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| author | John Stultz <john.stultz@linaro.org> | 2011-04-29 15:03:10 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-05-02 21:36:57 +0200 |
| commit | 472647dcd7e351dbeda750e5ab3e8f7b06d1199a (patch) | |
| tree | 536842fa33d135d4b18e6d1dd5cf573a5b53719c /kernel/time | |
| parent | 7068b7a16270f1e85a8893d74b0f3c58d7826883 (diff) | |
| download | linux-472647dcd7e351dbeda750e5ab3e8f7b06d1199a.tar.gz linux-472647dcd7e351dbeda750e5ab3e8f7b06d1199a.tar.bz2 linux-472647dcd7e351dbeda750e5ab3e8f7b06d1199a.zip | |
timers: Fix alarmtimer build issues when CONFIG_RTC_CLASS=n
Ingo pointed out that the alarmtimers won't build if CONFIG_RTC_CLASS=n.
This patch adds proper ifdefs to the alarmtimer code to disable the rtc
usage if it is not built in.
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/alarmtimer.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 491e37b8de1f..9265014cb4db 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -42,9 +42,11 @@ static struct alarm_base { clockid_t base_clockid; } alarm_bases[ALARM_NUMTYPE]; +#ifdef CONFIG_RTC_CLASS /* rtc timer and device for setting alarm wakeups at suspend */ static struct rtc_timer rtctimer; static struct rtc_device *rtcdev; +#endif /* freezer delta & lock used to handle clock_nanosleep triggered wakeups */ static ktime_t freezer_delta; @@ -148,7 +150,7 @@ static enum hrtimer_restart alarmtimer_fired(struct hrtimer *timer) } - +#ifdef CONFIG_RTC_CLASS /** * alarmtimer_suspend - Suspend time callback * @dev: unused @@ -206,7 +208,12 @@ static int alarmtimer_suspend(struct device *dev) return 0; } - +#else +static int alarmtimer_suspend(struct device *dev) +{ + return 0; +} +#endif static void alarmtimer_freezerset(ktime_t absexp, enum alarmtimer_type type) { @@ -631,6 +638,7 @@ static int __init alarmtimer_init(void) } device_initcall(alarmtimer_init); +#ifdef CONFIG_RTC_CLASS /** * has_wakealarm - check rtc device has wakealarm ability * @dev: current device @@ -675,4 +683,12 @@ static int __init alarmtimer_init_late(void) return 0; } +#else +static int __init alarmtimer_init_late(void) +{ + printk(KERN_WARNING "Kernel not built with RTC support, ALARM timers" + " will not wake from suspend"); + return 0; +} +#endif late_initcall(alarmtimer_init_late); |