m68knommu: use ARRAY_SIZE in ColdFire serial driver

Use ARRAY_SIZE macroto get maximum ports in ColdFire serial driver.

Signed-off-by: Greg Ungerer <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index 051fcc2f5ba8a97509789f613de8470a0965faff..e76fc72c9b3610ab54dd2aec9b5814653e2257fe 100644 (file)
--- a/drivers/serial/mcf.c
+++ b/drivers/serial/mcf.c
@@ -434,7 +434,7 @@ static struct uart_ops mcf_uart_ops = {
 
 static struct mcf_uart mcf_ports[3];
 
-#define        MCF_MAXPORTS    (sizeof(mcf_ports) / sizeof(struct mcf_uart))
+#define        MCF_MAXPORTS    ARRAY_SIZE(mcf_ports)
 
 /****************************************************************************/
 #if defined(CONFIG_SERIAL_MCF_CONSOLE)