25.11.2024 20:12, Neil Armstrong wrote:
On recent Qualcomm SoCs, the hardware random generator
is initialized and handled by the firmware because shared
between different Execution Environments (EE), thus the
initialization step should be skipped.
Also support the newer "TRNG" found on SM8550 and newer
SoCs that has inbuilt NIST SP800 90B compliant entropic source.
Signed-off-by: Neil Armstrong <neil.armstr...@linaro.org>
---
drivers/rng/msm_rng.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
I've tried this patch on my sdm660 device (which is using
qcom,prng-ee) and it seems to work fine. I now see in Linux dmesg:
[ 0.000000] KASLR enabled
Without this patch it was:
[ 0.000000] KASLR disabled due to lack of seed
Tested-by: Alexey Minnekhanov <alexey...@postmarketos.org>
