From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F0D6E2E7F3A; Tue, 13 Jan 2026 22:53:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768344828; cv=none; b=IfpTwL8lEvf4/WZkc/sDI4DgTUwUABG2q6K60hEkcEHVvBJw7Ug9FvVmaaM+f1BJYU4+Ddoi0RPHR+J2O7SvUWU9X1UeIrll6uVl2p4rRybP0Ixi7JC3fD4vVkxjk1k2bB+h+9kDELo/WDLZ9K+Qj/FWxRd5BWHTPLYmE9uaRZA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768344828; c=relaxed/simple; bh=2MHv5Sgc3pFqXVzbcr112eYhr4dz8zmnuSF9FChDKqc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MfIScYD5HU6j6Edg691rBdXmuOtCpTCJIXgK9D5J48Hd246CUftcqtnXFuzy7KM+OxfoLQ8fVeot9X2AEoA0IsqEifiZSJZAs2Uc9ZCwncnj6s1P/B1xgBK/SJdabjLxQqMDluzbeRG1bHR3LFB6+1WHOZMTIRmGrLez0hNMHGY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eDqGCxra; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eDqGCxra" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EBDD9C116C6; Tue, 13 Jan 2026 22:53:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768344827; bh=2MHv5Sgc3pFqXVzbcr112eYhr4dz8zmnuSF9FChDKqc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=eDqGCxraARN2E4kq9xiAODfNysntzYgLFvVCreFPo/qN0DvAqziIxJwnH5briFYcq DtZg8c0OBejyMyBZR61bDYz+gMViYisessBIZn62p21dHScGPcHsy0saZwlfJxtMgB Q5EEGXKgy2/OtH1EjvdvvGzyLce/0radOLE6Hrya6bnJdc+670c1yJb9UmRv1Y3mYq 9ik0mXibfa82PYbau9buuGRe1dwXPlfDHczLjrQTiqsCDHo7DN4jm1ft1Ij3hUpuBP f+/gWYdkl2h2mAJcOeqp7R1niAyPqm5TZUtbC9iYzWD5EdOFbb55CdPNlBLfeiENy7 MvV8u58hsgx6Q== Date: Tue, 13 Jan 2026 16:53:46 -0600 From: Rob Herring To: AngeloGioacchino Del Regno Cc: krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com Subject: Re: [PATCH 1/3] dt-bindings: arm: mediatek: mmsys: Allow single vdo/mmsys endpoint Message-ID: <20260113225346.GA367211-robh@kernel.org> References: <20260108143934.69634-1-angelogioacchino.delregno@collabora.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260108143934.69634-1-angelogioacchino.delregno@collabora.com> On Thu, Jan 08, 2026 at 03:39:32PM +0100, AngeloGioacchino Del Regno wrote: > The hardware supports using just a single output while leaving all > of the others unconfigured (disabled), but the binding did not > really allow specifying a single endpoint@0, because in this case > one must either: > - Call the subnode `endpoint` and not declare any address and/or > size cells; or > - Call the subnode `endpoint@0` and have at least one more other > endpoint(@1 or @2), and declare address/size cells. > > Allow specifying a single `endpoint` subnode, without the `@0` > implicit suffix to suppress warnings happening on this kind of > valid usecase. This series isn't needed. We've dropped this check from dtc. I'll do a sync with upstream. In any case, it's also a W=1 warning which wouldn't be my top priority. Rob