SM8450's PRNG seems to be the same good ol' IP, except without a core clock. For a lack of a better idea on how to test it, /proc/crypto reports that the selftest has gone through.. Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> --- Konrad Dybcio (3): dt-bindings: crypto: qcom,prng: Add SM8450 crypto: qcom-rng: Make the core clock optional regardless of ACPI presence arm64: dts: qcom: sm8450: Add PRNG .../devicetree/bindings/crypto/qcom,prng.yaml | 24 +++++++++++++++++----- arch/arm64/boot/dts/qcom/sm8450.dtsi | 5 +++++ drivers/crypto/qcom-rng.c | 10 +++------ 3 files changed, 27 insertions(+), 12 deletions(-) --- base-commit: 21ef7b1e17d039053edaeaf41142423810572741 change-id: 20230811-topic-8450_prng-6af00873db4d Best regards, -- Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>