[PATCH] serial: imx: Enable RTSD only when needed

[Fabio Estevam]

On Wed, Apr 12, 2017 at 10:30 AM, Romain Perier
<romain.perier at collabora.com> wrote:
> From: Nandor Han <nandor.han at ge.com>
>
> Currently, this IRQ is always enabled. Some devices might mux these pins
> to other I/Os, like I2C. This could lead to spurious interrupts.
>
> This commit makes this IRQ optional, by using the field have_rtscts.
>
> Signed-off-by: Nandor Han <nandor.han at ge.com>
> Signed-off-by: Romain Perier <romain.perier at collabora.com>

Reviewed-by: Fabio Estevam <fabio.estevam at nxp.com>