From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932285AbbFQPJF (ORCPT ); Wed, 17 Jun 2015 11:09:05 -0400 Received: from helcar.hengli.com.au ([209.40.204.226]:54117 "EHLO helcar.hengli.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756534AbbFQPIn (ORCPT ); Wed, 17 Jun 2015 11:08:43 -0400 Date: Wed, 17 Jun 2015 23:08:08 +0800 From: Herbert Xu To: Boris Brezillon Cc: "David S. Miller" , linux-crypto@vger.kernel.org, Arnaud Ebalard , Tawfik Bayouk , Lior Amsalem , Nadav Haklai , Eran Ben-Avi , Thomas Petazzoni , Gregory CLEMENT , Jason Cooper , Sebastian Hesselbarth , Andrew Lunn , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jason Gunthorpe , Imre Kaloz Subject: Re: [PATCH v7 05/14] crypto: marvell/CESA: add TDMA support Message-ID: <20150617150808.GA14915@gondor.apana.org.au> References: <20150617122533.GA13185@gondor.apana.org.au> <1434547922-10363-1-git-send-email-boris.brezillon@free-electrons.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1434547922-10363-1-git-send-email-boris.brezillon@free-electrons.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 17, 2015 at 03:32:02PM +0200, Boris Brezillon wrote: > > Hi Herbert, > > I send you this patch alone so that you can verify I'm now properly > manipulating the SG list. Once I have your confirmation I'll send > the whole series again and annoy all the people in Cc one more time > ;-). Thanks. The only problem that I can see is the fact you're not checking for req->src == req->dst. If they're equal then you must not map it twice. Instead it should be mapped as DMA_BIDIRECTIONAL. Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt From mboxrd@z Thu Jan 1 00:00:00 1970 From: herbert@gondor.apana.org.au (Herbert Xu) Date: Wed, 17 Jun 2015 23:08:08 +0800 Subject: [PATCH v7 05/14] crypto: marvell/CESA: add TDMA support In-Reply-To: <1434547922-10363-1-git-send-email-boris.brezillon@free-electrons.com> References: <20150617122533.GA13185@gondor.apana.org.au> <1434547922-10363-1-git-send-email-boris.brezillon@free-electrons.com> Message-ID: <20150617150808.GA14915@gondor.apana.org.au> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Jun 17, 2015 at 03:32:02PM +0200, Boris Brezillon wrote: > > Hi Herbert, > > I send you this patch alone so that you can verify I'm now properly > manipulating the SG list. Once I have your confirmation I'll send > the whole series again and annoy all the people in Cc one more time > ;-). Thanks. The only problem that I can see is the fact you're not checking for req->src == req->dst. If they're equal then you must not map it twice. Instead it should be mapped as DMA_BIDIRECTIONAL. Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt