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Diffstat (limited to 'arch/x86_64/kernel/time.c')
-rw-r--r--arch/x86_64/kernel/time.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 966d1376b592..f8c47c688443 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -504,8 +504,8 @@ unsigned long long sched_clock(void)
504 504
505static unsigned long get_cmos_time(void) 505static unsigned long get_cmos_time(void)
506{ 506{
507 unsigned int timeout, year, mon, day, hour, min, sec; 507 unsigned int timeout = 1000000, year, mon, day, hour, min, sec;
508 unsigned char last, this; 508 unsigned char uip = 0, this = 0;
509 unsigned long flags; 509 unsigned long flags;
510 510
511/* 511/*
@@ -518,11 +518,8 @@ static unsigned long get_cmos_time(void)
518 518
519 spin_lock_irqsave(&rtc_lock, flags); 519 spin_lock_irqsave(&rtc_lock, flags);
520 520
521 timeout = 1000000; 521 while (timeout && (!uip || this)) {
522 last = this = 0; 522 uip |= this;
523
524 while (timeout && last && !this) {
525 last = this;
526 this = CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP; 523 this = CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP;
527 timeout--; 524 timeout--;
528 } 525 }