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[82.67.6.57]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fe5cca160sm47420325e9.12.2026.09.24.01.40.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Sep 2026 01:40:07 -0700 (PDT) From: Jerome Brunet To: Andrew Lunn Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Richard Cochran , Maxime Ripard , Maxime Coquelin , Alexandre Torgue , Philipp Zabel , Maxime Chevallier , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, Andre Przywara Subject: Re: [PATCH net-next v3 0/5] net: stmmac: Add support for Allwinner A733 GMAC210 In-Reply-To: <9cc61625-47c9-4bdf-97f0-0528f661a399@lunn.ch> References: <20260923-allwinner-a733-gmac-support-v3-0-15735155a789@baylibre.com> <9cc61625-47c9-4bdf-97f0-0528f661a399@lunn.ch> Date: Thu, 24 Sep 2026 10:40:07 +0200 Message-ID: <1j7bkb9h5k.fsf@starbuckisacylon.baylibre.com> MIME-Version: 1.0 Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260924_014010_616813_9643CF55 X-CRM114-Status: GOOD ( 12.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On jeu. 24 sept. 2026 at 00:19, Andrew Lunn wrote: >> * Unstable EEE/LPI: If the device stays in LPI mode long enough, the >> link sometimes (but not always) goes down, coming back up when the >> device exits LPI mode. This is apparently due to the PHY; the vendor >> driver disables this feature. The solution is to use genphy with the >> eee-broken-* DT properties or wait for the upcoming mainline driver: >> https://lore.kernel.org/all/MN0PR19MB609154F210DF84DCB29D3696ACC62@MN0PR19MB6091.namprd19.prod.outlook.com > > Looking at this code, it totally ignores the interface mode. So you > have no idea what RGMII delays it is adding. When this driver gets > fixed before being merged, your DT fragment will likely break. Thanks for pointing this out Andrew. I've changed the phy-mode to plain rgmii which seems more in line with what the PHY actually does. > > Andrew -- Jerome