Re: [PATCH 0/7] add support for CDX bus

From: Krzysztof Kozlowski
Date: Tue Jan 17 2023 - 13:06:07 EST


On 17/01/2023 14:41, Nipun Gupta wrote:
> Introduces AMD CDX bus, which provides a mechanism to
> discover/rescan CDX devices. The CDX devices are
> memory mapped on system bus for embedded CPUs.
>
> CDX controller interacts with the firmware to query different
> CDX devices present in the Fabric and expose them to the Linux
> host on CDX bus.
>
> This patch series:
> - Introduces the CDX bus and CDX devices.
> - Device tree binding for CDX controller
> - Support for CDX bus in arm-smmu-v3 driver
> - Add MCDI (Management CPU Driver Interface) as a protocol
> for communication with RPU Firmware
> - Support RPMSg channel for Firmware communication
>
> MSI patches for CDX are not added in this series as it's
> support is being revisited as per patch series:
> https://lore.kernel.org/all/20221111133158.196269823@xxxxxxxxxxxxx/
> It will be added as separate patches.
>
> RFC changes with stubs were submitted at:
> https://lore.kernel.org/linux-arm-kernel/20221014044049.2557085-1-nipun.gupta@xxxxxxx/

This is v5 then. Please mark it appropriately, otherwise it looks like
it is first submission.

Best regards,
Krzysztof