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m68knommu: move code within time.c

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This patch creates two functions do_set_rtc() and read_rtc_mmss()
based on allready available code.

Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Sebastian Siewior 2008-04-28 11:43:00 +02:00 committed by Greg Ungerer
parent 1fda83d83c
commit 0df185f5a1
1 changed files with 26 additions and 14 deletions
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40
arch/m68knommu/kernel/time.c
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@ -33,22 +33,11 @@ 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
*/
irqreturn_t arch_timer_interrupt(int irq, void *dummy)
static inline void do_set_rtc(void)
{
/* last time the cmos clock got updated */
static long last_rtc_update=0;
if (current->pid)
profile_tick(CPU_PROFILING);
write_seqlock(&xtime_lock);
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
@ -63,6 +52,23 @@ irqreturn_t arch_timer_interrupt(int irq, void *dummy)
else
last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */
}
}
/*
* timer_interrupt() needs to keep up the real-time clock,
* as well as call the "do_timer()" routine every clocktick
*/
irqreturn_t arch_timer_interrupt(int irq, void *dummy)
{
if (current->pid)
profile_tick(CPU_PROFILING);
write_seqlock(&xtime_lock);
do_timer(1);
do_set_rtc();
write_sequnlock(&xtime_lock);
@ -72,7 +78,7 @@ irqreturn_t arch_timer_interrupt(int irq, void *dummy)
return(IRQ_HANDLED);
}
void time_init(void)
static unsigned long read_rtc_mmss(void)
{
unsigned int year, mon, day, hour, min, sec;
@ -83,7 +89,13 @@ void time_init(void)
if ((year += 1900) < 1970)
year += 100;
xtime.tv_sec = mktime(year, mon, day, hour, min, sec);
return mktime(year, mon, day, hour, min, sec);;
}
void time_init(void)
{
xtime.tv_sec = read_rtc_mmss();
xtime.tv_nsec = 0;
wall_to_monotonic.tv_sec = -xtime.tv_sec;