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 A49284683; Fri, 31 Jan 2025 07:20:46 +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=1738308046; cv=none; b=uQOmXShaAMSBZ6D3U2aLwgpkEEOb2nipfD9UUi8ote7MdDzk6y0lrfHvgp9ilKPCTaVtqtC2xBp88LGSLupBFp0HMbTVlzjNcxY5OdLv+5a/OpbQ2YUPwQd3otKRTvnJU0zQRD4UllWas3DCqHWTxVTxO9j5ZGC4iQhMBCDv7aA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738308046; c=relaxed/simple; bh=T3LERifbHz41jcQeAfmYdIhO9AWtPypjY6kagxa/IuE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=mTwJ85t4ZH4mEN2A3aEKSqHwM4MrFDo4+5HSVd7IfAhGcSmKZNqMeWF2bzhJGP/ox07eGa2/vvcRersbqj4ydLYs/nFPLQ6SG3agUviRPGesqct25ydU74w5aOF1TkFaCxuc4hSahiyJXOebI6s4c+eDQSWBJRPKvmtagMf/lPY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HmscNsAT; 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="HmscNsAT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8C654C4CED1; Fri, 31 Jan 2025 07:20:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738308046; bh=T3LERifbHz41jcQeAfmYdIhO9AWtPypjY6kagxa/IuE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=HmscNsATcABNUAO/htu8KdUb+RgopedfxYTL3nRQlvDkv2Ma5U+rW+ddUh7nLrR23 Hr7EtxeHexDWcEZ/nEA8ORIbzc7d0Mk0pW8U20uVH8kEDnlevcNFnUzlBF8Z+aVy88 /fJWhHokrJSh/7trQT7wFO6OzsrmpDLnJc+O9xlT6v1T2Or4fvZCGpyoStryB6f2TP RlTbthiMnE9sTovKOHQuAz91QtETnrBH1KfVIugYsOm01g9aDKgYzx7IEWMLPfd2Px EZV8hcm/rC+CFbCHsU/nJLHZCELU/zNkzasfHbPaLdxWKGrdvviYNmtYEI7EUu2zVi y52ZanYynoxJA== Message-ID: Date: Fri, 31 Jan 2025 08:20:40 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/4] nvmem: imx-ocotp: Support accessing controller for i.MX8M Nano To: Alexander Stein , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Srinivas Kandagatla Cc: devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20250130130101.1040824-1-alexander.stein@ew.tq-group.com> <20250130130101.1040824-4-alexander.stein@ew.tq-group.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 30/01/2025 14:01, Alexander Stein wrote: > + > +static int imx_ocotp_grant_access(struct ocotp_priv *priv, struct device_node *parent) > +{ > + struct device *dev = priv->dev; > + > + for_each_available_child_of_node_scoped(parent, child) { > + struct of_phandle_args args; > + u32 id, idx = 0; > + > + while (!of_parse_phandle_with_args(child, "access-controllers", > + "#access-controller-cells", > + idx++, &args)) { > + of_node_put(args.np); > + if (args.np != dev->of_node) You are using args.np after dropping the reference. > + continue; > + > + /* Only support one cell */ > + if (args.args_count != 1) { > + dev_err(dev, "wrong args count\n"); > + continue; > + } > + Best regards, Krzysztof