Re: [PATCH net-next] net: gianfar: use alloc_ethdev_mqs

From: Andrew Lunn

Date: Tue Apr 28 2026 - 20:42:38 EST


> > > + *pdev = alloc_etherdev_mqs(sizeof(*priv), num_tx_qs, num_rx_qs);
> > > dev = *pdev;
> > > if (NULL == dev)
> > > return -ENOMEM;
> > > @@ -679,10 +679,6 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev)
> > >
> > > priv->mode = mode;
> > >
> > > - priv->num_tx_queues = num_tx_qs;
> > > - netif_set_real_num_rx_queues(dev, num_rx_qs);
> > > - priv->num_rx_queues = num_rx_qs;
> >
> > Please add to the commit message an explanation of why these two
> > assignments can be removed, because it is not obvious.
> I didn't explain that _mqs sets them?

How can alloc_etherdev_mqs() set them? priv is opaque to the core. All
the core knows is the size of struct gfar_private, but nothing about
its layout, where num_tx_queues and num_rx_queues are within priv.

Andrew