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Wed, 12 Jul 2023 01:43:45 -0700 (PDT) Received: from [192.168.1.103] ([31.173.82.245]) by smtp.gmail.com with ESMTPSA id l24-20020a2e8698000000b00295a96a0f6csm826389lji.102.2023.07.12.01.43.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Jul 2023 01:43:44 -0700 (PDT) Subject: Re: [PATCH v1] riscv: dts: renesas: clean up dtbs_check W=1 warning due to empty phy node To: Conor Dooley , geert+renesas@glider.be Cc: conor@kernel.org, Magnus Damm , Prabhakar Mahadev Lad , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org References: <20230712-squealer-walmart-9587342ddec1@wendy> From: Sergei Shtylyov Message-ID: <18871eff-f2be-9eed-ee4c-99eba87686d8@gmail.com> Date: Wed, 12 Jul 2023 11:43:43 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <20230712-squealer-walmart-9587342ddec1@wendy> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230712_014349_808786_9F8BF8B8 X-CRM114-Status: GOOD ( 15.74 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Hello! On 7/12/23 11:14 AM, Conor Dooley wrote: > dtbs_check w/ W=1 complains: > Warning (unit_address_vs_reg): /soc/ethernet@11c20000/ethernet-phy@7: node has a unit name, but no reg or ranges property > Warning (avoid_unnecessary_addr_size): /soc/ethernet@11c20000: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property > > The ethernet@11c20000 node is guarded by an `#if (!SW_ET0_EN_N)` in > rzg2ul-smarc-som.dtsi, where the phy child node is added. In > rzfive-smarc-som.dtsi, the ethernet node is marked disabled & the > interrupt properties are deleted from the phy child node. As a result, > the produced dts looks like: > ethernet@11c20000 { > compatible = "renesas,r9a07g043-gbeth\0renesas,rzg2l-gbeth"; > /* snip */ > #address-cells = <0x01>; > #size-cells = <0x00>; > status = "disabled"; > > ethernet-phy@7 { > }; > }; > > Adding a corresponding `#if (!SW_ET0_EN_N)` around the node in > rzfive-smarc-som.dtsi avoids the complaint, as the empty child node is > not added: > ethernet@11c20000 { > compatible = "renesas,r9a07g043-gbeth\0renesas,rzg2l-gbeth"; > /* snip */ > #address-cells = <0x01>; > #size-cells = <0x00>; > status = "disabled"; > }; > > Signed-off-by: Conor Dooley [...] > diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi > index d6f18754eb5d..c62debc7ca7e 100644 > --- a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi > +++ b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi > @@ -22,6 +22,7 @@ &dmac { > status = "disabled"; > }; > > +#if (!SW_ET0_EN_N) Are the parens really needed here? > ð0 { > status = "disabled"; > [...] MBR, Sergey _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv