1 files changed, 15 insertions, 41 deletions

diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c
index ed588d73d7d..b457de496b7 100644
--- a/arch/frv/kernel/time.c
+++ b/arch/frv/kernel/time.c
@@ -43,51 +43,20 @@ unsigned long __delay_loops_MHz;
 static irqreturn_t timer_interrupt(int irq, void *dummy);
 
 static struct irqaction timer_irq  = {
-	timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL
+	.handler = timer_interrupt,
+	.flags = IRQF_DISABLED,
+	.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
+ * as well as call the "xtime_update()" 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;
-
-	/*
-	 * Here we are in the timer irq handler. We just have irqs locally
-	 * disabled but we don't know if the timer_bh is running on the other
-	 * CPU. We need to avoid to SMP race with it. NOTE: we don' t need
-	 * the irq version of write_lock because as just said we have irq
-	 * locally disabled. -arca
-	 */
-	write_seqlock(&xtime_lock);
-
-	do_timer(1);
-	update_process_times(user_mode(get_irq_regs()));
 	profile_tick(CPU_PROFILING);
 
-	/*
-	 * 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 */
-	}
+	xtime_update(1);
 
 #ifdef CONFIG_HEARTBEAT
 	static unsigned short n;
@@ -95,7 +64,8 @@ static irqreturn_t timer_interrupt(int irq, void *dummy)
 	__set_LEDS(n);
 #endif /* CONFIG_HEARTBEAT */
 
-	write_sequnlock(&xtime_lock);
+	update_process_times(user_mode(get_irq_regs()));
+
 	return IRQ_HANDLED;
 }
 
@@ -115,7 +85,8 @@ 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;
 
@@ -123,7 +94,7 @@ void time_init(void)
 
 	/* FIX by dqg : Set to zero for platforms that don't have tod */
 	/* without this time is undefined and can overflow time_t, causing  */
-	/* very stange errors */
+	/* very strange errors */
 	year = 1980;
 	mon = day = 1;
 	hour = min = sec = 0;
@@ -131,9 +102,12 @@ 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);