Hi, On Fri, 14 Jun 2019 15:11:32 +0300 Sergey Organov wrote: > imx_set_termios() cleared RTS on every call, now fixed. > > Signed-off-by: Sergey Organov <sorganov@xxxxxxxxx> > --- > drivers/tty/serial/imx.c | 12 ++++++++---- > 1 file changed, 8 insertions(+), 4 deletions(-) > > diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c > index 8ee910f..de23068 100644 > --- a/drivers/tty/serial/imx.c > +++ b/drivers/tty/serial/imx.c > @@ -1564,6 +1564,13 @@ imx_uart_set_termios(struct uart_port *port, struct ktermios *termios, > > spin_lock_irqsave(&sport->port.lock, flags); > > + /* > + * Read current UCR2 and save it for future use, then clear all the bits > + * except those we will or may need to preserve. > + */ > + old_ucr2 = imx_uart_readl(sport, UCR2); > + ucr2 = old_ucr2 & (UCR2_TXEN | UCR2_RXEN | UCR2_ATEN | UCR2_CTSC); > + > ucr2 = UCR2_SRST | UCR2_IRTS; s/=/|=/ Lothar Waßmann
