AAC@gmail.com>
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On Wed, 2021-03-03 at 10:29 +0100, =C3=81lvaro Fern=C3=A1ndez Rojas wrote:
> Hi Herbert,
>=20
> > El 3 mar 2021, a las 10:20, Herbert Xu <herbert@gondor.apana.org.au> es=
cribi=C3=B3:
> >=20
> > On Sat, Feb 20, 2021 at 08:12:45PM +0100, =C3=81lvaro Fern=C3=A1ndez Ro=
jas wrote:
> > >=20
> > > I ran rngtest and this is what I got:
> >=20
> > This is meaningless except for sources that have not been whitened.
> >=20
> > Your justification needs to be based on what the hardware does or
> > is documented to do.
>=20
> Ok, so I guess that we=E2=80=99re never setting that value to anything si=
nce there=E2=80=99s
> no public documentation about that =C2=AF\_(=E3=83=84)_/=C2=AF.

@Florian, is there a way you might be able to get the official value?

Regards,
Nicolas


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