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Thu, 03 Sep 2026 05:36:44 -0700 (PDT) Received: from remote-01 ([84.17.55.227]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-484492cf550sm13718528f8f.37.2026.09.03.05.36.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2026 05:36:43 -0700 (PDT) From: Aleksei Sviridkin To: andrew@lunn.ch Cc: theo.lebrun@bootlin.com, conor.dooley@microchip.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux@armlinux.org.uk, vineeth.karumanchi@amd.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net 2/2] net: macb: reject an unknown link speed in the taprio setup Date: Thu, 3 Sep 2026 12:36:38 +0000 Message-ID: <20260903123638.23712-1-f@lex.la> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: <20260902080528.2211468-1-f@lex.la> <20260902080528.2211468-3-f@lex.la> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > Can ethtool_validate_speed() be used? No: it accepts SPEED_UNKNOWN by definition, and zero as well, so it lets through exactly the values this check rejects.