Commits
Uwe Kleine-König committed e881d3f3faf
serial: imx: fix polarity of RI
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>