Re: Duplicated device tree and Dynamic symbols

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Hello Pantelis

Thanks for your patches, I will try to test it during the next week.
Just one question.

Where can I find the dtc with support for __fixup__ and __local_fixups__ ?

Seems that is its not part of /scripts/dtc or
https://git.kernel.org/cgit/utils/dtc/dtc.git/log/

Thanks!

On Fri, Jun 12, 2015 at 10:06 PM, Pantelis Antoniou
<pantelis.antoniou@xxxxxxxxxxxx> wrote:
> Hi Ricardo,
>
>> On Jun 8, 2015, at 23:14 , Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx> wrote:
>>
>> Hello Pantelis
>>
>> Any progress here?
>>
>
> I just posted a bunch of patches that make possible using PCI with device tree.
> Perhaps you’d like to take a look.
>
>> Thanks
>>
>
> Regards
>
> — Pantelis
>
>> On Tue, Apr 28, 2015 at 10:36 AM, Pantelis Antoniou
>> <pantelis.antoniou@xxxxxxxxxxxx> wrote:
>>> Hi Ricardo,
>>>
>>>> On Apr 28, 2015, at 11:16 , Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx> wrote:
>>>>
>>>> Hello
>>>>
>>>> I have an X86 platform with device tree support. It has multiple pci
>>>> slots with a custom board that is described with a device tree.
>>>>
>>>> When the pci device is probed, the driver fetches a device tree from
>>>> the firmware infrastructure, patches the range property based on the
>>>> bar address and adds the device to the main device tree.
>>>>
>>>> This works perfectly fine with only one card, but when the second card
>>>> is connected: Here be dragons :)
>>>>
>>>> The main issue is that of_find_node_by_phandle always resolves to the
>>>> first connected card. I fixed this by creating a new function.
>>>> of_find_node_by_phandle_family() that chooses the closest phandle on
>>>> the tree, not just the first one.
>>>>
>>>> By reading the "Dynamic Symbols support and fixup support"
>>>> here:
>>>> http://events.linuxfoundation.org/sites/events/files/slides/dynamic-dt-elce14.pdf
>>>> and here
>>>> https://lwn.net/Articles/616859/
>>>>
>>>> It seemed that the patch would fix my issue and it would be already
>>>> merged, but I cannot find the patch here
>>>> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git
>>>> or here
>>>> https://git.kernel.org/cgit/linux/kernel/git/jdl/dtc.git
>>>>
>>>> So I am wondering some stuff:
>>>>
>>>> Would a patch adding my of_find_node_by_phandle_family() would be accepted.?
>>>>
>>>> Will Dynamic symbols fix my issue?
>>>>
>>>> What is the status of Dynamic symbol support?
>>>>
>>>> Thanks!
>>>>
>>>>
>>>
>>> You’ll find it hard to believe but there’s someone using something similar.
>>>
>>> I’m trying to figure out how to make it work; hang on to your horses. I’ll CC you
>>> when I post the patches.
>>>
>>>
>>>> --
>>>> Ricardo Ribalda
>>>
>>> Regards
>>>
>>> — Pantelis
>>>
>>
>>
>>
>> --
>> Ricardo Ribalda
>



-- 
Ricardo Ribalda
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