[S390] Cleanup xtime usage
John Stultz [Mon, 8 Mar 2010 11:25:19 +0000 (12:25 +0100)]
This replaces direct xtime usage in the s390 arch with timekeeping accessors,
so we can further clean up the timekeeping core.

Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/kernel/time.c

index a8f93f1..8b22e7f 100644 (file)
@@ -73,15 +73,15 @@ unsigned long long monotonic_clock(void)
 }
 EXPORT_SYMBOL(monotonic_clock);
 
-void tod_to_timeval(__u64 todval, struct timespec *xtime)
+void tod_to_timeval(__u64 todval, struct timespec *xt)
 {
        unsigned long long sec;
 
        sec = todval >> 12;
        do_div(sec, 1000000);
-       xtime->tv_sec = sec;
+       xt->tv_sec = sec;
        todval -= (sec * 1000000) << 12;
-       xtime->tv_nsec = ((todval * 1000) >> 12);
+       xt->tv_nsec = ((todval * 1000) >> 12);
 }
 EXPORT_SYMBOL(tod_to_timeval);
 
@@ -216,8 +216,8 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
        ++vdso_data->tb_update_count;
        smp_wmb();
        vdso_data->xtime_tod_stamp = clock->cycle_last;
-       vdso_data->xtime_clock_sec = xtime.tv_sec;
-       vdso_data->xtime_clock_nsec = xtime.tv_nsec;
+       vdso_data->xtime_clock_sec = wall_time->tv_sec;
+       vdso_data->xtime_clock_nsec = wall_time->tv_nsec;
        vdso_data->wtom_clock_sec = wall_to_monotonic.tv_sec;
        vdso_data->wtom_clock_nsec = wall_to_monotonic.tv_nsec;
        smp_wmb();