[PATCH v3 05/12] firmware: tegra: Add BPMP support

[Stephen Warren]

On 08/22/2016 06:54 AM, Thierry Reding wrote:
> On Mon, Aug 22, 2016 at 10:26:50AM +0100, Jon Hunter wrote:
>>
>> On 19/08/16 18:32, Thierry Reding wrote:
>>> From: Thierry Reding <treding at nvidia.com>
>>>
>>> The Boot and Power Management Processor (BPMP) is a co-processor found
>>> on Tegra SoCs. It is designed to handle the early stages of the boot
>>> process and offload power management tasks (such as clocks, resets,
>>> powergates, ...) as well as system control services.
>>>
>>> Compared to the ARM SCPI, the services provided by BPMP are message-
>>> based rather than method-based. The BPMP firmware driver provides the
>>> services to transmit data to and receive data from the BPMP. Users can
>>> also register an MRQ, for which a service routine will be run when a
>>> corresponding event is received from the firmware.
>>
>> MRQ?
>
> I think that means "Message ReQuest", which is sort of like an IRQ but
> the user will receive a message (with potentially payload) instead. Do
> you want me to spell that out in the commit message, or what would you
> suggest?

I believe MRQ refers to the ID/type/semantics of the message structure 
itself, not so much the notification aspect of having received a message.