On 01/31/2012 08:51 AM, Bruce Ashfield wrote: > On 12-01-31 11:45 AM, autif khan wrote: >> I could not find a way to patch the kernel source before its is built. >> >> I promise to update the Yocto wiki's How do I section when I have a >> working solution for the following :-) > > This should be covered in the existing documentation and also the > more general bitbake/oe-core docs. > >> >> Here is what I am trying to do: >> >> 1) Patch the kernel (add VID/PID to hid_ignore_list in >> drivers/hid/hid-core.c and also to add the VID/PID to .h file) >> 2) Build the kernel - no change here - standard kernel build >> 3) Build a kernel module >> >> I have a meta layer where I am keeping my changes. I am guessing that I need >> to: >> >> a) write a bbappend file to accomplish #1 >> b) write a recipe to accomplish #3 >> >> I have written recipes before, but just for libraries and autotools >> based applications. Not for a kernel module. If there is a recipe out >> there for some other module, I would be happy to steal from it. >> >> Please advise how I can go about patching the kernel and if there is a > > It's just like any other package. If your changes are simple, then > generating patches and putting them on the SRC_URI via a bbappend in > your layer is all you need. If you have complex changes, there are options > to manage them via git or via feature descriptions. > >> recipe for a kernel module - please point me to it. > > Darren validated and updated the kernel module example, so he'd probably > got this closer at hand than I do.
See the hello-mod example under meta/recipes-kernel/hello-mod -- Darren Hart Intel Open Source Technology Center Yocto Project - Linux Kernel _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto
