linux-kernel - Re: [PATCH v9 4/4] crypto: Add Allwinner Security System crypto accelerator

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Message-ID: <20150517103440.GA7800@gondor.apana.org.au>
Date:	Sun, 17 May 2015 18:34:40 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Boris Brezillon <boris.brezillon@...e-electrons.com>
Cc:	LABBE Corentin <clabbe.montjoie@...il.com>, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	maxime.ripard@...e-electrons.com, linux@....linux.org.uk,
	davem@...emloft.net, akpm@...ux-foundation.org,
	gregkh@...uxfoundation.org, mchehab@....samsung.com,
	joe@...ches.com, tj@...nel.org, arnd@...db.de,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-crypto@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v9 4/4] crypto: Add Allwinner Security System crypto
 accelerator

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.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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