On 12/09/2012 09:06 PM, Thierry Bultel wrote:
> Le 07/12/2012 19:34, Gilles Chanteperdrix a écrit :
>> On 12/07/2012 02:28 PM, Thierry Bultel wrote:
>>
>>> Hi,
>
> Hello Gilles,
>
>>>
>>> I have "successfully" patched a 3.0.35 kernel from Freescale with
>>> adeos-ipipe-3.0.36-1.18.11
>>>
>>> I have -not- applied the adeos-ipipe-3.0.36-arm-1.18-11-pre.patch
>>> that showed too much "revert patch detected" errors.
>>
>>
>>
>> The patch should apply cleanly, the question, if you get too many
>> rejections, it is because you do not apply it to the proper branch.
>>
>
> Of course it was not.
> I started with a kernel provided by the module manufacturer. I estimate
> that this kernel is "almost" a rel_imx_3.0.35_12.09.02, I mean, that
> I have not found a closer tag than this one.
>
> My first idea was to attempt to apply the patches to that kernel
> directly. I was not expecting it would have been simple, and it was
> actually not. But after a few hours I came to the initial result I said.
>
>
>
>>>
>>> BTW, I have understand that its purpose was mainly to upgrade to 3.0.36,
>>> but what is actually the role of the
>>> adeos-ipipe-3.0.36-arm-1.18-11-post.patch ? (I applied it).
>>
>>
>> I have explained this in a previous mail.
>
> Ok, I will seek in the history. I would be nice if the explanation
> was in the README.
>
>>
>>>
>>> I had to deal with some rejections but at least the kernel is booting
>>> and my application running.
>>>
>>> But the target is very slow, and /proc/xenomai/irq shows that the
>>> [timer] irq only comes about every 1 second.
>>>
>>> The /proc/interrupts shows an IRQ every 10ms, which was expected
>>> since I have CONFIG_HZ=100
>>>
>>> I am pretty sure that I messed up something in the patch process,
>>> however I do not know where to start to look for.
>>
>>
>> Apply the patches to the proper imx release, and everything should be fine.
>
>
> That is what I did, at last.
> To do so, I have extracted the BSP from the given 'almost'
> rel_imx_3.0.35_12.09.02 kernel,
> taken the rel_imx_3.0.15_12.03.00, applied the patches,
> and brought back the BSP to the patched kernel.
I would do what you want to do with git. Checkout the ipipe-3.0-imx6q
branch from the ipipe-gch.git, then merge it with the vendor branch you
want to use.
--
Gilles.
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