serial: fsl_lpuart: clear parity enable bit when disable parity
[ Upstream commit 397bd9211fe014b347ca8f95a8f4e1017bac1aeb ]
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>
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index e2ec049..5c471c3 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -1344,6 +1344,8 @@
else
cr1 &= ~UARTCR1_PT;
}
+ } else {
+ cr1 &= ~UARTCR1_PE;
}
/* ask the core to calculate the divisor */
@@ -1487,6 +1489,8 @@
else
ctrl &= ~UARTCTRL_PT;
}
+ } else {
+ ctrl &= ~UARTCTRL_PE;
}
/* ask the core to calculate the divisor */