[PATCH] drivers/mtd: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove
duplicates of the macro.

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Cc: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/mtd/maps/ocotea.c b/drivers/mtd/maps/ocotea.c
index c223514..a21fcd1 100644
--- a/drivers/mtd/maps/ocotea.c
+++ b/drivers/mtd/maps/ocotea.c
@@ -58,8 +58,6 @@
 	}
 };
 
-#define NB_OF(x)  (sizeof(x)/sizeof(x[0]))
-
 int __init init_ocotea(void)
 {
 	u8 fpga0_reg;
@@ -97,7 +95,7 @@
 	if (flash) {
 		flash->owner = THIS_MODULE;
 		add_mtd_partitions(flash, ocotea_small_partitions,
-					NB_OF(ocotea_small_partitions));
+					ARRAY_SIZE(ocotea_small_partitions));
 	} else {
 		printk("map probe failed for flash\n");
 		return -ENXIO;
@@ -118,7 +116,7 @@
 	if (flash) {
 		flash->owner = THIS_MODULE;
 		add_mtd_partitions(flash, ocotea_large_partitions,
-					NB_OF(ocotea_large_partitions));
+					ARRAY_SIZE(ocotea_large_partitions));
 	} else {
 		printk("map probe failed for flash\n");
 		return -ENXIO;