On Tue, Jul 09, 2013 at 10:49:10PM +0100, Mark Brown wrote:
> On Tue, Jul 09, 2013 at 05:47:04PM +0200, Michal Simek wrote:
> 
> > Probably the best solution is just revert this part of patch.
> > Mark: What do you think?
> 
> We should make it so that the user does not need to supply empty
> functions if none are needed.

...though this is stuff that went to Linus in the merge window so as a
bug fix we should restore that function then for v3.12 we should do the
proper fix.