Re: [PATCH v2 1/3] devicetree: bindings: Document qcom,msm-id and qcom,board-id
From: Kumar Gala
Date: Wed Mar 11 2015 - 16:35:36 EST
On Mar 11, 2015, at 3:20 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> On Wednesday 11 March 2015 08:33:04 Bjorn Andersson wrote:
>>
>> But are these values actually used by the boot loader?
>>
>> As far as I could see in 8974 the dtbTool provided by Qualcomm
>> extracts the values from the list of dtbs and use them to create the
>> table-of-content in the QCDT blob. The boot loader then looks in this
>> TOC to pick the right dtb to use.
>>
>
> I guess if I understand this right, we just need to fix that dtbTool
> then to look at the top-level compatible property and/or machine
> name instead?
>
> Arnd
Correct, and it means updating the tool for every board/dts that gets created in the future.
Thus, the feeling was that having the ids kept with the dtb made maintenance far easier.
- k
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