Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog

[pandora-kernel.git] / arch / cris / kernel / time.c

diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c
index ff4c6aa..a05dd31 100644 (file)
--- a/arch/cris/kernel/time.c
+++ b/arch/cris/kernel/time.c
@@ -42,75 +42,11 @@ unsigned long loops_per_usec;
 extern unsigned long do_slow_gettimeoffset(void);
 static unsigned long (*do_gettimeoffset)(void) = do_slow_gettimeoffset;
 
-/*
- * This version of gettimeofday has near microsecond resolution.
- *
- * Note: Division is quite slow on CRIS and do_gettimeofday is called
- *       rather often. Maybe we should do some kind of approximation here
- *       (a naive approximation would be to divide by 1024).
- */
-void do_gettimeofday(struct timeval *tv)
-{
-       unsigned long flags;
-       signed long usec, sec;
-       local_irq_save(flags);
-       usec = do_gettimeoffset();
-
-        /*
-        * If time_adjust is negative then NTP is slowing the clock
-        * so make sure not to go into next possible interval.
-        * Better to lose some accuracy than have time go backwards..
-        */
-       if (unlikely(time_adjust < 0) && usec > tickadj)
-               usec = tickadj;
-
-       sec = xtime.tv_sec;
-       usec += xtime.tv_nsec / 1000;
-       local_irq_restore(flags);
-
-       while (usec >= 1000000) {
-               usec -= 1000000;
-               sec++;
-       }
-
-       tv->tv_sec = sec;
-       tv->tv_usec = usec;
-}
-
-EXPORT_SYMBOL(do_gettimeofday);
-
-int do_settimeofday(struct timespec *tv)
+u32 arch_gettimeoffset(void)
 {
-       time_t wtm_sec, sec = tv->tv_sec;
-       long wtm_nsec, nsec = tv->tv_nsec;
-
-       if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
-               return -EINVAL;
-
-       write_seqlock_irq(&xtime_lock);
-       /*
-        * This is revolting. We need to set "xtime" correctly. However, the
-        * value in this location is the value at the most recent update of
-        * wall time.  Discover what correction gettimeofday() would have
-        * made, and then undo it!
-        */
-       nsec -= do_gettimeoffset() * NSEC_PER_USEC;
-
-       wtm_sec  = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec);
-       wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec);
-
-       set_normalized_timespec(&xtime, sec, nsec);
-       set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec);
-
-       ntp_clear();
-       write_sequnlock_irq(&xtime_lock);
-       clock_was_set();
-       return 0;
+       return do_gettimeoffset() * 1000;
 }
 
-EXPORT_SYMBOL(do_settimeofday);
-
-
 /*
  * BUG: This routine does not handle hour overflow properly; it just
  *      sets the minutes. Usually you'll only notice that after reboot!
@@ -127,7 +63,7 @@ int set_rtc_mmss(unsigned long nowtime)
                return 0;
 
        cmos_minutes = CMOS_READ(RTC_MINUTES);
-       BCD_TO_BIN(cmos_minutes);
+       cmos_minutes = bcd2bin(cmos_minutes);
 
        /*
         * since we're only adjusting minutes and seconds,
@@ -142,8 +78,8 @@ int set_rtc_mmss(unsigned long nowtime)
        real_minutes %= 60;
 
        if (abs(real_minutes - cmos_minutes) < 30) {
-               BIN_TO_BCD(real_seconds);
-               BIN_TO_BCD(real_minutes);
+               real_seconds = bin2bcd(real_seconds);
+               real_minutes = bin2bcd(real_minutes);
                CMOS_WRITE(real_seconds,RTC_SECONDS);
                CMOS_WRITE(real_minutes,RTC_MINUTES);
        } else {
@@ -170,12 +106,12 @@ get_cmos_time(void)
        mon = CMOS_READ(RTC_MONTH);
        year = CMOS_READ(RTC_YEAR);
 
-       BCD_TO_BIN(sec);
-       BCD_TO_BIN(min);
-       BCD_TO_BIN(hour);
-       BCD_TO_BIN(day);
-       BCD_TO_BIN(mon);
-       BCD_TO_BIN(year);
+       sec = bcd2bin(sec);
+       min = bcd2bin(min);
+       hour = bcd2bin(hour);
+       day = bcd2bin(day);
+       mon = bcd2bin(mon);
+       year = bcd2bin(year);
 
        if ((year += 1900) < 1970)
                year += 100;