Re: [RFC] ARM: omap3: Enable HWMODS for HW Random Number Generator

From: Tony Lindgren
Date: Mon Sep 09 2019 - 12:35:49 EST


* Pali RohÃr <pali.rohar@xxxxxxxxx> [190909 13:41]:
> On Monday 09 September 2019 08:37:09 Adam Ford wrote:
> > I applied this on 5.3 and it is working. I assume the same is true in for-next.

Hmm I noticed I stopped getting RNG data after several rmmod modprobe
cycles, or several hd /dev/random reads. Anybody else seeing that?

> > Do you want to submit a formal patch? I can mark it as 'tested-by'
> > This really helps speed up the startup sequence on boards with sshd
> > because it delays for nearly 80 seconds waiting for entropy without
> > the hwrng.
>
> Hi! When applying a patch, could you please disable this rng for n900?
>
> In omap3-n900.dts for rng should be status = "disabled" (as Tony already
> wrote), similarly like for aes.

Yeah I'll post a proper patch after -rc1.

Regards,

Tony