linux-kernel - Re: [PATCH v2 2/7] crypto: add new driver for Marvell CESA

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Message-ID: <20150507091809.2fb5b22e@bbrezillon>
Date:	Thu, 7 May 2015 09:18:09 +0200
From:	Boris Brezillon <boris.brezillon@...e-electrons.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	"David S. Miller" <davem@...emloft.net>,
	linux-crypto@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
	Tawfik Bayouk <tawfik@...vell.com>,
	Lior Amsalem <alior@...vell.com>,
	Nadav Haklai <nadavh@...vell.com>,
	Eran Ben-Avi <benavi@...vell.com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>,
	Jason Cooper <jason@...edaemon.net>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Andrew Lunn <andrew@...n.ch>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Arnaud Ebalard <arno@...isbad.org>
Subject: Re: [PATCH v2 2/7] crypto: add new driver for Marvell CESA

Hi Herbert,

On Thu, 7 May 2015 11:01:00 +0800
Herbert Xu <herbert@...dor.apana.org.au> wrote:

> On Mon, May 04, 2015 at 02:27:01PM +0200, Boris Brezillon wrote:
> > The existing mv_cesa driver supports some features of the CESA IP but is
> > quite limited, and reworking it to support new features (like involving the
> > TDMA engine to offload the CPU) is almost impossible.
> > This driver has been rewritten from scratch to take those new features into
> > account.
> > 
> > This new driver adds support for:
> > - new armada SoCs (up to 38x) while keeping support for older ones (Orion
> >   and Kirkwood)
> > - DMA mode to offload the CPU in case of intensive crypto usage
> > - new algorithms: SHA256, DES and 3DES
> > 
> > The existing CESA driver is kept around to ease transition to this new
> > driver (take some time to audit the code and/or wait for users feedback).
> > 
> > Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
> > Signed-off-by: Arnaud Ebalard <arno@...isbad.org>
> 
> This patch is too big for the mailing list.  Please provide a
> URL for people to download and review.

Here [1] is a branch containing the patches submitted in this series.
I guess I won't have other choices but to split this patch (as
Sebastian suggested) in my next iteration :-).

Best Regards,

Boris

[1]https://github.com/bbrezillon/linux-marvell/commits/cesa-v2


-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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