From 397bd9211fe014b347ca8f95a8f4e1017bac1aeb Mon Sep 17 00:00:00 2001 From: Andy Duan Date: Tue, 16 Oct 2018 07:32:22 +0000 Subject: [PATCH] serial: fsl_lpuart: clear parity enable bit when disable parity MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Andy Duan Reviewed-by: Fabio Estevam Acked-by: Uwe Kleine-König Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/fsl_lpuart.c | 4 ++++ 1 file changed, 4 insertions(+) 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 */ -- 2.30.2