Commit bff09b09 authored May 30, 2013 by Lucas Stach Committed by Greg Kroah-Hartman Jun 03, 2013

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: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Greg 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)) {