Hello, now that rs485 works for me: On Thu, Sep 14, 2017 at 01:11:33PM +0100, Ian Jamison wrote: > UART core function uart_update_mctrl relies on a cached value of > modem control lines. This was used but not updated by local RTS > control functions within imx.c. These are used for RS485 line > driver enable signalling. Having an out-of-date value in the cached > mctrl can result in the transmitter being enabled when it shouldn't > be. > > Fix this by updating the mctrl value before applying it. > > Cc: Uwe-Kleine König <u.kleine-koenig@xxxxxxxxxxxxxx> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: Clemens Gruber <clemens.gruber@xxxxxxxxxxxx> > Cc: Fabio Estevam <festevam@xxxxxxxxx> > Cc: Fabio Estevam <fabio.estevam@xxxxxxx> > Signed-off-by: Ian Jamison <ian.dev@xxxxxxxxxx> Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> Tested-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> (I don't know if gregkh takes out my Cc: above (or all?), but if it's kept I'd like to have the position of - fixed in my name.) Thanks Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
