serial: 8250_pericom: Use UART_LCR_DLAB

Use UART_LCR_DLAB instead of literal.

Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220613075736.12283-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_pericom.c b/drivers/tty/serial/8250/8250_pericom.c
index 95ff10f25d58aa5c7e5db838b76a766245849f90..b8d5b7714a9dd3b20657d6bd524e8db72363164e 100644 (file)
--- a/drivers/tty/serial/8250/8250_pericom.c
+++ b/drivers/tty/serial/8250/8250_pericom.c
@@ -73,7 +73,7 @@ static void pericom_do_set_divisor(struct uart_port *port, unsigned int baud,
                        struct uart_8250_port *up = up_to_u8250p(port);
                        int lcr = serial_port_in(port, UART_LCR);
 
-                       serial_port_out(port, UART_LCR, lcr | 0x80);
+                       serial_port_out(port, UART_LCR, lcr | UART_LCR_DLAB);
                        serial_dl_write(up, divisor);
                        serial_port_out(port, 2, 16 - scr);
                        serial_port_out(port, UART_LCR, lcr);