From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 35EEA40D for ; Mon, 20 Jul 2015 20:34:09 +0000 (UTC) Received: from mail-ig0-f175.google.com (mail-ig0-f175.google.com [209.85.213.175]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 6D88779 for ; Mon, 20 Jul 2015 20:34:06 +0000 (UTC) Received: by igbpg9 with SMTP id pg9so90433960igb.0 for ; Mon, 20 Jul 2015 13:34:06 -0700 (PDT) Received: from deathstar (173-22-240-187.client.mchsi.com. [173.22.240.187]) by smtp.gmail.com with ESMTPSA id lr1sm5918455igb.10.2015.07.20.13.34.05 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 20 Jul 2015 13:34:05 -0700 (PDT) Sender: Michael Welling Date: Mon, 20 Jul 2015 15:33:58 -0500 From: Michael Welling To: ksummit-discuss@lists.linuxfoundation.org Message-ID: <20150720203358.GA9205@deathstar> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: [Ksummit-discuss] [TECH TOPIC] GPIO API/ABI discussion List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , I propose that there be a discussion as to the future direction of the GPIO userspace interface. Here are some topics in need of discussion: - The continued use of the sysfs interface and possible enhancements or restructuring. - The possibility of a char interface and its implications. - The introduction of gpio groups to userspace. Here are some links to various discussions on the mailing list: https://lwn.net/Articles/533632/ https://lwn.net/Articles/651500/ https://lkml.org/lkml/2015/1/5/496 https://www.mail-archive.com/linux-gpio@vger.kernel.org/msg06185.html