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serial: fsl_lpuart: clear parity enable bit when disable parity

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Current driver only enable parity enable bit and never clear it
when user set the termios. The fix clear the parity enable bit when
PARENB flag is not set in termios->c_cflag.

Cc: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Andy Duan <fugang.duan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Duan 2018-10-16 07:32:22 +00:00 committed by Greg Kroah-Hartman
parent 61e169ee76
commit 397bd9211f
1 changed files with 4 additions and 0 deletions
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4
drivers/tty/serial/fsl_lpuart.c
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@ -1479,6 +1479,8 @@ lpuart_set_termios(struct uart_port *port, struct ktermios *termios,
else
cr1 &= ~UARTCR1_PT;
}
} else {
cr1 &= ~UARTCR1_PE;
}
/* ask the core to calculate the divisor */
@ -1690,6 +1692,8 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios,
else
ctrl &= ~UARTCTRL_PT;
}
} else {
ctrl &= ~UARTCTRL_PE;
}
/* ask the core to calculate the divisor */