err = mutex_lock_interruptible(&rtc->ops_lock);
if (err)
- return -EBUSY;
+ return err;
if (!rtc->ops)
err = -ENODEV;
err = mutex_lock_interruptible(&rtc->ops_lock);
if (err)
- return -EBUSY;
+ return err;
if (!rtc->ops)
err = -ENODEV;
- else if (!rtc->ops->set_time)
- err = -EINVAL;
- else
+ else if (rtc->ops->set_time)
err = rtc->ops->set_time(rtc->dev.parent, tm);
+ else if (rtc->ops->set_mmss) {
+ unsigned long secs;
+ err = rtc_tm_to_time(tm, &secs);
+ if (err == 0)
+ err = rtc->ops->set_mmss(rtc->dev.parent, secs);
+ } else
+ err = -EINVAL;
mutex_unlock(&rtc->ops_lock);
return err;
err = mutex_lock_interruptible(&rtc->ops_lock);
if (err)
- return -EBUSY;
+ return err;
if (!rtc->ops)
err = -ENODEV;
err = mutex_lock_interruptible(&rtc->ops_lock);
if (err)
- return -EBUSY;
+ return err;
if (rtc->ops == NULL)
err = -ENODEV;
dev_dbg(&rtc->dev, "alarm rollover: %s\n", "year");
do {
alarm->time.tm_year++;
- } while (!rtc_valid_tm(&alarm->time));
+ } while (rtc_valid_tm(&alarm->time) != 0);
break;
default:
err = mutex_lock_interruptible(&rtc->ops_lock);
if (err)
- return -EBUSY;
+ return err;
if (!rtc->ops)
err = -ENODEV;
}
EXPORT_SYMBOL_GPL(rtc_set_alarm);
+int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled)
+{
+ int err = mutex_lock_interruptible(&rtc->ops_lock);
+ if (err)
+ return err;
+
+ if (!rtc->ops)
+ err = -ENODEV;
+ else if (!rtc->ops->alarm_irq_enable)
+ err = -EINVAL;
+ else
+ err = rtc->ops->alarm_irq_enable(rtc->dev.parent, enabled);
+
+ mutex_unlock(&rtc->ops_lock);
+ return err;
+}
+EXPORT_SYMBOL_GPL(rtc_alarm_irq_enable);
+
+int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled)
+{
+ int err = mutex_lock_interruptible(&rtc->ops_lock);
+ if (err)
+ return err;
+
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+ if (enabled == 0 && rtc->uie_irq_active) {
+ mutex_unlock(&rtc->ops_lock);
+ return rtc_dev_update_irq_enable_emul(rtc, enabled);
+ }
+#endif
+
+ if (!rtc->ops)
+ err = -ENODEV;
+ else if (!rtc->ops->update_irq_enable)
+ err = -EINVAL;
+ else
+ err = rtc->ops->update_irq_enable(rtc->dev.parent, enabled);
+
+ mutex_unlock(&rtc->ops_lock);
+
+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+ /*
+ * Enable emulation if the driver did not provide
+ * the update_irq_enable function pointer or if returned
+ * -EINVAL to signal that it has been configured without
+ * interrupts or that are not available at the moment.
+ */
+ if (err == -EINVAL)
+ err = rtc_dev_update_irq_enable_emul(rtc, enabled);
+#endif
+ return err;
+}
+EXPORT_SYMBOL_GPL(rtc_update_irq_enable);
+
/**
* rtc_update_irq - report RTC periodic, alarm, and/or update irqs
* @rtc: the rtc device
{
char *name = (char *)data;
- if (strncmp(dev->bus_id, name, BUS_ID_SIZE) == 0)
+ if (strcmp(dev_name(dev), name) == 0)
return 1;
return 0;
}
struct device *dev;
struct rtc_device *rtc = NULL;
- dev = class_find_device(rtc_class, name, __rtc_match);
+ dev = class_find_device(rtc_class, NULL, name, __rtc_match);
if (dev)
rtc = to_rtc_device(dev);
if (rtc->ops->irq_set_freq == NULL)
return -ENXIO;
- if (!is_power_of_2(freq))
- return -EINVAL;
-
spin_lock_irqsave(&rtc->irq_task_lock, flags);
if (rtc->irq_task != NULL && task == NULL)
err = -EBUSY;