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From: Hugo Villeneuve <hugo@hugovil.com>
To: gregkh@linuxfoundation.org, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
	jirislaby@kernel.org, jringle@gridpoint.com,
	tomasz.mon@camlingroup.com, l.perczak@camlintechnologies.com
Cc: linux-serial@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, hugo@hugovil.com,
	linux-gpio@vger.kernel.org,
	"Hugo Villeneuve" <hvilleneuve@dimonoff.com>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Lech Perczak" <lech.perczak@camlingroup.com>
Subject: [PATCH v6 7/9] serial: sc16is7xx: add call to get rs485 DT flags and properties
Date: Thu,  1 Jun 2023 16:18:42 -0400	[thread overview]
Message-ID: <20230601201844.3739926-8-hugo@hugovil.com> (raw)
In-Reply-To: <20230601201844.3739926-1-hugo@hugovil.com>

From: Hugo Villeneuve <hvilleneuve@dimonoff.com>

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

Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Lech Perczak <lech.perczak@camlingroup.com>
Tested-by: Lech Perczak <lech.perczak@camlingroup.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 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


  parent reply	other threads:[~2023-06-01 20:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-01 20:18 [PATCH v6 0/9] serial: sc16is7xx: fix GPIO regression and rs485 improvements Hugo Villeneuve
2023-06-01 20:18 ` [PATCH v6 1/9] serial: sc16is7xx: fix broken port 0 uart init Hugo Villeneuve
2023-06-01 20:18 ` [PATCH v6 2/9] serial: sc16is7xx: mark IOCONTROL register as volatile Hugo Villeneuve
2023-06-01 20:18 ` [PATCH v6 3/9] serial: sc16is7xx: refactor GPIO controller registration Hugo Villeneuve
2023-06-01 20:18 ` [PATCH v6 4/9] dt-bindings: sc16is7xx: Add property to change GPIO function Hugo Villeneuve
2023-06-01 20:18 ` [PATCH v6 5/9] serial: sc16is7xx: fix regression with GPIO configuration Hugo Villeneuve
2023-06-01 21:30   ` andy.shevchenko
2023-06-02  0:41     ` Hugo Villeneuve
2023-06-02  1:25       ` Hugo Villeneuve
2023-06-02 12:58         ` Andy Shevchenko
2023-06-02 13:06           ` Hugo Villeneuve
2023-06-01 20:18 ` [PATCH v6 6/9] serial: sc16is7xx: fix bug when first setting GPIO direction Hugo Villeneuve
2023-06-01 20:18 ` Hugo Villeneuve [this message]
2023-06-01 20:18 ` [PATCH v6 8/9] serial: sc16is7xx: add post reset delay Hugo Villeneuve
2023-06-01 20:18 ` [PATCH v6 9/9] serial: sc16is7xx: improve comments about variants Hugo Villeneuve

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