serial: omap-serial: Use common rs485 device tree parsing function

We just got a common helper for parsing the rs485 specific
device tree properties. Use it and drop the open coded parser.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 7754053deedac9064316dd74c290f29ec154f597..580f56754699acdf53d9ed38deb01876c25490dc 100644 (file)
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1606,7 +1606,6 @@ static int serial_omap_probe_rs485(struct uart_omap_port *up,
                                   struct device_node *np)
 {
        struct serial_rs485 *rs485conf = &up->port.rs485;
-       u32 rs485_delay[2];
        enum of_gpio_flags flags;
        int ret;
 
@@ -1637,17 +1636,7 @@ static int serial_omap_probe_rs485(struct uart_omap_port *up,
                up->rts_gpio = -EINVAL;
        }
 
-       if (of_property_read_u32_array(np, "rs485-rts-delay",
-                                   rs485_delay, 2) == 0) {
-               rs485conf->delay_rts_before_send = rs485_delay[0];
-               rs485conf->delay_rts_after_send = rs485_delay[1];
-       }
-
-       if (of_property_read_bool(np, "rs485-rx-during-tx"))
-               rs485conf->flags |= SER_RS485_RX_DURING_TX;
-
-       if (of_property_read_bool(np, "linux,rs485-enabled-at-boot-time"))
-               rs485conf->flags |= SER_RS485_ENABLED;
+       of_get_rs485_mode(np, rs485conf);
 
        return 0;
 }