Hi Mauro,

> That entire use of _P, _R and _ri looks weird into my eyes. The code there

Yes.

> do things like:
> 
> #define _P 32
> 
> ...
> 
>         if (_P == 64)
>                 reg1[1] |= 0x40;

Yup, I saw this, too, but didn't feel like refactoring the driver.
Thanks for stepping up!

> I'll work on a patch to address it.

OK, so that means I should send my pull request after yours in the next
merge window? To avoid the build breakage?

Kind regards,

   Wolfram