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Commit 5d2949ec authored by Paul Burton's avatar Paul Burton Committed by Ralf Baechle
Browse files

irqchip: i8259: Remove unused i8259A_irq_pending 



The i8259A_irq_pending function is unused. Remove the dead code.

Signed-off-by: default avatarPaul Burton <paul.burton@imgtec.com>
Acked-by: default avatarThomas 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: default avatarRalf Baechle <ralf@linux-mips.org>
parent 19afc3d2

arch/mips/include/asm/i8259.h

+0 −1
Original line number Diff line number Diff line
@@ -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);

drivers/irqchip/irq-i8259.c

+0 −18
Original line number Diff line number Diff line
@@ -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);