quoted

The IMX serial driver is broken in the 4.9.x tree since 4.9.89.
Uwe's patch

6df765dca378bddf994cfd2044acafa501bd800f

please apply to clear the situation.

I know you very busy! -

It's best to email stable@vger.kernel.org for stuff like this, as I
almost missed it...

Now queued up.

greg k-h

Thanks!
will follow up and cc the stable@ next time.

Chris