From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B96FC10F11 for ; Wed, 24 Apr 2019 13:58:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5F1092077C for ; Wed, 24 Apr 2019 13:58:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556114286; bh=4CR2co9QDeM2sqBObX24OTDizYn3UMzcVDWciRdYp7Y=; h=From:To:Cc:Subject:Date:List-ID:From; b=KoBZjSwe/U+LDJAAwi4tQVuoFHVwNfRYcnFyjS8Qwivn3ZZmMqLOkTttFNLhLxO2w m3ORCK8NrD1eUT7se1k5qmICsJY3ctbXDAYCOtMhDtN2PEVU5uqF2QQgRm0w39T9kr nCqKy2mTVmIUUfhx55zbpJjfM/0DwNguZ77tqcRE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730928AbfDXN6F (ORCPT ); Wed, 24 Apr 2019 09:58:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:51582 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730195AbfDXN6D (ORCPT ); Wed, 24 Apr 2019 09:58:03 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1EEEC21900; Wed, 24 Apr 2019 13:58:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556114283; bh=4CR2co9QDeM2sqBObX24OTDizYn3UMzcVDWciRdYp7Y=; h=From:To:Cc:Subject:Date:From; b=17cm2UTT5tF1Fd3mTfdIHPXoiHp/47zEjLDHICEqnv5P3CFm1Uuo/7LlD1/UIAicm /EmaSdXpWdfYqifiKQTN3m8ZC5lMLfUPsEFONHAMfNIFYbHCmQC2f8IBqG/++kODsy pG8YAZUvmb9iS7jvEh4ovovBMr7T2Y9jN3sAKtoY= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: "Leonidas P. Papadakos" , Heiko Stuebner , Sasha Levin , devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org Subject: [PATCH AUTOSEL 4.19 01/52] arm64: dts: rockchip: fix rk3328-roc-cc gmac2io tx/rx_delay Date: Wed, 24 Apr 2019 09:57:06 -0400 Message-Id: <20190424135758.22850-1-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Leonidas P. Papadakos" [ Upstream commit 924726888f660b2a86382a5dd051ec9ca1b18190 ] The rk3328-roc-cc board exhibits tx stability issues with large packets, as does the rock64 board, which was fixed with this patch https://patchwork.kernel.org/patch/10178969/ A similar patch was merged for the rk3328-roc-cc here https://patchwork.kernel.org/patch/10804863/ but it doesn't include the tx/rx_delay tweaks, and I find that they help with an issue where large transfers would bring the ethernet link down, causing a link reset regularly. Signed-off-by: Leonidas P. Papadakos Signed-off-by: Heiko Stuebner Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts index 246c317f6a68..91061d9cf78b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts +++ b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts @@ -94,8 +94,8 @@ snps,reset-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>; snps,reset-active-low; snps,reset-delays-us = <0 10000 50000>; - tx_delay = <0x25>; - rx_delay = <0x11>; + tx_delay = <0x24>; + rx_delay = <0x18>; status = "okay"; }; -- 2.19.1