Hello Krzysztof, I can confirm that this also works on a Odroid-X2, so I guess it's safe to enable the PRNG for all Exynos4412-based Odroid devices. Any chance that you might also take a look at the other hwcrypto stuff on the SoC ('samsung,exynos4210-secss' compatible)? With best wishes, Tobias Krzysztof Kozlowski wrote: > Hi, > > > The patchset adds necessary clock from Security SubSystem (SSS) > and enables the PRNG module of Exynos for Trats2 board. > > The first patch (clock) is required for other ones so please > take everything in one step. > > The actual Device Tree support (and compatible) was sent in separate > patch: > - https://patchwork.kernel.org/patch/7432891/ > - http://marc.info/?l=linux-crypto-vger&m=144522952725052&w=2 > > The device can be tested (after applying both patchsets) with: > $ echo exynos > /sys/class/misc/hw_random/rng_current > $ dd if=/dev/hwrng of=/dev/null bs=1 count=16 > > > Best regards, > Krzysztof > > Krzysztof Kozlowski (3): > clk: samsung: exynos4: Add SSS gate clock > ARM: dts: Add PRNG module for exynos4 > ARM: dts: Enable PRNG module on exynos4412-trats2 > > arch/arm/boot/dts/exynos4.dtsi | 8 ++++++++ > arch/arm/boot/dts/exynos4412-trats2.dts | 4 ++++ > drivers/clk/samsung/clk-exynos4.c | 1 + > include/dt-bindings/clock/exynos4.h | 1 + > 4 files changed, 14 insertions(+) > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html