developing linux device drivers

http://free-electrons.com/docs/

http://www.linuxfordevices.com/c/a/News/Free-Linux-training-materials-posted/

http://www.ehow.com/way_5443596_linux-device-driver-tutorial.html

http://www.linuxjournal.com/article/7353

http://digg.com/linux_unix/Writing_device_drivers_in_Linux_A_brief_tutorial

http://www.cyberciti.biz/tips/linux-device-driver-program-howto.html

http://www.cyberciti.biz/tips/download-of-the-day-linux-kernel-in-a-nutshell-book.html

http://www.cyberciti.biz/tips/linux-driver-development-help.html

Simple introduction to develop device drivers
http://linuxdevcenter.com/pub/a/linux/2007/07/05/devhelloworld-a-simple-introduction-to-device-drivers-under-linux.html

http://lwn.net/Kernel/LDD3/

http://www.networkcomputing.com/unixworld/tutorial/010/010.txt.html

Debian kernel handbook
http://kernel-handbook.alioth.debian.org/

http://www.linuxfoundation.org/

http://www.freeos.com/articles/2677/