linux-kernel - [PATCH net-next 13/15] net: dsa: mt7530: add support for 10G link modes for CPU port

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Message-ID: <89ef48606fdbe896705a57a65a85c22cae01936e.1680180959.git.daniel@makrotopia.org>
Date:   Thu, 30 Mar 2023 16:23:26 +0100
From:   Daniel Golle <daniel@...rotopia.org>
To:     netdev@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux@...linux.org.uk,
        linux-kernel@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Arınç Ünal <arinc.unal@...nc9.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     Sam Shih <Sam.Shih@...iatek.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        John Crispin <john@...ozen.org>, Felix Fietkau <nbd@....name>
Subject: [PATCH net-next 13/15] net: dsa: mt7530: add support for 10G link
 modes for CPU port

The built-in switch of the MT7988 SoC is internally connected using
a stateless 10G link. Add support for 10G interface modes to silence
a warning otherwise occurring when the switch driver is setup.

Reviewed-by: Andrew Lunn <andrew@...n.ch>
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
 drivers/net/dsa/mt7530.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 3a4682e71e746..ac666da2d10dc 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2618,6 +2618,9 @@ mt7531_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
 	case PHY_INTERFACE_MODE_1000BASEX:
 	case PHY_INTERFACE_MODE_2500BASEX:
 		/* handled in SGMII PCS driver */
+	case PHY_INTERFACE_MODE_USXGMII:
+	case PHY_INTERFACE_MODE_10GKR:
+		/* internal stateless 10G link */
 		return 0;
 	default:
 		return -EINVAL;
@@ -2741,7 +2744,9 @@ static void mt753x_phylink_mac_link_up(struct dsa_switch *ds, int port,
 	 * variants.
 	 */
 	if (interface == PHY_INTERFACE_MODE_TRGMII ||
-	    (phy_interface_mode_is_8023z(interface))) {
+	    interface == PHY_INTERFACE_MODE_USXGMII ||
+	    interface == PHY_INTERFACE_MODE_10GKR ||
+	    phy_interface_mode_is_8023z(interface)) {
 		speed = SPEED_1000;
 		duplex = DUPLEX_FULL;
 	}
-- 
2.39.2