Re: [PATCH RESEND v2 02/12] firmware: smccc: coco: Manage arm-smccc platform device and CCA auxiliary drivers

Aneesh Kumar K.V
2026-01-06T12:33:38Z

Hi Mark,

"Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org> writes:

> Make the SMCCC driver responsible for registering the arm-smccc platform
> device and after confirming the relevant SMCCC function IDs, create
> the arm_cca_guest auxiliary device.
>
> Also update the arm-cca-guest driver to use the auxiliary device
> interface instead of the platform device (arm-cca-dev). The removal of
> the platform device registration will follow in a subsequent patch,
> allowing this change to be applied without immediately breaking existing
> userspace dependencies [1].
>
> [1] https://lore.kernel.org/all/4a7d84b2-2ec4-4773-a2d5-7b63d5c683cf@arm.com
> Cc: Jeremy Linton <jeremy.linton@arm.com>
> Cc: Greg KH <gregkh@linuxfoundation.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: Lorenzo Pieralisi <lpieralisi@kernel.org>
> Cc: Sudeep Holla <sudeep.holla@arm.com>
> Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
>

Just a gentle ping on this patch — any feedback would be much appreciated.

-aneesh