From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DATE_IN_PAST_06_12, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97CB2C4363A for ; Wed, 28 Oct 2020 21:50:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2FF162064C for ; Wed, 28 Oct 2020 21:50:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=axis.com header.i=@axis.com header.b="jHDZVUhY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727948AbgJ1Vtw (ORCPT ); Wed, 28 Oct 2020 17:49:52 -0400 Received: from smtp1.axis.com ([195.60.68.17]:30468 "EHLO smtp1.axis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726189AbgJ1VnJ (ORCPT ); Wed, 28 Oct 2020 17:43:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axis.com; l=804; q=dns/txt; s=axis-central1; t=1603921389; x=1635457389; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=F6MN/uO+nZhEZn8UKCMHeVR40PzJ1awCMAr6r4wsYSE=; b=jHDZVUhYBY1WZi+ToWNvNvuVPcC5sSsnX9AC0BHRUFDBmIf/k+xfBfUa FeKgzIAVBq3a6SJg4hE6gZodq1pplIcg3AcNAxfrPbTuniwrkg1EpPYad rYfhuBG3R9HbDLTwpC1ovXelwUT7cL5JDjyZbHeeKK6o/I7F3hgELvAa8 JwHUsaFq6/+Ug59qZ/hIcDQQToZhJt9RTfd+ZBXHG7O1DtTkQNZ1mDYSr R6rhah4ysZhngR6seXwJtyUPEKOINpf6ZF1Aa9HpPuMoPP+3bBBaCvlnu rXs2fRi8nEGP6eQOl6DS38M/gPs57WtngAxo+okhc4gtevuhWez6Xp90D Q==; IronPort-SDR: cYtzYpRE4ffcb8Wv/hAAgDHdfIenCZI/Rd99GRpa7fEt9SNBvtZPn9EomrIMLP4lvDRqtzdO48 2nonh0SaAEbwLXwSEQBCx4syTGSm/Mj3LpubeBUdx6VUErzEWa9SBZKjmNH6ftp8e2B/t0nd5Y h3Z+46dA8QG3Pt/NJKZunMrXX5lXbof3nCZCwKAiKF7Tw0dXJZYFVCwj/t8kBpPX3diwzo3RmA +Y4e+jSUzH8253YR6UnCOFr4cSpdJlYXye6ZRnG2LxgmYmorXKJsfA3RsXAPo1FigdyG2a1mmC Hto= X-IronPort-AV: E=Sophos;i="5.77,426,1596492000"; d="scan'208";a="14502943" Date: Wed, 28 Oct 2020 12:52:03 +0100 From: Vincent Whitchurch To: Andy Shevchenko CC: Bamvor Jian Zhang , Linus Walleij , Bartosz Golaszewski , kernel , devicetree , "open list:GPIO SUBSYSTEM" , Linux Kernel Mailing List , Subject: Re: [PATCH v2] gpio: mockup: Allow probing from device tree Message-ID: <20201028115203.qy7nu6bn7dy77vzm@axis.com> References: <20201027135325.22235-1-vincent.whitchurch@axis.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 28, 2020 at 12:43:22PM +0100, Andy Shevchenko wrote: > On Wed, Oct 28, 2020 at 10:00 AM Vincent Whitchurch > wrote: > > Allow the mockup driver to be probed via the device tree without any > > module parameters, allowing it to be used to configure and test higher > > level drivers like the leds-gpio driver and corresponding userspace > > before actual hardware is available. > > You have to officially announce a DT binding for that. Rob Herring has earlier said that was not required for this driver. As I mentioned a little further down in the email you are replying to: | Drop DT binding document, since Rob Herring was OK with not documenting | this: | https://lore.kernel.org/linux-devicetree/5baa1ae6.1c69fb81.847f2.3ab1@mx.google.com/