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[71.197.186.152]) by smtp.googlemail.com with ESMTPSA id c23sm5385274pfi.83.2018.12.07.16.20.02 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 07 Dec 2018 16:20:03 -0800 (PST) From: Kevin Hilman To: Carlo Caione , robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, martin.blumenstingl@googlemail.com, ingrassia@epigenesys.com Subject: Re: [PATCH v2 1/2] arm64: dts: meson: Fix IRQ trigger type for macirq In-Reply-To: <20181207105231.25593-2-ccaione@baylibre.com> References: <20181207105231.25593-1-ccaione@baylibre.com> <20181207105231.25593-2-ccaione@baylibre.com> Date: Fri, 07 Dec 2018 16:20:02 -0800 Message-ID: <7hftv8yiml.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181207_162015_212577_F20C967A X-CRM114-Status: GOOD ( 11.88 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Carlo Caione Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Carlo Caione writes: > A long running stress test on a custom board shipping an AXG SoCs and a > Realtek RTL8211F PHY revealed that after a few hours the connection > speed would drop drastically, from ~1000Mbps to ~3Mbps. At the same time > the 'macirq' (eth0) IRQ would stop being triggered at all and as > consequence the GMAC IRQs never ACKed. > > After a painful investigation the problem seemed to be due to a wrong > defined IRQ type for the GMAC IRQ that should be LEVEL_HIGH instead of > EDGE_RISING. > > The change in the macirq IRQ type also solved another long standing > issue affecting this SoC/PHY where EEE was causing the network > connection to die after stressing it with iperf3 (even though much > sooner). It's now possible to remove the 'eee-broken-1000t' quirk as > well. > > Fixes: feb3cbea0946 ("ARM64: dts: meson-gxbb-odroidc2: fix GbE tx link breakage") > Fixes: 6d28d577510f ("ARM64: dts: meson-axg: fix ethernet stability issue") > Reviewed-by: Jerome Brunet > Tested-by: Jerome Brunet > Acked-by: Neil Armstrong > Signed-off-by: Carlo Caione Queuing this one for v4.21 (dt64 branch) I'm going to wait for the dust to settle on 'PATCH v2 2/2' for the 32-bit SoCs (and will rely on Martin's recommendation for the final decision there.) Kevin _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic