Re: [PATCH v8 4/8] crypto: caam - simplify RNG implementation

From: Andrey Smirnov
Date: Thu Mar 19 2020 - 09:38:01 EST


On Tue, Mar 17, 2020 at 2:58 PM Horia GeantÄ <horia.geanta@xxxxxxx> wrote:
>
> On 3/16/2020 5:01 PM, Andrey Smirnov wrote:
> > @@ -335,15 +225,18 @@ int caam_rng_init(struct device *ctrldev)
> > if (!devres_open_group(ctrldev, caam_rng_init, GFP_KERNEL))
> > return -ENOMEM;
> >
> > - ctx = devm_kzalloc(ctrldev, sizeof(*ctx), GFP_DMA | GFP_KERNEL);
> > + ctx = devm_kzalloc(ctrldev, sizeof(*ctx), GFP_KERNEL);
> > if (!ctx)
> > return -ENOMEM;
> >
> > + ctx->ctrldev = ctrldev;
> > +
> > ctx->rng.name = "rng-caam";
> > ctx->rng.init = caam_init;
> > ctx->rng.cleanup = caam_cleanup;
> > ctx->rng.read = caam_read;
> > ctx->rng.priv = (unsigned long)ctx;
> > + ctx->rng.quality = 1024;
> >
> Nitpick: setting the quality should be moved to patch
> "crypto: caam - limit single JD RNG output to maximum of 16 bytes"
>

Ugh, looks like I messed this up while making v8. Will fix in v9.

Thanks,
Andrey Smirnov