[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/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index edb306c..8e24be0 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -2035,7 +2035,7 @@
 		DEBUG(MTD_DEBUG_LEVEL3,
 		      "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
 			cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
-		for (i=0; i<sizeof(jedec_table)/sizeof(jedec_table[0]); i++) {
+		for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
 			if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
 				DEBUG( MTD_DEBUG_LEVEL3,
 				       "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",