Re: [PATCH v2 1/3] pinctrl: cherryview: Don't use pin/offset 0 to mark an interrupt line as unused

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On Thu, Nov 18, 2021 at 01:26:28PM +0200, Andy Shevchenko wrote:
> On Thu, Nov 18, 2021 at 11:56:48AM +0100, Hans de Goede wrote:
> > Offset/pin 0 is a perfectly valid offset, so stop using it to have
> > the special meaning of interrupt line not used in the intr_lines.
> > 
> > Instead introduce a new special INTR_LINE_UNUSED value which is never
> > a valid offset and use that to indicate unused interrupt lines.
> 
> ...
> 
> > +#define INTR_LINE_UNUSED		U32_MAX
> 
> Funny, I have had something similar in my local branch for a few years ;-)
> 
> +#define CHV_INVALID_HWIRQ      ((unsigned int)INVALID_HWIRQ)

I will rename this when applying. I assume there is no objection on doing it.

-- 
With Best Regards,
Andy Shevchenko





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