These uart_ops structures are only stored in the ops field of a
uart_port structure and this fields is const, so the uart_ops
structures can also be const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <redacted>

---
 drivers/tty/serial/apbuart.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/apbuart.c b/drivers/tty/serial/apbuart.c
index 75eb083..dd60ed9 100644
--- a/drivers/tty/serial/apbuart.c
+++ b/drivers/tty/serial/apbuart.c

@@ -325,7 +325,7 @@ static int apbuart_verify_port(struct uart_port *port,
 	return ret;
 }
 
-static struct uart_ops grlib_apbuart_ops = {
+static const struct uart_ops grlib_apbuart_ops = {
 	.tx_empty = apbuart_tx_empty,
 	.set_mctrl = apbuart_set_mctrl,
 	.get_mctrl = apbuart_get_mctrl,