diff options
| author |   hao liu <hao.liu@csr.com> | 2014-12-10 15:53:49 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-10 17:41:15 -0800 |
| commit | 09e427f87d345967503bb3c64854e11412c584f5 (patch) | |
| tree | 1d58696e16c6652fde21dc66cb7618bb484996be /drivers | |
| parent | rtc: pcf8563: clear expired alarm at boot time (diff) | |
| download | linux-dev-09e427f87d345967503bb3c64854e11412c584f5.tar.xz linux-dev-09e427f87d345967503bb3c64854e11412c584f5.zip | |
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')
| -rw-r--r-- | drivers/rtc/rtc-sirfsoc.c | 27 |
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) |