[PATCH] V850: user ARRAY_SIZE macro when appropriate

Use ARRAY_SIZE macro already defined in linux/kernel.h

Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/v850/kernel/fpga85e2c.c b/arch/v850/kernel/fpga85e2c.c
index cb04a69..5c49235 100644
--- a/arch/v850/kernel/fpga85e2c.c
+++ b/arch/v850/kernel/fpga85e2c.c
@@ -138,7 +138,7 @@
 	{ "RPU", IRQ_RPU(0),	IRQ_RPU_NUM,	1, 6 },
 	{ 0 }
 };
-#define NUM_IRQ_INITS ((sizeof irq_inits / sizeof irq_inits[0]) - 1)
+#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1)
 
 struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS];