[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_mb_a_pci.c b/arch/v850/kernel/rte_mb_a_pci.c
index 35213fa..35a4bd5 100644
--- a/arch/v850/kernel/rte_mb_a_pci.c
+++ b/arch/v850/kernel/rte_mb_a_pci.c
@@ -70,8 +70,7 @@
 	/* PCI slot 2 */
 	{ 9, 	IRQ_MB_A_PCI2(0),	1 }
 };
-#define NUM_MB_PCI_DEV_IRQS \
-  (sizeof mb_pci_dev_irqs / sizeof mb_pci_dev_irqs[0])
+#define NUM_MB_PCI_DEV_IRQS ARRAY_SIZE(mb_pci_dev_irqs)
 
 
 /* PCI configuration primitives.  */