From 5d2949ec86a54b73a6fc2557ef784e76c0d2cba9 Mon Sep 17 00:00:00 2001 From: Paul Burton Date: Mon, 19 Sep 2016 22:21:20 +0100 Subject: [PATCH] irqchip: i8259: Remove unused i8259A_irq_pending The i8259A_irq_pending function is unused. Remove the dead code. Signed-off-by: Paul Burton Acked-by: Thomas Gleixner Cc: Jason Cooper Cc: Marc Zyngier 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 --- 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 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); -- 2.39.2