*/
static inline unsigned char rtc_is_updating(void)
{
+ unsigned long flags;
unsigned char uip;
- spin_lock_irq(&rtc_lock);
+ spin_lock_irqsave(&rtc_lock, flags);
uip = (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP);
- spin_unlock_irq(&rtc_lock);
+ spin_unlock_irqrestore(&rtc_lock, flags);
return uip;
}
* Once the read clears, read the RTC time (again via ioctl). Easy.
*/
- while (rtc_is_updating() != 0 && jiffies - uip_watchdog < 2*HZ/100) {
- barrier();
+ while (rtc_is_updating() != 0 && jiffies - uip_watchdog < 2*HZ/100)
cpu_relax();
- }
/*
* Only the values that we read from the RTC are set. We leave