Re: [PATCH v4 05/11] pwm: pwm-tiecap: pinctrl support

[Thierry Reding]

On Fri, Nov 23, 2012 at 10:34:02AM +0000, Philip, Avinash wrote:
> On Fri, Nov 23, 2012 at 02:29:44, Thierry Reding wrote:
> > On Wed, Nov 21, 2012 at 06:41:02PM +0530, Philip, Avinash wrote:
> > [...]
> > > +	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
> > > +	if (IS_ERR(pinctrl))
> > > +		dev_warn(&pdev->dev, "failed to configure pins from driver\n");
> > 
> > I think we already discussed this, but shouldn't this be a fatal error?
> 
> I had checked relevant discussion and found this can be warning message.
> This is because most boards don't have pinctrl implemented at this point,
> or may never have.
> 
> https://lkml.org/lkml/2012/9/11/369
> 
> Any way I will change to
> dev_warn(&pdev->dev, "unable to select pin group\n");
> as in other drivers.

But in case pinctrl isn't implemented, shouldn't the implementation of
devm_pinctrl_get_select_default() just be a no-op?

Thierry

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