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Groups > linux.kernel > #1475306

[PATCH 03/12] irqchip: i8259: Remove unused i8259A_irq_pending

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The i8259A_irq_pending function is unused. Remove the dead code.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
---

 arch/mips/include/asm/i8259.h |  1 -
 drivers/irqchip/irq-i8259.c   | 18 ------------------
 2 files changed, 19 deletions(-)

diff --git a/arch/mips/include/asm/i8259.h b/arch/mips/include/asm/i8259.h
index b27fcc4..32229c7 100644
--- 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 1f4a344..1aec12c 100644
--- 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);
-- 
2.9.3

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[PATCH 00/12] Partial MIPS Malta DT conversion Paul Burton <paul.burton@imgtec.com> - 2016-09-02 18:00 +0200
  [PATCH 05/12] MIPS: Malta: Use all available DDR by default Paul Burton <paul.burton@imgtec.com> - 2016-09-02 18:00 +0200
    Re: [PATCH 05/12] MIPS: Malta: Use all available DDR by default kbuild test robot <lkp@intel.com> - 2016-09-03 12:30 +0200
  [PATCH 03/12] irqchip: i8259: Remove unused i8259A_irq_pending Paul Burton <paul.burton@imgtec.com> - 2016-09-02 18:00 +0200
  [PATCH 11/12] power: reset: Add Intel PIIX4 poweroff driver Paul Burton <paul.burton@imgtec.com> - 2016-09-02 18:00 +0200
    Re: [PATCH 11/12] power: reset: Add Intel PIIX4 poweroff driver Sebastian Reichel <sre@kernel.org> - 2016-09-02 18:30 +0200

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