Subject: [PATCH v3 1/9] ethernet: add sun8i-emac driver

From: [email-masked] (LABBE Corentin)
Date: Tue, 13 Sep 2016 15:33:01 +0200

On Fri, Sep 09, 2016 at 04:15:27PM +0200, Andrew Lunn wrote:
> Hi Corentin
> 
> > +static int sun8i_emac_mdio_register(struct net_device *ndev)
> > +{
> > +	struct sun8i_emac_priv *priv = netdev_priv(ndev);
> > +	struct mii_bus *bus;
> > +	int ret;
> > +
> > +	bus = mdiobus_alloc();
> 
> You can use devm_mdiobus_alloc() which will simplify your error
> handling and unregister code.
> 
> 	 Andrew

Hello

Since the mdio bus is allocated on ndev/open, it need to be removed when ndev/stop is called.
So devm_mdiobus_alloc cannot be used.

Regards

Corentin Labbe