lkml.org 
[lkml]   [2022]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/3] tty: serial: fsl_lpuart: disable the break condition when shutdown the uart port
Date
Need to disable the break condition for lpuart driver when closing
the uart port like other uart drivers do.

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
---
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 f487d3d2effe..584b26e0b947 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -1839,10 +1839,10 @@ 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);
--
2.17.1
\
 
 \ /
  Last update: 2022-12-14 04:15    [W:0.051 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site