Re: [PATCH v4 0/5] arm64: qcom: sm8x50: enable RNG

From: Vinod Koul
Date: Wed Oct 04 2023 - 03:13:48 EST


On 03-10-23, 09:10, Neil Armstrong wrote:
> Enable RNG on SM8550 & SM8450 by reverting the PRNG bindings & DT
> for SM8450 and correctly document it as a True Random Number Generator.
>
> - SM8550 QRD test run:
>
> smccc_trng qcom_hwrng
>
> qcom_hwrng
>
> rngtest 6.15
> 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: 209420032
> rngtest: FIPS 140-2 successes: 10461
> rngtest: FIPS 140-2 failures: 10
> rngtest: FIPS 140-2(2001-10-10) Monobit: 1
> rngtest: FIPS 140-2(2001-10-10) Poker: 2
> rngtest: FIPS 140-2(2001-10-10) Runs: 3
> rngtest: FIPS 140-2(2001-10-10) Long run: 4
> rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
> rngtest: input channel speed: (min=9.219; avg=63.879; max=19073.486)Mibits/s
> rngtest: FIPS tests speed: (min=24.965; avg=29.093; max=118.469)Mibits/s
> rngtest: Program run time: 10002827 microseconds
>
> - SM8450 HDK test run:
>
> qcom_hwrng
>
> rngtest 6.15
> 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: 420580032
> rngtest: FIPS 140-2 successes: 21014
> rngtest: FIPS 140-2 failures: 15
> rngtest: FIPS 140-2(2001-10-10) Monobit: 2
> rngtest: FIPS 140-2(2001-10-10) Poker: 0
> rngtest: FIPS 140-2(2001-10-10) Runs: 7
> rngtest: FIPS 140-2(2001-10-10) Long run: 6
> rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
> rngtest: input channel speed: (min=15.711; avg=50.033; max=32.493)Mibits/s
> rngtest: FIPS tests speed: (min=136.239; avg=203.833; max=227.065)Mibits/s
> rngtest: Program run time: 10000978 microseconds

Acked-by: Vinod Koul <vkoul@xxxxxxxxxx>

--
~Vinod