diff mbox series

[3/3] tty: serial: imx: disable the break condition when shutdown the uart port

Message ID 20221214031137.28815-4-sherry.sun@nxp.com
State New
Headers show
Series tty: serial: fsl_lpuart/imx: improve the TX break settings | expand

Commit Message

Sherry Sun Dec. 14, 2022, 3:11 a.m. UTC 
The comment in imx_uart_shutdown() says to disable the break condition,
but it doesn't actually do that, here fix this by disabling UCR1_SNDBRK
when closing the uart port like other uart drivers do.

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
---
 drivers/tty/serial/imx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 757825edb0cd..74c9e68fc3bd 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1564,7 +1564,8 @@  static void imx_uart_shutdown(struct uart_port *port)
 	spin_lock_irqsave(&sport->port.lock, flags);
 
 	ucr1 = imx_uart_readl(sport, UCR1);
-	ucr1 &= ~(UCR1_TRDYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_RXDMAEN | UCR1_ATDMAEN);
+	ucr1 &= ~(UCR1_TRDYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_RXDMAEN |
+		  UCR1_ATDMAEN | UCR1_SNDBRK);
 	/* See SER_RS485_ENABLED/UTS_LOOP comment in imx_uart_probe() */
 	if (port->rs485.flags & SER_RS485_ENABLED &&
 	    port->rs485.flags & SER_RS485_RTS_ON_SEND &&