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-rw-r--r--drivers/serial/mcf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index 051fcc2f5ba..e76fc72c9b3 100644
--- 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)