[v4,3/3] serial: imx: get rid of imx_uart_rts_auto()
diff mbox series

Message ID 1563526074-20399-4-git-send-email-sorganov@gmail.com
State New
Headers show
Series
  • serial: imx: fix RTS and RTS/CTS handling
Related show

Commit Message

Sergey Organov July 19, 2019, 8:47 a.m. UTC
Called in only one place, for RS232, it only obscures things, as it
doesn't go well with 2 similar named functions,
imx_uart_rts_inactive() and imx_uart_rts_active(), that both are
RS485-specific.

Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sergey Organov <sorganov@gmail.com>
---
 drivers/tty/serial/imx.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

Patch
diff mbox series

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 34d61c4..971055b 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -402,13 +402,6 @@  static void imx_uart_rts_inactive(struct imx_port *sport, u32 *ucr2)
 	mctrl_gpio_set(sport->gpios, sport->port.mctrl);
 }
 
-/* called with port.lock taken and irqs caller dependent */
-static void imx_uart_rts_auto(struct imx_port *sport, u32 *ucr2)
-{
-	if (*ucr2 & UCR2_CTS)
-		*ucr2 |= UCR2_CTSC;
-}
-
 /* called with port.lock taken and irqs off */
 static void imx_uart_start_rx(struct uart_port *port)
 {
@@ -1600,8 +1593,10 @@  imx_uart_set_termios(struct uart_port *port, struct ktermios *termios,
 		else
 			imx_uart_rts_inactive(sport, &ucr2);
 
-	} else if (termios->c_cflag & CRTSCTS)
-		imx_uart_rts_auto(sport, &ucr2);
+	} else if (termios->c_cflag & CRTSCTS) {
+		if (ucr2 & UCR2_CTS)
+			ucr2 |= UCR2_CTSC;
+	}
 
 	if (termios->c_cflag & CRTSCTS)
 		ucr2 &= ~UCR2_IRTS;