On Fri, Apr 15, 2022 at 01:27:57PM +0100, abdellatif.elkhl...@arm.com wrote:
> From: Abdellatif El Khlifi <abdellatif.elkhl...@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 <tr...@konsulko.com> > Cc: Rob Herring <r...@kernel.org> > Cc: Ilias Apalodimas <ilias.apalodi...@linaro.org> > Cc: Achin Gupta <achin.gu...@arm.com> > Cc: Simon Glass <s...@chromium.org> > Cc: Vishnu Banavath <vishnu.banav...@arm.com> I don't see a changelog compared with v1. Are any of the comments there addressed? Thanks. -- Tom
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