From: Vinod <vkoul@kernel.org>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
Matt Mackall <mpm@selenic.com>, Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH 3/3] hwrng: msm - Add support for prng v2
Date: Wed, 20 Jun 2018 11:02:04 +0530 [thread overview]
Message-ID: <20180620053204.GG13316@vkoul-mobl> (raw)
In-Reply-To: <20180619142853.wgi5easw4zv6ttrb@gondor.apana.org.au>
On 19-06-18, 22:28, Herbert Xu wrote:
> On Mon, Jun 18, 2018 at 07:42:59PM +0530, Vinod Koul wrote:
> > Qcom 8996 and later chips support prng v2 where we need to only
> > implement .read callback for hwrng.
> >
> > Add a new table for v2 which supports this and get version required for
> > driver data.
> >
> > Signed-off-by: Vinod Koul <vkoul@kernel.org>
>
> Is this really a pseudo-RNG? If so it needs to be moved over to
> the algif_rng interface.
>
> hwrng is for true hardware RNGs only, because it may be directly
> fed into /dev/random.
I am trying to find how how much random output this hardware generates.
Meanwhile, can you please point out examples/Documentation for algif_rng
and if any test tools for this?
Thanks
--
~Vinod
next prev parent reply other threads:[~2018-06-20 5:32 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-18 14:12 [PATCH 0/3]: hwrng: Add support for qcpm v2 hwrng Vinod Koul
2018-06-18 14:12 ` [PATCH 1/3] hwrng: msm - Move hwrng to a table Vinod Koul
2018-06-18 15:58 ` Stephen Boyd
2018-06-18 16:54 ` Vinod
2018-06-18 14:12 ` [PATCH 2/3] dt-bindings: rng: Add new compatible qcom,prng-v2 Vinod Koul
2018-06-18 14:12 ` [PATCH 3/3] hwrng: msm - Add support for prng v2 Vinod Koul
2018-06-18 18:21 ` Bjorn Andersson
2018-06-18 20:24 ` Stephen Boyd
2018-06-19 4:06 ` Vinod
2018-06-19 4:04 ` Vinod
2018-06-19 14:28 ` Herbert Xu
2018-06-20 5:32 ` Vinod [this message]
2018-06-20 14:37 ` Herbert Xu
2018-06-20 17:45 ` PrasannaKumar Muralidharan
2018-06-21 4:17 ` Vinod
2018-06-21 9:56 ` Stanimir Varbanov
2018-06-21 10:15 ` Herbert Xu
2018-06-21 11:27 ` Stanimir Varbanov
2018-06-21 11:53 ` Herbert Xu
2018-06-22 8:27 ` Stanimir Varbanov
2018-06-22 14:38 ` Herbert Xu
2018-06-22 14:48 ` Vinod
2018-06-22 14:50 ` Herbert Xu
[not found] ` <70ED61EB-BD3E-48D1-8B4D-D7835494C035@chronox.de>
2018-06-27 5:08 ` Vinod
2018-06-27 6:13 ` Stephan Mueller
2018-06-27 6:27 ` Vinod
2018-06-27 6:43 ` Stephan Mueller
2018-06-27 7:01 ` Vinod
2018-06-27 7:51 ` Stephan Mueller
2018-06-22 15:33 ` Stanimir Varbanov
2018-06-28 22:04 ` Timur Tabi
2018-06-29 8:37 ` Vinod
2018-07-01 6:27 ` Herbert Xu
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