On Mon, Sep 09, 2013 at 06:01:15PM +0200, Paul Chavent wrote: > Hi. > > This series enable the PPS reporting for USB serial devices. I have nothing against with this solution but consider that reporting a PPS signal through USB bus may add unknown delays that may vanish clock stability... as far as I know you should not use USB serial port with PPS. Have you some statistics about clock stability in a real implementation? Ciao, Rodolfo -- GNU/Linux Solutions e-mail: giometti@xxxxxxxxxxxx Linux Device Driver giometti@xxxxxxxx Embedded Systems phone: +39 349 2432127 UNIX programming skype: rodolfo.giometti Freelance ICT Italia - Consulente ICT Italia - www.consulenti-ict.it -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html