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---
r: 192218
b: refs/heads/master
c: 739b271
h: refs/heads/master
v: v3
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John Stultz authored and Thomas Gleixner committed Mar 13, 2010
1 parent 8bac0a9 commit b78ebe6
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Showing 2 changed files with 8 additions and 28 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: f7a56575fa4e62e94a644f72ef8c5d423c073982
refs/heads/master: 739b27116a0e6903d6c85d6769e69f43d8fa4128
34 changes: 7 additions & 27 deletions trunk/arch/frv/kernel/time.c
Original file line number Diff line number Diff line change
Expand Up @@ -48,20 +48,12 @@ static struct irqaction timer_irq = {
.name = "timer",
};

static inline int set_rtc_mmss(unsigned long nowtime)
{
return -1;
}

/*
* timer_interrupt() needs to keep up the real-time clock,
* as well as call the "do_timer()" routine every clocktick
*/
static irqreturn_t timer_interrupt(int irq, void *dummy)
{
/* last time the cmos clock got updated */
static long last_rtc_update = 0;

profile_tick(CPU_PROFILING);
/*
* Here we are in the timer irq handler. We just have irqs locally
Expand All @@ -74,22 +66,6 @@ static irqreturn_t timer_interrupt(int irq, void *dummy)

do_timer(1);

/*
* If we have an externally synchronized Linux clock, then update
* CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be
* called as close as possible to 500 ms before the new second starts.
*/
if (ntp_synced() &&
xtime.tv_sec > last_rtc_update + 660 &&
(xtime.tv_nsec / 1000) >= 500000 - ((unsigned) TICK_SIZE) / 2 &&
(xtime.tv_nsec / 1000) <= 500000 + ((unsigned) TICK_SIZE) / 2
) {
if (set_rtc_mmss(xtime.tv_sec) == 0)
last_rtc_update = xtime.tv_sec;
else
last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */
}

#ifdef CONFIG_HEARTBEAT
static unsigned short n;
n++;
Expand Down Expand Up @@ -119,7 +95,8 @@ void time_divisor_init(void)
__set_TCSR_DATA(0, base >> 8);
}

void time_init(void)

void read_persistent_clock(struct timespec *ts)
{
unsigned int year, mon, day, hour, min, sec;

Expand All @@ -135,9 +112,12 @@ void time_init(void)

if ((year += 1900) < 1970)
year += 100;
xtime.tv_sec = mktime(year, mon, day, hour, min, sec);
xtime.tv_nsec = 0;
ts->tv_sec = mktime(year, mon, day, hour, min, sec);
ts->tv_nsec = 0;
}

void time_init(void)
{
/* install scheduling interrupt handler */
setup_irq(IRQ_CPU_TIMER0, &timer_irq);

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