Commit f441b489cc66 for kernel

commit f441b489cc66fbc44d78b6c123e74283b8077431
Author: Daniel Golle <daniel@makrotopia.org>
Date:   Tue Mar 10 00:41:56 2026 +0000

    net: dsa: mxl862xx: don't set user_mii_bus

    The PHY addresses in the MII bus are not equal to the port addresses,
    so the bus cannot be assigned as user_mii_bus. Falling back on the
    user_mii_bus in case a PHY isn't declared in device tree will result in
    using the wrong (in this case: off-by-+1) PHY.
    Remove the wrong assignment.

    Fixes: 23794bec1cb60 ("net: dsa: add basic initial driver for MxL862xx switches")
    Suggested-by: Vladimir Oltean <olteanv@gmail.com>
    Signed-off-by: Daniel Golle <daniel@makrotopia.org>
    Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
    Link: https://patch.msgid.link/0f0df310fd8cab57e0e5e3d0831dd057fd05bcd5.1773103271.git.daniel@makrotopia.org
    Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/dsa/mxl862xx/mxl862xx.c b/drivers/net/dsa/mxl862xx/mxl862xx.c
index b1e2094b5816..d7ab04f5afef 100644
--- a/drivers/net/dsa/mxl862xx/mxl862xx.c
+++ b/drivers/net/dsa/mxl862xx/mxl862xx.c
@@ -149,7 +149,6 @@ static int mxl862xx_setup_mdio(struct dsa_switch *ds)
 		return -ENOMEM;

 	bus->priv = priv;
-	ds->user_mii_bus = bus;
 	bus->name = KBUILD_MODNAME "-mii";
 	snprintf(bus->id, MII_BUS_ID_SIZE, "%s-mii", dev_name(dev));
 	bus->read_c45 = mxl862xx_phy_read_c45_mii_bus;