[PATCH v2][POWERPC] document ipic level/sense info

[Kumar Gala]

On Jul 10, 2007, at 8:21 AM, Segher Boessenkool wrote:

>>> +Sense and level information follows the Linux convention
>>> +(specified in include/linux/interrupt.h) and should be encoded
>>> +as follows:
>>> +
>>> +       2 =  high to low edge sensitive type enabled
>>> +       8 =  active low level sensitive type enabled
>
>> ... but it is probably worthwhile commentting that sense types 1 & 4
>> are not supported; just to fill in the obvious gaps.  :-)
>
> Same for sense types 0, 3, 5, 6, ...
>
> Just name the sense types 0 and 1, similar to what all other
> OF interrupt controller bindings do.

I'm not really keen on changing the values at this point.  I think we  
are stuck with them.

- k