How to understand :interleave,numeraseregions and regions

[Jonas Holmberg]

> jonas.holmberg at axis.com said:
> >  I would like to ask the MTD people why it's necessary to have a
> > variable for device_type? Isn't it always possible to calculate the
> > device_type (buswidth / interleave)? 
>
> You can use 16-bit devices in 8-bit mode. And it matters. 

I thought that device_type==(buswidth/interleave) even in that case.
Is device type X8 or X16 if a 16-bit device is in 8-bit mode?
Buswidth must be interleave*1 bytes in that case, right?

/Jonas