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 8E2D22206AB; Mon, 7 Apr 2025 18:06:51 +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=1744049211; cv=none; b=KG/odXORa9RFQ2D2Ao+BiQPCjMCxXMaHAr2L10RifACgiYPaUi8t7hger/I9DZ3oMV+tWHxOqcU1NDmpENWasuH7ocOIj7416anlmMhyUwZ7/+oP7PDePgHWKvLphc1i/A6k8AL1J4iQWTxBSPK9VWZQ66NKz/tU45MbsiBj1s0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744049211; c=relaxed/simple; bh=FsmCeWazI64tSkrlujtg9O9Kb5UT2thJSPKLzmk6DEE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ik7Ziw3jw3XdItsLVBpVAnTtF9bSCy0zW/GXn3Le/DJ06s9Gbn/NcOBvhKNSoRv8IULh0wby15pyOz3blVJEiFZGGDt/r53M2Qn/HFeSA78FP1FaxmzvHg3Uz734jxJLDKyikNhwgltZ2mGQF3BnBYlnU5Gl0PdG6ZKGGpbJTxo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PO28sFEA; 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="PO28sFEA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C91AC4CEDD; Mon, 7 Apr 2025 18:06:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744049211; bh=FsmCeWazI64tSkrlujtg9O9Kb5UT2thJSPKLzmk6DEE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=PO28sFEASTjc/GPxdXf8NPgHhYFf1cZNqdcAyoDf6GZ6T8o5PFCCND+Q9K5IXtu3i /IuOFLVARRWl2BAq9piwymt0SbC5pLKLdwi+65s8YjAWdu7ZodDkBzNswb2CX+BQfE koLcOyqOn5pPv+2vqnzk5agz7+AZPDf5QY2fXziceHjWu/v/JXcO4lT2YcTZwVUhHP dcGHsCRChK2X1LivG4RzZJMjaPAUR7/5XXKodVOzPfbSviebZZkbyKbBLmpYMhlrRM XIj2IlNLFcHFX8C0k7r9AuxG1OsKRIYQ5Lg8Ec6K93NWIgrEz6nqYjCkeIC6ZFxyXO tgxGcw4OsOS4A== Message-ID: <09e09598-945b-4f26-a5f4-9f1a17a709c4@kernel.org> Date: Mon, 7 Apr 2025 20:06:45 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 18/28] dpll: zl3073x: Read optional pin properties from firmware To: Ivan Vecera , netdev@vger.kernel.org Cc: Michal Schmidt , Vadim Fedorenko , Arkadiusz Kubalewski , Jiri Pirko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Prathosh Satish , Lee Jones , Kees Cook , Andy Shevchenko , Andrew Morton , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org References: <20250407172836.1009461-1-ivecera@redhat.com> <20250407173149.1010216-9-ivecera@redhat.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 07/04/2025 19:31, Ivan Vecera wrote: > + > + if (zl3073x_dpll_is_input_pin(pin)) > + node_name = "input-pins"; > + else > + node_name = "output-pins"; > + > + /* Get node containing input or output pins */ > + pins_node = device_get_named_child_node(zldpll->mfd->dev, node_name); > + if (!pins_node) { > + dev_dbg(zldpll->mfd->dev, "'%s' sub-node is missing\n", > + node_name); > + return NULL; > + } > + > + /* Get pin HW index */ > + idx = zl3073x_dpll_pin_index_get(pin); > + > + /* Enumerate pin nodes and find the requested one */ > + fwnode_for_each_child_node(pins_node, pin_node) { > + u32 reg; > + > + if (fwnode_property_read_u32(pin_node, "reg", ®)) > + continue; > + > + if (idx == reg) > + break; Where do you drop the reference to pin_node? > + } > + > + /* Release pin parent node */ > + fwnode_handle_put(pins_node); > + Best regards, Krzysztof