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[5/9] serial: omap-serial: Use common rs485 device tree parsing function

Message ID 20170621102130.21024-6-u.kleine-koenig@pengutronix.de
State New
Headers show

Commit Message

Uwe Kleine-König June 21, 2017, 10:21 a.m. UTC 
From: Sascha Hauer <s.hauer@pengutronix.de>

We just got a common helper for parsing the rs485 specific
device tree properties. Use it and drop the open coded parser.
Note that the common helper is more strict and only evaluates the
optional properties if the required rs485-rts-delay is present.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-omap@vger.kernel.org

 drivers/tty/serial/omap-serial.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)
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Patch

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 1ea05ac57aa7..6e4728d3a24c 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1638,17 +1638,7 @@  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;
 }