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    Subject[patch 13/32] ia64: Remove unused check_irq_used()
    Just stumbled over it when staring into ia64 irq handling.

    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Cc: Tony Luck <tony.luck@intel.com>
    Cc: Fenghua Yu <fenghua.yu@intel.com>
    ---
    arch/ia64/include/asm/hw_irq.h | 1 -
    arch/ia64/kernel/irq_ia64.c | 8 --------
    2 files changed, 9 deletions(-)

    Index: tip/arch/ia64/include/asm/hw_irq.h
    ===================================================================
    --- tip.orig/arch/ia64/include/asm/hw_irq.h
    +++ tip/arch/ia64/include/asm/hw_irq.h
    @@ -132,7 +132,6 @@ extern int reserve_irq_vector (int vecto
    extern void __setup_vector_irq(int cpu);
    extern void ia64_send_ipi (int cpu, int vector, int delivery_mode, int redirect);
    extern void ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action);
    -extern int check_irq_used (int irq);
    extern void destroy_and_reserve_irq (unsigned int irq);

    #if defined(CONFIG_SMP) && (defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG))
    Index: tip/arch/ia64/kernel/irq_ia64.c
    ===================================================================
    --- tip.orig/arch/ia64/kernel/irq_ia64.c
    +++ tip/arch/ia64/kernel/irq_ia64.c
    @@ -93,14 +93,6 @@ static int irq_status[NR_IRQS] = {
    [0 ... NR_IRQS -1] = IRQ_UNUSED
    };

    -int check_irq_used(int irq)
    -{
    - if (irq_status[irq] == IRQ_USED)
    - return 1;
    -
    - return -1;
    -}
    -
    static inline int find_unassigned_irq(void)
    {
    int irq;



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