Hi Vivien
> @@ -646,38 +646,42 @@ static int dsa_slave_set_eee(struct net_device *dev,
> struct ethtool_eee *e)
> {
> struct dsa_slave_priv *p = netdev_priv(dev);
> struct dsa_switch *ds = p->dp->ds;
> - int ret;
> + int err = -ENODEV;
>
> - if (!ds->ops->set_eee)
> -
Even though EEE implies the port's PHY and MAC of both ends, a switch
may not need to do anything to configure the port's MAC.
This makes it impossible for the DSA layer to distinguish e.g. this case
from a disabled EEE when a driver returns 0 from the get EEE operation.
For this reason, make the
