From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752989AbdFQWZJ (ORCPT ); Sat, 17 Jun 2017 18:25:09 -0400 Received: from omzsmtpe01.verizonbusiness.com ([199.249.25.210]:48740 "EHLO omzsmtpe01.verizonbusiness.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752528AbdFQWY4 (ORCPT ); Sat, 17 Jun 2017 18:24:56 -0400 X-IronPort-Anti-Spam-Filtered: false From: "Levin, Alexander (Sasha Levin)" Cc: Jerome Brunet , Kevin Hilman , Arnd Bergmann , "Levin, Alexander (Sasha Levin)" X-IronPort-AV: E=Sophos;i="5.39,316,1493683200"; d="scan'208";a="220488918" X-Host: discovery.odc.vzwcorp.com To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: [PATCH for v4.9 LTS 11/86] ARM64: dts: meson-gxbb-odroidc2: fix GbE tx link breakage Thread-Topic: [PATCH for v4.9 LTS 11/86] ARM64: dts: meson-gxbb-odroidc2: fix GbE tx link breakage Thread-Index: AQHS57h9QaTwzNjBtEi1XnqgVGoR/Q== Date: Sat, 17 Jun 2017 22:24:30 +0000 Message-ID: <20170617222420.19316-11-alexander.levin@verizon.com> References: <20170617222420.19316-1-alexander.levin@verizon.com> In-Reply-To: <20170617222420.19316-1-alexander.levin@verizon.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.144.60.250] Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id v5HMgZUx023669 From: Jerome Brunet [ Upstream commit feb3cbea0946c67060e2d5bcb7499b0a6f6700fe ] OdroidC2 GbE link breaks under heavy tx transfer. This happens even if the MAC does not enable Energy Efficient Ethernet (No Low Power state Idle on the Tx path). The problem seems to come from the phy Rx path, entering the LPI state. Disabling EEE advertisement on the phy prevent this feature to be negociated with the link partner and solve the issue. Signed-off-by: Jerome Brunet Signed-off-by: Kevin Hilman Signed-off-by: Arnd Bergmann Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts index e6e3491d48a5..f150a4c63efe 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts @@ -85,6 +85,18 @@ status = "okay"; pinctrl-0 = <ð_pins>; pinctrl-names = "default"; + phy-handle = <ð_phy0>; + + mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + + eth_phy0: ethernet-phy@0 { + reg = <0>; + eee-broken-1000t; + }; + }; }; &ir { -- 2.11.0