[PATCH] i2c: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]). Some trailing
whitespaces are also removed.

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c
index 2854d85..7e2e8cd 100644
--- a/drivers/i2c/busses/i2c-parport.c
+++ b/drivers/i2c/busses/i2c-parport.c
@@ -241,14 +241,11 @@
 
 static int __init i2c_parport_init(void)
 {
-	int type_count;
-
-	type_count = sizeof(adapter_parm)/sizeof(struct adapter_parm);
-	if (type < 0 || type >= type_count) {
+	if (type < 0 || type >= ARRAY_SIZE(adapter_parm)) {
 		printk(KERN_WARNING "i2c-parport: invalid type (%d)\n", type);
 		type = 0;
 	}
-	
+
 	return parport_register_driver(&i2c_parport_driver);
 }