diff options
-rw-r--r-- | arch/x86_64/kernel/time.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 966d1376b59..f8c47c68844 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) static unsigned long get_cmos_time(void) { - unsigned int timeout, year, mon, day, hour, min, sec; - unsigned char last, this; + unsigned int timeout = 1000000, year, mon, day, hour, min, sec; + unsigned char uip = 0, this = 0; unsigned long flags; /* @@ -518,11 +518,8 @@ static unsigned long get_cmos_time(void) spin_lock_irqsave(&rtc_lock, flags); - timeout = 1000000; - last = this = 0; - - while (timeout && last && !this) { - last = this; + while (timeout && (!uip || this)) { + uip |= this; this = CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP; timeout--; } |