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-rw-r--r--include/asm-x86/io_apic.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h
index d593e14..a673256 100644
--- a/include/asm-x86/io_apic.h
+++ b/include/asm-x86/io_apic.h
@@ -137,6 +137,9 @@ extern int sis_apic_bug;
/* 1 if "noapic" boot option passed */
extern int skip_ioapic_setup;
+/* 1 if the timer IRQ uses the '8259A Virtual Wire' mode */
+extern int timer_through_8259;
+
static inline void disable_ioapic_setup(void)
{
skip_ioapic_setup = 1;
@@ -162,6 +165,7 @@ extern void ioapic_init_mappings(void);
#else /* !CONFIG_X86_IO_APIC */
#define io_apic_assign_pci_irqs 0
+static const int timer_through_8259 = 0;
#endif
#endif
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