Re: [PATCH v3 2/3] hwrng: add Rockchip SoC hwrng driver

[Dragan Simic]

Hello Krzysztof,

On 2024-06-22 20:05, Krzysztof Kozlowski wrote:
> On 21/06/2024 20:13, Dragan Simic wrote:
> > On 2024-06-21 11:57, Krzysztof Kozlowski wrote:
> > > On 21/06/2024 03:25, Daniel Golle wrote:
> > > > From: Aurelien Jarno <aurelien@xxxxxxxxxxx>
> >
> > [snip]
> >
> > > > +	pm_runtime_set_autosuspend_delay(dev, RK_RNG_AUTOSUSPEND_DELAY);
> > > > +	pm_runtime_use_autosuspend(dev);
> > > > +	pm_runtime_enable(dev);
> > > > +
> > > > +	ret = devm_hwrng_register(dev, &rk_rng->rng);
> > > > +	if (ret)
> > > > +		return dev_err_probe(&pdev->dev, ret, "Failed to register 
> > > > Rockchip
> > > > hwrng\n");
> > > > +
> > > > +	dev_info(&pdev->dev, "Registered Rockchip hwrng\n");
> > >
> > > Drop, driver should be silent on success.
> >
> > I respectfully disagree.  Many drivers print a single line upon
> > successful probing, which I find very useful.  In this particular
>
> No, it's duplicating existing interfaces and polluting log 
> unnecessarily
> without any useful information.

Would you, please, clarify what existing interfaces are you
referring to?

> > case, it's even more useful, because some people may be concerned
> > about the use of hardware TRNGs, so we should actually make sure
> > to announce it.