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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 17:10:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 17:10:06 -0700
commit7d02093e29de9efc4a72d5e93baae9506969b789 (patch)
treea6fc2450132ae419934f6eb9d223baa338b7d782 /arch/frv/kernel
parent6e0b7b2c39b91b467270dd0bc383914f99e1fb28 (diff)
parente9ddbc075d95b2edf111247cdde16f33c31654a8 (diff)
downloadlinux-7d02093e29de9efc4a72d5e93baae9506969b789.tar.gz
Merge branch 'timers-for-linus-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: avr32: Fix typo in read_persistent_clock() sparc: Convert sparc to use read/update_persistent_clock cris: Convert cris to use read/update_persistent_clock m68k: Convert m68k to use read/update_persistent_clock m32r: Convert m32r to use read/update_peristent_clock blackfin: Convert blackfin to use read/update_persistent_clock ia64: Convert ia64 to use read/update_persistent_clock avr32: Convert avr32 to use read/update_persistent_clock h8300: Convert h8300 to use read/update_persistent_clock frv: Convert frv to use read/update_persistent_clock mn10300: Convert mn10300 to use read/update_persistent_clock alpha: Convert alpha to use read/update_persistent_clock xtensa: Fix unnecessary setting of xtime time: Clean up direct xtime usage in xen
Diffstat (limited to 'arch/frv/kernel')
-rw-r--r--arch/frv/kernel/time.c34
1 files changed, 7 insertions, 27 deletions
diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c
index fb0ce757722..0ddbbae83cb 100644
--- a/arch/frv/kernel/time.c
+++ b/arch/frv/kernel/time.c
@@ -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
@@ -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++;
@@ -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;
@@ -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);