irqchip: i8259: Remove unused i8259A_irq_pending

The i8259A_irq_pending function is unused. Remove the dead code.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/14271/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/include/asm/i8259.h b/arch/mips/include/asm/i8259.h
index b27fcc4ae4741d768b4358d6bd4925e2e2d1fdf8..32229c77906a1efb8b151bd3f491a452ef2c24d7 100644 (file)
--- a/arch/mips/include/asm/i8259.h
+++ b/arch/mips/include/asm/i8259.h
@@ -37,7 +37,6 @@
 
 extern raw_spinlock_t i8259A_lock;
 
-extern int i8259A_irq_pending(unsigned int irq);
 extern void make_8259A_irq(unsigned int irq);
 
 extern void init_i8259_irqs(void);

diff --git a/drivers/irqchip/irq-i8259.c b/drivers/irqchip/irq-i8259.c
index 1f4a3442342bbd3830c536d18bacb2fecb3c5be2..1aec12c6d9ac83cb4338d4c0c44a78b83c1e01d8 100644 (file)
--- a/drivers/irqchip/irq-i8259.c
+++ b/drivers/irqchip/irq-i8259.c
@@ -95,24 +95,6 @@ static void enable_8259A_irq(struct irq_data *d)
        raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 }
 
-int i8259A_irq_pending(unsigned int irq)
-{
-       unsigned int mask;
-       unsigned long flags;
-       int ret;
-
-       irq -= I8259A_IRQ_BASE;
-       mask = 1 << irq;
-       raw_spin_lock_irqsave(&i8259A_lock, flags);
-       if (irq < 8)
-               ret = inb(PIC_MASTER_CMD) & mask;
-       else
-               ret = inb(PIC_SLAVE_CMD) & (mask >> 8);
-       raw_spin_unlock_irqrestore(&i8259A_lock, flags);
-
-       return ret;
-}
-
 void make_8259A_irq(unsigned int irq)
 {
        disable_irq_nosync(irq);