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| author | Andy Duan <fugang.duan@nxp.com> | 2018-10-16 07:32:22 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-09 08:48:57 -0800 |
| commit | 397bd9211fe014b347ca8f95a8f4e1017bac1aeb (patch) | |
| tree | e2a0384924a3bf57abf50bca5726a371b7d2a411 | |
| parent | 61e169ee7683630ee0276dd5dcb5599976757770 (diff) | |
| download | linux-397bd9211fe014b347ca8f95a8f4e1017bac1aeb.tar.gz linux-397bd9211fe014b347ca8f95a8f4e1017bac1aeb.tar.bz2 linux-397bd9211fe014b347ca8f95a8f4e1017bac1aeb.zip | |
serial: fsl_lpuart: clear parity enable bit when disable parity
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>
| -rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index cabae83d43ab..241a48e5052c 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -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 */ |