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serial: fsl_lpuart: clear parity enable bit when disable parity

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[ Upstream commit 397bd9211f ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Andy Duan
2018-10-16 07:32:22 +00:00
committed by Chris
parent 193e60ec97
commit 607bf17c86
1 changed files with 4 additions and 0 deletions
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4
drivers/tty/serial/fsl_lpuart.c
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@@ -1344,6 +1344,8 @@ 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 */
@@ -1487,6 +1489,8 @@ 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 */