x86: move eisa_set_level_irq declaration to header

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 2 deletions

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index c49ebcc6c41e..671591fcc61d 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -507,8 +507,6 @@ int acpi_register_gsi(u32 gsi, int triggering, int polarity)
          * Make sure all (legacy) PCI IRQs are set as level-triggered.
          */
         if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) {
-                extern void eisa_set_level_irq(unsigned int irq);
-
                 if (triggering == ACPI_LEVEL_SENSITIVE)
                         eisa_set_level_irq(gsi);
         }