timespec_sub      133 include/linux/pps_kernel.h 	ts->ts_real = timespec_sub(ts->ts_real, delta);
timespec_sub      135 include/linux/pps_kernel.h 	ts->ts_raw = timespec_sub(ts->ts_raw, delta);
timespec_sub       51 include/linux/time64.h # define timespec64_sub			timespec_sub