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

1 files changed, 2 insertions, 38 deletions

diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c
index b1920d8de403..1ee0e1010228 100644
--- a/arch/cris/arch-v32/kernel/time.c
+++ b/arch/cris/arch-v32/kernel/time.c
@@ -44,7 +44,6 @@ unsigned long timer_regs[NR_CPUS] =
 #endif
 };
 
-extern void update_xtime_from_cmos(void);
 extern int set_rtc_mmss(unsigned long nowtime);
 extern int have_rtc;
 
@@ -198,9 +197,6 @@ handle_watchdog_bite(struct pt_regs* regs)
 #endif
 }
 
-/* Last time the cmos clock got updated. */
-static long last_rtc_update = 0;
-
 /*
  * timer_interrupt() needs to keep up the real-time clock,
  * as well as call the "do_timer()" routine every clocktick.
@@ -238,25 +234,6 @@ timer_interrupt(int irq, void *dev_id)
 
         /* Call the real timer interrupt handler */
         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.
-         *
-         * The division here is not time critical since it will run once in
-         * 11 minutes
-         */
-        if ((time_status & STA_UNSYNC) == 0 &&
-            xtime.tv_sec > last_rtc_update + 660 &&
-            (xtime.tv_nsec / 1000) >= 500000 - (tick_nsec / 1000) / 2 &&
-            (xtime.tv_nsec / 1000) <= 500000 + (tick_nsec / 1000) / 2) {
-                if (set_rtc_mmss(xtime.tv_sec) == 0)
-                        last_rtc_update = xtime.tv_sec;
-                else
-                        /* Do it again in 60 s */
-                        last_rtc_update = xtime.tv_sec - 600;
-        }
         return IRQ_HANDLED;
 }
 
@@ -309,23 +286,10 @@ time_init(void)
          */
         loops_per_usec = 50;
 
-        if(RTC_INIT() < 0) {
-                /* No RTC, start at 1980 */
-                xtime.tv_sec = 0;
-                xtime.tv_nsec = 0;
+        if(RTC_INIT() < 0)
                 have_rtc = 0;
-        } else {
-                /* Get the current time */
+        else
                 have_rtc = 1;
-                update_xtime_from_cmos();
-        }
-
-        /*
-         * Initialize wall_to_monotonic such that adding it to
-         * xtime will yield zero, the tv_nsec field must be normalized
-         * (i.e., 0 <= nsec < NSEC_PER_SEC).
-         */
-        set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec);
 
         /* Start CPU local timer. */
         cris_timer_init();