Tested patch series on ia64 successfully.

Tested-by: Tony Luck <tony.luck@intel.com>

After this goes upstream, you should submit a patch to get rid of
all uses of %pF (70 instances in 35 files) and %pf (63 in 34)

Perhaps break the patch by top-level directory (e.g. get all the %pF
and %pF in the 17 files under drivers/ in one patch).

-Tony