[PATCH] drivers/video: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove
duplicates of ARRAY_SIZE.  Some coding style and trailing whitespaces are
also fixed.

Compile-tested where possible (some are other arch or BROKEN)

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/video/macmodes.c b/drivers/video/macmodes.c
index 2fc7108..c0385c6 100644
--- a/drivers/video/macmodes.c
+++ b/drivers/video/macmodes.c
@@ -380,7 +380,7 @@
     if (mode_option && !strncmp(mode_option, "mac", 3)) {
 	mode_option += 3;
 	db = mac_modedb;
-	dbsize = sizeof(mac_modedb)/sizeof(*mac_modedb);
+	dbsize = ARRAY_SIZE(mac_modedb);
     }
     return fb_find_mode(var, info, mode_option, db, dbsize,
 			&mac_modedb[DEFAULT_MODEDB_INDEX], default_bpp);