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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,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 17445C2D0D2 for ; Wed, 25 Dec 2019 00:58:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E2CF22063A for ; Wed, 25 Dec 2019 00:57:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=googlemail.com header.i=@googlemail.com header.b="GlptQvw+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726935AbfLYA57 (ORCPT ); Tue, 24 Dec 2019 19:57:59 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:37139 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726237AbfLYA56 (ORCPT ); Tue, 24 Dec 2019 19:57:58 -0500 Received: by mail-wr1-f66.google.com with SMTP id w15so8283942wru.4; Tue, 24 Dec 2019 16:57:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=PFmQ90ZYw4YHFMWAxeUA4KZ+OR6FSTaAbjo/3KRmum4=; b=GlptQvw+dENRbqNV/ZmYyeMc5Iulp2sTSNKMBKg5vCMLRijEI9Hx3VEPXiFos2QoaM qGGlUu6cka/RPmy43aWC/KO2BUyr6IVmb71uP+FS/BlJENgpEVw2bRW8ERlUHsPOhPq6 1FL/jRTLeIDjfgkSdwv+b3IwbhE7XNOo7ENrwB+ytOP8t2aByTrcLeDhjS61iXJoPo/2 ltA1Pfr8zQsYRObjB5Gq2glDrrGmaJNg4dHHyJtZ/dG7wDQVsCgcja2RlaCwN+9UNEER pUpOoSHw3xsn8oebebqtZljVxeKLTlHXZ7dyOa6ixLsSuoBrq3aajnuQR1iHKWAAqRJ6 6BdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=PFmQ90ZYw4YHFMWAxeUA4KZ+OR6FSTaAbjo/3KRmum4=; b=NZaSHMFO0ctdNBM/fKE8WfWM/RpJJjsZb2wX2RuSAOtKKUFfFIa+CTgV/160YQeO7d M+icVLfDKBVPcXpdq2yeiGpwegEeEg93ILqjSh3De9Wvi3jezBnluSCy8ZxAN2O9SNdh q+7m2R9dnjCHY1BPOEqkFA2I6eefIQrOIaHUomMAuM3N/jK4LYyuKSe8z8O2CT2ltnj8 OGLzaexozrrcEW6U2FkZWGoOHpJG2Scbw463/mOOUo0uXIXLgM2gw8kaG6aXA1QJ5YSD v7/1enDflhWOvk20xWcT3T3jAstlnOFvNYzdXp6yYu1Ljq/ko7JvyirJlu9p2UmhAk+i sHDA== X-Gm-Message-State: APjAAAVe7Hr/gVf5vIBlOYWC140AEA31K9FZNg6OfUIxF9A+QUtqpqjQ oZVCeANL4cay1ad9FSw5A5M= X-Google-Smtp-Source: APXvYqzMRfyD3lyEw+Zb4gNepoyAdwAUCWFEyKKCzMwOT61ncy02kog+p+b5jrt9BJEzS0NQro+IIQ== X-Received: by 2002:a5d:6390:: with SMTP id p16mr38153955wru.170.1577235476171; Tue, 24 Dec 2019 16:57:56 -0800 (PST) Received: from localhost.localdomain (p200300F1373A1900428D5CFFFEB99DB8.dip0.t-ipconnect.de. [2003:f1:373a:1900:428d:5cff:feb9:9db8]) by smtp.googlemail.com with ESMTPSA id e18sm26034448wrw.70.2019.12.24.16.57.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Dec 2019 16:57:55 -0800 (PST) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, netdev@vger.kernel.org, davem@davemloft.net, khilman@baylibre.com Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, balbes-150@yandex.ru, ingrassia@epigenesys.com, jbrunet@baylibre.com, linus.luessing@c0d3.blue, Martin Blumenstingl Subject: [PATCH 3/3] ARM: dts: meson8m2: mxiii-plus: use the same RGMII TX delay as u-boot Date: Wed, 25 Dec 2019 01:56:55 +0100 Message-Id: <20191225005655.1502037-4-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191225005655.1502037-1-martin.blumenstingl@googlemail.com> References: <20191225005655.1502037-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Due to a bug in the MPLL2 clock setup (which is used as input for the RGMII TX clock) a TX delay of 2ns did not work previously. With a TX delay of 4ns Ethernet worked enough to get an IP via DHCP but there was still high packet loss when transmitting data. Update the TX delay to 2ns - which is the same value that u-boot and the vendor kernel use - to fix the packet loss when transmitting data. Fixes: 35ee52bea66c74 ("ARM: dts: meson8m2: add support for the Tronsmart MXIII Plus") Signed-off-by: Martin Blumenstingl --- arch/arm/boot/dts/meson8m2-mxiii-plus.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/meson8m2-mxiii-plus.dts b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts index d54477b1001c..fd94b5cbd845 100644 --- a/arch/arm/boot/dts/meson8m2-mxiii-plus.dts +++ b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts @@ -71,7 +71,7 @@ ðmac { phy-handle = <ð_phy0>; phy-mode = "rgmii"; - amlogic,tx-delay-ns = <4>; + amlogic,tx-delay-ns = <2>; mdio { compatible = "snps,dwmac-mdio"; -- 2.24.1 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=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,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 A1B9AC2D0C3 for ; Wed, 25 Dec 2019 00:59:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 795AB2063A for ; Wed, 25 Dec 2019 00:59:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="M/ubFXOC"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=googlemail.com header.i=@googlemail.com header.b="GlptQvw+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 795AB2063A Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=googlemail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=tbDSClMk13epZwJCyalqOz2/cIg+QyLchKKi6Bo5yYc=; b=M/ubFXOC2kddEL fyhwvEuIE7/LyQ2dWq3AwBjjj4E24uM15jqinxTd4M8qOkYMcaxa5InLUf3ii1LZcFIafy+r9E+j2 fHo441h0PsJH6n6sD8o/qImKAy674aFk9m20+2/MiP1YfpN+QHl2xww3YNI4qc9hjh1pHFNkPTKyh sv7raNuSp+PmzuuL0pL2RLhwCclnkyKDZ/p0p6Tfzqv9Oz9SKuGDCOKj3x4WndPSKZuWRO1stLP02 m/nZfFNxr3Sm1409wl3Nd8RIj6/8aux2fUPKzm2W2rtZs33uN8LMV2Fe+UpYBudJfa/z81hkNXVez QmY/98rz6LBf7WcDUb7A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ijv0s-0005t9-7l; Wed, 25 Dec 2019 00:58:58 +0000 Received: from mail-wr1-x442.google.com ([2a00:1450:4864:20::442]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ijuzt-0004wR-UN; Wed, 25 Dec 2019 00:57:59 +0000 Received: by mail-wr1-x442.google.com with SMTP id c14so20894015wrn.7; Tue, 24 Dec 2019 16:57:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=PFmQ90ZYw4YHFMWAxeUA4KZ+OR6FSTaAbjo/3KRmum4=; b=GlptQvw+dENRbqNV/ZmYyeMc5Iulp2sTSNKMBKg5vCMLRijEI9Hx3VEPXiFos2QoaM qGGlUu6cka/RPmy43aWC/KO2BUyr6IVmb71uP+FS/BlJENgpEVw2bRW8ERlUHsPOhPq6 1FL/jRTLeIDjfgkSdwv+b3IwbhE7XNOo7ENrwB+ytOP8t2aByTrcLeDhjS61iXJoPo/2 ltA1Pfr8zQsYRObjB5Gq2glDrrGmaJNg4dHHyJtZ/dG7wDQVsCgcja2RlaCwN+9UNEER pUpOoSHw3xsn8oebebqtZljVxeKLTlHXZ7dyOa6ixLsSuoBrq3aajnuQR1iHKWAAqRJ6 6BdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=PFmQ90ZYw4YHFMWAxeUA4KZ+OR6FSTaAbjo/3KRmum4=; b=PwDI6lNpyv7gl0qEGYpxM+XY1HXODz9JP+VX3E/nX0xUO46eRnbvZprICilDhRhL// qdLQrpPtwznklTAN5I2RQSYdCA09uobq5QVaiZ59YRd/yy9See0EHeaoh6UHpmWf0rgm U46LbCx3URkD5HoKnx+r/ySYs0UC/i/h0uJVhFN3/icTI0VilVj6BV8wgLNNAuYf3meM 47mLz1NfrG0WS0T8UMF71g+eyVtpDvPMyrF/3FZRe/TQAUFyvw6l00BcdPMcDubsPOXk wEBEQZiVwmoFbNsCKuqe3JV2OGbRbkTZPkG36Cfzw0YwctY/xxTi52QDAw10xz8yI40t +Q9w== X-Gm-Message-State: APjAAAV+yhK7xTL0WGbc0mOvYMFOrebYzo/1CRnHBG5B8AdwXrXjOleZ sOQURinQDI/2OnHdkMr/DSuyDGfN X-Google-Smtp-Source: APXvYqzMRfyD3lyEw+Zb4gNepoyAdwAUCWFEyKKCzMwOT61ncy02kog+p+b5jrt9BJEzS0NQro+IIQ== X-Received: by 2002:a5d:6390:: with SMTP id p16mr38153955wru.170.1577235476171; Tue, 24 Dec 2019 16:57:56 -0800 (PST) Received: from localhost.localdomain (p200300F1373A1900428D5CFFFEB99DB8.dip0.t-ipconnect.de. [2003:f1:373a:1900:428d:5cff:feb9:9db8]) by smtp.googlemail.com with ESMTPSA id e18sm26034448wrw.70.2019.12.24.16.57.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Dec 2019 16:57:55 -0800 (PST) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, netdev@vger.kernel.org, davem@davemloft.net, khilman@baylibre.com Subject: [PATCH 3/3] ARM: dts: meson8m2: mxiii-plus: use the same RGMII TX delay as u-boot Date: Wed, 25 Dec 2019 01:56:55 +0100 Message-Id: <20191225005655.1502037-4-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191225005655.1502037-1-martin.blumenstingl@googlemail.com> References: <20191225005655.1502037-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191224_165757_976817_C5423421 X-CRM114-Status: GOOD ( 14.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linus.luessing@c0d3.blue, balbes-150@yandex.ru, linux-kernel@vger.kernel.org, Martin Blumenstingl , linux-arm-kernel@lists.infradead.org, ingrassia@epigenesys.com, jbrunet@baylibre.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Due to a bug in the MPLL2 clock setup (which is used as input for the RGMII TX clock) a TX delay of 2ns did not work previously. With a TX delay of 4ns Ethernet worked enough to get an IP via DHCP but there was still high packet loss when transmitting data. Update the TX delay to 2ns - which is the same value that u-boot and the vendor kernel use - to fix the packet loss when transmitting data. Fixes: 35ee52bea66c74 ("ARM: dts: meson8m2: add support for the Tronsmart MXIII Plus") Signed-off-by: Martin Blumenstingl --- arch/arm/boot/dts/meson8m2-mxiii-plus.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/meson8m2-mxiii-plus.dts b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts index d54477b1001c..fd94b5cbd845 100644 --- a/arch/arm/boot/dts/meson8m2-mxiii-plus.dts +++ b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts @@ -71,7 +71,7 @@ ðmac { phy-handle = <ð_phy0>; phy-mode = "rgmii"; - amlogic,tx-delay-ns = <4>; + amlogic,tx-delay-ns = <2>; mdio { compatible = "snps,dwmac-mdio"; -- 2.24.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,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 2CD65C2D0C3 for ; Wed, 25 Dec 2019 00:58:59 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EB5062063A for ; Wed, 25 Dec 2019 00:58:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ihIJTHOS"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=googlemail.com header.i=@googlemail.com header.b="GlptQvw+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EB5062063A Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=googlemail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WALSsN7kz/9dFLOuYT1XYhejw7auRnMGD4nuI2Blxq0=; b=ihIJTHOS2JTMcD cK1v1Lopalq914WfPrqmDBM+/Mb/kCdjUnN0knfpz8QJS7pXzJ0YeJhJtEcBVXjckGbg2jDNdL/WZ eonqapwIOVvIgIhnivvWUnqzWindbgbNGinsfKsiB97tIVqDtuyGrVXObDsxRCq4mxi6XUophy9FF SHQVuFxMJChS8N6DnkebelX30tnqqqt0Kjz2jpKhx3uLurVkcPLUi4N7jCCoIZzP340Tdbf3nel5k 3Fmu8UzthQYJV5Kc0hrsBUsIYxtx8VOivrHkQ3MLOHDdAgEcyTuDqlfO5HVjTfC7hJObUEds2vPqD vcZPb6XETf3G7PEACpIA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ijv0o-0005qX-45; Wed, 25 Dec 2019 00:58:54 +0000 Received: from mail-wr1-x442.google.com ([2a00:1450:4864:20::442]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ijuzt-0004wR-UN; Wed, 25 Dec 2019 00:57:59 +0000 Received: by mail-wr1-x442.google.com with SMTP id c14so20894015wrn.7; Tue, 24 Dec 2019 16:57:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=PFmQ90ZYw4YHFMWAxeUA4KZ+OR6FSTaAbjo/3KRmum4=; b=GlptQvw+dENRbqNV/ZmYyeMc5Iulp2sTSNKMBKg5vCMLRijEI9Hx3VEPXiFos2QoaM qGGlUu6cka/RPmy43aWC/KO2BUyr6IVmb71uP+FS/BlJENgpEVw2bRW8ERlUHsPOhPq6 1FL/jRTLeIDjfgkSdwv+b3IwbhE7XNOo7ENrwB+ytOP8t2aByTrcLeDhjS61iXJoPo/2 ltA1Pfr8zQsYRObjB5Gq2glDrrGmaJNg4dHHyJtZ/dG7wDQVsCgcja2RlaCwN+9UNEER pUpOoSHw3xsn8oebebqtZljVxeKLTlHXZ7dyOa6ixLsSuoBrq3aajnuQR1iHKWAAqRJ6 6BdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=PFmQ90ZYw4YHFMWAxeUA4KZ+OR6FSTaAbjo/3KRmum4=; b=PwDI6lNpyv7gl0qEGYpxM+XY1HXODz9JP+VX3E/nX0xUO46eRnbvZprICilDhRhL// qdLQrpPtwznklTAN5I2RQSYdCA09uobq5QVaiZ59YRd/yy9See0EHeaoh6UHpmWf0rgm U46LbCx3URkD5HoKnx+r/ySYs0UC/i/h0uJVhFN3/icTI0VilVj6BV8wgLNNAuYf3meM 47mLz1NfrG0WS0T8UMF71g+eyVtpDvPMyrF/3FZRe/TQAUFyvw6l00BcdPMcDubsPOXk wEBEQZiVwmoFbNsCKuqe3JV2OGbRbkTZPkG36Cfzw0YwctY/xxTi52QDAw10xz8yI40t +Q9w== X-Gm-Message-State: APjAAAV+yhK7xTL0WGbc0mOvYMFOrebYzo/1CRnHBG5B8AdwXrXjOleZ sOQURinQDI/2OnHdkMr/DSuyDGfN X-Google-Smtp-Source: APXvYqzMRfyD3lyEw+Zb4gNepoyAdwAUCWFEyKKCzMwOT61ncy02kog+p+b5jrt9BJEzS0NQro+IIQ== X-Received: by 2002:a5d:6390:: with SMTP id p16mr38153955wru.170.1577235476171; Tue, 24 Dec 2019 16:57:56 -0800 (PST) Received: from localhost.localdomain (p200300F1373A1900428D5CFFFEB99DB8.dip0.t-ipconnect.de. [2003:f1:373a:1900:428d:5cff:feb9:9db8]) by smtp.googlemail.com with ESMTPSA id e18sm26034448wrw.70.2019.12.24.16.57.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Dec 2019 16:57:55 -0800 (PST) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, netdev@vger.kernel.org, davem@davemloft.net, khilman@baylibre.com Subject: [PATCH 3/3] ARM: dts: meson8m2: mxiii-plus: use the same RGMII TX delay as u-boot Date: Wed, 25 Dec 2019 01:56:55 +0100 Message-Id: <20191225005655.1502037-4-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191225005655.1502037-1-martin.blumenstingl@googlemail.com> References: <20191225005655.1502037-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191224_165757_976817_C5423421 X-CRM114-Status: GOOD ( 14.21 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linus.luessing@c0d3.blue, balbes-150@yandex.ru, linux-kernel@vger.kernel.org, Martin Blumenstingl , linux-arm-kernel@lists.infradead.org, ingrassia@epigenesys.com, jbrunet@baylibre.com 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 Due to a bug in the MPLL2 clock setup (which is used as input for the RGMII TX clock) a TX delay of 2ns did not work previously. With a TX delay of 4ns Ethernet worked enough to get an IP via DHCP but there was still high packet loss when transmitting data. Update the TX delay to 2ns - which is the same value that u-boot and the vendor kernel use - to fix the packet loss when transmitting data. Fixes: 35ee52bea66c74 ("ARM: dts: meson8m2: add support for the Tronsmart MXIII Plus") Signed-off-by: Martin Blumenstingl --- arch/arm/boot/dts/meson8m2-mxiii-plus.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/meson8m2-mxiii-plus.dts b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts index d54477b1001c..fd94b5cbd845 100644 --- a/arch/arm/boot/dts/meson8m2-mxiii-plus.dts +++ b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts @@ -71,7 +71,7 @@ ðmac { phy-handle = <ð_phy0>; phy-mode = "rgmii"; - amlogic,tx-delay-ns = <4>; + amlogic,tx-delay-ns = <2>; mdio { compatible = "snps,dwmac-mdio"; -- 2.24.1 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic