Hi

On Sat, Feb 9, 2013 at 7:48 AM, sunil <sunil.slvphsn@gmail.com> wrote:
Hi all,

need help, I am trying to write simple device driver. But before that
i need to download kernel source code tree
someone please explain how to download  this and configure. I am very
new to this. I am using ubuntu 12.04

https://help.ubuntu.com/community/Kernel/Compile
https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel
https://wiki.ubuntu.com/KernelCustomBuild