[MIPS] Make irq number allocator generally available for fixing EV64120.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

2 files changed, 0 insertions, 25 deletions

diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index f01ba1f90770..270ecd3e6b4a 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -354,29 +354,6 @@ static struct irq_chip bridge_irq_type = {
         .end            = end_bridge_irq,
 };
 
-static unsigned long irq_map[NR_IRQS / BITS_PER_LONG];
-
-int allocate_irqno(void)
-{
-        int irq;
-
-again:
-        irq = find_first_zero_bit(irq_map, NR_IRQS);
-
-        if (irq >= NR_IRQS)
-                return -ENOSPC;
-
-        if (test_and_set_bit(irq, irq_map))
-                goto again;
-
-        return irq;
-}
-
-void free_irqno(unsigned int irq)
-{
-        clear_bit(irq, irq_map);
-}
-
 void __devinit register_bridge_irq(unsigned int irq)
 {
         irq_desc[irq].status    = IRQ_DISABLED;
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index c965705f3427..5e82a268e3c9 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -214,8 +214,6 @@ static struct irqaction rt_irqaction = {
         .name           = "timer"
 };
 
-extern int allocate_irqno(void);
-
 void __init plat_timer_setup(struct irqaction *irq)
 {
         int irqno  = allocate_irqno();