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Wed, 14 Dec 2022 03:13:54 +0000 From: Sherry Sun To: gregkh@linuxfoundation.org, jirislaby@kernel.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH 2/3] tty: serial: fsl_lpuart: disable the break condition when shutdown the uart port Date: Wed, 14 Dec 2022 11:11:36 +0800 Message-Id: <20221214031137.28815-3-sherry.sun@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221214031137.28815-1-sherry.sun@nxp.com> References: <20221214031137.28815-1-sherry.sun@nxp.com> X-ClientProxiedBy: SG3P274CA0010.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:be::22) To AS8PR04MB8404.eurprd04.prod.outlook.com (2603:10a6:20b:3f8::7) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR04MB8404:EE_|DB9PR04MB8316:EE_ X-MS-Office365-Filtering-Correlation-Id: d688fee5-0b37-4ec4-c5fb-08dadd813b77 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; 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Signed-off-by: Sherry Sun --- 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);