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=-14.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 B0817C43465 for ; Mon, 21 Sep 2020 16:37:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 64B2A2396F for ; Mon, 21 Sep 2020 16:37:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600706246; bh=EkH6MQz3FU4tXo3GW7Er5MP1iP/BVcBcob0potnqXoI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=0dniWkGlNhT4gOa+JGvm7N5q7ndnRSJ8dHFD7riUZGAnkjbeY3M5sAyDFH4YX2jPr YTPN8jHxDZi0onZK085p+x5IsD2UA5h1SV2tPClzb1WTpwbmAUPkIOedex0IKAiZqZ tgG32hY4z35/xlnIdaPv7WiKG0+mSyRByTCQDQ7o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729058AbgIUQhY (ORCPT ); Mon, 21 Sep 2020 12:37:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:37494 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727237AbgIUQhP (ORCPT ); Mon, 21 Sep 2020 12:37:15 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0514F2396F; Mon, 21 Sep 2020 16:37:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600706234; bh=EkH6MQz3FU4tXo3GW7Er5MP1iP/BVcBcob0potnqXoI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZzG5o+mvtcGD0bOrBzVufPiN+5+fs1MOU0qNkCz1ywvozGrR+PDUqvaWxjjJ54xD+ ysKG2lHCILGMITeoYtf9F6eZtPZ8O5npwkjlbA2XrL5ofJ0HySIKms34cupD+vCGfA FA1Ulp2ZASEc7gaqUomnIcmz357bOUfo9iBDdVZk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Evgeniy Didin , Eugeniy Paltsev , Alexey Brodkin , Vineet Gupta , Sasha Levin Subject: [PATCH 4.14 19/94] ARC: [plat-hsdk]: Switch ethernet phy-mode to rgmii-id Date: Mon, 21 Sep 2020 18:27:06 +0200 Message-Id: <20200921162036.426435187@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200921162035.541285330@linuxfoundation.org> References: <20200921162035.541285330@linuxfoundation.org> User-Agent: quilt/0.66 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 From: Evgeniy Didin [ Upstream commit 26907eb605fbc3ba9dbf888f21d9d8d04471271d ] HSDK board has Micrel KSZ9031, recent commit bcf3440c6dd ("net: phy: micrel: add phy-mode support for the KSZ9031 PHY") caused a breakdown of Ethernet. Using 'phy-mode = "rgmii"' is not correct because accodring RGMII specification it is necessary to have delay on RX (PHY to MAX) which is not generated in case of "rgmii". Using "rgmii-id" adds necessary delay and solves the issue. Also adding name of PHY placed on HSDK board. Signed-off-by: Evgeniy Didin Cc: Eugeniy Paltsev Cc: Alexey Brodkin Signed-off-by: Vineet Gupta Signed-off-by: Sasha Levin --- arch/arc/boot/dts/hsdk.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts index aeacea148793c..75aa3a8f9fdc9 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -163,7 +163,7 @@ reg = <0x8000 0x2000>; interrupts = <10>; interrupt-names = "macirq"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; snps,pbl = <32>; snps,multicast-filter-bins = <256>; clocks = <&gmacclk>; @@ -179,7 +179,7 @@ #address-cells = <1>; #size-cells = <0>; compatible = "snps,dwmac-mdio"; - phy0: ethernet-phy@0 { + phy0: ethernet-phy@0 { /* Micrel KSZ9031 */ reg = <0>; ti,rx-internal-delay = ; ti,tx-internal-delay = ; -- 2.25.1