Re: [PATCH v5 04/15] soc: qcom: ice: add hwkm support in ice

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On 19/06/2024 00:08, Gaurav Kashyap (QUIC) wrote:
>>
>> You may perhaps only call qcom_scm_derive_sw_secret_available() for
>> some ICE versions.
>>
>> Neil
> 
> The issue here is that for the same ICE version, based on the chipset,
> there might be different configurations.

That's not what your DTS said. To remind: your DTS said that all SM8550
and all SM8650 have it. Choice is obvious then: it's deducible from
compatible.

I still do not understand why your call cannot return you correct
"configuration".

> 
> Is it acceptable to use the addressable size from DTSI instead?
> Meaning, if it 0x8000, it would take the legacy route, and only when it has been
> updated to 0x10000, we would use HWKM and wrapped keys.

No.

Best regards,
Krzysztof





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