diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c
index 98ca3e3fa8471f9cd490bf5fe31c7720f89b641f..c3fe7d3cf4827d803a0d1d6bfccddc5f80813d28 100644
--- a/arch/arm/kernel/fiq.c
+++ b/arch/arm/kernel/fiq.c
@@ -56,6 +56,8 @@
 static unsigned long dfl_fiq_insn;
 static struct pt_regs dfl_fiq_regs;
 
+extern int irq_activate(struct irq_desc *desc);
+
 /* Default reacquire function
  * - we always relinquish FIQ control
  * - we always reacquire FIQ control
@@ -140,6 +142,8 @@ static int fiq_start;
 
 void enable_fiq(int fiq)
 {
+	struct irq_desc *desc = irq_to_desc(fiq + fiq_start);
+	irq_activate(desc);
 	enable_irq(fiq + fiq_start);
 }