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,URIBL_BLOCKED,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 075C2C10F11 for ; Wed, 24 Apr 2019 14:33:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CACA2218FE for ; Wed, 24 Apr 2019 14:33:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556116426; bh=TdWE5BTDUGaxS5tgwoFDV4kBVKs/HU08nk+1lrddLv0=; h=From:To:Cc:Subject:Date:List-ID:From; b=oXHayAcZfMHsZun/etWLZB1nhOZlVw6KbhB6hvALilsiR9xx6moa7rsf/H73RtjgQ UWKHKTlxQKZ7Wakz/8o0eNaGYiM5YdVdAae1ocOYcB+KyRcEEt8TNAybQ8wgpBS58X fMBW0+SfXaqvYQRjflArJhrVvr7W1qyV2+2bx7C4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730581AbfDXOdq (ORCPT ); Wed, 24 Apr 2019 10:33:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:37700 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726481AbfDXOdp (ORCPT ); Wed, 24 Apr 2019 10:33:45 -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 8436A2089F; Wed, 24 Apr 2019 14:33:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556116425; bh=TdWE5BTDUGaxS5tgwoFDV4kBVKs/HU08nk+1lrddLv0=; h=From:To:Cc:Subject:Date:From; b=Mg8R/IjCCORKk/TxjCaCGrp6pJLGyUNj6L7+l8s6TivAC3/HjSD1DX662Z+y7kuAF 1GOkjYtWAj599QENL2Hl6T8zc1kfauFEUfaRsH7oj3wCj16Nh5SKCNzhzASnFk52FK Iua5YvaIWcmau4ljrCeWixuhK2lVby+MAm9qZKvs= 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 5.0 01/66] arm64: dts: rockchip: fix rk3328-roc-cc gmac2io tx/rx_delay Date: Wed, 24 Apr 2019 10:32:35 -0400 Message-Id: <20190424143341.27665-1-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: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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 (Microsoft) --- 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 99d0d9912950..a91f87df662e 100644 --- a/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts +++ b/arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts @@ -107,8 +107,8 @@ 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