[S390] correct ktime to tod clock comparator conversion
[linux-2.6.git] / arch / s390 / kernel / time.c
index fa02f44..14da278 100644 (file)
@@ -113,11 +113,14 @@ static void fixup_clock_comparator(unsigned long long delta)
 static int s390_next_ktime(ktime_t expires,
                           struct clock_event_device *evt)
 {
+       struct timespec ts;
        u64 nsecs;
 
-       nsecs = ktime_to_ns(ktime_sub(expires, ktime_get_monotonic_offset()));
+       ts.tv_sec = ts.tv_nsec = 0;
+       monotonic_to_bootbased(&ts);
+       nsecs = ktime_to_ns(ktime_add(timespec_to_ktime(ts), expires));
        do_div(nsecs, 125);
-       S390_lowcore.clock_comparator = TOD_UNIX_EPOCH + (nsecs << 9);
+       S390_lowcore.clock_comparator = sched_clock_base_cc + (nsecs << 9);
        set_clock_comparator(S390_lowcore.clock_comparator);
        return 0;
 }