Re: [PATCH net-next v4 02/10] net: sparx5: add the basic sparx5 driver

[Steen Hegelund]

Hi Philipp,

Thanks for your comments,

On Tue, 2021-06-15 at 15:22 +0200, Philipp Zabel wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> Hi Steen,
> 
> On Tue, 2021-06-15 at 10:50 +0200, Steen Hegelund wrote:
> > This adds the Sparx5 basic SwitchDev driver framework with IO range
> > mapping, switch device detection and core clock configuration.
> > 
> > Support for ports, phylink, netdev, mactable etc. are in the following
> > patches.
> > 
> > Signed-off-by: Steen Hegelund <steen.hegelund@xxxxxxxxxxxxx>
> > Signed-off-by: Bjarni Jonasson <bjarni.jonasson@xxxxxxxxxxxxx>
> > Signed-off-by: Lars Povlsen <lars.povlsen@xxxxxxxxxxxxx>
> [...]
> > diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
> > b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
> > new file mode 100644
> > index 000000000000..892bbbaacbd6
> > --- /dev/null
> > +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
> > @@ -0,0 +1,743 @@
> [...]
> > +static int mchp_sparx5_probe(struct platform_device *pdev)
> > +{
> [...]
> > +     /* Do switch core reset if available */
> > +     reset = devm_reset_control_get_optional_shared(&pdev->dev, "switch");
> 
> Please don't ignore errors here. For example:
> 
>         if (IS_ERR(reset))
>                 return dev_err_probe(&pdev->dev, PTR_ERR(reset),
>                                      "Failed to get reset.\n");
> 
> >       reset_control_reset(reset);

Yes, I will add an error message.

> 
> regards
> Philipp


-- 
BR
Steen

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