Commit 10929eac authored by Sherry Sun's avatar Sherry Sun Committed by Greg Kroah-Hartman
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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: default avatarSherry Sun <sherry.sun@nxp.com>
Link: https://lore.kernel.org/r/20221214031137.28815-3-sherry.sun@nxp.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c4c81db5

drivers/tty/serial/fsl_lpuart.c

+2 −2
Original line number Diff line number Diff line
@@ -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);