[PATCH v6 7/9] serial: sc16is7xx: add call to get rs485 DT flags and properties

From: Hugo Villeneuve
Date: Thu Jun 01 2023 - 16:19:36 EST


From: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>

Add call to uart_get_rs485_mode() to probe for RS485 flags and
properties from device tree.

Signed-off-by: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
Reviewed-by: Lech Perczak <lech.perczak@xxxxxxxxxxxxxxx>
Tested-by: Lech Perczak <lech.perczak@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/sc16is7xx.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index 2fa09baf28e3..388c1d490853 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -1544,6 +1544,10 @@ static int sc16is7xx_probe(struct device *dev,
goto out_ports;
}

+ ret = uart_get_rs485_mode(&s->p[i].port);
+ if (ret)
+ goto out_ports;
+
/* Disable all interrupts */
sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_IER_REG, 0);
/* Disable TX/RX */
--
2.30.2