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drivers/rtc/rtc-sirfsoc.c: add alarm_irq_enable support

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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>
This commit is contained in:
hao liu 2014-12-10 15:53:49 -08:00 committed by Linus Torvalds
parent a45d528aab
commit 09e427f87d
1 changed files with 26 additions and 1 deletions
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27
drivers/rtc/rtc-sirfsoc.c
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@ -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)