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[23.128.96.18]) by mx.google.com with ESMTP id f8si11132008edr.154.2021.06.14.02.33.16; Mon, 14 Jun 2021 02:33:39 -0700 (PDT) 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232693AbhFNJbb (ORCPT + 99 others); Mon, 14 Jun 2021 05:31:31 -0400 Received: from mout.kundenserver.de ([212.227.17.10]:48155 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232528AbhFNJbb (ORCPT ); Mon, 14 Jun 2021 05:31:31 -0400 Received: from [192.168.1.155] ([95.115.71.85]) by mrelayeu.kundenserver.de (mreue109 [212.227.15.183]) with ESMTPSA (Nemesis) id 1MWiYo-1lqaDm37MW-00X1fI; Mon, 14 Jun 2021 11:29:18 +0200 Subject: Re: [PATCH V3 1/3] gpio: Add virtio-gpio driver To: Viresh Kumar Cc: Geert Uytterhoeven , Linus Walleij , Bjorn Andersson , Bartosz Golaszewski , "Enrico Weigelt, metux IT consult" , Viresh Kumar , "Michael S. Tsirkin" , Jason Wang , Vincent Guittot , Bill Mills , =?UTF-8?Q?Alex_Benn=c3=a9e?= , stratos-dev@op-lists.linaro.org, "open list:GPIO SUBSYSTEM" , linux-kernel , Stefan Hajnoczi , "Stefano Garzarella --cc virtualization @ lists . linux-foundation . org" , virtualization@lists.linux-foundation.org, Alistair Strachan References: <10442926ae8a65f716bfc23f32339a6b35e51d5a.1623326176.git.viresh.kumar@linaro.org> <20210611035623.z4f2ynumzozigqnv@vireshk-i7> <20210611080122.tlkidv6bowuka6fw@vireshk-i7> <0478822f-9d10-deb8-86ae-3b4ac3bb0c6c@metux.net> <20210614091218.mj5hdx4xhy4vho5x@vireshk-i7> From: "Enrico Weigelt, metux IT consult" Message-ID: Date: Mon, 14 Jun 2021 11:29:14 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210614091218.mj5hdx4xhy4vho5x@vireshk-i7> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: tl Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:MqV3Z2CyoWMK6/vzPEuCWPVb1Ozuwu6FCqfnYZ4TbTh2IYwSa61 txmFcsxKD8LDGc8bhre8U2Fn5xyZ2TfSE5ywX6l96uol/MhqgVPmu5fP/wFaJrrhvZAWQlK 1MyP7jSt4JIEd2/c/C6YiLeaR5GNP5LRukB4FFUwK2S13gtRfwKwlkpHuaSLlNmNJ/X0ZSm NmBUf7N1FfjCu+vEsaSfg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:t7VQLhZbY88=:CzAWpyZgqYmgRnvUC7ng9r b+X53sr3TpZmKIOXB7l+7jmwWnM4tAPlD3HbBpsAeIknEIAeDa7rHQVVS/JNWumy2qyoLqOjp dggY9QxeuOrj3akonjiaFxbclLZc7OuJr/rrA+OE6eUDR3NRI/MApQ0qc1z5jAgJIve8d1Hy3 9R/eGtNUd/QwU+qwWvEHnOjXgjuxzsA45cSjYIuX/DFW5qYKt7r3iJSc0numt/nnvtpNjJ4Bv 3csyY7ZvFl7o9wk/sRmp01/sZEz8ZLNBB9oesSzzT9I+kkHWCFCwI+5Bx+QWXZASov7PmLytg EOjt7fi+LnZfbQey9u462qEVKBY0lwPX+1xiLU2Ux1qa5/nqvgadEcWDGx7ZZk4sfu8ng4WiW lwgQNtYxRElvY99HzbFoi+7ovf5dYAV2pYgYqyYJmOAQTcfF8IH+64Fgb/I9ujzs6RR+9LnbM tH87z5Dj2QecoAxkROX7Jz782hucJT7X05AyPeogenXMUU0FiZChhVanE0jcdFf4qvHeoO5dF W2rXxt6cAcBrKjEuSLeA49m3yoox5aBULM7qnnntCWA6fPT/f9zaxmEhvoi9mb4Cx5IsY4mQS d3H0pice8sNbX9dyqCv3td+rtEAFEulyN2 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14.06.21 11:12, Viresh Kumar wrote: >> Note that this is completely different from my approach that I've posted >> in autumn last year. Viresh's protocol hasn't much in common with mine. > > The protocol hasn't changed in a sense on how it can be used. Sorry, but that's not correct. It's an entirely different protocol, entirely different signal flow, different data structures, different queue layout, ... in no way compatible. The only thing they've got in common is they're both do gpios via virtio. --mtx -- --- Hinweis: unverschlüsselte E-Mails können leicht abgehört und manipuliert werden ! Für eine vertrauliche Kommunikation senden Sie bitte ihren GPG/PGP-Schlüssel zu. --- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287