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SubjectRe: [PATCH v2 0/7] *** firmware: imx: NXP Edgelock Enclave MUAP Driver ***
On Wed, Apr 19, 2023 at 3:45 PM Pankaj Gupta <pankaj.gupta@nxp.com> wrote:
>
> v2 Changes:
>
> - Fixed Kernel Test Bot issues.
> - Removed ".../devicetree/bindings/mailbox/fsl,muap.txt"
>
> v1:
>
> The Messaging Unit module enables two processing elements within the SoC to
> communicate and coordinate by passing messages (e.g., data, status and control)
> through its interfaces.
>
> The NXP i.MX EdgeLock Enclave Message Unit (ELE-MUAP) is specifically targeted
> for use between application core and Edgelocke Enclave. It allows to send
> messages to the EL Enclave using a shared mailbox.
>
> Patch-set add the ELE-MU kernel driver for exchanging messages with i.MX NXP
> ELE IP; both from:
> - User-Space Applications via character driver.
> - Kernel-space, used by kernel management layers like DM-Crypt.


What's wrong with existing NXP MU driver?

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