Re: [PATCH v3 0/4] Raspberry Pi 4 HWRNG Support

Stefan Wahren
2019-11-20T16:17:17Z

Hi Stephen,

Am 20.11.19 um 04:16 schrieb Stephen Brennan:
> This patch series enables support for the HWRNG included on the Raspberry
> Pi 4. It is simply a rebase of Stefan's branch [1]. I went ahead and
> tested this out on a Pi 4. Prior to this patch series, attempting to use
> the hwrng gives:
>
> $ head -c 2 /dev/hwrng
> head: /dev/hwrng: Input/output error
>
> After this series, the same command gives two random bytes.

just a note: a more expressive test would be running rngtest (package
rng-tools) on this device.

Regards
Stefan