diff options
| author |   Jamie Lenehan <lenehan@twibble.org> | 2007-01-22 20:40:41 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-01-23 07:52:06 -0800 |
| commit | 15c945c3d0913d73a7d57d7a0a3c4e2902598cc6 (patch) | |
| tree | ad264d49c433e6d81d6ac0def68d97a3359cc087 /drivers/rtc | |
| parent | [PATCH] KVM: fix bogus pagefault on writable pages (diff) | |
| download | linux-dev-15c945c3d0913d73a7d57d7a0a3c4e2902598cc6.tar.xz linux-dev-15c945c3d0913d73a7d57d7a0a3c4e2902598cc6.zip | |
[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>
Cc: David Brownell <david-b@pacbell.net>
Cc: Alessandro Zummo <alessandro.zummo@towertech.it>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-sh.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index e9e0934380b8..198b9f22fbff 100644 --- 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); |