Commit 61ee93cd authored by Haojian Zhuang's avatar Haojian Zhuang
Browse files

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: default avatarHaojian Zhuang <haojian.zhuang@marvell.com>
parent 6b21d18e

drivers/rtc/rtc-sa1100.c

+0 −15
Original line number Diff line number Diff line
@@ -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;