Re: [PATCH v2 1/3] devicetree: bindings: Document qcom,msm-id and qcom,board-id

[Kumar Gala]

On Mar 5, 2015, at 7:59 PM, Olof Johansson <olof@xxxxxxxxx> wrote:

> On Thu, Mar 5, 2015 at 12:23 PM, Kumar Gala <galak@xxxxxxxxxxxxxx> wrote:
>> 
>> On Mar 5, 2015, at 1:42 PM, Kevin Hilman <khilman@xxxxxxxxxx> wrote:
>> 
>>> Kumar Gala <galak@xxxxxxxxxxxxxx> writes:
>>> 
>>>> The top level qcom,msm-id and qcom,board-id are utilized by bootloaders
>>>> on Qualcomm MSM platforms to determine which device tree should be
>>>> utilized and passed to the kernel.
>>>> 
>>>> Cc: <devicetree@xxxxxxxxxxxxxxx>
>>>> Signed-off-by: Kumar Gala <galak@xxxxxxxxxxxxxx>
>>> 
>>> Is this the special magic that allows qcom bootloaders to take a kernel
>>> plus multiple DTBs and figure out which DTB to pass?
>>> 
>>> Kevin
>> 
>> yes
> 
> That's a bummer.
> 
> Luckily, the solution for upstream is still quite simple: Provide only
> one devicetree, and it'll be used, right?

We can provide only one, we still need the IDs in the DT.

- k
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Qualcomm Innovation Center, Inc.
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