Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19;
From:   =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>
To:     linux-serial@vger.kernel.org, Greg KH <gregkh@linuxfoundation.org>,
        Jiri Slaby <jirislaby@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc:     =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>
Subject: [PATCH 31/36] serial: imx: Remove serial_rs485 sanitization
Date:   Mon,  6 Jun 2022 13:04:28 +0300
Message-Id: <20220606100433.13793-32-ilpo.jarvinen@linux.intel.com>
In-Reply-To: <20220606100433.13793-1-ilpo.jarvinen@linux.intel.com>
References: <20220606100433.13793-1-ilpo.jarvinen@linux.intel.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Precedence: bulk

The driver provides different rs485_supported for the case where RTS is
not available making it unnecessary to handle it in
imx_uart_rs485_config.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
 drivers/tty/serial/imx.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index ba853bc9b4db..1e96ddd2e262 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1913,10 +1913,6 @@ static int imx_uart_rs485_config(struct uart_port *port,
 	struct imx_port *sport = (struct imx_port *)port;
 	u32 ucr2;
 
-	/* RTS is required to control the transmitter */
-	if (!sport->have_rtscts && !sport->have_rtsgpio)
-		rs485conf->flags &= ~SER_RS485_ENABLED;
-
 	if (rs485conf->flags & SER_RS485_ENABLED) {
 		/* Enable receiver if low-active RTS signal is requested */
 		if (sport->have_rtscts &&  !sport->have_rtsgpio &&
-- 
2.30.2