Message ID | 1458825865-7434-2-git-send-email-u.kleine-koenig@pengutronix.de |
---|---|
State | New |
Headers | show |
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 231e7d5caf6c..bfc4555c63d1 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -797,9 +797,9 @@ static unsigned int imx_get_hwmctrl(struct imx_port *sport) if (!(usr1 & USR2_DCDIN)) tmp |= TIOCM_CAR; - /* in DCE mode RIIN is always 0 */ - if (readl(sport->port.membase + USR2) & USR2_RIIN) - tmp |= TIOCM_RI; + if (sport->dte_mode) + if (!(readl(sport->port.membase + USR2) & USR2_RIIN)) + tmp |= TIOCM_RI; return tmp; }
When in DTE mode, the bit USR2_RIIN is active low. So invert the logic accordingly. Fixes: 90ebc4838666 ("serial: imx: repair and complete handshaking") Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- drivers/tty/serial/imx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)