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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7CA55C19F4F for ; Wed, 8 May 2024 12:22:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0KY+KVYSAvJv0LbBqXxTBBKuBBMqKKUCIats8vPH1qE=; b=dHInG5QjvglhaX /aDoFGgytDr+FGt3xpkVoiEpWk+T/dv0VnpcxLNlsveeoKC8uKl6d/6l9u/gTXNAbYYE5lyEMB8Ei 7Xi54v6YH8/vJOf6Z8OeMtL2cll8Zlv2lRyvAWvUy8I3MxM6ug1JE1IoqhanFX8RrWs8YWzN+0GKF XId8N7vZF/xcS0u6Rzy/cSPUIOUaxxkxKfFRe1+qu2OANlmhzqKQLxQXdRJWSkbjjqCdObXYWouuA 54Nm6f7IwtHWHxNXF82y5Bw7URP1MFVFBigkkoXvWHe6fz/OrwNoFi1l06UM5pjeQWmhaZftc7WcZ jW/4yB8FSmFwG+OCC5oQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s4gJT-0000000FQL7-2TPV; Wed, 08 May 2024 12:22:23 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s4gJQ-0000000FQJy-0GrW for linux-arm-kernel@lists.infradead.org; Wed, 08 May 2024 12:22:21 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 559B91007; Wed, 8 May 2024 05:22:42 -0700 (PDT) Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7C7873F587; Wed, 8 May 2024 05:22:14 -0700 (PDT) Date: Wed, 8 May 2024 13:22:12 +0100 From: Sudeep Holla To: Peng Fan Cc: "Peng Fan (OSS)" , Sudeep Holla , Cristian Marussi , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Linus Walleij , Aisheng Dong , Jacky Bai , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "imx@lists.linux.dev" , "linux-gpio@vger.kernel.org" Subject: Re: [PATCH v5 0/3] pinctrl: scmi: support i.MX95 OEM extensions Message-ID: References: <20240508-pinctrl-scmi-oem-v3-v5-0-6f2b167f71bc@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240508_052220_174395_A31EB9A4 X-CRM114-Status: GOOD ( 17.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, May 08, 2024 at 09:41:24AM +0000, Peng Fan wrote: > Hi Sudeep, > > > Subject: Re: [PATCH v5 0/3] pinctrl: scmi: support i.MX95 OEM extensions > > > > On Wed, May 08, 2024 at 11:32:01AM +0800, Peng Fan (OSS) wrote: > > > ARM SCMI v3.2 Table 24 Pin Configuration Type and Enumerations: > > > '192 -255 OEM specific units'. > > > > > > i.MX95 System Manager FW supports SCMI PINCTRL protocol, but it has > > > zero functions, groups. So pinctrl-scmi.c could not be reused for i.MX95. > > > Because nxp,pin-func, nxp,pin-conf properties are rejected by dt > > > maintainers, so use generic property 'pinmux' which requires a new > > > driver pinctrl-imx-scmi.c > > > > > > > Not a review in particular, but if we decide to merge this deviation, it must be > > under the condition that it can be deleted anytime in the future if this > > becomes annoyance(like other vendors using this as a way to deviate from > > the specification). If we can't agree with that, then we better not merge this > > at all. > > It is ok for me. I agree. > But actually this driver still follows Spec by using OEM extensions. > Agreed, but that's what I call as deviations. When such extensions are used as baseline implementation, it becomes deviations. -- Regards, Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel