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[2/2] rtc: vt8500: use define instead of hardcoded value for status bit

Message ID 1308777614-19043-2-git-send-email-w.sang@pengutronix.de (mailing list archive)
State New, archived
Headers show

Commit Message

Wolfram Sang June 22, 2011, 9:20 p.m. UTC 
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Alexey Charkov <alchark@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
---

I guess 3.1 is fine for this one.

 drivers/rtc/rtc-vt8500.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

Comments

Alexey Charkov June 22, 2011, 9:27 p.m. UTC | #1 
2011/6/23 Wolfram Sang <w.sang@pengutronix.de>:
> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
> Cc: Alexey Charkov <alchark@gmail.com>
> Cc: John Stultz <john.stultz@linaro.org>

Acked-by: Alexey Charkov <alchark@gmail.com>

Thanks for submitting this, Wolfram!

Best,
Alexey
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Patch

diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index efd6066..f93f412 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);
 }