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From: boris.brezillon@free-electrons.com (Boris Brezillon)
To: linux-arm-kernel@lists.infradead.org
Subject: [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

  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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