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rtc: sa1100: remove periodic code 

Since periodic timer is already supported by hrtimer in rtc interface,
we needn't keep the duplicated code in rtc-sa1100.c any more.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
hifive-unleashed-5.1
Haojian Zhuang 2012-02-20 16:34:05 +08:00
parent 6b21d18ed5
commit 61ee93cd18
1 changed files with 0 additions and 15 deletions
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15
drivers/rtc/rtc-sa1100.c
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@ -42,19 +42,8 @@
#define RTC_DEF_TRIM 0
static const unsigned long RTC_FREQ = 1024;
static struct rtc_time rtc_alarm;
static DEFINE_SPINLOCK(sa1100_rtc_lock);
static inline int rtc_periodic_alarm(struct rtc_time *tm)
{
return (tm->tm_year == -1) ||
((unsigned)tm->tm_mon >= 12) ||
((unsigned)(tm->tm_mday - 1) >= 31) ||
((unsigned)tm->tm_hour > 23) ||
((unsigned)tm->tm_min > 59) ||
((unsigned)tm->tm_sec > 59);
}
/*
* Calculate the next alarm time given the requested alarm time mask
* and the current time.
@ -146,9 +135,6 @@ static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id)
rtc_update_irq(rtc, 1, events);
if (rtsr & RTSR_AL && rtc_periodic_alarm(&rtc_alarm))
rtc_update_alarm(&rtc_alarm);
spin_unlock(&sa1100_rtc_lock);
return IRQ_HANDLED;
@ -225,7 +211,6 @@ static int sa1100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
u32 rtsr;
memcpy(&alrm->time, &rtc_alarm, sizeof(struct rtc_time));
rtsr = RTSR;
alrm->enabled = (rtsr & RTSR_ALE) ? 1 : 0;
alrm->pending = (rtsr & RTSR_AL) ? 1 : 0;