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[188.155.176.92]) by smtp.gmail.com with ESMTPSA id q3-20020a50aa83000000b0042dc513ced8sm3953987edc.30.2022.05.30.12.09.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 May 2022 12:09:35 -0700 (PDT) Message-ID: <6f3d43ca-c980-851d-e7b2-869371a1f4ec@linaro.org> Date: Mon, 30 May 2022 21:09:34 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH net-next] dt-bindings: net: xilinx: document xilinx emaclite driver binding Content-Language: en-US To: Radhey Shyam Pandey , Radhey Shyam Pandey , "davem@davemloft.net" , "edumazet@google.com" , "kuba@kernel.org" , "pabeni@redhat.com" , "robh+dt@kernel.org" , "krzysztof.kozlowski+dt@linaro.org" , "harini.katakam@amd.com" , "michal.simek@amd.com" Cc: "netdev@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "git@amd.com" References: <1653031473-21032-1-git-send-email-radhey.shyam.pandey@amd.com> <5c426fdc-6250-60fe-6c10-109a0ceb3e0c@linaro.org> From: Krzysztof Kozlowski In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 30/05/2022 15:21, Radhey Shyam Pandey wrote: >> >>> + local-mac-address = [00 0a 35 00 00 00]; >> >> Each device should get it's own MAC address, right? I understand you >> leave it for bootloader, then just fill it with 0. > > The emaclite driver uses of_get_ethdev_address() to get mac from DT. > i.e 'local-mac-address' if present in DT it will be read and this MAC > address is programmed in the MAC core. So I think it's ok to have a > user defined mac-address (instead of 0s) here in DT example? And you want to program the same MAC address in every device in the world? How would that work? Best regards, Krzysztof