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[PATCH] drivers/cpuidle: coupled: remove unused define cpuidle_coupled_lock

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This was found with the -RT patch enabled, but the fix should apply to
non-RT also.

Used multi_v7_defconfig+PREEMPT_RT_FULL=y and this caused a compilation
warning without this fix:
../drivers/cpuidle/coupled.c:122:21: warning: 'cpuidle_coupled_lock'
defined but not used [-Wunused-variable]

Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
---
 drivers/cpuidle/coupled.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/cpuidle/coupled.c b/drivers/cpuidle/coupled.c
index 344058f..d5657d5 100644
--- a/drivers/cpuidle/coupled.c
+++ b/drivers/cpuidle/coupled.c
@@ -119,7 +119,6 @@ struct cpuidle_coupled {
 
 #define CPUIDLE_COUPLED_NOT_IDLE	(-1)
 
-static DEFINE_MUTEX(cpuidle_coupled_lock);
 static DEFINE_PER_CPU(struct call_single_data, cpuidle_coupled_poke_cb);
 
 /*
-- 
2.1.4

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[PATCH] drivers/cpuidle: coupled: remove unused define cpuidle_coupled_lock Anders Roxell <anders.roxell@linaro.org> - 2016-01-27 20:40 +0100
  Re: [PATCH] drivers/cpuidle: coupled: remove unused define cpuidle_coupled_lock "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-01-28 00:00 +0100

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