[U-Boot] [U-Boot, v3, 3/3] kbuild: fix build rule of u-boot-spl.dtb

[Michal Simek <michal.simek@xilinx.com>]

On 23.2.2016 08:47, Masahiro Yamada wrote:
> Hi Michal,
> 
> 
> 2016-02-23 16:06 GMT+09:00 Michal Simek <monstr@monstr.eu>:
>> On 23.2.2016 03:57, Masahiro Yamada wrote:
>>> Hi Michal, Tom, Simon
>>>
>>>
>>>
>>>
>>> 2016-02-23 1:16 GMT+09:00 Tom Rini <trini@konsulko.com>:
>>>> On Mon, Feb 22, 2016 at 04:51:47PM +0100, Michal Simek wrote:
>>>>> Hi,
>>>>>
>>>>> On 8.2.2016 21:49, Tom Rini wrote:
>>>>>> On Fri, Feb 05, 2016 at 05:55:14PM +0900, Masahiro Yamada wrote:
>>>>>>
>>>>>>> The build command of u-boot-spl.dtb is not constant, but dependent
>>>>>>> on CONFIG_OF_SPL_REMOVE_PROPS.  Use $(call if_changed,...) so that
>>>>>>> the change of CONFIG_OF_SPL_REMOVE_PROPS is detected.
>>>>>>>
>>>>>>> Also, add tools/fdtgrep to the dependency to make sure u-boot-spl.dtb
>>>>>>> is generated by the up-to-date fdtgrep in case the tool is modified.
>>>>>>>
>>>>>>> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
>>>>>>> Reviewed-by: Simon Glass <sjg@chromium.org>
>>>>>>
>>>>>> Applied to u-boot/master, thanks!
>>>>>
>>>>> This patch is breaking build for Microblaze SPL.
>>>>> make microblaze-generic_defconfig && make -j
>>>>
>>>> Can you poke around a bit more at what rule is likely needing an update
>>>> here?  FWIW, when this was merged microblaze was broken due to the
>>>> eth-uclass.c problem so that's how I missed it, sorry!
>>>
>>>
>>> This breakage is not due to this commit.
>>>
>>> Even if I revert commit 35b786780f3 ("kbuild: fix build rule of
>>> u-boot-spl.dtb"), this board is still broken.
>>
>> That's interesting. I found this commit by bisect.
>>
>>>
>>> I suspect the problem is in the fdtgrep tool itself.
>>
>> Anyway I was playing with it and this is supposed to be a fix.
>> fdtgrep tool is expecting more nodes to be present in DTS file.
>> Because mb dts is generic because every hw design is different dts
>> is quite empty.
>>
>> Masahiro: Can you please try this and build it?
>>
>> Thanks,
>> Michal
>>
>> diff --git a/arch/microblaze/dts/microblaze-generic.dts
>> b/arch/microblaze/dts/microblaze-generic.dts
>> index 203330987bda..08a1396f2db2 100644
>> --- a/arch/microblaze/dts/microblaze-generic.dts
>> +++ b/arch/microblaze/dts/microblaze-generic.dts
>> @@ -4,4 +4,6 @@
>>         #size-cells = <1>;
>>         aliases {
>>         } ;
>> +       chosen {
>> +       } ;
>>  } ;
>>
> 
> Yeah, this fixed the error.  Thanks!

Ok. I will send this as a patch or temporary solution or even maybe final.

Thanks,
Michal