Re: [PATCHv3 net-next] net: modernize ioremap in probe

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On Sun, Nov 17, 2024 at 2:38 PM Niklas Söderlund
<niklas.soderlund@xxxxxxxxxxxx> wrote:
>
> Hello Rosen,
>
> Thanks for your work.
>
> On 2024-11-17 13:27:11 -0800, Rosen Penev wrote:
>
> > diff --git a/drivers/net/ethernet/renesas/rtsn.c
> > b/drivers/net/ethernet/renesas/rtsn.c
> > index 6b3f7fca8d15..bfe08facc707 100644
> > --- a/drivers/net/ethernet/renesas/rtsn.c
> > +++ b/drivers/net/ethernet/renesas/rtsn.c
> > @@ -1297,14 +1297,8 @@ static int rtsn_probe(struct platform_device *pdev)
> >       ndev->netdev_ops = &rtsn_netdev_ops;
> >       ndev->ethtool_ops = &rtsn_ethtool_ops;
> >
> > -     res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gptp");
> > -     if (!res) {
> > -             dev_err(&pdev->dev, "Can't find gptp resource\n");
> > -             ret = -EINVAL;
> > -             goto error_free;
> > -     }
> > -
> > -     priv->ptp_priv->addr = devm_ioremap_resource(&pdev->dev, res);
> > +     priv->ptp_priv->addr =
> > +             devm_platform_ioremap_resource_byname(pdev, "gptp");
> >       if (IS_ERR(priv->ptp_priv->addr)) {
> >               ret = PTR_ERR(priv->ptp_priv->addr);
> >               goto error_free;
>
> You have a similar construct using platform_get_resource_byname() a few
> lines above this one. Please convert both uses, or none, mixing them is
> just confusing IMHO.
that cannot be converted.

devm_platform_ioremap_resource_byname has no res parameter, which is a
problem as there's this lovely line below it.

ndev->base_addr = res->start;
>
> --
> Kind Regards,
> Niklas Söderlund





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