On 17/12/10 11:21, Uwe Bonnes wrote:
>>>>>> "Pavel" == Pavel Troller <patrol@sinus.cz> writes:
>
>     Pavel> Hi!  As a technician, I need often to use some form of serial
>     Pavel> port communication.  My recent experience is with a program for
> ...
>     Pavel> power-cycled.  The radio is connected using a USB cable, which
>     Pavel> contains just a regular PL-2303 USB to serial converter, which is
>     Pavel> perfectly supported in Linux.  Port assignment for wine is also
>
> It seems that the PL2303 driver doesn't implement TIOCGICOUNT
> /usr/src/linux/usb/serial/pl2303.c

Well, no, this ioctl gets handled by the tty-layer. Yes, the driver needs
to define a get_icount-routine which it lacks.

Regards,

  Wolfram