2024-01-24 05:01:43 +00:00
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From a444877c10a665cd8a869e6d37facdb89fd95f79 Mon Sep 17 00:00:00 2001
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Message-ID: <a444877c10a665cd8a869e6d37facdb89fd95f79.1706070008.git.daniel@makrotopia.org>
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Wed, 24 Jan 2024 04:17:11 +0000
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Subject: [PATCH net] net: dsa: mt7530: fix 10M/100M speed on MT7988 switch
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To: Arınç ÜNAL <arinc.unal@arinc9.com>,
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Daniel Golle <daniel@makrotopia.org>,
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DENG Qingfang <dqfext@gmail.com>,
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Sean Wang <sean.wang@mediatek.com>,
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Andrew Lunn <andrew@lunn.ch>,
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Florian Fainelli <f.fainelli@gmail.com>,
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Vladimir Oltean <olteanv@gmail.com>,
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David S. Miller <davem@davemloft.net>,
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Eric Dumazet <edumazet@google.com>,
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Jakub Kicinski <kuba@kernel.org>,
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Paolo Abeni <pabeni@redhat.com>,
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Matthias Brugger <matthias.bgg@gmail.com>,
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AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
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netdev@vger.kernel.org,
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linux-kernel@vger.kernel.org,
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linux-arm-kernel@lists.infradead.org,
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linux-mediatek@lists.infradead.org
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Setup PMCR port register for actual speed and duplex on internally
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connected PHYs of the MT7988 built-in switch. This fixes links with
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speeds other than 1000M.
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Fixes: ("110c18bfed414 net: dsa: mt7530: introduce driver for MT7988 built-in switch")
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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---
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drivers/net/dsa/mt7530.c | 3 +--
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1 file changed, 1 insertion(+), 2 deletions(-)
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--- a/drivers/net/dsa/mt7530.c
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+++ b/drivers/net/dsa/mt7530.c
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2024-03-29 14:45:50 +00:00
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@@ -2877,8 +2877,7 @@ static void mt753x_phylink_mac_link_up(s
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2024-01-24 05:01:43 +00:00
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/* MT753x MAC works in 1G full duplex mode for all up-clocked
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* variants.
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*/
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- if (interface == PHY_INTERFACE_MODE_INTERNAL ||
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- interface == PHY_INTERFACE_MODE_TRGMII ||
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+ if (interface == PHY_INTERFACE_MODE_TRGMII ||
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(phy_interface_mode_is_8023z(interface))) {
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speed = SPEED_1000;
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duplex = DUPLEX_FULL;
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