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yaml
---
r: 54252
b: refs/heads/master
c: aeecf31
h: refs/heads/master
v: v3
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john stultz authored and Linus Torvalds committed May 7, 2007
1 parent ed0adcf commit c8c3605
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Showing 3 changed files with 5 additions and 53 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a5f6abd4f7558fea97bc4021fd0eb7dcc5d16a77
refs/heads/master: aeecf3142d82414d511135cc85f86caddfb58338
4 changes: 4 additions & 0 deletions trunk/arch/h8300/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,10 @@ config GENERIC_CALIBRATE_DELAY
bool
default y

config GENERIC_TIME
bool
default y

config TIME_LOW_RES
bool
default y
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52 changes: 0 additions & 52 deletions trunk/arch/h8300/kernel/time.c
Original file line number Diff line number Diff line change
Expand Up @@ -66,55 +66,3 @@ void time_init(void)

platform_timer_setup(timer_interrupt);
}

/*
* This version of gettimeofday has near microsecond resolution.
*/
void do_gettimeofday(struct timeval *tv)
{
unsigned long flags;
unsigned long usec, sec;

read_lock_irqsave(&xtime_lock, flags);
usec = 0;
sec = xtime.tv_sec;
usec += (xtime.tv_nsec / 1000);
read_unlock_irqrestore(&xtime_lock, flags);

while (usec >= 1000000) {
usec -= 1000000;
sec++;
}

tv->tv_sec = sec;
tv->tv_usec = usec;
}

EXPORT_SYMBOL(do_gettimeofday);

int do_settimeofday(struct timespec *tv)
{
if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
return -EINVAL;

write_lock_irq(&xtime_lock);
/* This is revolting. We need to set the xtime.tv_usec
* correctly. However, the value in this location is
* is value at the last tick.
* Discover what correction gettimeofday
* would have done, and then undo it!
*/
while (tv->tv_nsec < 0) {
tv->tv_nsec += NSEC_PER_SEC;
tv->tv_sec--;
}

xtime.tv_sec = tv->tv_sec;
xtime.tv_nsec = tv->tv_nsec;
ntp_clear();
write_sequnlock_irq(&xtime_lock);
clock_was_set();
return 0;
}

EXPORT_SYMBOL(do_settimeofday);

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