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time: Don't build timekeeping_inject_sleeptime64() if no one uses it

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timekeeping_inject_sleeptime64() is only used by RTC
suspend/resume, so add build dependencies on the necessary RTC
related macros.

Signed-off-by: Xunlei Pang <pang.xunlei@linaro.org>
[ Improve commit message clarity. ]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1427945681-29972-16-git-send-email-john.stultz@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Xunlei Pang 2015-04-01 20:34:35 -07:00 committed by Ingo Molnar
parent a5312f56e0
commit 7f2981393a
1 changed files with 2 additions and 0 deletions
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2
kernel/time/timekeeping.c
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@ -1280,6 +1280,7 @@ static void __timekeeping_inject_sleeptime(struct timekeeper *tk,
tk_debug_account_sleep_time(delta);
}
#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_RTC_HCTOSYS_DEVICE)
/**
* timekeeping_inject_sleeptime64 - Adds suspend interval to timeekeeping values
* @delta: pointer to a timespec64 delta value
@ -1317,6 +1318,7 @@ void timekeeping_inject_sleeptime64(struct timespec64 *delta)
/* signal hrtimers about time change */
clock_was_set();
}
#endif
/**
* timekeeping_resume - Resumes the generic timekeeping subsystem.