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authorHaojian Zhuang <haojian.zhuang@marvell.com>2012-02-20 12:34:05 +0400
committerHaojian Zhuang <haojian.zhuang@marvell.com>2012-02-28 06:05:20 +0400
commit61ee93cd18c7f99236c17829d8fe65f56e8dd392 (patch)
tree8efda1e8d712aa09be9b7f2559e6f825b5744ca0 /drivers/rtc/rtc-sa1100.c
parent6b21d18ed50c7d145220b0724ea7f2613abf0f95 (diff)
downloadlinux-61ee93cd18c7f99236c17829d8fe65f56e8dd392.tar.xz
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>
Diffstat (limited to 'drivers/rtc/rtc-sa1100.c')
-rw-r--r--drivers/rtc/rtc-sa1100.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index cb9a585312cc..fef52c801a13 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -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;