read_persistent_clock(&b);
 
                c = timespec_sub(b, a);
-               act_lat = timespec_to_ns(&c) * NSEC_PER_USEC;
+               act_lat = timespec_to_ns(&c) / NSEC_PER_USEC;
 
                pr_debug("omap_device: %s: pm_lat %d: activate: elapsed time "
                         "%llu usec\n", od->pdev.name, od->pm_lat_level,
                read_persistent_clock(&b);
 
                c = timespec_sub(b, a);
-               deact_lat = timespec_to_ns(&c) * NSEC_PER_USEC;
+               deact_lat = timespec_to_ns(&c) / NSEC_PER_USEC;
 
                pr_debug("omap_device: %s: pm_lat %d: deactivate: elapsed time "
                         "%llu usec\n", od->pdev.name, od->pm_lat_level,