div_u64() can be either a inline function or a define, but in either
case it's safe to provide expressions as parameters without outer ()
around them.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>