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| author | Shiraz Hashim <shiraz.hashim@st.com> | 2012-03-23 23:02:29 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-24 00:58:38 +0100 |
| commit | 131f8b75f1c00a5a822ff2103db588466e942490 (patch) | |
| tree | 5d2f0476e3ceacbcecd4af0850fa4fc959819e15 /drivers/rtc/rtc-spear.c | |
| parent | rtc-spear: fix for balancing the enable_irq_wake in Power Mgmt (diff) | |
| download | linux-131f8b75f1c00a5a822ff2103db588466e942490.tar.xz linux-131f8b75f1c00a5a822ff2103db588466e942490.zip | |
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/rtc-spear.c')
| -rw-r--r-- | drivers/rtc/rtc-spear.c | 28 |
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) |