[PATCH] kill wall_jiffies
[pandora-kernel.git] / arch / xtensa / kernel / time.c
index 241db20..37347e3 100644 (file)
@@ -26,8 +26,6 @@
 #include <asm/platform.h>
 
 
-extern volatile unsigned long wall_jiffies;
-
 DEFINE_SPINLOCK(rtc_lock);
 EXPORT_SYMBOL(rtc_lock);
 
@@ -110,7 +108,6 @@ int do_settimeofday(struct timespec *tv)
         */
        ccount = get_ccount();
        nsec -= (ccount - last_ccount_stamp) * CCOUNT_NSEC;
-       nsec -= (jiffies - wall_jiffies) * CCOUNT_PER_JIFFY * CCOUNT_NSEC;
 
        wtm_sec  = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec);
        wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec);
@@ -129,7 +126,7 @@ EXPORT_SYMBOL(do_settimeofday);
 void do_gettimeofday(struct timeval *tv)
 {
        unsigned long flags;
-       unsigned long sec, usec, delta, lost, seq;
+       unsigned long sec, usec, delta, seq;
 
        do {
                seq = read_seqbegin_irqsave(&xtime_lock, flags);
@@ -137,12 +134,9 @@ void do_gettimeofday(struct timeval *tv)
                delta = get_ccount() - last_ccount_stamp;
                sec = xtime.tv_sec;
                usec = (xtime.tv_nsec / NSEC_PER_USEC);
-
-               lost = jiffies - wall_jiffies;
-
        } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
 
-       usec += lost * (1000000UL/HZ) + (delta * CCOUNT_NSEC) / NSEC_PER_USEC;
+       usec += (delta * CCOUNT_NSEC) / NSEC_PER_USEC;
        for (; usec >= 1000000; sec++, usec -= 1000000)
                ;
 
@@ -179,8 +173,7 @@ again:
 
                if (ntp_synced() &&
                    xtime.tv_sec - last_rtc_update >= 659 &&
-                   abs((xtime.tv_nsec/1000)-(1000000-1000000/HZ))<5000000/HZ &&
-                   jiffies - wall_jiffies == 1) {
+                   abs((xtime.tv_nsec/1000)-(1000000-1000000/HZ))<5000000/HZ) {
 
                        if (platform_set_rtc_time(xtime.tv_sec+1) == 0)
                                last_rtc_update = xtime.tv_sec+1;