[LinuxPPS] LinuxPPS - odd behaviour. (Please Read)

[Udo van den Heuvel]

Rodolfo Giometti wrote:
>> The fact that I do get assert/clears doesn't mean the port is opened OK?
>> I thought that my simple 'open' would take over what the 'cat' normally
>> does.
> 
> Using 'cat' or open() is just the same. If you get assert/clear events
> means that the serial port is open()ed, since only with the open() the
> IRQ line of the serial port is registered into the system.

So why didn't it work?