Messages in this thread Patch in this message | | | From | John Stultz <> | Subject | [PATCH 2/4] alarmtimer: Provide accessor to alarmtimer rtc device | Date | Fri, 20 Apr 2012 12:31:45 -0700 |
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The Android alarm interface provides a settime call that sets both the alarmtimer RTC device and CLOCK_REALTIME to the same value.
Since there may be multiple rtc devices, provide a hook to access the one the alarmtimer infrastructure is using.
CC: Colin Cross <ccross@android.com> CC: Thomas Gleixner <tglx@linutronix.de> CC: Greg KH <gregkh@linuxfoundation.org> CC: Android Kernel Team <kernel-team@android.com> Signed-off-by: John Stultz <john.stultz@linaro.org> --- include/linux/alarmtimer.h | 3 +++ kernel/time/alarmtimer.c | 4 ++-- 2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/include/linux/alarmtimer.h b/include/linux/alarmtimer.h index 975009e..96c5c24 100644 --- a/include/linux/alarmtimer.h +++ b/include/linux/alarmtimer.h @@ -76,4 +76,7 @@ static inline int alarmtimer_callback_running(struct alarm *timer) } +/* Provide way to access the rtc device being used by alarmtimers */ +struct rtc_device *alarmtimer_get_rtcdev(void); + #endif diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 8a538c55..aa27d39 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -59,7 +59,7 @@ static DEFINE_SPINLOCK(rtcdev_lock); * If one has not already been chosen, it checks to see if a * functional rtc device is available. */ -static struct rtc_device *alarmtimer_get_rtcdev(void) +struct rtc_device *alarmtimer_get_rtcdev(void) { unsigned long flags; struct rtc_device *ret; @@ -115,7 +115,7 @@ static void alarmtimer_rtc_interface_remove(void) class_interface_unregister(&alarmtimer_rtc_interface); } #else -static inline struct rtc_device *alarmtimer_get_rtcdev(void) +struct rtc_device *alarmtimer_get_rtcdev(void) { return NULL; } -- 1.7.3.2.146.gca209
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