Commit 5aa563a9 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] sparc64: fix do_settimeofday() for new API

parent b1537c10
...@@ -1088,10 +1088,13 @@ static __inline__ unsigned long do_gettimeoffset(void) ...@@ -1088,10 +1088,13 @@ static __inline__ unsigned long do_gettimeoffset(void)
return (ticks * timer_ticks_per_usec_quotient) >> 30UL; return (ticks * timer_ticks_per_usec_quotient) >> 30UL;
} }
void do_settimeofday(struct timeval *tv) int do_settimeofday(struct timespec *tv)
{ {
if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
return -EINVAL;
if (this_is_starfire) if (this_is_starfire)
return; return 0;
write_seqlock_irq(&xtime_lock); write_seqlock_irq(&xtime_lock);
/* /*
...@@ -1100,17 +1103,16 @@ void do_settimeofday(struct timeval *tv) ...@@ -1100,17 +1103,16 @@ void do_settimeofday(struct timeval *tv)
* wall time. Discover what correction gettimeofday() would have * wall time. Discover what correction gettimeofday() would have
* made, and then undo it! * made, and then undo it!
*/ */
tv->tv_usec -= do_gettimeoffset(); tv->tv_nsec -= do_gettimeoffset() * 1000;
tv->tv_usec -= (jiffies - wall_jiffies) * (USEC_PER_SEC / HZ); tv->tv_nsec -= (jiffies - wall_jiffies) * (NSEC_PER_SEC / HZ);
while (tv->tv_usec < 0) { while (tv->tv_nsec < 0) {
tv->tv_usec += USEC_PER_SEC; tv->tv_nsec += NSEC_PER_SEC;
tv->tv_sec--; tv->tv_sec--;
} }
tv->tv_usec *= NSEC_PER_USEC;
wall_to_monotonic.tv_sec += xtime.tv_sec - tv->tv_sec; wall_to_monotonic.tv_sec += xtime.tv_sec - tv->tv_sec;
wall_to_monotonic.tv_nsec += xtime.tv_nsec - tv->tv_usec; wall_to_monotonic.tv_nsec += xtime.tv_nsec - tv->tv_nsec;
if (wall_to_monotonic.tv_nsec > NSEC_PER_SEC) { if (wall_to_monotonic.tv_nsec > NSEC_PER_SEC) {
wall_to_monotonic.tv_nsec -= NSEC_PER_SEC; wall_to_monotonic.tv_nsec -= NSEC_PER_SEC;
...@@ -1122,12 +1124,13 @@ void do_settimeofday(struct timeval *tv) ...@@ -1122,12 +1124,13 @@ void do_settimeofday(struct timeval *tv)
} }
xtime.tv_sec = tv->tv_sec; xtime.tv_sec = tv->tv_sec;
xtime.tv_nsec = tv->tv_usec; xtime.tv_nsec = tv->tv_nsec;
time_adjust = 0; /* stop active adjtime() */ time_adjust = 0; /* stop active adjtime() */
time_status |= STA_UNSYNC; time_status |= STA_UNSYNC;
time_maxerror = NTP_PHASE_LIMIT; time_maxerror = NTP_PHASE_LIMIT;
time_esterror = NTP_PHASE_LIMIT; time_esterror = NTP_PHASE_LIMIT;
write_sequnlock_irq(&xtime_lock); write_sequnlock_irq(&xtime_lock);
return 0;
} }
/* Ok, my cute asm atomicity trick doesn't work anymore. /* Ok, my cute asm atomicity trick doesn't work anymore.
......
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