Occasional fail to initiate resume by incoming call, easy workaround proposed

[Werner Almesberger]

Andy Green wrote:
> along with toggling the flowcontrolled state.

How about toggling CTS when we set flowcontrolled before suspending ?
That way, we can't race with UART init. Even in the unlikely event
that we suspend before the modem has had time to bring up its UART,
it wouldn't matter because then nobody has set up the modem anyway.

- Werner