David Laight wrote:

Since there is a discriminating field, could a union be used?
At a guess the type of the address is constrained between
produces and consumer??

I don't think we need to complicate the code by changing that variable into a
union.  I just a want a short comment added to the structure definition.  I
don't think that's asking a lot.

-- 
Timur Tabi
Linux kernel developer at Freescale