net: phy: initialize the port support based on the PHY's for OF ports

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>
Link: https://patch.msgid.link/20260205092317.755906-2-maxime.chevallier@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 8a3eb18..9b8eaac 100644 (file)
--- 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);