[PATCH 15/21] time: Don't build timekeeping_inject_sleeptime64() if no one uses it

John Stultz
2015-04-02T03:35:21Z

From: Xunlei Pang <pang.xunlei@linaro.org>

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

Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Xunlei Pang <pang.xunlei@linaro.org>
[jstultz: Improve commit message clarity]
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
kernel/time/timekeeping.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 39df498..7d799d3 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -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.
--
1.9.1