From 10929eac4144a656a966da69d8a5491395dc0a99 Mon Sep 17 00:00:00 2001 From: Sherry Sun Date: Wed, 14 Dec 2022 11:11:36 +0800 Subject: [PATCH] tty: serial: fsl_lpuart: disable the break condition when shutdown the uart port Need to disable the break condition for lpuart driver when closing the uart port like other uart drivers do. Signed-off-by: Sherry Sun Link: https://lore.kernel.org/r/20221214031137.28815-3-sherry.sun@nxp.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/fsl_lpuart.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index abe452f..63dff61 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1828,10 +1828,10 @@ static void lpuart32_shutdown(struct uart_port *port) temp &= ~(UARTBAUD_TDMAE | UARTBAUD_RDMAE); lpuart32_write(port, temp, UARTBAUD); - /* disable Rx/Tx and interrupts */ + /* disable Rx/Tx and interrupts and break condition */ temp = lpuart32_read(port, UARTCTRL); temp &= ~(UARTCTRL_TE | UARTCTRL_RE | UARTCTRL_ILIE | - UARTCTRL_TIE | UARTCTRL_TCIE | UARTCTRL_RIE); + UARTCTRL_TIE | UARTCTRL_TCIE | UARTCTRL_RIE | UARTCTRL_SBK); lpuart32_write(port, temp, UARTCTRL); spin_unlock_irqrestore(&port->lock, flags); -- 2.7.4