Re: [PATCH] firmware: arm_scmi: Make scmi core independent of transport type

From: Viresh Kumar
Date: Tue Dec 10 2019 - 05:18:57 EST

On 03-12-19, 12:00, Sudeep Holla wrote:
> I am more interested in this part. As I am aware the only 2 other
> transport being discussed is SMC/HVC and new/yet conceptual SPCI(built
> on top of SMC/HVC). There are already discussions on the list to make
> former as mailbox[1]. While I see both pros and cons with that approach,
> there's a need to converge. One main advantage I see with SMC/HVC mailbox
> is that it can be used with any other client and not just SCMI. Equally,
> the queuing in the mailbox may not be needed with fast SMC/HVC but may
> be needed for new SPCI(not yet fully analysed).

We were also looking for OPTEE based mailbox which is similar to SPCI.