Messages in this thread Patch in this message | | | From | Michael Sit Wei Hong <> | Subject | [PATCH net v2 1/2] net: stmmac: fix PHY handle parsing | Date | Tue, 14 Mar 2023 15:02:07 +0800 |
| |
phylink_fwnode_phy_connect returns 0 when set to MLO_AN_INBAND. This causes the PHY handle parsing to skip and the PHY will not be attached to the MAC.
Add additional check for PHY handle parsing when set to MLO_AN_INBAND.
Fixes: ab21cf920928 ("net: stmmac: make mdio register skips PHY scanning for fixed-link") Signed-off-by: Michael Sit Wei Hong <michael.wei.hong.sit@intel.com> Signed-off-by: Lai Peter Jun Ann <peter.jun.ann.lai@intel.com> --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 8f543c3ab5c5..398adcd68ee8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1134,6 +1134,7 @@ static void stmmac_check_pcs_mode(struct stmmac_priv *priv) static int stmmac_init_phy(struct net_device *dev) { struct stmmac_priv *priv = netdev_priv(dev); + struct fwnode_handle *fixed_node; struct fwnode_handle *fwnode; int ret; @@ -1141,13 +1142,16 @@ static int stmmac_init_phy(struct net_device *dev) if (!fwnode) fwnode = dev_fwnode(priv->device); - if (fwnode) + if (fwnode) { + fixed_node = fwnode_get_named_child_node(fwnode, "fixed-link"); + fwnode_handle_put(fixed_node); ret = phylink_fwnode_phy_connect(priv->phylink, fwnode, 0); + } /* Some DT bindings do not set-up the PHY handle. Let's try to * manually parse it */ - if (!fwnode || ret) { + if (!fwnode || ret || !fixed_node) { int addr = priv->plat->phy_addr; struct phy_device *phydev; -- 2.34.1
| |