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authorhao liu <hao.liu@csr.com>2014-12-10 15:53:49 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-10 17:41:15 -0800
commit09e427f87d345967503bb3c64854e11412c584f5 (patch)
tree1d58696e16c6652fde21dc66cb7618bb484996be /drivers/rtc/rtc-sirfsoc.c
parenta45d528aab8bcde68476b99403311422c91dc20a (diff)
drivers/rtc/rtc-sirfsoc.c: add alarm_irq_enable support
Add missed alarm_irq_enable() callback for CSR SiRFSoC RTCs. [akpm@linux-foundation.org: remove unneeded cast] Signed-off-by: hao liu <hao.liu@csr.com> Signed-off-by: Barry Song <Baohua.Song@csr.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/rtc-sirfsoc.c')
-rw-r--r--drivers/rtc/rtc-sirfsoc.c27
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-sirfsoc.c b/drivers/rtc/rtc-sirfsoc.c
index 24ba97d3286e..a9ea7d181380 100644
--- a/drivers/rtc/rtc-sirfsoc.c
+++ b/drivers/rtc/rtc-sirfsoc.c
@@ -209,12 +209,37 @@ static int sirfsoc_rtc_ioctl(struct device *dev, unsigned int cmd,
}
}
+static int sirfsoc_rtc_alarm_irq_enable(struct device *dev,
+ unsigned int enabled)
+{
+ unsigned long rtc_status_reg = 0x0;
+ struct sirfsoc_rtc_drv *rtcdrv;
+
+ rtcdrv = dev_get_drvdata(dev);
+
+ local_irq_disable();
+
+ rtc_status_reg = sirfsoc_rtc_iobrg_readl(
+ rtcdrv->rtc_base + RTC_STATUS);
+ if (enabled)
+ rtc_status_reg |= SIRFSOC_RTC_AL0E;
+ else
+ rtc_status_reg &= ~SIRFSOC_RTC_AL0E;
+
+ sirfsoc_rtc_iobrg_writel(rtc_status_reg, rtcdrv->rtc_base + RTC_STATUS);
+ local_irq_enable();
+
+ return 0;
+
+}
+
static const struct rtc_class_ops sirfsoc_rtc_ops = {
.read_time = sirfsoc_rtc_read_time,
.set_time = sirfsoc_rtc_set_time,
.read_alarm = sirfsoc_rtc_read_alarm,
.set_alarm = sirfsoc_rtc_set_alarm,
- .ioctl = sirfsoc_rtc_ioctl
+ .ioctl = sirfsoc_rtc_ioctl,
+ .alarm_irq_enable = sirfsoc_rtc_alarm_irq_enable
};
static irqreturn_t sirfsoc_rtc_irq_handler(int irq, void *pdata)