Re: [PATCH v7 0/8] Add new driver for WCSS secure PIL loading

[Varadarajan Narayanan]

Dmitry/George,

> Imported from f20250417061245.497803-1-gokul.sriram.p@xxxxxxxxxxxxxxxx
> I've resumed Gokul's work as the last submission dates back April 2025.

Thanks for following up on this.

> This series depends on Sricharan's tmel-qmp mailbox driver series v4 [1].

Since Sricharan's tmel-qmp driver is stuck, this patch series will not
get merged. Shall I drop the ipq5424 related patches and portions of
code in the driver and post a new version so that other SoCs are
unblocked. Please let me know.

Thanks
Varada

> - Secure PIL is signed, split firmware images which only TrustZone (TZ)
>   can authenticate and load. Linux kernel will send a request to TZ to
>   authenticate and load the PIL images.
>
> - When secure PIL support was added to the existing wcss PIL driver
>   earlier in [2], Bjorn suggested not to overload the existing WCSS
>   rproc driver, instead post a new driver for PAS based IPQ WCSS driver.
>   This series adds a new secure PIL driver for the same.
>
> - Also adds changes to scm to pass metadata size as required for IPQ5332,
>   reposted from [3].
>
> [1]
> https://patchwork.kernel.org/project/linux-arm-msm/cover/20250327181750.3733881-1-quic_srichara@xxxxxxxxxxx/
>
> [2]
> https://patchwork.kernel.org/project/linux-arm-msm/patch/1611984013-10201-3-git-send-email-gokulsri@xxxxxxxxxxxxxx/
>
> [3]
> https://patchwork.kernel.org/project/linux-arm-msm/patch/20240820055618.267554-6-quic_gokulsri@xxxxxxxxxxx/

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