serial: 8250: Cleanup MCR literals

Use proper names from MCR bits.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221125130509.8482-4-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index c870ee8..e79bf2a 100644 (file)
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -1267,7 +1267,7 @@ static void autoconfig(struct uart_8250_port *up)
         * that conflicts with COM 1-4 --- we hope!
         */
        if (!(port->flags & UPF_SKIP_TEST)) {
-               serial8250_out_MCR(up, UART_MCR_LOOP | 0x0A);
+               serial8250_out_MCR(up, UART_MCR_LOOP | UART_MCR_OUT2 | UART_MCR_RTS);
                status1 = serial_in(up, UART_MSR) & UART_MSR_STATUS_BITS;
                serial8250_out_MCR(up, save_mcr);
                if (status1 != (UART_MSR_DCD | UART_MSR_CTS)) {