Re: [PATCH] arm64: dts: qcom: sa8775p: add symbols to dtb

From: Krzysztof Kozlowski
Date: Thu Mar 16 2023 - 02:55:28 EST


On 14/03/2023 05:48, Prasad Sodagudi wrote:
>
>
> On 3/9/2023 3:47 PM, Konrad Dybcio wrote:
>>
>>
>> On 10.03.2023 00:39, Eric Chanudet wrote:
>>> ABL uses the __symbols__ section to process the DTB before passing it
>>> forward. Without it, the bootstrap is interrupted.
>>>
>>> Signed-off-by: Eric Chanudet <echanude@xxxxxxxxxx>
>>> ---
>> Fix your ABL.
> Hi Konrad,
>
> Apps boot-loader need __symbols__ for dynamic overlay operation.
> Qualcomm firmware passes an overlay file to apps boot-loader to overlay
> some of the nodes based on firmware configuration. Without __symbols__
> apps boot-loader is not able to overlay.
>
> Qualcomm hypervisor/gunyah would like to overlay arch timer node with
> always-on property, So adding __symbols__ helps boot-loader to overlay.

Since none of these overlays are upstream, we can argue that it is not a
valid reason. If you decide to keep overlays downstream then also you
can keep patch enabling the overlays there...

Best regards,
Krzysztof