>> Fixes: c3702a746ff5 ("topology/sysfs: Hide PPIN on systems that do not support it.")
>
> This is actually commit aa63a74d4535.
Doh! I looked in my tree, not in Greg's.
Doesn't matter much, Greg is going to revert as I haven't come up with a good[1]
way to fix this.
-Tony
[1] I found two bad ways. First one made Greg barf. This one breaks the build for over
50% of supported architectures :-(
