[U-Boot] [PATCH] net: designware: remove mdio bus on probe failure

[Joe Hershberger]

On Fri, Jul 12, 2019 at 2:07 PM Simon Goldschmidt
<simon.k.r.goldschmidt at gmail.com> wrote:
>
> The designware eth driver registers an mdio bus during probe, but if no
> PHY is found, this bus is never removed although probe failes and the
> driver is shown as not probed in the dm tree.
>
> This later leads to errors when e.g. the mii or mdio commands try to
> use available mdio buses because the mdio bus is still registered but
> all corresponding data structures are invalid because probe failed.
>
> Fix this by unregistering the mdio bus on probe failure (just as it is
> unregistered in the .remove callback, too).
>
> Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>

Acked-by: Joe Hershberger <joe.hershberger at ni.com>