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authorShiraz Hashim <shiraz.hashim@st.com>2012-03-23 15:02:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-23 16:58:38 -0700
commit131f8b75f1c00a5a822ff2103db588466e942490 (patch)
tree5d2f0476e3ceacbcecd4af0850fa4fc959819e15 /drivers/rtc
parentcd0e08a8c9fb9c50d182d20e3bc52452c1ce1bfb (diff)
rtc/spear: fix for RTC_AIE_ON and RTC_AIE_OFF ioctl errors
Define API for '.alarm_irq_enable' to enable and disable alarm irq. This is required by the framework else RTC_AIE_ON and RTC_AIE_OFF ioctls return errors. Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Cc: Deepak Sikri <deepak.sikri@st.com> Acked-by: Rajeev Kumar <rajeev-dlh.kumar@st.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-spear.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c
index 4f068e9ec0f8..646937473515 100644
--- a/drivers/rtc/rtc-spear.c
+++ b/drivers/rtc/rtc-spear.c
@@ -327,11 +327,39 @@ static int spear_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
return 0;
}
+
+static int spear_alarm_irq_enable(struct device *dev, unsigned int enabled)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct rtc_device *rtc = platform_get_drvdata(pdev);
+ struct spear_rtc_config *config = dev_get_drvdata(&rtc->dev);
+ int ret = 0;
+
+ spear_rtc_clear_interrupt(config);
+
+ switch (enabled) {
+ case 0:
+ /* alarm off */
+ spear_rtc_disable_interrupt(config);
+ break;
+ case 1:
+ /* alarm on */
+ spear_rtc_enable_interrupt(config);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
static struct rtc_class_ops spear_rtc_ops = {
.read_time = spear_rtc_read_time,
.set_time = spear_rtc_set_time,
.read_alarm = spear_rtc_read_alarm,
.set_alarm = spear_rtc_set_alarm,
+ .alarm_irq_enable = spear_alarm_irq_enable,
};
static int __devinit spear_rtc_probe(struct platform_device *pdev)