Add changes from the Linux-2.6 tree.

[linux-2.6.git] / arch / arm26 / kernel / time.c

diff --git a/arch/arm26/kernel/time.c b/arch/arm26/kernel/time.c
index 549a6b2..1206469 100644 (file)
--- a/arch/arm26/kernel/time.c
+++ b/arch/arm26/kernel/time.c
@@ -18,7 +18,6 @@
  *              "A Kernel Model for Precision Timekeeping" by Dave Mills
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
@@ -34,12 +33,6 @@
 #include <asm/irq.h>
 #include <asm/ioc.h>
 
-u64 jiffies_64 = INITIAL_JIFFIES;
-
-EXPORT_SYMBOL(jiffies_64);
-
-extern unsigned long wall_jiffies;
-
 /* this needs a better home */
 DEFINE_SPINLOCK(rtc_lock);
 
@@ -114,7 +107,7 @@ static unsigned long next_rtc_update;
  */
 static inline void do_set_rtc(void)
 {
-       if (time_status & STA_UNSYNC || set_rtc == NULL)
+       if (!ntp_synced() || set_rtc == NULL)
                return;
 
 //FIXME - timespec.tv_sec is a time_t not unsigned long
@@ -141,16 +134,11 @@ void do_gettimeofday(struct timeval *tv)
 {
        unsigned long flags;
        unsigned long seq;
-       unsigned long usec, sec, lost;
+       unsigned long usec, sec;
 
        do {
                seq = read_seqbegin_irqsave(&xtime_lock, flags);
                usec = gettimeoffset();
-
-               lost = jiffies - wall_jiffies;
-               if (lost)
-                       usec += lost * USECS_PER_JIFFY;
-
                sec = xtime.tv_sec;
                usec += xtime.tv_nsec / 1000;
        } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
@@ -179,8 +167,7 @@ int do_settimeofday(struct timespec *tv)
         * wall time.  Discover what correction gettimeofday() would have
         * done, and then undo it!
         */
-       tv->tv_nsec -= 1000 * (gettimeoffset() +
-                       (jiffies - wall_jiffies) * USECS_PER_JIFFY);
+       tv->tv_nsec -= 1000 * gettimeoffset();
 
        while (tv->tv_nsec < 0) {
                tv->tv_nsec += NSEC_PER_SEC;
@@ -189,10 +176,7 @@ int do_settimeofday(struct timespec *tv)
 
        xtime.tv_sec = tv->tv_sec;
        xtime.tv_nsec = tv->tv_nsec;
-       time_adjust = 0;                /* stop active adjtime() */
-       time_status |= STA_UNSYNC;
-       time_maxerror = NTP_PHASE_LIMIT;
-       time_esterror = NTP_PHASE_LIMIT;
+       ntp_clear();
        write_sequnlock_irq(&xtime_lock);
        clock_was_set();
        return 0;
@@ -202,7 +186,7 @@ EXPORT_SYMBOL(do_settimeofday);
 
 static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
-        do_timer(regs);
+        do_timer(1);
 #ifndef CONFIG_SMP
        update_process_times(user_mode(regs));
 #endif
@@ -213,7 +197,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static struct irqaction timer_irq = {
        .name   = "timer",
-       .flags  = SA_INTERRUPT,
+       .flags  = IRQF_DISABLED,
        .handler = timer_interrupt,
 };