serial: sh-sci: Use SCSMR_CKS instead of hardcoded literal 3

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 300f641e730d1ac5dd107892f34aa90bba833fd7..206673f44a2943af580aac92f0ca9c42aa0ecb50 100644 (file)
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1969,7 +1969,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
 
        sci_reset(port);
 
-       smr_val |= serial_port_in(port, SCSMR) & 3;
+       smr_val |= serial_port_in(port, SCSMR) & SCSMR_CKS;
 
        uart_update_timeout(port, termios->c_cflag, baud);