On Tue, Oct 03, 2023 at 09:10:18AM +0200, 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 > > Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> > --- > Changes in v4: > - changed to an enum in first bindings patch to simplify sm8550 change > - integrate Om's patch from (https://lore.kernel.org/all/20230926102005.3277045-1-quic_omprsing@xxxxxxxxxxx) > to simplify maintainer's life > - rebased on next-20230929 > - dropped already applied revert > - Link to v3: https://lore.kernel.org/r/20230828-topic-sm8550-rng-v3-0-7a0678ca7988@xxxxxxxxxx > > Changes in v3: > - Removed invalid character in commit msg > - Added review tags > - Removed applied patch 1 > - Link to v2: https://lore.kernel.org/r/20230824-topic-sm8550-rng-v2-0-dfcafbb16a3e@xxxxxxxxxx > > Changes in v2: > - Revert SM8450 DT & bindings > - Add new qcom,trng compatible and use it for SM8450 & SM8550 > - Explicitly didn't collect the Reviewed-by tags due to the compatible change > - Link to v1: https://lore.kernel.org/r/20230822-topic-sm8550-rng-v1-0-8e10055165d1@xxxxxxxxxx > > --- > Neil Armstrong (4): > dt-bindings: crypto: qcom,prng: document that RNG on SM8450 is a TRNG > dt-bindings: crypto: qcom,prng: document SM8550 > arm64: dts: qcom: sm8550: add TRNG node > arm64: dts: qcom: sm8450: add TRNG node > > Om Prakash Singh (1): > crypto: qcom-rng - Add hw_random interface support > > .../devicetree/bindings/crypto/qcom,prng.yaml | 26 +++++++-- > arch/arm64/boot/dts/qcom/sm8450.dtsi | 5 ++ > arch/arm64/boot/dts/qcom/sm8550.dtsi | 5 ++ > drivers/crypto/qcom-rng.c | 65 +++++++++++++++++++--- > 4 files changed, 89 insertions(+), 12 deletions(-) > --- > base-commit: df964ce9ef9fea10cf131bf6bad8658fde7956f6 > change-id: 20230822-topic-sm8550-rng-c83142783e20 Patches 1-3 applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
