UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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 <sherry.sun@nxp.com>
Link: https://lore.kernel.org/r/20221214031137.28815-3-sherry.sun@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sherry Sun 2022-12-14 11:11:36 +08:00 committed by Greg Kroah-Hartman
parent c4c81db5cf
commit 10929eac41
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/tty/serial/fsl_lpuart.c
View File

@ -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);