diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c
index 32df2a0cb060..e409d7dac7ab 100644
--- a/drivers/tty/serial/altera_jtaguart.c
+++ b/drivers/tty/serial/altera_jtaguart.c
@@ -280,7 +280,7 @@ static int altera_jtaguart_verify_port(struct uart_port *port,
 /*
  *	Define the basic serial functions we support.
  */
-static struct uart_ops altera_jtaguart_ops = {
+static const struct uart_ops altera_jtaguart_ops = {
 	.tx_empty	= altera_jtaguart_tx_empty,
 	.get_mctrl	= altera_jtaguart_get_mctrl,
 	.set_mctrl	= altera_jtaguart_set_mctrl,
diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c
index 61b607f2488e..820a74208696 100644
--- a/drivers/tty/serial/altera_uart.c
+++ b/drivers/tty/serial/altera_uart.c
@@ -404,7 +404,7 @@ static void altera_uart_poll_put_char(struct uart_port *port, unsigned char c)
 /*
  *	Define the basic serial functions we support.
  */
-static struct uart_ops altera_uart_ops = {
+static const struct uart_ops altera_uart_ops = {
 	.tx_empty	= altera_uart_tx_empty,
 	.get_mctrl	= altera_uart_get_mctrl,
 	.set_mctrl	= altera_uart_set_mctrl,