[meta-ti] Turning off kernel config option

[Jack Mitchell]

On 07/08/12 18:41, Koen Kooi wrote:
>
> Op 7 aug. 2012, om 18:36 heeft Jack Mitchell <ml at communistcode.co.uk> het volgende geschreven:
>
>> On 07/08/2012 16:53, Denys Dmytriyenko wrote:
>>> On Tue, Aug 07, 2012 at 04:44:49PM +0100, Richard Purdie wrote:
>>>> On Tue, 2012-08-07 at 11:38 -0400, Denys Dmytriyenko wrote:
>>>>> On Tue, Aug 07, 2012 at 05:32:36PM +0200, Koen Kooi wrote:
>>>>>>
>>>>>> Op 7 aug. 2012, om 17:30 heeft Denys Dmytriyenko <denys at ti.com> het volgende geschreven:
>>>>>>
>>>>>>> On Tue, Aug 07, 2012 at 10:02:24AM +0100, Jack Mitchell wrote:
>>>>>>>> I am trying to turn of CONFIG_SPI_DEBUG in the beaglebone BSP from
>>>>>>>> meta-ti. I am using the poky distro configuration and I have changed
>>>>>>>> the defconfig in
>>>>>>>> meta-ti/recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/defconfig
>>>>>>>> but it still builds with CONFIG_SPI_DEBUG enabled.
>>>>>>>
>>>>>>> That should be the correct location, please make sure you re-do the unpack
>>>>>>> task - if you previously built the kernel with the old defconfig, it will be
>>>>>>> stored in the work directory and won't be copied from the repository above,
>>>>>>> until you repeat the do_unpack task, i.e. by clenaing the build.
>>>>>
>>>>> BTW, no need to clean the entire build, just the kernel build:
>>>>>
>>>>> $ bitbake virtual/kernel -c clean
>>>>>
>>>>>> Or just increment PR as you're supposed to, it's an output change after all.
>>>>>> No need to check anything if you do it properly :)
>>>>>
>>>>> Well, but then you are staring to change the recipe, which might be overkill
>>>>> for a simple defconfig change you want to test. If you go that route, you may
>>>>> want to create your own custom layer with the modified defconfig overlayed on
>>>>> top of meta-ti and a simple .bbappend with PRINC. That way your changes will
>>>>> be detached from meta-ti and you won't need to merge the recipe changes every
>>>>> time meta-ti updates... Although, there's no way to bbappend the defconfig
>>>>> itself - that's where config fragments come to play.
>>>>
>>>> With the recent changes to OE-Core, you can edit the defconfig, the
>>>> system will notice the checksum change and automatically rerun the
>>>> unpack and subsequent steps automagically.
>>>
>>> Richard,
>>>
>>> That is quite useful, thanks for the info!
>>>
>>>
>>>> If the PR server is enabled, it will bump PR for you too.
>>>
>>> That is something I haven't looked at yet, honestly - too much Classic-OE
>>> baggage to carry... :)
>>>
>>
>> Well, this thread took off when I turned my back!
>>
>> Thanks for all the advice and different solutions - I found what my issue was and it is that the BeagleBone was booting using the kernel on the rootfs rather than the kernel in the fat partition as I believed. So I was only replacing the FAT partition uImage and not re-building and copying the whole rootfs.
>>
>> Next step is indeed to have an overlay so I can customize the kernel config a bit more, along with a patch or two I have in there.
>
> Please post the patches, they might be generally usefull. I don't know why spi debug is on, I'm not opposed to turning it off :)

Someone beat me to it, I'm not running the latest master so it seems I'm 
a bit out of sync with the world.

-- 

   Jack Mitchell (jack at embed.me.uk)
   Embedded Systems Engineer
   http://www.embed.me.uk

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