[yocto] FW: YP Linux Kernel Development Manual

[Christian Ege]

 Am Dienstag, den 22.01.2013, 11:14 +0100 schrieb Darren Hart 
 <darren.hart at intel.com>:
> On 01/22/2013 12:59 AM, Christian Ege wrote:
>>  Hi,
>>  I am not sure if this is the problem you are struggling with.
>>  I am wondering why class module.bbclass behaves completely 
>> different
>>  than kernel.bbclacc
>>
>>>  hi, I follow the kernel development manual "2.5. Incorporating
>>> Out-of-Tree Modules",
>>>  copy the "hello-mod_0.1.bb" and "files" folder into my taget layer
>>> "meta-intel/meta-jasperforest/recipe-kernel", then add
>>> "MACHINE_EXTRA_
>>> RDEPENDS += "kernel-module-hello" in the conf/local.conf
>>>  after build and boot, there's no "hello.ko" found in the binary
>>> image
>>>  also there's no hello.ko in the "tmp/work/..." folder
>>
>>  If you hello-mod_0.1.bb inherits module class there is no mechanism
>>  to create the kernel-module package. This only applies to the
>>  kernel.bbclass
>>
>>  
>> http://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta/classes/module.bbclass
>>  
>> http://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta/classes/module-base.bbclass
>>
>>  Have a look at kernel.bbclass instead shows some pathon code which
>>  handles the module package creation:
>>  
>> http://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta/classes/kernel.bbclass#n301
>>
>>  I've fixed this in my layer by stealing the code from 
>> kernel.bbclass
>>  
>> https://github.com/project-magpie/meta-stlinux/blob/master/recipes-bsp/tdt-driver/tdt-driver.inc
>>
>>  With this you can also use the following extends with your module:
>>  module_autoload_aotom = "aotom"
>>  and
>>  module_conf_stmfb = "options stmfb
>>  display0=1280x720-32 at 50:8m:pal:yuv:yuv"
>
> Christian, this is a really good point I hadn't considered. Would you
> care to take a stab at adding this to module.bbclass and sending the
> patch to the oe-core list for review? CC'ing myself?

 I'll try to write a patch. Maybe tomorrow or by end of the week. I'll 
 send it to oe-core and
 to you in CC.

 regrads,

 Christian

>
> Thanks,