Re: [PATCH 12/13] regulator: add pm8008 pmic regulator driver

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> On Thu, May 09, 2024 at 03:07:02PM +0300, Andy Shevchenko wrote:
> > Wed, May 08, 2024 at 10:37:50PM +0000, Stephen Boyd kirjoitti:
> > > Quoting Johan Hovold (2024-05-06 08:08:29)
> > 
> > ...
> > 
> > > > +               BUILD_BUG_ON((ARRAY_SIZE(pldo_ranges) != 1) ||
> > > 
> > > This should be an && not || right?
> > 
> > > > +                               (ARRAY_SIZE(nldo_ranges) != 1));
> > 
> > In any case BUILD_BUG_ON() is not encouraged for such cases, it would be much
> > better to have a static_assert() near to one of those arrays.
> 
> I think the reason it is placed here is that the above line reads:
> 
> 	rdesc->n_linear_ranges = 1;
> 
> and that would need to change if anyone expands the arrays.

Correct. static_assert() cannot be used in the middle of code here, it can only be used at the declarations part which doesn't serve the purpose.
So, BUILD_BUG_ON is the only way to go here.




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