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authorWolfram Sang <w.sang@pengutronix.de>2011-06-22 23:20:14 +0200
committerJohn Stultz <john.stultz@linaro.org>2011-07-01 17:59:36 -0700
commit07187ee13f2b4ba183d4a4832ea153dbb2e030d3 (patch)
tree4fe700d73c43c6ded70f82bf73d73f398c81ace5 /drivers/rtc
parentdaf54f1f363a61c618662ef66d4bf09d2b090941 (diff)
rtc: vt8500: Use define instead of hardcoded value for status bit
Fixes the vt8500 driver to use a define value for the isr is-alarm bit. Cc: Alexey Charkov <alchark@gmail.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-vt8500.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index efd6066b5cd2..f93f412423c6 100644
--- a/drivers/rtc/rtc-vt8500.c
+++ b/drivers/rtc/rtc-vt8500.c
@@ -74,6 +74,8 @@
#define VT8500_RTC_CR_SM_SEC (1 << 3) /* 0: 1Hz/60, 1: 1Hz */
#define VT8500_RTC_CR_CALIB (1 << 4) /* Enable calibration */
+#define VT8500_RTC_IS_ALARM (1 << 0) /* Alarm interrupt status */
+
struct vt8500_rtc {
void __iomem *regbase;
struct resource *res;
@@ -96,7 +98,7 @@ static irqreturn_t vt8500_rtc_irq(int irq, void *dev_id)
spin_unlock(&vt8500_rtc->lock);
- if (isr & 1)
+ if (isr & VT8500_RTC_IS_ALARM)
events |= RTC_AF | RTC_IRQF;
rtc_update_irq(vt8500_rtc->rtc, 1, events);
@@ -161,8 +163,8 @@ static int vt8500_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
alrm->time.tm_sec = bcd2bin((alarm & TIME_SEC_MASK));
alrm->enabled = (alarm & ALARM_ENABLE_MASK) ? 1 : 0;
+ alrm->pending = (isr & VT8500_RTC_IS_ALARM) ? 1 : 0;
- alrm->pending = (isr & 1) ? 1 : 0;
return rtc_valid_tm(&alrm->time);
}