[PATCH v2 0/6] introduce Arm FF-A support

[Tom Rini]

On Fri, Apr 15, 2022 at 01:27:57PM +0100, abdellatif.elkhlifi at arm.com wrote:

> From: Abdellatif El Khlifi <abdellatif.elkhlifi at arm.com>
> 
> This patchset adds support for Arm FF-A (Arm Firmware Framework for Armv8-A v1.0).
> 
> FF-A support is generic by design and can be used by any Arm platform.
> 
> The features added are as follows:
>     
> 1/ FF-A bus driver
> 2/ armffa command
> 3/ FF-A Sandbox driver
> 4/ FF-A Sandbox test cases
> 5/ FF-A MM communication
> 
> The suggested design considers FF-A as a discoverable bus.
> The Secure World is considered as one entity to communicate with using the FF-A bus.
> FF-A communication is handled by one device and one instance (the bus).
> This FF-A driver takes care of all the interactions between Normal world
> and Secure World.
> 
> The Secure World firmware runs  under TrustZone HW (such as Optee). The same approach was followed in the
> FF-A driver in Linux kernel (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/firmware/arm_ffa/bus.c?h=v5.15#n211))
> 
> Cc: Tom Rini <trini at konsulko.com>
> Cc: Rob Herring <robh at kernel.org>
> Cc: Ilias Apalodimas <ilias.apalodimas at linaro.org>
> Cc: Achin Gupta <achin.gupta at arm.com>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Vishnu Banavath <vishnu.banavath at arm.com>

I don't see a changelog compared with v1.  Are any of the comments there
addressed?  Thanks.

-- 
Tom
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