From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrey Smirnov Subject: [PATCH v2 09/23] tty: serial: fsl_lpuart: Drop no-op bit opearation Date: Wed, 31 Jul 2019 10:30:31 -0700 Message-ID: <20190731173045.11718-10-andrew.smirnov@gmail.com> References: <20190731173045.11718-1-andrew.smirnov@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190731173045.11718-1-andrew.smirnov@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-serial@vger.kernel.org Cc: Andrey Smirnov , Stefan Agner , Chris Healy , Cory Tusar , Lucas Stach , Greg Kroah-Hartman , Jiri Slaby , linux-imx@nxp.com, linux-kernel@vger.kernel.org List-Id: linux-serial@vger.kernel.org The check for termios->c_cflag & CRTSCTS ensure that if we reach else branch, CRTSCTS in termios->c_cflag is already going to be cleard. Doing so explicitly there is not necessary. Drop it. Signed-off-by: Andrey Smirnov Cc: Stefan Agner Cc: Chris Healy Cc: Cory Tusar Cc: Lucas Stach Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: linux-imx@nxp.com Cc: linux-serial@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/tty/serial/fsl_lpuart.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index ed6d3f836c93..b3cc44548b34 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1650,12 +1650,10 @@ lpuart_set_termios(struct uart_port *port, struct ktermios *termios, if (sport->port.rs485.flags & SER_RS485_ENABLED) termios->c_cflag &= ~CRTSCTS; - if (termios->c_cflag & CRTSCTS) { + if (termios->c_cflag & CRTSCTS) modem |= (UARTMODEM_RXRTSE | UARTMODEM_TXCTSE); - } else { - termios->c_cflag &= ~CRTSCTS; + else modem &= ~(UARTMODEM_RXRTSE | UARTMODEM_TXCTSE); - } if (termios->c_cflag & CSTOPB) termios->c_cflag &= ~CSTOPB; -- 2.21.0