[IA64] Itanium MC Error Injection Tool: Makefile changes
[pandora-kernel.git] / drivers / rtc / rtc-sh.c
index e9e0934..198b9f2 100644 (file)
@@ -492,10 +492,10 @@ static int sh_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm)
 
        spin_lock_irq(&rtc->lock);
 
-       /* disable alarm interrupt and clear flag */
+       /* disable alarm interrupt and clear the alarm flag */
        rcr1 = readb(rtc->regbase + RCR1);
-       rcr1 &= ~RCR1_AF;
-       writeb(rcr1 & ~RCR1_AIE, rtc->regbase + RCR1);
+       rcr1 &= ~(RCR1_AF|RCR1_AIE);
+       writeb(rcr1, rtc->regbase + RCR1);
 
        rtc->rearm_aie = 0;
 
@@ -510,8 +510,10 @@ static int sh_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm)
                mon += 1;
        sh_rtc_write_alarm_value(rtc, mon, RMONAR);
 
-       /* Restore interrupt activation status */
-       writeb(rcr1, rtc->regbase + RCR1);
+       if (wkalrm->enabled) {
+               rcr1 |= RCR1_AIE;
+               writeb(rcr1, rtc->regbase + RCR1);
+       }
 
        spin_unlock_irq(&rtc->lock);