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    Subject[PATCH 4.4 45/92] cpuidle: coupled: remove unused define cpuidle_coupled_lock
    Date
    4.4-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Anders Roxell <anders.roxell@linaro.org>

    commit 75274b33e779ae40a750bcb4bd0b07c4dfef4746 upstream.

    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>
    Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
    Signed-off-by: Mike Galbraith <mgalbraith@suse.de>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/cpuidle/coupled.c | 1 -
    1 file changed, 1 deletion(-)

    --- 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);

    /*

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