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

[Paul Fertser]

Andy Green <andy at openmoko.com> writes:
> Somebody in the thread at some point said:
> | 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.
>
> I was going to say then we stink up normal UART suspend function which
> doesn't know about GSM, but actually we can just do it in neo1973-pm-gsm
> suspend, it's neat and tidy.

For some reasoning about why user-space needs to apply/release this
flow-control instead of the kernel please consider looking at a) and
b) at http://trac.freesmartphone.org/ticket/31#comment:3

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