Re: [PATCH v2 5/6] pwm: lpss: Add pwm_lpss_probe() stub

[Andy Shevchenko]

On Thu, Nov 10, 2022 at 9:38 AM Uwe Kleine-König
<u.kleine-koenig@xxxxxxxxxxxxxx> wrote:
> On Tue, Nov 08, 2022 at 04:22:25PM +0200, Andy Shevchenko wrote:
> > In case the PWM LPSS module is not provided, allow users to be
> > compiled with a help of a pwm_lpss_probe() stub.

...

> > +static inline
> > +struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, void __iomem *base,
> > +                                  const struct pwm_lpss_boardinfo *info)
> > +{
> > +     return ERR_PTR(-ENODEV);
>
> Would it be more consistent to return the same value as the pwmchip_add
> stub does?

Then I will lose the ability to distinguish between absent driver (or
device) and actual error during the probing of it. Any suggestions on
how to do that better?

-- 
With Best Regards,
Andy Shevchenko