On Mon, Feb 10, 2025 at 05:22:23PM -0600, Stuart Yoder wrote: > These patches add support for the CRB FF-A start method defined > in the TCG ACPI specification v1.4 and the FF-A ABI defined > in the Arm TPM Service CRB over FF-A (DEN0138) specification. > (https://developer.arm.com/documentation/den0138/latest/) > > FF-A is a messaging framework for Arm-based systems and in the > context of the TPM driver is used to signal 'start' to a CRB-based > TPM service which is hosted in an FF-A secure partition running in > TrustZone. > > The first patch adds an FF-A driver to handle the FF-A messaging when > communicating with a CRB-based TPM secure partition built on FF-A. > The driver is probed when the TPM secure partition is discovered by > the Linux FF-A infrastructure. > All the FF-A related changes look good to me. Acked-by: Sudeep Holla <sudeep.holla@xxxxxxx> -- Regards, Sudeep
