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Message-Id: <20230807214556.540627-7-hugo@hugovil.com>
Date: Mon, 7 Aug 2023 17:45:56 -0400
From: Hugo Villeneuve <hugo@...ovil.com>
To: gregkh@...uxfoundation.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
jirislaby@...nel.org, jringle@...dpoint.com,
tomasz.mon@...lingroup.com, l.perczak@...lintechnologies.com
Cc: linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, hugo@...ovil.com,
linux-gpio@...r.kernel.org,
Hugo Villeneuve <hvilleneuve@...onoff.com>,
Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
Lech Perczak <lech.perczak@...lingroup.com>
Subject: [PATCH v10 6/6] serial: sc16is7xx: add missing support for rs485 devicetree properties
From: Hugo Villeneuve <hvilleneuve@...onoff.com>
Retrieve rs485 devicetree properties on registration of sc16is7xx ports in
case they are attached to an rs485 transceiver.
Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Reviewed-by: Lech Perczak <lech.perczak@...lingroup.com>
Tested-by: Lech Perczak <lech.perczak@...lingroup.com>
---
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 cfc88959b2f7..f61d98e09dc3 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -1554,6 +1554,10 @@ 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
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