netdev - [PATCH net-next] net: sfp: allow use 2500base-X for 2500base-T modules

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Message-Id: <E1s15rv-00AHyk-5S@rmk-PC.armlinux.org.uk>
Date: Sun, 28 Apr 2024 15:51:07 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org
Subject: [PATCH net-next] net: sfp: allow use 2500base-X for 2500base-T
 modules

Allow use of 2500base-X interface mode for PHY modules that support
2500base-T.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 drivers/net/phy/sfp-bus.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index 413021619afe..c6e3baf00f23 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c
@@ -373,7 +373,8 @@ phy_interface_t sfp_select_interface(struct sfp_bus *bus,
 	if (phylink_test(link_modes, 5000baseT_Full))
 		return PHY_INTERFACE_MODE_5GBASER;
 
-	if (phylink_test(link_modes, 2500baseX_Full))
+	if (phylink_test(link_modes, 2500baseX_Full) ||
+	    phylink_test(link_modes, 2500baseT_Full))
 		return PHY_INTERFACE_MODE_2500BASEX;
 
 	if (phylink_test(link_modes, 1000baseT_Half) ||
-- 
2.30.2