diff options
| author | Max Krummenacher <max.krummenacher@toradex.com> | 2018-03-13 11:32:58 +0100 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2018-03-13 11:32:58 +0100 |
| commit | 6fb9f3c8a4992f67dcb3ce413df2e22e96b2d400 (patch) | |
| tree | 6e3071b2f179a62b027669ac2a238383293bf941 /drivers/tty/serial/imx.c | |
| parent | a126a5e5dc2fcc5cb36af14c89b440cc8e3bab30 (diff) | |
| parent | 8b5ab55d254f36e89b1b53aeac7223d2d102483e (diff) | |
Merge tag 'v4.4.121' into toradex_vf_4.4-nextColibri-VF_LXDE-Image_2.8b2.97-20180331
This is the 4.4.121 stable release
Diffstat (limited to 'drivers/tty/serial/imx.c')
| -rw-r--r-- | drivers/tty/serial/imx.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 016e4be05cec..98176d12b3e1 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2057,12 +2057,14 @@ static void serial_imx_enable_wakeup(struct imx_port *sport, bool on) val &= ~UCR3_AWAKEN; writel(val, sport->port.membase + UCR3); - val = readl(sport->port.membase + UCR1); - if (on) - val |= UCR1_RTSDEN; - else - val &= ~UCR1_RTSDEN; - writel(val, sport->port.membase + UCR1); + if (sport->have_rtscts) { + val = readl(sport->port.membase + UCR1); + if (on) + val |= UCR1_RTSDEN; + else + val &= ~UCR1_RTSDEN; + writel(val, sport->port.membase + UCR1); + } } static int imx_serial_port_suspend_noirq(struct device *dev) |