RFC: GSM flowcontrol handling, GTA01 and GTA02

[Werner Almesberger]

Mike (mwester) wrote:
> neo1973_pm_gsm.c.  All we really want is to leave the UART in 
> auto-flowcontrol mode, but override the RTS line by switching it to GPIO 
> mode.

Okay, since serial/s3c2410.c doesn't reconfigure the GPIOs, this should
indeed work. You still have to check if any data has been received in
the "cooling down" period, though, since that wouldn't even produce an
interrupt to wake us up again.

- Werner