Re: [PATCH 1/2] pinctrl: mvebu: armada-37xx: use use platform api

[Fabio Estevam <festevam@xxxxxxxxx>]

On Wed, Dec 18, 2019 at 9:44 AM Peng Fan <peng.fan@xxxxxxx> wrote:

> -       nr_irq_parent = of_irq_count(np);
> +       nr_irq_parent = platform_irq_count(pdev);
> +       if (nr_irq_parent < 0) {
> +               if (nr_irq_parent != -EPROBE_DEFER)
> +                       dev_err(dev, "Couldn't determine irq count: %pe\n",
> +                               ERR_PTR(nr_irq_parent));

Why do you return ERR_PTR(nr_irq_parent) instead of simply nr_irq_parent?