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

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On 20/06/2024 00:02, Gaurav Kashyap (QUIC) wrote:
> Hello Krzysztof
> 
> On 06/18/2024 11:17 PM PDT, Krzysztof Kozlowski wrote:
>> 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".
>>
> 
> ICE version and chipsets are disjoint, meaning for the same ICE HW present in SM8650 vs SMxxxx target,
> SM8650 will have necessary TZ support, but SM8xxxx may not, that is the reason I was trying to indicate all SM8550 and
> SM8650 have the necessary TZ support. There might have been a miscommunication there.

No. Read your DTS again.



Best regards,
Krzysztof





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