Re: [RFC PATCH 4/4] firmware: arm_ffa: check pkvm initailised when initailise ffa driver

Sudeep Holla
2026-04-21T08:51:15Z

On Tue, Apr 21, 2026 at 07:57:43AM +0100, Yeoreum Yun wrote:

[...]

>
> Also, the FF-A initialization is not driven by a device probe, but rather
> happens as part of the bus registration itself,
> so it does not fit well with a device_link or probe deferral based approach.
>
> Instead, perhaps we could go with the idea I mentioned previously:
> either introduce a notifier, or create a pseudo ffa_device
> once pKVM initialization has completed, and
> then let the ffa driver perform the additional initialization from there.
>
> Am I missing something?
>

In order to handle/cleanup some ugliness in interrupt management in the
FF-A driver, we may introduce DT node eventually. But it will take sometime.

--
Regards,
Sudeep