[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/rte_cb.c b/arch/v850/kernel/rte_cb.c
index 0f7f6cd..43018e1 100644
--- a/arch/v850/kernel/rte_cb.c
+++ b/arch/v850/kernel/rte_cb.c
@@ -15,6 +15,7 @@
 #include <linux/irq.h>
 #include <linux/fs.h>
 #include <linux/module.h>
+#include <linux/kernel.h>
 
 #include <asm/machdep.h>
 #include <asm/v850e_uart.h>
@@ -176,8 +177,7 @@
 #endif
 	{ 0 }
 };
-#define NUM_GBUS_IRQ_INITS  \
-   ((sizeof gbus_irq_inits / sizeof gbus_irq_inits[0]) - 1)
+#define NUM_GBUS_IRQ_INITS (ARRAY_SIZE(gbus_irq_inits) - 1)
 
 static struct hw_interrupt_type gbus_hw_itypes[NUM_GBUS_IRQ_INITS];