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Diffstat (limited to 'arch/i386/kernel/io_apic.c')
-rw-r--r--arch/i386/kernel/io_apic.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index f8f132aa5472..d70f2ade5cde 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -2238,6 +2238,8 @@ static inline void unlock_ExtINT_logic(void)
spin_unlock_irqrestore(&ioapic_lock, flags);
}
+int timer_uses_ioapic_pin_0;
+
/*
* This code may look a bit paranoid, but it's supposed to cooperate with
* a wide range of boards and BIOS bugs. Fortunately only the timer IRQ
@@ -2274,6 +2276,9 @@ static inline void check_timer(void)
pin2 = ioapic_i8259.pin;
apic2 = ioapic_i8259.apic;
+ if (pin1 == 0)
+ timer_uses_ioapic_pin_0 = 1;
+
printk(KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n",
vector, apic1, pin1, apic2, pin2);