This fixes the SH rtc driver correctly act on the "enabled" flag when
setting an alarm.

Signed-off-by: Jamie Lenehan <[EMAIL PROTECTED]>

--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -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);
 

-- 
 Jamie Lenehan <[EMAIL PROTECTED]>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to