[PATCH 03/10] clocksource: Remove clocksource_max_deferment()

From: John Stultz
Date: Fri Jan 09 2015 - 19:34:44 EST


clocksource_max_deferment() doesn't do anything useful
anymore, so zap it.

Cc: Dave Jones <davej@xxxxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Richard Cochran <richardcochran@xxxxxxxxx>
Cc: Prarit Bhargava <prarit@xxxxxxxxxx>
Cc: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
---
kernel/time/clocksource.c | 20 ++++----------------
1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index e837ffd1..0696559 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -575,20 +575,6 @@ u64 clocks_calc_max_nsecs(u32 mult, u32 shift, u32 maxadj, u64 mask)
return max_nsecs;
}

-/**
- * clocksource_max_deferment - Returns max time the clocksource should be deferred
- * @cs: Pointer to clocksource
- *
- */
-static u64 clocksource_max_deferment(struct clocksource *cs)
-{
- u64 max_nsecs;
-
- max_nsecs = clocks_calc_max_nsecs(cs->mult, cs->shift, cs->maxadj,
- cs->mask);
- return max_nsecs;
-}
-
#ifndef CONFIG_ARCH_USES_GETTIMEOFFSET

static struct clocksource *clocksource_find_best(bool oneshot, bool skipcur)
@@ -760,7 +746,8 @@ void __clocksource_updatefreq_scale(struct clocksource *cs, u32 scale, u32 freq)
cs->maxadj = clocksource_max_adjustment(cs);
}

- cs->max_idle_ns = clocksource_max_deferment(cs);
+ cs->max_idle_ns = clocks_calc_max_nsecs(cs->mult, cs->shift,
+ cs->maxadj, cs->mask);
}
EXPORT_SYMBOL_GPL(__clocksource_updatefreq_scale);

@@ -807,7 +794,8 @@ int clocksource_register(struct clocksource *cs)
cs->name);

/* calculate max idle time permitted for this clocksource */
- cs->max_idle_ns = clocksource_max_deferment(cs);
+ cs->max_idle_ns = clocks_calc_max_nsecs(cs->mult, cs->shift,
+ cs->maxadj, cs->mask);

mutex_lock(&clocksource_mutex);
clocksource_enqueue(cs);
--
1.9.1

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