[U-Boot] [PATCH] eth: asix88179: Reset device during probe with DM_ETH enabled

[Nikolaus Schulz]

On Mon, Sep 05, 2016 at 07:04:49PM -0600, Simon Glass wrote:
> On 30 August 2016 at 08:01, Nikolaus Schulz
> <nikolaus.schulz at avionic-design.de> wrote:
> > With the ethernet driver model enabled, reset the device before reading
> > the MAC address, just like it's done for the non-device-model code path.
> > This avoids a timeout when the interface is first used.
> >
> > Signed-off-by: Nikolaus Schulz <nikolaus.schulz at avionic-design.de>
> > ---
> >  drivers/usb/eth/asix88179.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> > diff --git a/drivers/usb/eth/asix88179.c b/drivers/usb/eth/asix88179.c
> > index 7548269..0725940 100644
> > --- a/drivers/usb/eth/asix88179.c
> > +++ b/drivers/usb/eth/asix88179.c
> > @@ -878,6 +878,10 @@ static int ax88179_eth_probe(struct udevice *dev)
> >         usb_dev = priv->ueth.pusb_dev;
> >         priv->maxpacketsize = usb_dev->epmaxpacketout[AX_ENDPOINT_OUT];
> >
> > +       ret = asix_basic_reset(&priv->ueth, priv);
> > +       if (ret)
> > +               return ret;
> > +
> >         /* Get the MAC address */
> >         ret = asix_read_mac(&priv->ueth, pdata->enetaddr);
> >         if (ret)
> 
> How come this doesn't happen in ax88179_eth_start()?

In fact I first had put it there, but that was basically killing the
ethernet. And having it in the probe function matches the non-DM code
path, which has it in ax88179_eth_get_info.

Nikolaus