From: Boris Brezillon <boris.brezillon@free-electrons.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: LABBE Corentin <clabbe.montjoie@gmail.com>,
robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com,
ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
maxime.ripard@free-electrons.com, linux@arm.linux.org.uk,
davem@davemloft.net, akpm@linux-foundation.org,
gregkh@linuxfoundation.org, mchehab@osg.samsung.com,
joe@perches.com, tj@kernel.org, arnd@arndb.de,
devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
linux-sunxi@googlegroups.com
Subject: Re: [PATCH v9 4/4] crypto: Add Allwinner Security System crypto accelerator
Date: Sun, 17 May 2015 12:48:11 +0200 [thread overview]
Message-ID: <20150517124811.797fab32@bbrezillon> (raw)
In-Reply-To: <20150517103440.GA7800@gondor.apana.org.au>
Hi Herbert,
On Sun, 17 May 2015 18:34:40 +0800
Herbert Xu <herbert@gondor.apana.org.au> wrote:
> On Sun, May 17, 2015 at 10:45:08AM +0200, Boris Brezillon wrote:
> >
> > From my POV this is not asynchronous at all (see my comments inline),
> > but maybe Herbert can confirm that.
>
> Well we don't actually require drivers to be asynchronous. It is
> obviously the preferred method but some hardware may not be capable
> of that.
Yep, but then they shouldn't be declared with CRYPTO_ALG_ASYNC and as an
ablkcipher algorithm (*Asynchronous* Block Cipher), right ?
Regarding the capabilities of this crypto engine, from what I've seen,
it is definitely capable of doing asynchronous requests ;-).
Best Regards,
Boris
--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
next prev parent reply other threads:[~2015-05-17 10:48 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-14 12:58 [PATCH v9] crypto: Add Allwinner Security System crypto accelerator LABBE Corentin
2015-05-14 12:58 ` [PATCH v9 1/4] ARM: sun7i: dt: Add Security System to A20 SoC DTS LABBE Corentin
2015-05-15 7:31 ` Maxime Ripard
2015-05-23 12:08 ` Corentin LABBE
2015-05-14 12:58 ` [PATCH v9 2/4] ARM: sun4i: dt: Add DT bindings documentation for SUN4I Security System LABBE Corentin
2015-05-14 12:59 ` [PATCH v9 3/4] MAINTAINERS: Add myself as maintainer of Allwinner " LABBE Corentin
2015-05-14 12:59 ` [PATCH v9 4/4] crypto: Add Allwinner Security System crypto accelerator LABBE Corentin
2015-05-15 6:49 ` Herbert Xu
2015-05-23 12:18 ` [linux-sunxi] " Corentin LABBE
2015-05-24 3:30 ` Herbert Xu
2015-05-15 6:52 ` Herbert Xu
2015-05-16 18:09 ` [linux-sunxi] " Corentin LABBE
2015-05-17 1:32 ` Herbert Xu
2015-05-17 8:45 ` Boris Brezillon
2015-05-17 10:34 ` Herbert Xu
2015-05-17 10:48 ` Boris Brezillon [this message]
2015-05-18 0:41 ` Herbert Xu
2015-05-18 7:24 ` Boris Brezillon
2015-05-18 8:33 ` Herbert Xu
2015-05-23 13:12 ` Corentin LABBE
2015-05-23 14:35 ` Boris Brezillon
2015-05-24 3:32 ` Herbert Xu
2015-05-24 8:04 ` [linux-sunxi] " Corentin LABBE
2015-05-24 8:12 ` Herbert Xu
2015-06-03 19:06 ` Corentin LABBE
2015-05-17 7:45 ` [PATCH v9] " Boris Brezillon
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