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 01233CA1002 for ; Thu, 4 Sep 2025 12:01:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=shf+V7EaxPNz+CNF3o+iiRpg2HaYWCun+abYpIlkIv8=; b=ZQ/uMetnn3ixCjeVcSBYkaSM7A q/mb6j0e7dhlF8eboU+2+RWXWsj4W+eXAb1zhxYUxKPlklTV3hgfE0L3t29D1cX91lJJVZzQaQODk IDDbNfouCzqInYjJAjYdCyM50KnTya3dVluwpZJf0WCYHmhWLSX6IPM2Hgkgg796lz6IVAFWZ/NXj vVqg961m8ZOnLpb86JBKNlMr6mL6GkVFSvoZxG9NvtqFIzjCyWfF86TijKVQWMN5Nif9EoE/DXtfD wfDUesBcoqI4cCYZlmQ6Ph2tsCiAnGO8j3b0AAcdue4zDkxFqGy5tQ+Sg2HsgOAxaXzNxyB6qeBcV YnxmHQug==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uu8eq-0000000BPmZ-3Llm; Thu, 04 Sep 2025 12:01:40 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uu7SG-0000000AytS-0PFM for linux-arm-kernel@lists.infradead.org; Thu, 04 Sep 2025 10:44:37 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id C1E40434F1; Thu, 4 Sep 2025 10:44:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 006FEC4CEF0; Thu, 4 Sep 2025 10:44:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756982675; bh=pKXQ2BOe5S23ZZX1t20m3mUlrnVNSp1CdRdrgqIRj78=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=DThHZmd4O/0IYMRQaqdxjRE2eu376zOP7YfVWGpo0EwQkbrz9P9zY5LXSD6VOGW5C q+KD/X0jVRp3Z6bCZWOpy+Ewu7t/55PiILUftovaYRUJvfcL/HSt4QD/9oZFjcwmuN GyEiXSs/gBx40h8KsUH0o8d/mJim8vsTdjB7FygOnzUfbkz03UytfMiP+xr1osA5Pn bWtfVI3NDl8wRbYfRRqy1RLFdQYYVwMBLXjHZnwKN28xFAZSbLjhzdCC1xuvPauqBR si3nzbuk75JDcNsezQiTVnic0sEEYYBadv9kxsdp5ydiolmedJw36nDTrbA+su4YL3 EYjLoR76Aw1MQ== Message-ID: <90aa7f8a-9ce1-425d-a988-3c1f9990ec4d@kernel.org> Date: Thu, 4 Sep 2025 12:44:28 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] dt-bindings: iio: afe: current-sense-amplifier: Add io-channel-cells To: Primoz Fiser Cc: Peter Rosin , Jonathan Cameron , David Lechner , Nuno Sa , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, upstream@lists.phytec.de References: <20250903113700.3079626-1-primoz.fiser@norik.com> <20250904-tangible-practical-partridge-a1b0e4@kuoka> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250904_034436_186295_1EB08CD9 X-CRM114-Status: GOOD ( 12.66 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 04/09/2025 12:15, Primoz Fiser wrote: > Hi Krzysztof, > > On 4. 09. 25 11:17, Krzysztof Kozlowski wrote: >> On Wed, Sep 03, 2025 at 01:36:59PM +0200, Primoz Fiser wrote: >>> The current-sense-amplifier is an IIO provider thus can be referenced by >>> IIO consumers (via "io-channels" property in consumer device node). Such >>> provider is required to describe number of cells used in phandle lookup >>> with "io-channel-cells" property, otherwise the following kernel error >>> is present: >>> >>> OF: /iio-hwmon: could not get #io-channel-cells for /current-sense >> >> Also, how can I reproduce this error? Do you paste here real errors or >> just some invented ones from some out of tree code (hint: such would not >> be relevant). > > I get this error if I apply patch #2 without patch #1. See [1] for more > details. Then your warning is not relevant here. You said in your commit there is a bug, expressed with that warning, so you make this commit. Turns out there is no bug, so all the reasons for this commit are gone. Rephrase the commit msg to describe accurate reasons WHY you are doing this. Drop non-existing warnings and any misleading fixes tag, since there is no bug being fixed. Best regards, Krzysztof