Subject: Re: linux-next: build warnings after merge of the ti tree

From: Roger Quadros <[email-masked]>
Date: Thu, 5 Oct 2023 16:12:04 +0300

Hi,

On 05/10/2023 11:25, Raghavendra, Vignesh wrote:
> + Rob and DT list
> 
> Hi Stephen
> 
> On 10/5/2023 8:45 AM, Stephen Rothwell wrote:
>> Hi all,
>>
>> [I may have missed this yesterday, sorry]
>>
>> After merging the ti tree, today's linux-next build (arm64 defconfig)
>> produced these warnings:
>>
>> arch/arm64/boot/dts/ti/k3-am642-evm-nand.dtso:65.8-140.3: Warning (avoid_default_addr_size): /fragment@3/__overlay__: Relying on default #address-cells value
>> arch/arm64/boot/dts/ti/k3-am642-evm-nand.dtso:65.8-140.3: Warning (avoid_default_addr_size): /fragment@3/__overlay__: Relying on default #size-cells value
>>
>> Introduced by commit
>>
>>   45a0c06571e1 ("arm64: dts: ti: am642-evm: Add overlay for NAND expansion card")
>>
> 
> Thanks for the report. I will drop the offending comment.
> 
> Roger,
> 
> Sorry, this would need to be fixed in dtc or need exception from DT
> maintainers to ignore the warnings.

Please don't drop this patch as the issue is not with the patch but with
the dtc tool itself.

As this is a DT overlay there is no way to specify address-cells/size-cells
of parent here. This will be resolved only after merge with base tree.

This will be fixed in next dtc sync.
https://www.spinics.net/lists/devicetree-compiler/msg04036.html

See further discussion here
https://lore.kernel.org/all/[email-masked]/

-- 
cheers,
-roger