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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,
	isaac.true@canonical.com, jesse.sung@canonical.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: [RESEND PATCH v8 08/10] serial: sc16is7xx: add call to get rs485 DT flags and properties
Date: Fri, 21 Jul 2023 12:18:38 -0400	[thread overview]
Message-ID: <20230721161840.1393996-9-hugo@hugovil.com> (raw)
In-Reply-To: <20230721161840.1393996-1-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 07ae889db296..49213be60baf 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -1549,6 +1549,10 @@ 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:[~2023-07-21 16:21 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-21 16:18 [RESEND PATCH v8 00/10] serial: sc16is7xx: fix GPIO regression and rs485 improvements Hugo Villeneuve
2023-07-21 16:18 ` [RESEND PATCH v8 01/10] serial: sc16is7xx: fix broken port 0 uart init Hugo Villeneuve
2023-07-21 16:18 ` [RESEND PATCH v8 02/10] serial: sc16is7xx: mark IOCONTROL register as volatile Hugo Villeneuve
2023-07-21 16:18 ` [RESEND PATCH v8 03/10] serial: sc16is7xx: remove obsolete out_thread label Hugo Villeneuve
2023-07-21 16:18 ` [RESEND PATCH v8 04/10] serial: sc16is7xx: refactor GPIO controller registration Hugo Villeneuve
2023-07-21 16:18 ` [RESEND PATCH v8 05/10] dt-bindings: sc16is7xx: Add property to change GPIO function Hugo Villeneuve
2023-07-21 16:18 ` [RESEND PATCH v8 06/10] serial: sc16is7xx: fix regression with GPIO configuration Hugo Villeneuve
2023-07-21 19:24   ` Rob Herring
2023-07-22 14:47     ` Hugo Villeneuve
2023-07-22 15:15       ` Greg KH
2023-07-24 15:54         ` Hugo Villeneuve
2023-07-31 15:31           ` Rob Herring
2023-07-31 16:46             ` Hugo Villeneuve
2023-07-31 18:04               ` Rob Herring
2023-07-31 18:41                 ` Hugo Villeneuve
2023-08-03 17:54                   ` Hugo Villeneuve
2023-08-03 20:10                     ` Rob Herring
2023-08-03 21:38                       ` Hugo Villeneuve
2023-08-07 14:55                         ` Hugo Villeneuve
2023-07-21 16:18 ` [RESEND PATCH v8 07/10] serial: sc16is7xx: fix bug when first setting GPIO direction Hugo Villeneuve
2023-07-21 16:18 ` Hugo Villeneuve [this message]
2023-07-21 16:18 ` [RESEND PATCH v8 09/10] serial: sc16is7xx: add post reset delay Hugo Villeneuve
2023-07-21 16:18 ` [RESEND PATCH v8 10/10] serial: sc16is7xx: improve comments about variants Hugo Villeneuve

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