Re: [PATCH v2 7/9] wifi: ath12k: migrate firmware loading to qcom_mdt_pas_load() and qcom_pas_prepare_and_auth_reset()

[Jeff Johnson <jjohnson@kernel.org>]

On 11/13/2026 10:50 AM, Mukesh Ojha wrote:
> ath12k_ahb_power_up() calls qcom_mdt_load(), which bundles metadata
> initialization, memory setup, and segment loading into a single API that
> does not expose a PAS context. Later it calls qcom_pas_auth_and_reset() for
> TrustZone authentication, which is the intended behaviour. However, a new
> qcom_mdt_pas_load() has recently been introduced that works with a PAS
> context and can handle everything qcom_mdt_load() provides, along with
> additional functionality such as shmbridge creation and retrieving memory
> from the shmbridge buffer when the same remote processor needs to run while
> Linux runs at EL2.
> 
> Replace qcom_mdt_load() with qcom_pas_context_init() +
> qcom_mdt_pas_load() and replace qcom_pas_auth_and_reset() with
> qcom_pas_prepare_and_auth_reset(), using a stack-allocated struct
> qcom_pas_context in ath12k_ahb_power_up(). The non-scm_auth path
> retains qcom_mdt_load_no_init() with the caller-provided mem_region.
> 
> Apply the same pattern to ath12k_ahb_load_auth_shared_fw() for
> consistency.
> 
> Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>

Acked-by: Jeff Johnson <jjohnson@kernel.org>