linux-kernel - [PATCH 5.10 023/141] serial: atmel: remove redundant assignment in rs485

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Date:   Mon, 26 Sep 2022 12:10:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Richard Genoud <richard.genoud@...il.com>,
        Lino Sanfilippo <LinoSanfilippo@....de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 023/141] serial: atmel: remove redundant assignment in rs485_config

From: Lino Sanfilippo <LinoSanfilippo@....de>

[ Upstream commit 60efd0513916f195dd85bfbf21653f74f9ab019c ]

In uart_set_rs485_config() the serial core already assigns the passed
serial_rs485 struct to the uart port.

So remove the assignment from the drivers rs485_config() function to avoid
redundancy.

Reviewed-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
Acked-by: Richard Genoud <richard.genoud@...il.com>
Signed-off-by: Lino Sanfilippo <LinoSanfilippo@....de>
Link: https://lore.kernel.org/r/20220410104642.32195-10-LinoSanfilippo@gmx.de
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Stable-dep-of: 692a8ebcfc24 ("tty: serial: atmel: Preserve previous USART mode if RS485 disabled")
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/tty/serial/atmel_serial.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 602065bfc9bb..e7526060926d 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -298,11 +298,9 @@ static int atmel_config_rs485(struct uart_port *port,
 	/* Resetting serial mode to RS232 (0x0) */
 	mode &= ~ATMEL_US_USMODE;
 
-	port->rs485 = *rs485conf;
-
 	if (rs485conf->flags & SER_RS485_ENABLED) {
 		dev_dbg(port->dev, "Setting UART to RS485\n");
-		if (port->rs485.flags & SER_RS485_RX_DURING_TX)
+		if (rs485conf->flags & SER_RS485_RX_DURING_TX)
 			atmel_port->tx_done_mask = ATMEL_US_TXRDY;
 		else
 			atmel_port->tx_done_mask = ATMEL_US_TXEMPTY;
-- 
2.35.1