serial: 8250_early: Convert literals to use defines

Use existing defines for the serial register values in 8250_early.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221125130509.8482-7-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c
index f271bec..0ebde0a 100644 (file)
--- a/drivers/tty/serial/8250/8250_early.c
+++ b/drivers/tty/serial/8250/8250_early.c
@@ -136,11 +136,11 @@ static void __init init_port(struct earlycon_device *device)
        unsigned char c;
        unsigned int ier;
 
-       serial8250_early_out(port, UART_LCR, 0x3);      /* 8n1 */
+       serial8250_early_out(port, UART_LCR, UART_LCR_WLEN8);           /* 8n1 */
        ier = serial8250_early_in(port, UART_IER);
        serial8250_early_out(port, UART_IER, ier & UART_IER_UUE); /* no interrupt */
        serial8250_early_out(port, UART_FCR, 0);        /* no fifo */
-       serial8250_early_out(port, UART_MCR, 0x3);      /* DTR + RTS */
+       serial8250_early_out(port, UART_MCR, UART_MCR_DTR | UART_MCR_RTS);
 
        if (port->uartclk) {
                divisor = DIV_ROUND_CLOSEST(port->uartclk, 16 * device->baud);