linux-kernel - [PATCH 04/10] USB: serial: xr: use termios flag helpers

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Date:   Thu, 21 Jan 2021 11:29:16 +0100
From:   Johan Hovold <johan@...nel.org>
To:     linux-usb@...r.kernel.org
Cc:     Manivannan Sadhasivam <mani@...nel.org>,
        linux-kernel@...r.kernel.org, Johan Hovold <johan@...nel.org>
Subject: [PATCH 04/10] USB: serial: xr: use termios flag helpers

Use the termios flag helpers consistently, including for CRTSCTS.

Signed-off-by: Johan Hovold <johan@...nel.org>
---
 drivers/usb/serial/xr_serial.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/serial/xr_serial.c b/drivers/usb/serial/xr_serial.c
index 8f81f866d681..52909dccb4dc 100644
--- a/drivers/usb/serial/xr_serial.c
+++ b/drivers/usb/serial/xr_serial.c
@@ -401,7 +401,6 @@ static int xr_set_baudrate(struct tty_struct *tty,
 static void xr_set_flow_mode(struct tty_struct *tty,
 			     struct usb_serial_port *port)
 {
-	unsigned int cflag = tty->termios.c_cflag;
 	u8 flow, gpio_mode;
 	int ret;
 
@@ -409,7 +408,7 @@ static void xr_set_flow_mode(struct tty_struct *tty,
 	if (ret)
 		return;
 
-	if (cflag & CRTSCTS) {
+	if (C_CRTSCTS(tty)) {
 		dev_dbg(&port->dev, "Enabling hardware flow ctrl\n");
 
 		/*
-- 
2.26.2