M32R: cleanup struct irqaction initializers

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c
index 3858c9f..994cc15 100644
--- a/arch/m32r/kernel/time.c
+++ b/arch/m32r/kernel/time.c
@@ -228,8 +228,12 @@
 	return IRQ_HANDLED;
 }
 
-struct irqaction irq0 = { timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE,
-			  "MFT2", NULL, NULL };
+struct irqaction irq0 = {
+	.handler = timer_interrupt,
+	.flags = IRQF_DISABLED,
+	.mask = CPU_MASK_NONE,
+	.name = "MFT2",
+};
 
 void __init time_init(void)
 {