[MIPS] Use ARRAY_SIZE macro when appropriate

Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c
index d9ddb17..3c206bb 100644
--- a/arch/mips/mips-boards/malta/malta_int.c
+++ b/arch/mips/mips-boards/malta/malta_int.c
@@ -27,6 +27,7 @@
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
+#include <linux/kernel.h>
 #include <linux/random.h>
 
 #include <asm/i8259.h>
@@ -289,7 +290,7 @@
 	{MSC01C_INT_TMR,		MSC01_IRQ_EDGE, 0},
 	{MSC01C_INT_PCI,		MSC01_IRQ_LEVEL, 0},
 };
-int __initdata msc_nr_irqs = sizeof(msc_irqmap)/sizeof(msc_irqmap_t);
+int __initdata msc_nr_irqs = ARRAY_SIZE(msc_irqmap);
 
 msc_irqmap_t __initdata msc_eicirqmap[] = {
 	{MSC01E_INT_SW0,		MSC01_IRQ_LEVEL, 0},
@@ -303,7 +304,7 @@
 	{MSC01E_INT_PERFCTR,		MSC01_IRQ_LEVEL, 0},
 	{MSC01E_INT_CPUCTR,		MSC01_IRQ_LEVEL, 0}
 };
-int __initdata msc_nr_eicirqs = sizeof(msc_eicirqmap)/sizeof(msc_irqmap_t);
+int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap);
 
 void __init arch_init_irq(void)
 {