Re: [PATCH 4/4] dt-bindings: firmware: Add Qualcomm UEFI Secure Application client

Maximilian Luz
2022-07-28T10:49:28Z

On 7/28/22 12:38, Krzysztof Kozlowski wrote:
> On 28/07/2022 12:25, Maximilian Luz wrote:
>> On 7/28/22 09:48, Krzysztof Kozlowski wrote:
>>
>> [...]
>>
>>>
>>> For example like tegra_bpmp_get() is doing.
>>
>> But tegra_bpmp_get() can also not differentiate whether the supplier driver is
>> ever going to be successfully probed or not. I'm not sure you can ever really
>> solve that. The only thing it does in addition is check whether the phandle and
>> device is there. Or do you mean those not being present by "broken"? That's a
>> point I agree should be improved with SCM.
>
> Yes, at least it checks if phandles points to proper device and device
> is there. That's what we want.
>
> We are not solving here case of providing being in a module which never
> gets loaded (thus endless EPROBE_DEFER). Such case is ok.

Got it, thanks for that clarification!

Regards,
Max