Re: [PATCH v10 10/15] spi: dw: Add support for AMD Pensando Elba SoC

[Andy Shevchenko <andy.shevchenko@xxxxxxxxx>]

On Mon, Mar 6, 2023 at 6:00 PM Serge Semin <fancer.lancer@xxxxxxxxx> wrote:
> On Sun, Mar 05, 2023 at 08:07:34PM -0800, Brad Larson wrote:

...

> > -     node = of_parse_phandle(np, syscon_name, 0);
>
>         node = of_parse_phandle(dev_of_node(pdev->dev), syscon_name, 0);

Side note: I would rather see syscon_fwnode_to_regmap() instead of
this. And IIRC syscon already has an API to find by name.

> > +     if (!node)
>
> > +             return dev_err_probe(&pdev->dev, -ENODEV, "failed to find %s\n",
> > +                                  syscon_name);
>
> Hm, using dev_err_probe() with known error value seems overkill.

It's allowed use and it helps to drop a few unnecessary lines of code.

> > +     syscon = syscon_node_to_regmap(node);
> > +     if (IS_ERR(syscon))
> > +             return dev_err_probe(&pdev->dev, PTR_ERR(syscon),
> > +                                  "syscon regmap lookup failed\n");

-- 
With Best Regards,
Andy Shevchenko