Commit bff09b09 authored by Lucas Stach's avatar Lucas Stach Committed by Greg Kroah-Hartman
Browse files

serial/imx: disable hardware flow control at startup 



We only want to enable hardware flow control if RTS/CTS pins
are connected.

Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
Signed-off-by: default avatarMarkus Pargmann <mpa@pengutronix.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e4aa937e

drivers/tty/serial/imx.c

+2 −0
Original line number Diff line number Diff line
@@ -761,6 +761,8 @@ static int imx_startup(struct uart_port *port) 


	temp = readl(sport->port.membase + UCR2);

	temp |= (UCR2_RXEN | UCR2_TXEN);

	if (!sport->have_rtscts)

		temp |= UCR2_IRTS;

	writel(temp, sport->port.membase + UCR2);



	if (USE_IRDA(sport)) {