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-rw-r--r--kernel/timer.c27
1 files changed, 3 insertions, 24 deletions
diff --git a/kernel/timer.c b/kernel/timer.c
index 17d956cebcb9..ab189dd187cb 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -697,18 +697,9 @@ static void second_overflow(void)
697 697
698 /* 698 /*
699 * Compute the frequency estimate and additional phase adjustment due 699 * Compute the frequency estimate and additional phase adjustment due
700 * to frequency error for the next second. When the PPS signal is 700 * to frequency error for the next second.
701 * engaged, gnaw on the watchdog counter and update the frequency
702 * computed by the pll and the PPS signal.
703 */ 701 */
704 pps_valid++; 702 ltemp = time_freq;
705 if (pps_valid == PPS_VALID) { /* PPS signal lost */
706 pps_jitter = MAXTIME;
707 pps_stabil = MAXFREQ;
708 time_status &= ~(STA_PPSSIGNAL | STA_PPSJITTER |
709 STA_PPSWANDER | STA_PPSERROR);
710 }
711 ltemp = time_freq + pps_freq;
712 time_adj += shift_right(ltemp,(SHIFT_USEC + SHIFT_HZ - SHIFT_SCALE)); 703 time_adj += shift_right(ltemp,(SHIFT_USEC + SHIFT_HZ - SHIFT_SCALE));
713 704
714#if HZ == 100 705#if HZ == 100
@@ -956,19 +947,7 @@ void do_timer(struct pt_regs *regs)
956 */ 947 */
957asmlinkage unsigned long sys_alarm(unsigned int seconds) 948asmlinkage unsigned long sys_alarm(unsigned int seconds)
958{ 949{
959 struct itimerval it_new, it_old; 950 return alarm_setitimer(seconds);
960 unsigned int oldalarm;
961
962 it_new.it_interval.tv_sec = it_new.it_interval.tv_usec = 0;
963 it_new.it_value.tv_sec = seconds;
964 it_new.it_value.tv_usec = 0;
965 do_setitimer(ITIMER_REAL, &it_new, &it_old);
966 oldalarm = it_old.it_value.tv_sec;
967 /* ehhh.. We can't return 0 if we have an alarm pending.. */
968 /* And we'd better return too much than too little anyway */
969 if ((!oldalarm && it_old.it_value.tv_usec) || it_old.it_value.tv_usec >= 500000)
970 oldalarm++;
971 return oldalarm;
972} 951}
973 952
974#endif 953#endif