lkml.org 
[lkml]   [2007]   [Jan]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch] rtc-sh: act on rtc_wkalrm.enabled when setting an alarm
This fixes the SH rtc driver correctly act on the "enabled" flag when
setting an alarm.

Signed-off-by: Jamie Lenehan <lenehan@twibble.org>

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

\
 
 \ /
  Last update: 2007-01-11 13:53    [W:0.023 / U:0.768 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site