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tty: serial: fsl_lpuart: Drop no-op bit opearation 

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 <andrew.smirnov@gmail.com>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Cory Tusar <cory.tusar@zii.aero>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: linux-imx@nxp.com
Cc: linux-serial@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Link: https://lore.kernel.org/r/20190729195226.8862-11-andrew.smirnov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andrey Smirnov 2019-07-29 12:52:12 -07:00 committed by Greg Kroah-Hartman
parent 93b9523a8e
commit d26454ee3c
1 changed files with 2 additions and 4 deletions
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6
drivers/tty/serial/fsl_lpuart.c
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@ -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;