Hello everyone, I hate to repeat my question but so far I could'nt get any answer from anywhere (including this ML), so let me repeat my question one last time as it's VERY important for me. If I am to write a driver for a device attached to my parallel port, there is a complete parport subsystem inside the kernel to help my driver out. But what about the devices attached to my serial port? Is there a subsystem for that as well or I'll need to talk to my port directly? I applogize for the repetition once again. Thanks. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/