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| author | Lucas Stach <l.stach@pengutronix.de> | 2013-05-30 15:47:04 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-03 10:08:28 -0700 |
| commit | bff09b099b31a31573b3c5943f805f6a08c714f0 (patch) | |
| tree | a8ef4347d875e786a329a61f8d3bb6b297a94cad /drivers/tty | |
| parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
| download | linux-stable-bff09b099b31a31573b3c5943f805f6a08c714f0.tar.gz linux-stable-bff09b099b31a31573b3c5943f805f6a08c714f0.tar.bz2 linux-stable-bff09b099b31a31573b3c5943f805f6a08c714f0.zip | |
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>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/imx.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 147c9e193595..8cdfbd365892 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -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)) { |