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ODROIDC: rtc: Supporting RTC hwclock

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Change-Id: Iedf453c1bdd01bd1682ec2bce4d2e0148153ece2
(cherry picked from commit f6d103a55073201fad32407a1ff125f4b822d2c8)
This commit is contained in:
ckkim
2014-10-23 12:23:13 +09:00
committed by Dongjin Kim
parent 707fbd40d1
commit 8aace15aa7
1 changed files with 0 additions and 38 deletions
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38
drivers/amlogic/rtc/aml_rtc.c
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@@ -587,43 +587,6 @@ static int aml_rtc_write_time(struct device *dev, struct rtc_time *tm)
return 0;
}
static int aml_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
{
alarm_data_t alarm_data;
unsigned long alarm_secs, cur_secs;
struct rtc_time cur_time;
int ret;
struct aml_rtc_priv *priv;
priv = dev_get_drvdata(dev);
//rtc_tm_to_time(&alarm->time, &secs);
if (alarm->enabled) {
alarm_data.level = 0;
ret = rtc_tm_to_time(&alarm->time, &alarm_secs);
if (ret)
return ret;
aml_rtc_read_time(dev, &cur_time);
ret = rtc_tm_to_time(&cur_time, &cur_secs);
if(alarm_secs >= cur_secs) {
/*3 seconds later then we real wanted,
we do not need the alarm very acurate.*/
alarm_data.alarm_sec = alarm_secs - cur_secs + 3;
} else
alarm_data.alarm_sec = 0;
rtc_set_alarm_aml(dev, &alarm_data);
} else {
#if MESON_CPU_TYPE >= MESON_CPU_TYPE_MESON6
ser_access_write(RTC_GPO_COUNTER_ADDR,0x500000);
#else
ser_access_write(RTC_GPO_COUNTER_ADDR,0x100000);
#endif
queue_work(priv->rtc_work_queue, &priv->work);
}
return 0;
}
#define AUTO_RESUME_INTERVAL 8
static int aml_rtc_suspend(struct platform_device *pdev, pm_message_t state)
{
@@ -678,7 +641,6 @@ static ssize_t show_rtc_reg(struct class *class,
static const struct rtc_class_ops aml_rtc_ops ={
.read_time = aml_rtc_read_time,
.set_time = aml_rtc_write_time,
.set_alarm = aml_rtc_set_alarm,
};
static struct class_attribute rtc_class_attrs[] = {