sky2: MIB counter overflow handling

[linux-2.6-omap-h63xx.git] / drivers / rtc / rtc-sh.c

diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index e9e0934380b8c8e1a0f594d665be11a5e625505b..e0f91dfce0f56bcb8f340058d208557e613a44dd 100644 (file)
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -104,7 +104,7 @@ static irqreturn_t sh_rtc_interrupt(int irq, void *dev_id)
 
        writeb(tmp, rtc->regbase + RCR1);
 
-       rtc_update_irq(&rtc->rtc_dev->class_dev, 1, events);
+       rtc_update_irq(rtc->rtc_dev, 1, events);
 
        spin_unlock(&rtc->lock);
 
@@ -139,7 +139,7 @@ static irqreturn_t sh_rtc_alarm(int irq, void *dev_id)
 
                rtc->rearm_aie = 1;
 
-               rtc_update_irq(&rtc->rtc_dev->class_dev, 1, events);
+               rtc_update_irq(rtc->rtc_dev, 1, events);
        }
 
        spin_unlock(&rtc->lock);
@@ -153,7 +153,7 @@ static irqreturn_t sh_rtc_periodic(int irq, void *dev_id)
 
        spin_lock(&rtc->lock);
 
-       rtc_update_irq(&rtc->rtc_dev->class_dev, 1, RTC_PF | RTC_IRQF);
+       rtc_update_irq(rtc->rtc_dev, 1, RTC_PF | RTC_IRQF);
 
        spin_unlock(&rtc->lock);
 
@@ -341,7 +341,7 @@ static int sh_rtc_read_time(struct device *dev, struct rtc_time *tm)
                tm->tm_sec--;
 #endif
 
-       dev_dbg(&dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
+       dev_dbg(dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
                "mday=%d, mon=%d, year=%d, wday=%d\n",
                __FUNCTION__,
                tm->tm_sec, tm->tm_min, tm->tm_hour,
@@ -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);