Messages in this thread | | | Date | Fri, 6 Jan 2023 09:18:24 +0100 | From | Corentin Labbe <> | Subject | Re: [PATCH v2 2/3] crypto: sun8i-ce - Add TRNG clock to the D1 variant |
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Le Sat, Dec 31, 2022 at 04:01:44PM -0600, Samuel Holland a écrit : > At least the D1 variant requires a separate clock for the TRNG. > Without this clock enabled, reading from /dev/hwrng reports: > > sun8i-ce 3040000.crypto: DMA timeout for TRNG (tm=96) on flow 3 > > Experimentation shows that the necessary clock is the SoC's internal > RC oscillator. This makes sense, as noise from the oscillator can be > used as a source of entropy. > > Signed-off-by: Samuel Holland <samuel@sholland.org> > --- >
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Thanks
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