Thread (20 messages) 20 messages, 4 authors, 2026-02-13

Re: [PATCH net-next v5 01/13] net: phy: initialize the port support based on the PHY's for OF ports

From: "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
Date: 2026-02-11 09:36:42
Also in: lkml


Le 05/02/2026 à 10:23, Maxime Chevallier a écrit :
With the phy_port infrastructure came an ethernet-connector binding,
allowing to represent the MDI of a PHY in devicetree. This allows
specifying the mediums and pairs of a port.

Let's initialize the port's supported list based on what the PHY
reports, so that we can then filter it with what the connector allows
using.

Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
quoted hunk ↗ jump to hunk
---
  drivers/net/phy/phy_device.c | 3 +++
  1 file changed, 3 insertions(+)
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 8a3eb1839a3d..9b8eaac63b90 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -3499,6 +3499,9 @@ static int of_phy_ports(struct phy_device *phydev)
  
  		port->parent_type = PHY_PORT_PHY;
  		port->phy = phydev;
+
+		linkmode_copy(port->supported, phydev->supported);
+
  		err = phy_add_port(phydev, port);
  		if (err) {
  			phy_port_destroy(port);
  
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