x86: clean up struct irqaction initializers

clean up struct irqaction initializers to C99.
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/kernel/i8259_32.c

@@ -349,7 +349,11 @@ static irqreturn_t math_error_irq(int cpl, void *dev_id)
  * New motherboards sometimes make IRQ 13 be a PCI interrupt,
  * so allow interrupt sharing.
  */
-static struct irqaction fpu_irq = { math_error_irq, 0, CPU_MASK_NONE, "fpu", NULL, NULL };
+static struct irqaction fpu_irq = {
+	.handler = math_error_irq,
+	.mask = CPU_MASK_NONE,
+	.name = "fpu",
+};
 
 void __init init_ISA_irqs (void)
 {

arch/x86/mach-default/setup.c

@@ -35,7 +35,11 @@ void __init pre_intr_init_hook(void)
 /*
  * IRQ2 is cascade interrupt to second interrupt controller
  */
-static struct irqaction irq2 = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL};
+static struct irqaction irq2 = {
+	.handler = no_action,
+	.mask = CPU_MASK_NONE,
+	.name = "cascade",
+};
 
 /**
  * intr_init_hook - post gate setup interrupt initialisation

arch/x86/mach-voyager/setup.c

@@ -18,7 +18,11 @@ void __init pre_intr_init_hook(void)
 /*
  * IRQ2 is cascade interrupt to second interrupt controller
  */
-static struct irqaction irq2 = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL};
+static struct irqaction irq2 = {
+	.handler = no_action,
+	.mask = CPU_MASK_NONE,
+	.name = "cascade",
+};
 
 void __init intr_init_hook(void)
 {