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[71.197.186.152]) by smtp.gmail.com with ESMTPSA id k21sm14429457pfu.77.2020.12.07.11.15.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Dec 2020 11:15:39 -0800 (PST) From: Kevin Hilman To: Stefan Agner Cc: martin.blumenstingl@googlemail.com, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, jbrunet@baylibre.com, christianshewitt@gmail.com, jian.hu@amlogic.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, narmstrong@baylibre.com, robh+dt@kernel.org Subject: Re: [PATCH v3 1/5] arm64: dts: meson: g12b: odroid-n2: fix PHY deassert timing requirements Date: Mon, 7 Dec 2020 11:15:34 -0800 Message-Id: <160736852894.39684.3406899524817191739.b4-ty@baylibre.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 7 Dec 2020 18:57:59 +0100, Stefan Agner wrote: > According to the datasheet (Rev. 1.9) the RTL8211F requires at least > 72ms "for internal circuits settling time" before accessing the PHY > registers. This fixes an issue where the Ethernet link doesn't come up > when using ip link set down/up: > [ 29.360965] meson8b-dwmac ff3f0000.ethernet eth0: Link is Down > [ 34.569012] meson8b-dwmac ff3f0000.ethernet eth0: PHY [0.0:00] driver [RTL8211F Gigabit Ethernet] (irq=31) > [ 34.676732] meson8b-dwmac ff3f0000.ethernet: Failed to reset the dma > [ 34.678874] meson8b-dwmac ff3f0000.ethernet eth0: stmmac_hw_setup: DMA engine initialization failed > [ 34.687850] meson8b-dwmac ff3f0000.ethernet eth0: stmmac_open: Hw setup failed Applied, thanks! [1/5] arm64: dts: meson: g12b: odroid-n2: fix PHY deassert timing requirements commit: 1c7412530d5d0e0a0b27f1642f5c13c8b9f36f05 [2/5] arm64: dts: meson: fix PHY deassert timing requirements commit: c183c406c4321002fe85b345b51bc1a3a04b6d33 [3/5] ARM: dts: meson: fix PHY deassert timing requirements commit: 656ab1bdcd2b755dc161a9774201100d5bf74b8d [4/5] arm64: dts: meson: g12a: x96-max: fix PHY deassert timing requirements commit: 3d07c3b3a886fefd583c1b485b5e4e3c4e2da493 [5/5] arm64: dts: meson: g12b: w400: fix PHY deassert timing requirements commit: 9e454e37dc7c0ee9e108d70b983e7a71332aedff Best regards, -- Kevin Hilman