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tty: serial: fsl_lpuart: Clear CSTOPB unconditionally 

Clearing CSTOPB bit if it is set is functionally equivalent to jsut
clearing it unconditionally. Drop unnecessary check.

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/20190729195226.8862-13-andrew.smirnov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andrey Smirnov 2019-07-29 12:52:14 -07:00 committed by Greg Kroah-Hartman
parent bcfa46bfb9
commit 76e3f2ac4a
1 changed files with 1 additions and 2 deletions
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3
drivers/tty/serial/fsl_lpuart.c
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@ -1655,8 +1655,7 @@ lpuart_set_termios(struct uart_port *port, struct ktermios *termios,
else else
modem &= ~(UARTMODEM_RXRTSE | UARTMODEM_TXCTSE); modem &= ~(UARTMODEM_RXRTSE | UARTMODEM_TXCTSE);
if (termios->c_cflag & CSTOPB) termios->c_cflag &= ~CSTOPB;
termios->c_cflag &= ~CSTOPB;
/* parity must be enabled when CS7 to match 8-bits format */ /* parity must be enabled when CS7 to match 8-bits format */
if ((termios->c_cflag & CSIZE) == CS7) if ((termios->c_cflag & CSIZE) == CS7)