On Mon Dec 2, 2024 at 11:40 AM CET, Marcin Juszkiewicz wrote: > W dniu 2.12.2024 o 04:55, Dragan Simic pisze: > > On 2024-12-02 00:46, Peter Robinson wrote: > >> The rk356x rng is available on both the rk3566 and rk3568 > >> parts, the IP is all self contained within the SoCs so > >> it's enabled already by default on rk3568 so let's enable > >> it in the base rk356x.dtsi so it's enabled consistently > >> everywhere. > > > > Please, go through the mailing list threads [1][2] that have led us > > to the current state. To sum it up, it isn't about what's supported > > in the two RK356x SoC variants, but about the RK3566's HWRNG being > > disabled because the testing showed that it produces unacceptably > > low quality of random data, for some yet unknown reason. > > So maybe there should be a comment in rockchip/rk3568.dtsi so we would > not get back to it again. I suggested to put that in the (original) commit message: https://lore.kernel.org/linux-rockchip/6690040.iosknibmi9@bagend/ precisely because this was quite predictable to happen. So a +1 on a comment in the dtsi with a link to the discussion in the commit message.
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