On Fri, Apr 11, 2008 at 03:46:52PM +0100, Alan Cox wrote:
quoted text
> 
> uart_ is only used by some drivers. We have a whole army of drivers using
> the tty layer directly and another army of drivers using the USB layer.
> 
> You also need a sensible way to talk to the devices, identify support and
> avoid clashing uses of carrier pins.

Hello Alan,

if I add a dedicated line discipline to register/unregister the PPS
source and I leave the pps_event management into
uart_handle_dcd_change() function, it can be acceptable?

The uart_handle_dcd_change() is generic and I need the DCD status to
correctly manage the pps_event. The USB layer is not useful for PPS
stuff.

Thanks for your suggestions,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail:    giometti@enneenne.com
Linux Device Driver                             giometti@linux.it
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UNIX programming                     skype:     rodolfo.giometti
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