[PATCH v9 4/4] crypto: Add Allwinner Security System crypto accelerator
boris.brezillon at free-electrons.com
Sun May 17 03:48:11 PDT 2015
On Sun, 17 May 2015 18:34:40 +0800
Herbert Xu <herbert at 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 ;-).
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
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