Hi list, I have seen many people complaint about over-use of ioctl() for drivers, but why it is a over-use? Why using ioctl() is not recommended now while most books on this field still tell the new comers to use it? If ioctl() should not be used any more, what is the best alternative? TIA Yang -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/