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[209.132.180.67]) by mx.google.com with ESMTP id j62si318452pge.747.2018.03.19.18.05.14; Mon, 19 Mar 2018 18:05:28 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1032151AbeCSSky (ORCPT + 99 others); Mon, 19 Mar 2018 14:40:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:36622 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966869AbeCSSkr (ORCPT ); Mon, 19 Mar 2018 14:40:47 -0400 Received: from mail-qt0-f171.google.com (mail-qt0-f171.google.com [209.85.216.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6F903217D6; Mon, 19 Mar 2018 18:40:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6F903217D6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=atull@kernel.org Received: by mail-qt0-f171.google.com with SMTP id h4so13275965qtn.13; Mon, 19 Mar 2018 11:40:46 -0700 (PDT) X-Gm-Message-State: AElRT7G8NsgQ324JdBVrX+bWm+XqbH3Wj4JPAHEW74fQXi+YklScXO1B z/cv0kGjTBjePapfWCuFKkZg7HCcoroAzPQnqi4= X-Received: by 10.200.22.145 with SMTP id r17mr18919467qtj.190.1521484845577; Mon, 19 Mar 2018 11:40:45 -0700 (PDT) MIME-Version: 1.0 Received: by 10.200.27.18 with HTTP; Mon, 19 Mar 2018 11:40:05 -0700 (PDT) In-Reply-To: <1518513893-4719-21-git-send-email-hao.wu@intel.com> References: <1518513893-4719-1-git-send-email-hao.wu@intel.com> <1518513893-4719-21-git-send-email-hao.wu@intel.com> From: Alan Tull Date: Mon, 19 Mar 2018 13:40:05 -0500 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v4 20/24] fpga: dfl: add FPGA Accelerated Function Unit driver basic framework To: Wu Hao Cc: Moritz Fischer , linux-fpga@vger.kernel.org, linux-kernel , linux-api@vger.kernel.org, "Kang, Luwei" , "Zhang, Yi Z" , Tim Whisonant , Enno Luebbers , Shiva Rao , Christopher Rauer , Xiao Guangrong Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 13, 2018 at 3:24 AM, Wu Hao wrote: Hi Hao, I acked this back in v2. > On DFL FPGA devices, the Accelerated Function Unit (AFU), can be > reprogrammed for different functions. It connects to the FPGA > infrastructure("blue bistream") via a Port. Port CSRs are implemented > separately from the AFU CSRs to provide control and status of the Port. > Once valid green bitstream is programmed into the AFU, it allows access > to the AFU CSRs in the AFU MMIO space. > > This patch only implements basic driver framework for AFU, including > device file operation framework. > > Signed-off-by: Tim Whisonant > Signed-off-by: Enno Luebbers > Signed-off-by: Shiva Rao > Signed-off-by: Christopher Rauer > Signed-off-by: Xiao Guangrong > Signed-off-by: Wu Hao Acked-by: Alan Tull Alan