Re: [RFC v2] dma-mapping: Use unsigned long for dma_attrs

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On Wed, Jun 01, 2016 at 07:36:42AM +0200, Krzysztof Kozlowski wrote:
> > No really for this patch, but I would much prefer to document them next
> > to the code in the long run.  Also I really think these BIT() macros
> > are a distraction compared to the (1 << N) notation.
> 
> Not much difference to me but maybe plain number:
> ...	0x01u
> ...	0x02u
> ?

I prefer the little bit shifts, but even the explicit values are much
better than the obsfucating macros :)  Anyway, your patch and in the end
all three methods will get the work done.

> > I'd just kill this helper, much easier to simply open code it in the
> > caller.
> 
> Keeping it for now helps reducing the number of changes in the patch.
> The patch will be quite big as it has to replace all the uses atomically.
> 
> I can get rid of the helper in consecutive patch.

Sounds fine.
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