summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2011-04-13 03:54:09 +0400
committerThomas Gleixner <tglx@linutronix.de>2011-04-13 03:54:09 +0400
commit92f73a62a100d2068e8f327e573da01529184c18 (patch)
tree48a42be3879d8467c1860d3f14045feb6fccd64e
parenta6360dd37e1a144ed11e6548371bade559a1e4df (diff)
parent67c1b8c6aa354aad14aad85d36508fd73d1c6361 (diff)
downloadlinux-92f73a62a100d2068e8f327e573da01529184c18.tar.xz
Merge branch 'fortglx/39/tip/timers/rtc' of git://git.linaro.org/people/jstultz/linux into timers/urgent
-rw-r--r--drivers/rtc/class.c2
-rw-r--r--drivers/rtc/interface.c26
-rw-r--r--drivers/rtc/rtc-bfin.c2
-rw-r--r--drivers/rtc/rtc-s3c.c2
-rw-r--r--include/linux/rtc.h2
5 files changed, 31 insertions, 3 deletions
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 09b4437b3e61..39013867cbd6 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -171,7 +171,7 @@ struct rtc_device *rtc_device_register(const char *name, struct device *dev,
err = __rtc_read_alarm(rtc, &alrm);
if (!err && !rtc_valid_tm(&alrm.time))
- rtc_set_alarm(rtc, &alrm);
+ rtc_initialize_alarm(rtc, &alrm);
strlcpy(rtc->name, name, RTC_DEVICE_NAME_SIZE);
dev_set_name(&rtc->dev, "rtc%d", id);
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 23719f0acbf6..ef6316acec43 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -375,6 +375,32 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
}
EXPORT_SYMBOL_GPL(rtc_set_alarm);
+/* Called once per device from rtc_device_register */
+int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
+{
+ int err;
+
+ err = rtc_valid_tm(&alarm->time);
+ if (err != 0)
+ return err;
+
+ err = mutex_lock_interruptible(&rtc->ops_lock);
+ if (err)
+ return err;
+
+ rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time);
+ rtc->aie_timer.period = ktime_set(0, 0);
+ if (alarm->enabled) {
+ rtc->aie_timer.enabled = 1;
+ timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
+ }
+ mutex_unlock(&rtc->ops_lock);
+ return err;
+}
+EXPORT_SYMBOL_GPL(rtc_initialize_alarm);
+
+
+
int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled)
{
int err = mutex_lock_interruptible(&rtc->ops_lock);
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
index a0fc4cf42abf..90d866272c8e 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -250,6 +250,8 @@ static int bfin_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
bfin_rtc_int_set_alarm(rtc);
else
bfin_rtc_int_clear(~(RTC_ISTAT_ALARM | RTC_ISTAT_ALARM_DAY));
+
+ return 0;
}
static int bfin_rtc_read_time(struct device *dev, struct rtc_time *tm)
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 714964913e5e..b3466c491cd3 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -336,7 +336,6 @@ static void s3c_rtc_release(struct device *dev)
/* do not clear AIE here, it may be needed for wake */
- s3c_rtc_setpie(dev, 0);
free_irq(s3c_rtc_alarmno, rtc_dev);
free_irq(s3c_rtc_tickno, rtc_dev);
}
@@ -408,7 +407,6 @@ static int __devexit s3c_rtc_remove(struct platform_device *dev)
platform_set_drvdata(dev, NULL);
rtc_device_unregister(rtc);
- s3c_rtc_setpie(&dev->dev, 0);
s3c_rtc_setaie(&dev->dev, 0);
clk_disable(rtc_clk);
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 2ca7e8a78060..877ece45426f 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -228,6 +228,8 @@ extern int rtc_read_alarm(struct rtc_device *rtc,
struct rtc_wkalrm *alrm);
extern int rtc_set_alarm(struct rtc_device *rtc,
struct rtc_wkalrm *alrm);
+extern int rtc_initialize_alarm(struct rtc_device *rtc,
+ struct rtc_wkalrm *alrm);
extern void rtc_update_irq(struct rtc_device *rtc,
unsigned long num, unsigned long events);