Re: [PATCH v5 1/5] tpm_crb: implement driver compliant to CRB over FF-A

From: Jarkko Sakkinen
Date: Thu Feb 20 2025 - 04:29:13 EST


On Wed, Feb 19, 2025 at 02:10:10PM -0600, Stuart Yoder wrote:
> The Arm specification TPM Service CRB over FF-A specification
> defines the FF-A messages to interact with a CRB-based TPM
> implemented as an FF-A secure partition.
>
> Spec URL:
> https://developer.arm.com/documentation/den0138/latest/
>
> This driver is probed when a TPM Secure Partition is
> discovered by the FF-A subsystem. It exposes APIs
> used by the TPM CRB driver to send notifications to
> the TPM.
>
> Acked-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> Signed-off-by: Stuart Yoder <stuart.yoder@xxxxxxx>

Cutting hairs now but as I cannot test this and this is 1/5:
can this patch be run without 2/5-4/5?

The policy is that every patch should leave kernel tree to
a state where it compiles and runs.

BR, Jarkko