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authorPaul Burton <paul.burton@imgtec.com>2016-09-19 22:21:20 +0100
committerRalf Baechle <ralf@linux-mips.org>2016-10-06 17:31:00 +0200
commit5d2949ec86a54b73a6fc2557ef784e76c0d2cba9 (patch)
treed5ba5adc0aead8b51675a7b72d0591676fe79255
parent19afc3d269fe66137ddb030b8ffdb8553066ba4a (diff)
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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>
-rw-r--r--arch/mips/include/asm/i8259.h1
-rw-r--r--drivers/irqchip/irq-i8259.c18
2 files changed, 0 insertions, 19 deletions
diff --git a/arch/mips/include/asm/i8259.h b/arch/mips/include/asm/i8259.h
index b27fcc4ae474..32229c77906a 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 1f4a3442342b..1aec12c6d9ac 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);