2 files changed, 3 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);
         }
diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h
index 1db2dff1ef49..1428b41dcbb9 100644
--- a/include/asm-x86/hw_irq.h
+++ b/include/asm-x86/hw_irq.h
@@ -79,6 +79,9 @@ extern void send_IPI(int dest, int vector);
 extern atomic_t irq_err_count;
 extern atomic_t irq_mis_count;
 
+/* EISA */
+extern void eisa_set_level_irq(unsigned int irq);
+
 /* Voyager functions */
 extern asmlinkage void vic_cpi_interrupt(void);
 extern asmlinkage void vic_sys_interrupt(void);