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[23.128.96.18]) by mx.google.com with ESMTP id u10si9534927edp.411.2020.11.14.06.32.51; Sat, 14 Nov 2020 06:33:16 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726768AbgKNObV (ORCPT + 99 others); Sat, 14 Nov 2020 09:31:21 -0500 Received: from mga12.intel.com ([192.55.52.136]:16596 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726307AbgKNObU (ORCPT ); Sat, 14 Nov 2020 09:31:20 -0500 IronPort-SDR: qGkj36N2c4Cm2fa//Of5IsATL6FzDPTnsXXmR19STNhGjGZwCl9Dzz2RARy9dwGj/XMwq7yZnL WF6tczc9xVFA== X-IronPort-AV: E=McAfee;i="6000,8403,9804"; a="149850383" X-IronPort-AV: E=Sophos;i="5.77,478,1596524400"; d="scan'208";a="149850383" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2020 06:31:19 -0800 IronPort-SDR: VKXYe8yYrXRimHNtMlYCMY7e8yCiS8OCDIT32NLRh3auO6jyACzDWjVPzO2JguqcKy0KnaYDnV p8TYBAomD8+Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,478,1596524400"; d="scan'208";a="324306438" Received: from marshy.an.intel.com (HELO [10.122.105.143]) ([10.122.105.143]) by orsmga003.jf.intel.com with ESMTP; 14 Nov 2020 06:31:19 -0800 Subject: Re: [PATCHv1 3/4] dt-bindings: fpga: add authenticate-fpga-config property To: Tom Rix , mdf@kernel.org, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Cc: dinguyen@kernel.org, sridhar.rajagopal@intel.com, Richard Gong References: <1605204403-6663-1-git-send-email-richard.gong@linux.intel.com> <1605204403-6663-4-git-send-email-richard.gong@linux.intel.com> <94ccfc8d-ecf9-7782-9044-d3c0cb862118@redhat.com> From: Richard Gong Message-ID: Date: Sat, 14 Nov 2020 08:52:22 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <94ccfc8d-ecf9-7782-9044-d3c0cb862118@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Tom, On 11/13/20 2:28 PM, Tom Rix wrote: > > On 11/12/20 10:06 AM, richard.gong@linux.intel.com wrote: >> From: Richard Gong >> >> Add authenticate-fpga-config property for FPGA bitstream authentication. >> >> Signed-off-by: Richard Gong >> --- >> Documentation/devicetree/bindings/fpga/fpga-region.txt | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/Documentation/devicetree/bindings/fpga/fpga-region.txt b/Documentation/devicetree/bindings/fpga/fpga-region.txt >> index e811cf8..7a512bc 100644 >> --- a/Documentation/devicetree/bindings/fpga/fpga-region.txt >> +++ b/Documentation/devicetree/bindings/fpga/fpga-region.txt >> @@ -187,6 +187,7 @@ Optional properties: >> - external-fpga-config : boolean, set if the FPGA has already been configured >> prior to OS boot up. >> - encrypted-fpga-config : boolean, set if the bitstream is encrypted >> +- authenticate-fpga-config : boolean, set if do bitstream authentication > > The list is mostly in alphabetical order so the new 'authenticate-... ' should go at the top. > The original list is not in alphabetical order. The order of partial-fpga-config, external-fpga-config and encrypted-fpga-config here follows the implementation in the of-fpga-region.c file. So authenticate-fpga-config should follow the way, correct? > Improve what you mean by 'authentication' similar to my comment in the first patch. > Will do in the version 2 submission. Regards, Richard > Tom > >> - region-unfreeze-timeout-us : The maximum time in microseconds to wait for >> bridges to successfully become enabled after the region has been >> programmed. >